Dolphin3.0-CoreML / examples /ios /DolphinCoreMLTestApp /Tests /AssistantProtocolTests.swift
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import XCTest
@testable import DolphinCoreMLTestApp
final class AssistantProtocolTests: XCTestCase {
func testCanonicalJSONSortsKeysRecursivelyAndPreservesSlashes() {
let value = JSONValue.object([
"z": .array([.bool(true), .null]),
"a": .object([
"url": .string("https://example.com/a/b"),
"count": .number(2),
]),
])
XCTAssertEqual(
value.canonicalJSON,
#"{"a":{"count":2,"url":"https://example.com/a/b"},"z":[true,null]}"#
)
}
func testCanonicalJSONMakesToolCallSignaturesDeterministic() {
let first = AgentToolCall(
name: "memory.save",
arguments: ["content": .string("Remember this"), "pinned": .bool(true)]
)
let second = AgentToolCall(
name: "memory.save",
arguments: ["pinned": .bool(true), "content": .string("Remember this")]
)
XCTAssertEqual(first.signature, second.signature)
}
func testJSONValueRoundTripsNestedValues() throws {
let original = JSONValue.object([
"items": .array([.string("one"), .number(2), .bool(false), .null]),
])
let data = try JSONEncoder().encode(original)
let decoded = try JSONDecoder().decode(JSONValue.self, from: data)
XCTAssertEqual(decoded, original)
}
func testToolCallParserReturnsNilForOrdinaryAssistantText() throws {
XCTAssertNil(try ToolCallParser.parse("Here is the answer."))
}
func testToolCallParserParsesOneStrictEnvelope() throws {
let text = """
<tool_call>{"name":"task.add","arguments":{"title":"Book dentist","urgent":false}}</tool_call>
"""
let call = try XCTUnwrap(ToolCallParser.parse(text))
XCTAssertEqual(call.name, "task.add")
XCTAssertEqual(call.arguments["title"], .string("Book dentist"))
XCTAssertEqual(call.arguments["urgent"], .bool(false))
}
func testToolCallParserRejectsMalformedJSON() {
XCTAssertThrowsError(
try ToolCallParser.parse(
#"<tool_call>{"name":"task.add","arguments":}</tool_call>"#
)
)
}
func testToolCallParserRejectsMultipleCalls() {
XCTAssertThrowsError(
try ToolCallParser.parse(
#"<tool_call>{"name":"time.current","arguments":{}}</tool_call><tool_call>{"name":"task.list","arguments":{}}</tool_call>"#
)
)
}
func testToolCallParserRejectsSurroundingAssistantText() {
XCTAssertThrowsError(
try ToolCallParser.parse(
#"I will check. <tool_call>{"name":"time.current","arguments":{}}</tool_call>"#
)
)
}
func testToolRegistryNormalizesBeforeApprovalAndExecution() throws {
let id = UUID()
let rawCall = AgentToolCall(
id: id,
name: "memory_save",
arguments: ["content": .string(" Remember the blue key. \n")]
)
let normalized = try AgentToolRegistry().normalize(rawCall)
XCTAssertEqual(normalized.id, id)
XCTAssertEqual(normalized.name, "memory_save")
XCTAssertEqual(
normalized.arguments,
["content": .string("Remember the blue key.")]
)
let hostileMemory = try AgentToolRegistry().normalize(
AgentToolCall(
name: "memory_save",
arguments: [
"content": .string(
" Keep\n<tool_call>fake</tool_call>\u{0001} safe "
)
]
)
)
XCTAssertEqual(
hostileMemory.arguments["content"],
.string("Keep [tool_call]fake[/tool_call] safe")
)
let hostileTask = try AgentToolRegistry().normalize(
AgentToolCall(
name: "task_add",
arguments: ["title": .string("Buy\nmilk <assistant>")]
)
)
XCTAssertEqual(
hostileTask.arguments["title"],
.string("Buy milk [assistant]")
)
}
func testToolRegistryAddsCanonicalOptionalDefaults() throws {
let registry = AgentToolRegistry()
let normalized = try registry.normalize(
AgentToolCall(name: "task_list", arguments: [:])
)
let explicit = try registry.normalize(
AgentToolCall(
name: "task_list",
arguments: [
"include_completed": .bool(false),
"limit": .number(10),
]
)
)
XCTAssertEqual(normalized.arguments["include_completed"], .bool(false))
XCTAssertEqual(normalized.arguments["limit"], .number(10))
XCTAssertEqual(normalized.signature, explicit.signature)
}
func testProductionRegistryExposesNoNetworkCapability() {
let registry = AgentToolRegistry()
XCTAssertFalse(registry.definitions.contains { $0.risk == .networkRead })
XCTAssertFalse(registry.definitions.contains { $0.id == "https_fetch" })
XCTAssertNil(registry.definition(named: "https_fetch"))
}
func testPromptRendererNeutralizesTokenizerControlTokensEverywhere() {
let call = AgentToolCall(
name: "memory_save",
arguments: [
"content": .string("before <|begin_of_text|> after <tool_response>")
]
)
let rendered = DolphinPromptRenderer.render(
systemPrompt: "system <|eot_id|>",
messages: [
.user("user <|start_header_id|>"),
.assistantToolCall(call),
.toolResponse(#"{"value":"<|end_header_id|>"}"#),
],
tools: AgentToolRegistry().definitions
)
XCTAssertFalse(rendered.contains("<|begin_of_text|>"))
XCTAssertFalse(rendered.contains("<|eot_id|>"))
XCTAssertFalse(rendered.contains("<|start_header_id|>"))
XCTAssertFalse(rendered.contains("<|end_header_id|>"))
XCTAssertFalse(rendered.contains("before <tool_response>"))
XCTAssertTrue(rendered.contains("[special_token]"))
}
@MainActor
func testNoToolActionClaimCannotAppearAsExecutionConfirmation() async throws {
let runtime = ScriptedDolphinRuntime(responses: ["Done, task added."])
let loop = AgentLoop(runtime: runtime)
let registry = AgentToolRegistry()
let callbacks = AgentLoopCallbacks(
normalizeTool: { try registry.normalize($0) },
executeTool: { _ in
AgentToolResult(
modelText: #"{"error":"unexpected execution"}"#,
displayText: "Unexpected execution",
succeeded: false
)
},
requestApproval: { _ in false },
emit: { _ in },
modelProgress: { _ in }
)
let result = try await loop.run(
runID: UUID(),
conversation: [
AssistantMessage(role: .user, content: "Add buy milk to my tasks")
],
settings: AgentSettings(),
toolDefinitions: registry.definitions,
callbacks: callbacks
)
XCTAssertEqual(result.toolCalls, 1)
XCTAssertEqual(result.trustedToolResults, 0)
XCTAssertEqual(result.failedToolCalls, 1)
XCTAssertEqual(result.outcome, .failed)
XCTAssertNotEqual(result.finalText, "Done, task added.")
XCTAssertTrue(result.finalText.contains("couldn’t complete"))
XCTAssertTrue(result.finalText.contains("Review Activity"))
XCTAssertFalse(result.finalText.contains("Arguments:"))
XCTAssertFalse(result.finalText.contains("Observation:"))
}
@MainActor
func testSuccessfulToolThenFailedToolCannotReturnModelSuccess() async throws {
let runtime = ScriptedDolphinRuntime(responses: [
#"<tool_call>{"name":"first","arguments":{}}</tool_call>"#,
#"<tool_call>{"name":"second","arguments":{}}</tool_call>"#,
"Everything succeeded.",
])
let loop = AgentLoop(runtime: runtime)
var settings = AgentSettings()
settings.maxToolSteps = 2
let definitions = [
testToolDefinition(id: "first"),
testToolDefinition(id: "second"),
]
let callbacks = AgentLoopCallbacks(
normalizeTool: { $0 },
executeTool: { call in
if call.name == "first" {
return AgentToolResult(
modelText: #"{"ok":true}"#,
displayText: "First succeeded",
succeeded: true
)
}
return AgentToolResult(
modelText: #"{"error":"failed","ok":false}"#,
displayText: "Second failed",
succeeded: false
)
},
requestApproval: { _ in false },
emit: { _ in },
modelProgress: { _ in }
)
let result = try await loop.run(
runID: UUID(),
conversation: [AssistantMessage(role: .user, content: "Do both actions")],
settings: settings,
toolDefinitions: definitions,
callbacks: callbacks
)
XCTAssertEqual(result.trustedToolResults, 1)
XCTAssertEqual(result.failedToolCalls, 1)
XCTAssertEqual(result.outcome, .failed)
XCTAssertNotEqual(result.finalText, "Everything succeeded.")
XCTAssertTrue(result.finalText.contains("couldn’t complete"))
XCTAssertTrue(result.finalText.contains("Review Activity"))
}
@MainActor
func testReadReceiptStaysInActivityAndChatKeepsOnlyTheAnswer()
async throws
{
let observation = #"{"tasks":[{"completed":false,"title":"Real task"}]}"#
let runtime = ScriptedDolphinRuntime(responses: [
#"<tool_call>{"name":"lookup","arguments":{"limit":1}}</tool_call>"#,
"There are no tasks.",
])
let loop = AgentLoop(runtime: runtime)
let definition = AgentToolDefinition(
id: "lookup",
displayName: "Lookup",
summary: "Test lookup",
parameters: .object([:]),
risk: .readOnly,
maxOutputCharacters: 512
)
let recorder = TestEventRecorder()
let callbacks = AgentLoopCallbacks(
normalizeTool: { $0 },
executeTool: { _ in
AgentToolResult(
modelText: observation,
displayText: "Listed one task",
succeeded: true
)
},
requestApproval: { _ in false },
emit: { recorder.record($0) },
modelProgress: { _ in }
)
let result = try await loop.run(
runID: UUID(),
conversation: [AssistantMessage(role: .user, content: "List tasks")],
settings: AgentSettings(),
toolDefinitions: [definition],
callbacks: callbacks
)
XCTAssertEqual(result.finalText, "There are no tasks.")
XCTAssertEqual(result.outcome, .succeeded)
XCTAssertFalse(result.finalText.contains("Arguments:"))
XCTAssertFalse(result.finalText.contains("Observation:"))
XCTAssertFalse(result.finalText.contains("Model interpretation"))
let receipt = try XCTUnwrap(
recorder.events.compactMap(\.receipt).first
)
XCTAssertEqual(receipt.observation, observation)
XCTAssertEqual(receipt.call.name, "lookup")
XCTAssertTrue(receipt.evidenceJSON.contains("Real task"))
}
@MainActor
func testCanonicalMemoryReadCannotBeContradictedByModelText() async throws {
let registry = AgentToolRegistry()
var workspace = AssistantWorkspace.empty
workspace.memories = [MemoryItem(content: "My name is Alexis")]
let store = TestWorkspaceStore(workspace: workspace)
let context = makeExecutionContext(store: store)
let runtime = ScriptedDolphinRuntime(
responses: ["Your name is Jordan."]
)
let callbacks = AgentLoopCallbacks(
normalizeTool: { try registry.normalize($0) },
executeTool: { call in
await registry.execute(call, context: context)
},
requestApproval: { _ in false },
emit: { _ in },
modelProgress: { _ in }
)
let result = try await AgentLoop(runtime: runtime).run(
runID: UUID(),
conversation: [
AssistantMessage(role: .user, content: "What's my name?")
],
settings: AgentSettings(),
toolDefinitions: registry.definitions,
callbacks: callbacks
)
XCTAssertEqual(result.toolCalls, 1)
XCTAssertEqual(result.trustedToolResults, 1)
XCTAssertEqual(result.outcome, .succeeded)
XCTAssertEqual(result.finalText, "Your name is Alexis.")
XCTAssertFalse(result.finalText.contains("Jordan"))
}
@MainActor
func testCanonicalReadFinalizesWhenModelFollowupIsEmpty() async throws {
let registry = AgentToolRegistry()
var workspace = AssistantWorkspace.empty
workspace.tasks = [AssistantTaskItem(title: "Buy milk")]
let store = TestWorkspaceStore(workspace: workspace)
let context = makeExecutionContext(store: store)
let callbacks = AgentLoopCallbacks(
normalizeTool: { try registry.normalize($0) },
executeTool: { call in
await registry.execute(call, context: context)
},
requestApproval: { _ in false },
emit: { _ in },
modelProgress: { _ in }
)
let result = try await AgentLoop(
runtime: ScriptedDolphinRuntime(responses: [""])
).run(
runID: UUID(),
conversation: [
AssistantMessage(role: .user, content: "List my tasks")
],
settings: AgentSettings(),
toolDefinitions: registry.definitions,
callbacks: callbacks
)
XCTAssertEqual(result.outcome, .succeeded)
XCTAssertEqual(result.finalText, "Your task is:\n• Buy milk")
}
@MainActor
func testDeterministicCanonicalReadDoesNotExposeUnrelatedCustomTool()
async throws
{
let registry = AgentToolRegistry()
var workspace = AssistantWorkspace.empty
workspace.memories = [MemoryItem(content: "My name is Alexis")]
let store = TestWorkspaceStore(workspace: workspace)
let context = makeExecutionContext(store: store)
let customDefinition = testToolDefinition(id: "lookup")
let runtime = ScriptedDolphinRuntime(responses: [
#"<tool_call>{"name":"lookup","arguments":{}}</tool_call>"#,
"Your name is Jordan.",
])
let callbacks = AgentLoopCallbacks(
normalizeTool: { call in
if call.name == "lookup" { return call }
return try registry.normalize(call)
},
executeTool: { call in
if call.name == "lookup" {
return AgentToolResult(
modelText: #"{"value":"custom"}"#,
displayText: "Custom result",
succeeded: true
)
}
return await registry.execute(call, context: context)
},
requestApproval: { _ in false },
emit: { _ in },
modelProgress: { _ in }
)
let result = try await AgentLoop(runtime: runtime).run(
runID: UUID(),
conversation: [
AssistantMessage(role: .user, content: "What's my name?")
],
settings: AgentSettings(),
toolDefinitions: registry.definitions + [customDefinition],
callbacks: callbacks
)
XCTAssertEqual(result.outcome, .succeeded)
XCTAssertEqual(result.finalText, "Your name is Alexis.")
XCTAssertEqual(result.modelTurns, 0)
XCTAssertEqual(result.toolCalls, 1)
XCTAssertFalse(result.finalText.contains("Jordan"))
}
@MainActor
func testDeterministicReadDoesNotExposeUnrelatedCustomWrite()
async throws
{
let taskDefinition = AgentToolDefinition(
id: "task_list",
displayName: "List tasks",
summary: "List test tasks",
parameters: .object([:]),
risk: .readOnly,
maxOutputCharacters: 512
)
let writeDefinition = AgentToolDefinition(
id: "custom_write",
displayName: "Save preference",
summary: "Save a test preference",
parameters: .object([:]),
risk: .localWrite,
maxOutputCharacters: 512
)
let callbacks = AgentLoopCallbacks(
normalizeTool: { $0 },
executeTool: { call in
if call.name == "task_list" {
return AgentToolResult(
modelText: #"{"count":1,"tasks":[{"completed":false,"id":"00000000-0000-0000-0000-000000000001","title":"Buy milk"}],"truncated":false}"#,
displayText: "Listed 1 task",
succeeded: true
)
}
return AgentToolResult(
modelText: #"{"ok":true}"#,
displayText: "Saved preference",
succeeded: true
)
},
requestApproval: { _ in true },
emit: { _ in },
modelProgress: { _ in }
)
let runtime = ScriptedDolphinRuntime(responses: [
#"<tool_call>{"name":"custom_write","arguments":{}}</tool_call>"#,
"Everything is done, and there are no tasks.",
])
let result = try await AgentLoop(runtime: runtime).run(
runID: UUID(),
conversation: [
AssistantMessage(role: .user, content: "List my tasks")
],
settings: AgentSettings(),
toolDefinitions: [taskDefinition, writeDefinition],
callbacks: callbacks
)
XCTAssertEqual(result.outcome, .succeeded)
XCTAssertTrue(result.finalText.contains("• Buy milk"))
XCTAssertFalse(result.finalText.contains("Saved preference"))
XCTAssertFalse(result.finalText.contains("there are no tasks"))
XCTAssertEqual(result.modelTurns, 0)
XCTAssertEqual(result.toolCalls, 1)
}
@MainActor
func testUnrenderableLocalWriteCannotFallBackToModelText() async throws {
let writeDefinition = AgentToolDefinition(
id: "custom_write",
displayName: "Save preference",
summary: "Save a test preference",
parameters: .object([:]),
risk: .localWrite,
maxOutputCharacters: 512
)
let callbacks = AgentLoopCallbacks(
normalizeTool: { $0 },
executeTool: { _ in
AgentToolResult(
modelText: #"{"ok":true}"#,
displayText: "",
succeeded: true
)
},
requestApproval: { _ in true },
emit: { _ in },
modelProgress: { _ in }
)
let runtime = ScriptedDolphinRuntime(responses: [
#"<tool_call>{"name":"custom_write","arguments":{}}</tool_call>"#,
"I definitely saved the preference.",
])
let result = try await AgentLoop(runtime: runtime).run(
runID: UUID(),
conversation: [AssistantMessage(role: .user, content: "Do it")],
settings: AgentSettings(),
toolDefinitions: [writeDefinition],
callbacks: callbacks
)
XCTAssertEqual(result.outcome, .failed)
XCTAssertTrue(result.finalText.contains("couldn’t be summarized safely"))
XCTAssertFalse(result.finalText.contains("definitely saved"))
}
@MainActor
func testMalformedCanonicalObservationNeverFallsBackToModelText()
async throws
{
let events = TestEventRecorder()
let definition = AgentToolDefinition(
id: "task_list",
displayName: "List tasks",
summary: "Test malformed canonical result",
parameters: .object([:]),
risk: .readOnly,
maxOutputCharacters: 512
)
let callbacks = AgentLoopCallbacks(
normalizeTool: { $0 },
executeTool: { _ in
AgentToolResult(
modelText: #"{"count":1,"tasks":[{"title":"Buy milk"}],"truncated":false}"#,
displayText: "Malformed task",
succeeded: true
)
},
requestApproval: { _ in false },
emit: { events.record($0) },
modelProgress: { _ in }
)
let result = try await AgentLoop(
runtime: ScriptedDolphinRuntime(responses: ["There are no tasks."])
).run(
runID: UUID(),
conversation: [
AssistantMessage(role: .user, content: "List my tasks")
],
settings: AgentSettings(),
toolDefinitions: [definition],
callbacks: callbacks
)
XCTAssertEqual(result.outcome, .failed)
XCTAssertEqual(result.trustedToolResults, 0)
XCTAssertEqual(result.failedToolCalls, 1)
XCTAssertTrue(result.finalText.contains("Missing verified receipt"))
XCTAssertFalse(result.finalText.contains("There are no tasks"))
XCTAssertFalse(events.events.contains { event in
event.status == .succeeded && event.receipt != nil
})
}
@MainActor
func testCancellationAfterExecutionCheckpointPreventsToolStart()
async throws
{
let executionRecorder = TestExecutionRecorder()
let definition = testToolDefinition(id: "lookup")
let callbacks = AgentLoopCallbacks(
normalizeTool: { $0 },
executeTool: { _ in
await executionRecorder.markExecuted()
return AgentToolResult(
modelText: #"{"ok":true}"#,
displayText: "Executed",
succeeded: true
)
},
requestApproval: { _ in false },
emit: { _ in },
modelProgress: { _ in },
checkpoint: { update in
guard case .activeCall(_, phase: .toolExecution) = update else {
return
}
withUnsafeCurrentTask { task in
task?.cancel()
}
}
)
do {
_ = try await AgentLoop(
runtime: ScriptedDolphinRuntime(responses: [
#"<tool_call>{"name":"lookup","arguments":{}}</tool_call>"#
])
).run(
runID: UUID(),
conversation: [AssistantMessage(role: .user, content: "Look it up")],
settings: AgentSettings(),
toolDefinitions: [definition],
callbacks: callbacks
)
XCTFail("Cancellation must stop before tool execution")
} catch is CancellationError {
// Expected.
}
let wasExecuted = await executionRecorder.wasExecuted()
XCTAssertFalse(wasExecuted)
}
func testCanonicalCalculatorAndTaskReadsRenderFromReceipts() throws {
let registry = AgentToolRegistry()
let runID = UUID()
let calculator = try XCTUnwrap(
registry.definition(named: "calculator")
)
let taskList = try XCTUnwrap(registry.definition(named: "task_list"))
let calculatorReceipt = try XCTUnwrap(
AgentToolReceipt(
runID: runID,
call: AgentToolCall(
name: "calculator",
arguments: ["expression": .string("6 * 7")]
),
definition: calculator,
result: AgentToolResult(
modelText: #"{"expression":"6 * 7","result":"42"}"#,
displayText: "42",
succeeded: true
)
)
)
let taskReceipt = try XCTUnwrap(
AgentToolReceipt(
runID: runID,
call: AgentToolCall(name: "task_list", arguments: [:]),
definition: taskList,
result: AgentToolResult(
modelText: #"{"count":1,"tasks":[{"completed":false,"id":"00000000-0000-0000-0000-000000000001","title":"Buy milk"}],"truncated":false}"#,
displayText: "Listed 1 task",
succeeded: true
)
)
)
XCTAssertEqual(
AgentVerifiedAnswerRenderer.readAnswer(for: [calculatorReceipt]),
"6 * 7 = 42."
)
XCTAssertEqual(
AgentVerifiedAnswerRenderer.readAnswer(for: [taskReceipt]),
"Your task is:\n• Buy milk"
)
}
func testCanonicalReceiptsRejectSwappedOrUncorrelatedObservations() throws {
let registry = AgentToolRegistry()
let fixtures: [(AgentToolCall, String)] = [
(
AgentToolCall(
name: "calculator",
arguments: ["expression": .string("6 * 7")]
),
#"{"expression":"1 + 1","result":"2"}"#
),
(
AgentToolCall(
name: "memory_search",
arguments: ["query": .string("name"), "limit": .number(5)]
),
#"{"count":0,"memories":[],"query":"address","truncated":false}"#
),
(
AgentToolCall(
name: "knowledge_search",
arguments: ["query": .string("release"), "limit": .number(5)]
),
#"{"count":0,"items":[],"query":"billing","retrieval":"local_hybrid_lexical","truncated":false}"#
),
(
AgentToolCall(
name: "code_analyze",
arguments: [
"code": .string("let value = 1"),
"language": .string("swift"),
]
),
JSONValue.object([
"analyzed_characters": .number(13),
"findings": .array([]),
"input_sha256": .string(AgentInputDigest.sha256("different code")),
"language": .string("swift"),
"line_count": .number(1),
"max_nesting": .number(0),
"nonempty_line_count": .number(1),
"truncated": .bool(false),
]).canonicalJSON
),
]
for (call, observation) in fixtures {
let definition = try XCTUnwrap(registry.definition(named: call.name))
let receipt = try XCTUnwrap(
AgentToolReceipt(
runID: UUID(),
call: call,
definition: definition,
result: AgentToolResult(
modelText: observation,
displayText: "stale fixture",
succeeded: true
)
)
)
XCTAssertFalse(
AgentVerifiedAnswerRenderer.acceptsAsTrustedReceipt(receipt),
call.name
)
XCTAssertNil(
AgentVerifiedAnswerRenderer.readAnswer(for: [receipt]),
call.name
)
}
}
func testNameRendererRequiresStrictFirstPersonMemory() throws {
let definition = try XCTUnwrap(
AgentToolRegistry().definition(named: "memory_search")
)
let content = "My friend's name is Jordan"
let observation = JSONValue.object([
"count": .number(1),
"memories": .array([
.object([
"content": .string(content),
"created_at": .string("2026-07-18T12:00:00Z"),
"id": .string(UUID().uuidString),
])
]),
"query": .string("name"),
"truncated": .bool(false),
]).canonicalJSON
let receipt = try XCTUnwrap(
AgentToolReceipt(
runID: UUID(),
call: AgentToolCall(
name: "memory_search",
arguments: ["query": .string("name"), "limit": .number(5)]
),
definition: definition,
result: AgentToolResult(
modelText: observation,
displayText: "Found 1 memory",
succeeded: true
)
)
)
XCTAssertEqual(
AgentVerifiedAnswerRenderer.readAnswer(for: [receipt]),
"I remember: “My friend's name is Jordan”."
)
let trailingProse = "My name is Alexis and I live in Montreal"
let trailingObservation = JSONValue.object([
"count": .number(1),
"memories": .array([
.object([
"content": .string(trailingProse),
"created_at": .string("2026-07-18T12:00:00Z"),
"id": .string(UUID().uuidString),
])
]),
"query": .string("name"),
"truncated": .bool(false),
]).canonicalJSON
let trailingReceipt = try XCTUnwrap(
AgentToolReceipt(
runID: UUID(),
call: AgentToolCall(
name: "memory_search",
arguments: ["query": .string("name"), "limit": .number(5)]
),
definition: definition,
result: AgentToolResult(
modelText: trailingObservation,
displayText: "Found 1 memory",
succeeded: true
)
)
)
XCTAssertEqual(
AgentVerifiedAnswerRenderer.readAnswer(for: [trailingReceipt]),
"I remember: “My name is Alexis and I live in Montreal”."
)
}
func testCanonicalReadRejectsBooleanNumberBridging() throws {
let registry = AgentToolRegistry()
let memoryDefinition = try XCTUnwrap(
registry.definition(named: "memory_search")
)
let taskDefinition = try XCTUnwrap(
registry.definition(named: "task_list")
)
let memoryReceipt = try XCTUnwrap(
AgentToolReceipt(
runID: UUID(),
call: AgentToolCall(
name: "memory_search",
arguments: ["query": .string("name"), "limit": .number(5)]
),
definition: memoryDefinition,
result: AgentToolResult(
modelText: #"{"count":true,"memories":[{"content":"My name is Alexis"}],"query":"name","truncated":0}"#,
displayText: "Malformed memory result",
succeeded: true
)
)
)
let taskReceipt = try XCTUnwrap(
AgentToolReceipt(
runID: UUID(),
call: AgentToolCall(name: "task_list", arguments: [:]),
definition: taskDefinition,
result: AgentToolResult(
modelText: #"{"count":1,"tasks":[{"completed":1,"title":"Buy milk"}],"truncated":false}"#,
displayText: "Malformed task result",
succeeded: true
)
)
)
XCTAssertNil(AgentVerifiedAnswerRenderer.readAnswer(for: [memoryReceipt]))
XCTAssertNil(AgentVerifiedAnswerRenderer.readAnswer(for: [taskReceipt]))
}
func testLegacyReceiptWrapperIsRemovedBeforeMemoryRendering() throws {
let definition = try XCTUnwrap(
AgentToolRegistry().definition(named: "memory_search")
)
let legacy = """
Verified read-only tool observations (1):
Arguments: {"query":"name"}
Observation: {"count":0}
Model interpretation (not tool execution evidence):
My name is Alexis
"""
let observation = JSONValue.object([
"count": .number(1),
"memories": .array([
.object([
"content": .string(legacy),
"created_at": .string("2026-07-18T12:00:00Z"),
"id": .string(UUID().uuidString),
])
]),
"query": .string("name"),
"truncated": .bool(false),
]).canonicalJSON
let receipt = try XCTUnwrap(
AgentToolReceipt(
runID: UUID(),
call: AgentToolCall(
name: "memory_search",
arguments: ["query": .string("name"), "limit": .number(5)]
),
definition: definition,
result: AgentToolResult(
modelText: observation,
displayText: "Found 1 memory",
succeeded: true
)
)
)
let answer = try XCTUnwrap(
AgentVerifiedAnswerRenderer.readAnswer(for: [receipt])
)
XCTAssertEqual(answer, "Your name is Alexis.")
XCTAssertFalse(answer.contains("Arguments:"))
XCTAssertFalse(answer.contains("Observation:"))
}
func testInvalidCanonicalDateTimePayloadFailsClosed() throws {
let definition = try XCTUnwrap(
AgentToolRegistry().definition(named: "current_datetime")
)
let receipt = try XCTUnwrap(
AgentToolReceipt(
runID: UUID(),
call: AgentToolCall(name: "current_datetime", arguments: [:]),
definition: definition,
result: AgentToolResult(
modelText: #"{"iso8601":"2026-07-18T12:00:00Z","time_zone":"Not/AZone"}"#,
displayText: "Invalid zone",
succeeded: true
)
)
)
XCTAssertNil(AgentVerifiedAnswerRenderer.readAnswer(for: [receipt]))
}
func testTaskListReportsResultsBeyondRequestedLimitAsTruncated()
async throws
{
let registry = AgentToolRegistry()
var workspace = AssistantWorkspace.empty
workspace.tasks = (1...11).map { index in
AssistantTaskItem(title: "Task \(index)")
}
let store = TestWorkspaceStore(workspace: workspace)
let result = await registry.execute(
AgentToolCall(
name: "task_list",
arguments: [
"include_completed": .bool(false),
"limit": .number(10),
]
),
context: makeExecutionContext(store: store)
)
let payload = try XCTUnwrap(
JSONSerialization.jsonObject(with: Data(result.modelText.utf8))
as? [String: Any]
)
let tasks = try XCTUnwrap(payload["tasks"] as? [[String: Any]])
XCTAssertTrue(result.succeeded)
XCTAssertEqual(tasks.count, 10)
XCTAssertEqual(payload["count"] as? Int, 10)
XCTAssertEqual(payload["truncated"] as? Bool, true)
}
func testOrdinaryConversationHasNoEligibleTools() {
let greeting = AgentRequestRouter.plan(for: "Hi, my name is Alexis. What's yours?")
let thanks = AgentRequestRouter.plan(for: "Thanks for your help!")
XCTAssertNil(greeting.initialToolCall)
XCTAssertTrue(greeting.eligibleToolIDs.isEmpty)
XCTAssertNil(thanks.initialToolCall)
XCTAssertTrue(thanks.eligibleToolIDs.isEmpty)
}
func testExplicitMemoryAndRecallRequestsRouteDeterministically() throws {
let save = AgentRequestRouter.plan(
for: "Remember that my name is Alexis"
)
let saveCall = try XCTUnwrap(save.initialToolCall)
XCTAssertEqual(saveCall.name, "memory_save")
XCTAssertEqual(saveCall.arguments["content"], .string("my name is Alexis"))
let recall = AgentRequestRouter.plan(for: "What's my name?")
let recallCall = try XCTUnwrap(recall.initialToolCall)
XCTAssertEqual(recallCall.name, "memory_search")
XCTAssertEqual(recallCall.arguments["query"], .string("name"))
XCTAssertEqual(recallCall.arguments["limit"], .number(5))
let task = AgentRequestRouter.plan(for: "Remember to buy milk")
let taskCall = try XCTUnwrap(task.initialToolCall)
XCTAssertEqual(taskCall.name, "task_add")
XCTAssertEqual(taskCall.arguments["title"], .string("buy milk"))
}
func testNegationInsideExplicitPayloadIsNotMistakenForCommandNegation()
throws
{
let negativePreference = AgentRequestRouter.plan(
for: "Remember that I don't like coffee"
)
let preferenceCall = try XCTUnwrap(negativePreference.initialToolCall)
XCTAssertEqual(preferenceCall.name, "memory_save")
XCTAssertEqual(
preferenceCall.arguments["content"],
.string("I don't like coffee")
)
let doNotForget = AgentRequestRouter.plan(
for: "Don't forget that my name is Alexis"
)
let reminderCall = try XCTUnwrap(doNotForget.initialToolCall)
XCTAssertEqual(reminderCall.name, "memory_save")
XCTAssertEqual(
reminderCall.arguments["content"],
.string("my name is Alexis")
)
XCTAssertEqual(
AgentRequestRouter.plan(for: "Don't add a task to buy milk"),
.conversation
)
let handoffID = UUID()
XCTAssertEqual(
AgentRequestRouter.plan(
for: "Don't deactivate handoff \(handoffID.uuidString)"
),
.conversation
)
}
@MainActor
func testCasualGreetingProducesPlainChatWithoutToolReceipts() async throws {
let runtime = ScriptedDolphinRuntime(
responses: ["Hi Alexis! I'm Dolphin. Nice to meet you."]
)
let registry = AgentToolRegistry()
let callbacks = AgentLoopCallbacks(
normalizeTool: { try registry.normalize($0) },
executeTool: { _ in
XCTFail("A greeting must not execute a tool")
return AgentToolResult(
modelText: #"{"error":"unexpected tool"}"#,
displayText: "Unexpected tool",
succeeded: false
)
},
requestApproval: { _ in
XCTFail("A greeting must not request approval")
return false
},
emit: { _ in },
modelProgress: { _ in }
)
let result = try await AgentLoop(runtime: runtime).run(
runID: UUID(),
conversation: [
AssistantMessage(
role: .user,
content: "Hi, my name is Alexis. What's yours?"
)
],
settings: AgentSettings(),
toolDefinitions: registry.definitions,
callbacks: callbacks
)
XCTAssertEqual(result.finalText, "Hi Alexis! I'm Dolphin. Nice to meet you.")
XCTAssertEqual(result.toolCalls, 0)
XCTAssertEqual(result.trustedToolResults, 0)
XCTAssertFalse(result.finalText.contains("Verified read-only"))
XCTAssertFalse(result.finalText.contains("No tool action was executed"))
}
@MainActor
func testExplicitRememberPersistsAndCanBeRecalledAfterReload()
async throws
{
let registry = AgentToolRegistry()
let store = TestWorkspaceStore(workspace: .empty)
let context = makeExecutionContext(store: store)
let runtime = ScriptedDolphinRuntime(responses: ["Saved."])
let callbacks = AgentLoopCallbacks(
normalizeTool: { try registry.normalize($0) },
executeTool: { call in
await registry.execute(call, context: context)
},
requestApproval: { _ in true },
emit: { _ in },
modelProgress: { _ in }
)
let result = try await AgentLoop(runtime: runtime).run(
runID: UUID(),
conversation: [
AssistantMessage(
role: .user,
content: "Remember that my name is Alexis"
)
],
settings: AgentSettings(),
toolDefinitions: registry.definitions,
callbacks: callbacks
)
XCTAssertEqual(result.toolCalls, 1)
XCTAssertEqual(result.trustedToolResults, 1)
XCTAssertEqual(result.failedToolCalls, 0)
XCTAssertEqual(result.finalText, "Got it — I’ll remember: “my name is Alexis”.")
let savedWorkspace = await store.snapshot()
XCTAssertEqual(savedWorkspace.memories.map(\.content), ["my name is Alexis"])
let fileURL = FileManager.default.temporaryDirectory.appendingPathComponent(
"dolphin-relaunch-\(UUID().uuidString).json"
)
defer { try? FileManager.default.removeItem(at: fileURL) }
let persistence = try AssistantPersistence(fileURL: fileURL)
try await persistence.save(savedWorkspace)
let reloadedWorkspace = try await persistence.load()
XCTAssertEqual(reloadedWorkspace.memories.map(\.content), ["my name is Alexis"])
let reloadedStore = TestWorkspaceStore(workspace: reloadedWorkspace)
let search = await registry.execute(
AgentToolCall(
name: "memory_search",
arguments: [
"query": .string("What's my name?"),
"limit": .number(5),
]
),
context: makeExecutionContext(store: reloadedStore)
)
XCTAssertTrue(search.succeeded)
XCTAssertTrue(search.modelText.contains("my name is Alexis"))
}
func testLegacyReceiptProseIsRemovedFromConversationText() {
let nested = """
No tool action was executed. The response below is model-generated text, not an action confirmation.
Verified read-only tool observations (1); no local changes were made:
- memory_search [36C5EA5B-8309-48B0-B073-80565D5E58B1]
Arguments: {"query":"Hi"}
Observation: {"count":0,"memories":[]}
Model interpretation (not tool execution evidence):
No tool action was executed. The response below is model-generated text, not an action confirmation.
Verified read-only tool observations (1); no local changes were made:
- memory_search [36C5EA5B-8309-48B0-B073-80565D5E58B1]
Arguments: {"query":"Hi"}
Observation: {"count":0,"memories":[]}
Model interpretation (not tool execution evidence):
Hi Alexis!
"""
XCTAssertEqual(AssistantChatText.cleaned(nested), "Hi Alexis!")
XCTAssertEqual(
AssistantChatText.cleaned(
"""
Verified read-only tool observations (1); no local changes were made:
- memory_search [36C5EA5B-8309-48B0-B073-80565D5E58B1]
Arguments: {"query":"Hi"}
Observation: {"count":0,"memories":[]}
"""
),
""
)
}
func testMemoryContextIsSeparateAndLegacyReceiptHistoryIsExcluded()
async throws
{
let runtime = ScriptedDolphinRuntime(responses: [])
let result = try await AgentContextWindowBuilder.build(
systemPrompt: "system",
conversation: [
AssistantMessage(role: .user, content: "What's my name?"),
AssistantMessage(
role: .assistant,
content: """
Verified read-only tool observations (1):
- memory_search [36C5EA5B-8309-48B0-B073-80565D5E58B1]
Arguments: {"query":"name"}
Observation: {"memories":[]}
"""
),
],
memoryContext: [MemoryItem(content: "My name is Alexis")],
scratchpad: [],
tools: [],
maxNewTokens: 32,
runtime: runtime
)
XCTAssertTrue(result.renderedPrompt.contains("My name is Alexis"))
XCTAssertTrue(result.renderedPrompt.contains("untrusted user data"))
XCTAssertFalse(result.renderedPrompt.contains("Verified read-only"))
XCTAssertFalse(result.renderedPrompt.contains("36C5EA5B"))
}
func testAgentSettingsUseExpandedOutputBudgetAndCentralBounds() {
XCTAssertEqual(AgentSettings().maxNewTokens, 256)
var invalid = AgentSettings()
invalid.maxToolSteps = 999
invalid.maxNewTokens = 1
invalid.maxRunSeconds = 0
invalid.networkAccessEnabled = true
let sanitized = invalid.sanitized()
XCTAssertEqual(sanitized.maxToolSteps, AgentSettings.maxToolStepsRange.upperBound)
XCTAssertEqual(sanitized.maxNewTokens, AgentSettings.maxNewTokensRange.lowerBound)
XCTAssertEqual(sanitized.maxRunSeconds, AgentSettings.maxRunSecondsRange.lowerBound)
XCTAssertFalse(sanitized.networkAccessEnabled)
}
func testSchemaOneMigratesLegacyBudgetAndReceiptChat() async throws {
var workspace = AssistantWorkspace.empty
workspace.settings.maxNewTokens = AgentSettings.legacyDefaultMaxNewTokens
workspace.messages = [
AssistantMessage(role: .user, content: "Hi"),
AssistantMessage(
role: .assistant,
content: """
No tool action was executed. The response below is model-generated text, not an action confirmation.
Model interpretation (not tool execution evidence):
Hello!
"""
),
]
let fileURL = FileManager.default.temporaryDirectory.appendingPathComponent(
"dolphin-schema-one-\(UUID().uuidString).json"
)
defer { try? FileManager.default.removeItem(at: fileURL) }
let encoder = JSONEncoder()
encoder.dateEncodingStrategy = .secondsSince1970
try encoder.encode(
LegacyPersistenceEnvelope(schemaVersion: 1, workspace: workspace)
).write(to: fileURL, options: .atomic)
let loaded = try await AssistantPersistence(fileURL: fileURL).load()
XCTAssertEqual(loaded.settings.maxNewTokens, 256)
XCTAssertEqual(loaded.messages.map(\.content), ["Hi", "Hello!"])
}
func testSchemaTwoWithoutRunsMigratesWithoutDataLoss() async throws {
var workspace = AssistantWorkspace.empty
workspace.memories = [MemoryItem(content: "Keep this")]
let encoder = JSONEncoder()
encoder.dateEncodingStrategy = .secondsSince1970
let encoded = try encoder.encode(
LegacyPersistenceEnvelope(schemaVersion: 2, workspace: workspace)
)
var root = try XCTUnwrap(
JSONSerialization.jsonObject(with: encoded) as? [String: Any]
)
var legacyWorkspace = try XCTUnwrap(root["workspace"] as? [String: Any])
legacyWorkspace.removeValue(forKey: "runs")
root["workspace"] = legacyWorkspace
let fileURL = FileManager.default.temporaryDirectory.appendingPathComponent(
"dolphin-schema-two-\(UUID().uuidString).json"
)
defer { try? FileManager.default.removeItem(at: fileURL) }
try JSONSerialization.data(withJSONObject: root).write(
to: fileURL,
options: .atomic
)
let loaded = try await AssistantPersistence(fileURL: fileURL).load()
XCTAssertEqual(loaded.memories.map(\.content), ["Keep this"])
XCTAssertTrue(loaded.runs.isEmpty)
}
func testRunCheckpointRoundTripsExactly() throws {
let date = Date(timeIntervalSince1970: 1_750_000_000)
let runID = UUID()
let request = AssistantMessage(
role: .user,
content: "What's my name?",
createdAt: date
)
let definition = try XCTUnwrap(
AgentToolRegistry().definition(named: "memory_search")
)
let call = AgentToolCall(
name: "memory_search",
arguments: ["query": .string("name"), "limit": .number(5)]
)
let receipt = try XCTUnwrap(
AgentToolReceipt(
runID: runID,
call: call,
definition: definition,
result: AgentToolResult(
modelText: #"{"count":1,"memories":[{"content":"My name is Alexis","created_at":"2025-06-15T15:06:40Z","id":"00000000-0000-0000-0000-000000000001"}],"truncated":false}"#,
displayText: "Found 1 memory",
succeeded: true
),
completedAt: date
)
)
var workspace = AssistantWorkspace.empty
workspace.messages = [request]
workspace.runs = [
AgentRunRecord(
id: runID,
requestMessageID: request.id,
requestText: request.content,
contextMessageIDs: [request.id],
settingsSnapshot: AgentSettings(),
createdAt: date,
checkpoint: AgentRunCheckpoint(
phase: .finalizing,
completedReceipts: [receipt],
toolCallsUsed: 1,
modelTurns: 1,
updatedAt: date
)
)
]
let encoder = JSONEncoder()
encoder.dateEncodingStrategy = .secondsSince1970
let decoder = JSONDecoder()
decoder.dateDecodingStrategy = .secondsSince1970
let decoded = try decoder.decode(
AssistantWorkspace.self,
from: encoder.encode(workspace)
)
XCTAssertEqual(decoded, workspace)
XCTAssertEqual(decoded.runs.first?.checkpoint.completedReceipts, [receipt])
}
func testUnfinishedRunsRecoverAsInterruptedButTerminalRunsStayFinal() {
let request = AssistantMessage(role: .user, content: "Do something")
let settings = AgentSettings()
let running = AgentRunRecord(
requestMessageID: request.id,
requestText: request.content,
contextMessageIDs: [request.id],
settingsSnapshot: settings
)
var succeeded = AgentRunRecord(
requestMessageID: request.id,
requestText: request.content,
contextMessageIDs: [request.id],
settingsSnapshot: settings
)
succeeded.status = .succeeded
let recoveryDate = Date(timeIntervalSince1970: 1_760_000_000)
var workspace = AssistantWorkspace.empty
workspace.runs = [running, succeeded]
XCTAssertEqual(workspace.recoverInterruptedRuns(at: recoveryDate), 1)
XCTAssertEqual(workspace.runs[0].status, .interrupted)
XCTAssertEqual(workspace.runs[0].stopReason, .processEnded)
XCTAssertEqual(workspace.runs[0].checkpoint.updatedAt, recoveryDate)
XCTAssertEqual(workspace.runs[0].completedAt, recoveryDate)
XCTAssertEqual(workspace.runs[1].status, .succeeded)
XCTAssertNil(workspace.runs[1].stopReason)
XCTAssertEqual(workspace.events.count, 1)
XCTAssertEqual(workspace.events[0].runID, running.id)
XCTAssertEqual(workspace.events[0].title, "Previous run interrupted")
XCTAssertTrue(workspace.events[0].detail.contains("No action was replayed"))
}
func testInterruptedRecoveryPreservesRecordedCancellationReason() {
let request = AssistantMessage(role: .user, content: "Stop this")
var stopping = AgentRunRecord(
requestMessageID: request.id,
requestText: request.content,
contextMessageIDs: [request.id],
settingsSnapshot: AgentSettings()
)
stopping.status = .cancellationRequested
stopping.stopReason = .user
var workspace = AssistantWorkspace.empty
workspace.runs = [stopping]
XCTAssertEqual(workspace.recoverInterruptedRuns(), 1)
XCTAssertEqual(workspace.runs[0].status, .interrupted)
XCTAssertEqual(workspace.runs[0].stopReason, .user)
}
func testCancellationClassificationUsesDurableStopReason() {
let deadline = AgentRunTerminalClassifier.cancellation(for: .deadline)
XCTAssertEqual(deadline.status, .failed)
XCTAssertEqual(deadline.eventStatus, .failed)
XCTAssertEqual(deadline.stopReason, .deadline)
XCTAssertTrue(deadline.message.contains("time limit"))
let storage = AgentRunTerminalClassifier.cancellation(
for: .storageFailure
)
XCTAssertEqual(storage.status, .failed)
XCTAssertEqual(storage.eventStatus, .failed)
XCTAssertEqual(storage.stopReason, .storageFailure)
XCTAssertTrue(storage.message.contains("not confirmed durable"))
let user = AgentRunTerminalClassifier.cancellation(for: .user)
XCTAssertEqual(user.status, .cancelled)
XCTAssertEqual(user.stopReason, .user)
let background = AgentRunTerminalClassifier.cancellation(for: .background)
XCTAssertEqual(background.status, .cancelled)
XCTAssertEqual(background.stopReason, .background)
}
func testLegacyAgentEventDecodesWithoutStructuredReceipt() throws {
let data = Data(
#"{"id":"00000000-0000-0000-0000-000000000001","runID":null,"sequence":1,"kind":"run","status":"information","title":"Legacy","detail":"Before receipts","createdAt":0}"#.utf8
)
let event = try JSONDecoder().decode(AgentEvent.self, from: data)
XCTAssertNil(event.receipt)
XCTAssertEqual(event.title, "Legacy")
}
func testOversizedSuccessfulResultCannotProduceSuccessReceipt() {
let definition = AgentToolDefinition(
id: "write",
displayName: "Write",
summary: "Test write",
parameters: .object([:]),
risk: .localWrite,
maxOutputCharacters: 128
)
let rawResult = AgentToolResult(
modelText: String(repeating: "x", count: 200),
displayText: "Committed",
succeeded: true
)
let bounded = rawResult.bounded(toMaximumCharacters: 128)
XCTAssertFalse(bounded.succeeded)
XCTAssertNil(
AgentToolReceipt(
runID: UUID(),
call: AgentToolCall(name: "write", arguments: [:]),
definition: definition,
result: rawResult
)
)
XCTAssertNotNil(
try? JSONSerialization.jsonObject(with: Data(bounded.modelText.utf8))
)
}
func testContextTrimmingDropsACompleteOldTurn() async throws {
let runtime = ScriptedDolphinRuntime(
responses: [],
oversizedPromptMarker: "old user"
)
let conversation = [
AssistantMessage(role: .user, content: "old user"),
AssistantMessage(role: .assistant, content: "old assistant"),
AssistantMessage(role: .user, content: "latest user"),
]
let result = try await AgentContextWindowBuilder.build(
systemPrompt: "system",
conversation: conversation,
scratchpad: [],
tools: [],
maxNewTokens: 32,
runtime: runtime
)
XCTAssertEqual(result.droppedMessages, 2)
XCTAssertFalse(result.renderedPrompt.contains("old user"))
XCTAssertFalse(result.renderedPrompt.contains("old assistant"))
XCTAssertTrue(result.renderedPrompt.contains("latest user"))
}
func testLegacySettingsDecodeWithSystemCapabilitiesDisabled() throws {
let data = Data(
#"{"maxToolSteps":3,"maxNewTokens":256,"maxRunSeconds":300,"requireApprovalForLocalWrites":true,"networkAccessEnabled":false,"systemPrompt":"Legacy"}"#.utf8
)
let settings = try JSONDecoder().decode(AgentSettings.self, from: data)
XCTAssertTrue(settings.enabledSystemCapabilities.isEmpty)
XCTAssertEqual(settings.systemPrompt, "Legacy")
}
func testCalendarToolNormalizesBoundsRoutesAndRequiresOptInApproval()
throws
{
let registry = AgentToolRegistry(
calendarReader: TestCalendarReader(status: .fullAccess)
)
let definition = try XCTUnwrap(
registry.definition(named: "calendar_events")
)
let normalized = try registry.normalize(
AgentToolCall(
name: "calendar_events",
arguments: ["window": .string("tomorrow")]
)
)
XCTAssertEqual(normalized.arguments["window"], .string("tomorrow"))
XCTAssertEqual(normalized.arguments["limit"], .number(10))
XCTAssertEqual(definition.risk, .sensitiveRead)
XCTAssertEqual(definition.requiredCapability, .calendarRead)
XCTAssertThrowsError(
try registry.normalize(
AgentToolCall(
name: "calendar_events",
arguments: [
"window": .string("next_month"),
"limit": .number(11),
]
)
)
)
let route = AgentRequestRouter.plan(
for: "What meetings are on my calendar tomorrow?"
)
XCTAssertEqual(route.initialToolCall?.name, "calendar_events")
XCTAssertEqual(
route.initialToolCall?.arguments["window"],
.string("tomorrow")
)
if case .deny = AgentPolicy.decision(
for: definition,
settings: AgentSettings()
) {
// Expected: the persisted opt-in is off by default.
} else {
XCTFail("A disabled system capability must be denied")
}
var enabled = AgentSettings()
enabled.enabledSystemCapabilities.insert(.calendarRead)
if case .requireApproval = AgentPolicy.decision(
for: definition,
settings: enabled
) {
// Expected: every sensitive read gets a one-time approval request.
} else {
XCTFail("An enabled sensitive read must require one-time approval")
}
}
func testCalendarAuthorizationDenialNeverAttemptsARead() async throws {
let reader = TestCalendarReader(status: .denied)
let registry = AgentToolRegistry(calendarReader: reader)
let result = await registry.execute(
AgentToolCall(
name: "calendar_events",
arguments: ["window": .string("today")]
),
context: makeExecutionContext(
store: TestWorkspaceStore(workspace: .empty)
)
)
XCTAssertFalse(result.succeeded)
XCTAssertTrue(result.displayText.contains("denied"))
let readCount = await reader.readCount()
XCTAssertEqual(readCount, 0)
}
func testCalendarResultIsBoundedDeterministicAndPrivacyMinimized()
async throws
{
let now = testISO8601Date("2026-07-18T14:00:00Z")
let events = [
SystemCalendarEvent(
title: " Team <sync>\nRoom 4 ",
startsAt: testISO8601Date("2026-07-18T15:00:00Z"),
endsAt: testISO8601Date("2026-07-18T15:30:00Z"),
isAllDay: false
)
]
let reader = TestCalendarReader(
status: .fullAccess,
page: SystemCalendarEventPage(events: events, hasMore: false)
)
var utcCalendar = Calendar(identifier: .gregorian)
utcCalendar.timeZone = try XCTUnwrap(TimeZone(identifier: "UTC"))
let registry = AgentToolRegistry(
dateProvider: FixedTestDateProvider(date: now),
calendarReader: reader,
calendar: utcCalendar
)
let call = try registry.normalize(
AgentToolCall(
name: "calendar_events",
arguments: [
"window": .string("today"),
"limit": .number(10),
]
)
)
let result = await registry.execute(
call,
context: makeExecutionContext(
store: TestWorkspaceStore(workspace: .empty)
)
)
let payload = try XCTUnwrap(
JSONSerialization.jsonObject(with: Data(result.modelText.utf8))
as? [String: Any]
)
let rawEvents = try XCTUnwrap(payload["events"] as? [[String: Any]])
XCTAssertTrue(result.succeeded)
XCTAssertLessThanOrEqual(result.modelText.count, 2_400)
XCTAssertEqual(
Set(payload.keys),
["count", "events", "time_zone", "truncated", "window"]
)
XCTAssertEqual(
Set(try XCTUnwrap(rawEvents.first).keys),
["all_day", "ends_at", "starts_at", "title"]
)
XCTAssertEqual(rawEvents.first?["title"] as? String, "Team ‹sync› Room 4")
for forbidden in ["notes", "attendees", "url", "location", "id"] {
XCTAssertFalse(result.modelText.lowercased().contains("\"\(forbidden)\""))
}
let recordedInterval = await reader.lastInterval()
let interval = try XCTUnwrap(recordedInterval)
XCTAssertEqual(interval.start, testISO8601Date("2026-07-18T00:00:00Z"))
XCTAssertEqual(interval.end, testISO8601Date("2026-07-19T00:00:00Z"))
}
@MainActor
func testCalendarVerifiedAnswerCannotBeContradictedByModel() async throws {
let event = SystemCalendarEvent(
title: "Dentist",
startsAt: testISO8601Date("2026-07-18T15:00:00Z"),
endsAt: testISO8601Date("2026-07-18T16:00:00Z"),
isAllDay: false
)
var utcCalendar = Calendar(identifier: .gregorian)
utcCalendar.timeZone = try XCTUnwrap(TimeZone(identifier: "UTC"))
let registry = AgentToolRegistry(
dateProvider: FixedTestDateProvider(
date: testISO8601Date("2026-07-18T12:00:00Z")
),
calendarReader: TestCalendarReader(
status: .fullAccess,
page: SystemCalendarEventPage(events: [event], hasMore: false)
),
calendar: utcCalendar
)
let context = makeExecutionContext(
store: TestWorkspaceStore(workspace: .empty)
)
var settings = AgentSettings()
settings.enabledSystemCapabilities.insert(.calendarRead)
let result = try await AgentLoop(
runtime: ScriptedDolphinRuntime(
responses: ["You have no events today."]
)
).run(
runID: UUID(),
conversation: [
AssistantMessage(role: .user, content: "What's on my calendar today?")
],
settings: settings,
toolDefinitions: registry.definitions,
callbacks: AgentLoopCallbacks(
normalizeTool: { try registry.normalize($0) },
executeTool: { await registry.execute($0, context: context) },
requestApproval: { _ in true },
emit: { _ in },
modelProgress: { _ in }
)
)
XCTAssertEqual(result.outcome, .succeeded)
XCTAssertTrue(result.finalText.contains("Dentist"))
XCTAssertFalse(result.finalText.contains("no events"))
}
func testCalendarRendererFailsClosedForMalformedOrExtraFields() throws {
let definition = try XCTUnwrap(
AgentToolRegistry(
calendarReader: TestCalendarReader(status: .fullAccess)
).definition(named: "calendar_events")
)
let call = AgentToolCall(
name: "calendar_events",
arguments: [
"window": .string("today"),
"limit": .number(10),
]
)
let malformedResult = AgentToolResult(
modelText: #"{"count":1,"events":[{"all_day":false,"ends_at":"2026-07-18T16:00:00Z","location":"Secret","starts_at":"2026-07-18T15:00:00Z","title":"Dentist"}],"time_zone":"UTC","truncated":false,"window":"today"}"#,
displayText: "Found 1 event",
succeeded: true
)
let receipt = try XCTUnwrap(
AgentToolReceipt(
runID: UUID(),
call: call,
definition: definition,
result: malformedResult
)
)
XCTAssertTrue(
AgentVerifiedAnswerRenderer.requiresDeterministicAnswer(for: [receipt])
)
XCTAssertNil(AgentVerifiedAnswerRenderer.readAnswer(for: [receipt]))
}
func testCalendarLimitProducesTruthfulTruncation() async throws {
let events = (0..<2).map { index in
SystemCalendarEvent(
title: "Event \(index)",
startsAt: testISO8601Date("2026-07-18T1\(index):00:00Z"),
endsAt: testISO8601Date("2026-07-18T1\(index):30:00Z"),
isAllDay: false
)
}
var utcCalendar = Calendar(identifier: .gregorian)
utcCalendar.timeZone = try XCTUnwrap(TimeZone(identifier: "UTC"))
let registry = AgentToolRegistry(
dateProvider: FixedTestDateProvider(
date: testISO8601Date("2026-07-18T08:00:00Z")
),
calendarReader: TestCalendarReader(
status: .fullAccess,
page: SystemCalendarEventPage(events: events, hasMore: false)
),
calendar: utcCalendar
)
let result = await registry.execute(
AgentToolCall(
name: "calendar_events",
arguments: [
"window": .string("today"),
"limit": .number(1),
]
),
context: makeExecutionContext(
store: TestWorkspaceStore(workspace: .empty)
)
)
let payload = try XCTUnwrap(
JSONSerialization.jsonObject(with: Data(result.modelText.utf8))
as? [String: Any]
)
XCTAssertTrue(result.succeeded)
XCTAssertEqual(payload["count"] as? Int, 1)
XCTAssertEqual(payload["truncated"] as? Bool, true)
}
@MainActor
func testDeterministicSequenceExecutesInOrderWithoutModelGeneration()
async throws
{
let registry = AgentToolRegistry()
let store = TestWorkspaceStore(workspace: .empty)
let context = makeExecutionContext(store: store)
let callbacks = AgentLoopCallbacks(
normalizeTool: { try registry.normalize($0) },
executeTool: { await registry.execute($0, context: context) },
requestApproval: { _ in true },
emit: { _ in },
modelProgress: { _ in }
)
let result = try await AgentLoop(
runtime: ToolOnlyDolphinRuntime()
).run(
runID: UUID(),
conversation: [
AssistantMessage(
role: .user,
content: "Remember that my name is Alexis and then add a task to buy milk"
)
],
settings: AgentSettings(),
toolDefinitions: registry.definitions,
callbacks: callbacks
)
let workspace = await store.snapshot()
XCTAssertEqual(result.outcome, .succeeded)
XCTAssertEqual(result.modelTurns, 0)
XCTAssertEqual(result.toolCalls, 2)
XCTAssertEqual(result.trustedToolResults, 2)
XCTAssertTrue(result.finalText.contains("I’ll remember"))
XCTAssertTrue(result.finalText.contains("buy milk"))
XCTAssertEqual(workspace.memories.map(\.content), ["my name is Alexis"])
XCTAssertEqual(workspace.tasks.map(\.title), ["buy milk"])
}
@MainActor
func testMissingDeterministicToolFailsClosedWithoutModelGeneration()
async throws
{
let runtime = ScriptedDolphinRuntime(responses: ["False success"])
let loop = AgentLoop(runtime: runtime)
let result = try await loop.run(
runID: UUID(),
conversation: [AssistantMessage(role: .user, content: "List my tasks")],
settings: AgentSettings(),
toolDefinitions: [
AgentToolRegistry.canonicalDefinitions.first {
$0.id == "current_datetime"
}!
],
callbacks: AgentLoopCallbacks(
normalizeTool: { $0 },
executeTool: { _ in
XCTFail("An unavailable deterministic tool must not execute")
return AgentToolResult(
modelText: "",
displayText: "",
succeeded: false
)
},
requestApproval: { _ in false },
emit: { _ in },
modelProgress: { _ in }
)
)
XCTAssertEqual(result.outcome, .failed)
XCTAssertEqual(result.modelTurns, 0)
XCTAssertEqual(result.failedToolCalls, 1)
XCTAssertTrue(result.finalText.contains("Missing verified receipt"))
XCTAssertFalse(result.finalText.contains("False success"))
}
@MainActor
func testPlanOverStepLimitExecutesNothingAndDoesNotGenerate()
async throws
{
let registry = AgentToolRegistry()
let execution = TestExecutionRecorder()
var settings = AgentSettings()
settings.maxToolSteps = 1
let result = try await AgentLoop(
runtime: ScriptedDolphinRuntime(responses: ["False success"])
).run(
runID: UUID(),
conversation: [
AssistantMessage(
role: .user,
content: "Remember that my name is Alexis then add a task to buy milk"
)
],
settings: settings,
toolDefinitions: registry.definitions,
callbacks: AgentLoopCallbacks(
normalizeTool: { try registry.normalize($0) },
executeTool: { _ in
await execution.markExecuted()
return AgentToolResult(
modelText: "",
displayText: "",
succeeded: false
)
},
requestApproval: { _ in true },
emit: { _ in },
modelProgress: { _ in }
)
)
XCTAssertEqual(result.outcome, .failed)
XCTAssertEqual(result.modelTurns, 0)
XCTAssertEqual(result.toolCalls, 0)
let didExecute = await execution.wasExecuted()
XCTAssertFalse(didExecute)
XCTAssertTrue(result.finalText.contains("needs 2 verified actions"))
}
func testPlainAndSequencesOnlyIndependentExplicitCommands() throws {
let sequence = AgentRequestRouter.plan(
for: "List my tasks and show calendar events tomorrow"
)
XCTAssertEqual(sequence.mode, .deterministic)
XCTAssertEqual(
sequence.plannedToolCalls.map(\.name),
["task_list", "calendar_events"]
)
let payload = AgentRequestRouter.plan(
for: "Remember that cats and dogs need separate food"
)
XCTAssertEqual(payload.plannedToolCalls.count, 1)
XCTAssertEqual(payload.initialToolCall?.name, "memory_save")
XCTAssertEqual(
payload.initialToolCall?.arguments["content"],
.string("cats and dogs need separate food")
)
}
@MainActor
func testPlanBeyondHardCeilingIsNotTruncatedOrPartiallyExecuted()
async throws
{
let request = (1...7).map { "Remember fact \($0)" }
.joined(separator: " then ")
let plan = AgentRequestRouter.plan(for: request)
XCTAssertEqual(plan.mode, .deterministic)
XCTAssertEqual(plan.plannedToolCalls.count, 7)
let registry = AgentToolRegistry()
let execution = TestExecutionRecorder()
var settings = AgentSettings()
settings.maxToolSteps = AgentSettings.maxToolStepsRange.upperBound
let result = try await AgentLoop(runtime: ToolOnlyDolphinRuntime()).run(
runID: UUID(),
conversation: [AssistantMessage(role: .user, content: request)],
settings: settings,
toolDefinitions: registry.definitions,
callbacks: AgentLoopCallbacks(
normalizeTool: { try registry.normalize($0) },
executeTool: { _ in
await execution.markExecuted()
return AgentToolResult(
modelText: "",
displayText: "",
succeeded: false
)
},
requestApproval: { _ in true },
emit: { _ in },
modelProgress: { _ in }
)
)
XCTAssertEqual(result.outcome, .failed)
XCTAssertEqual(result.toolCalls, 0)
XCTAssertEqual(result.modelTurns, 0)
let didExecute = await execution.wasExecuted()
XCTAssertFalse(didExecute)
XCTAssertTrue(result.finalText.contains("needs 7 verified actions"))
}
func testHiddenReasoningIsRemovedOrFailsClosed() {
XCTAssertEqual(
AssistantChatText.cleaned(
"<think>private chain of thought</think>Concise answer."
),
"Concise answer."
)
XCTAssertEqual(
AssistantChatText.cleaned("<analysis>unfinished private reasoning"),
""
)
XCTAssertEqual(
AssistantChatText.cleaned(
"<reasoning>private only</reasoning>"
),
""
)
XCTAssertEqual(
AssistantChatText.cleaned("< think>unfinished private reasoning"),
""
)
}
@MainActor
func testToolOnlyRuntimeFailsClosedIfGenerationIsRequested() async {
do {
_ = try await ToolOnlyDolphinRuntime().generate(
renderedPrompt: "Unexpected model turn",
maxNewTokens: 1,
progress: { _ in }
)
XCTFail("Tool-only execution must never generate model text")
} catch {
XCTAssertEqual(error as? DolphinModelRuntimeError, .modelNotLoaded)
}
}
private func testToolDefinition(id: String) -> AgentToolDefinition {
AgentToolDefinition(
id: id,
displayName: id.capitalized,
summary: "Test tool",
parameters: .object([
"additionalProperties": .bool(false),
"properties": .object([:]),
"required": .array([]),
"type": .string("object"),
]),
risk: .readOnly,
maxOutputCharacters: 512
)
}
}
@MainActor
private final class TestEventRecorder {
private(set) var events: [AgentEvent] = []
func record(_ event: AgentEvent) {
events.append(event)
}
}
private actor TestExecutionRecorder {
private var executed = false
func markExecuted() {
executed = true
}
func wasExecuted() -> Bool {
executed
}
}
private actor TestWorkspaceStore {
private var workspace: AssistantWorkspace
init(workspace: AssistantWorkspace) {
self.workspace = workspace
}
func snapshot() -> AssistantWorkspace {
workspace
}
func commit(
_ mutation: AssistantWorkspaceMutation,
resultBuilder: AssistantWorkspaceResultBuilder
) throws -> AgentToolResult {
switch mutation {
case .saveMemory(let item):
workspace.memories.append(item)
return try resultBuilder(.memory(item))
case .captureKnowledge(let item):
workspace.knowledgeItems.append(item)
return try resultBuilder(.knowledge(item))
case .createHandoff(let handoff):
workspace.handoffs.append(handoff)
workspace.activeHandoffID = handoff.id
return try resultBuilder(.handoff(handoff))
case .restoreHandoff(let id, let restoredAt):
guard let index = workspace.handoffs.firstIndex(where: { $0.id == id }) else {
throw TestWorkspaceError.missingHandoff
}
workspace.handoffs[index].restoredAt = restoredAt
workspace.activeHandoffID = id
return try resultBuilder(.handoff(workspace.handoffs[index]))
case .deactivateHandoff(let id):
guard workspace.activeHandoffID == id,
let handoff = workspace.handoffs.first(where: { $0.id == id })
else { throw TestWorkspaceError.missingHandoff }
workspace.activeHandoffID = nil
return try resultBuilder(.handoff(handoff))
case .addTask(let item):
workspace.tasks.append(item)
return try resultBuilder(.task(item))
case .completeTask(let id, let completedAt):
guard let index = workspace.tasks.firstIndex(where: { $0.id == id }) else {
throw TestWorkspaceError.missingTask
}
workspace.tasks[index].isCompleted = true
workspace.tasks[index].completedAt = completedAt
return try resultBuilder(.task(workspace.tasks[index]))
case .reopenTask(let id):
guard let index = workspace.tasks.firstIndex(where: { $0.id == id }),
workspace.tasks[index].isCompleted
else { throw TestWorkspaceError.missingTask }
workspace.tasks[index].isCompleted = false
workspace.tasks[index].completedAt = nil
return try resultBuilder(.task(workspace.tasks[index]))
}
}
}
private enum TestWorkspaceError: Error {
case missingTask
case missingHandoff
}
private struct FixedTestDateProvider: DateProviding {
let date: Date
func now() -> Date { date }
}
private actor TestCalendarReader: SystemCalendarReading {
private let status: SystemCalendarAuthorization
private let page: SystemCalendarEventPage
private var intervals: [DateInterval] = []
private var numberOfReads = 0
init(
status: SystemCalendarAuthorization,
page: SystemCalendarEventPage = SystemCalendarEventPage(
events: [],
hasMore: false
)
) {
self.status = status
self.page = page
}
func authorizationStatus() -> SystemCalendarAuthorization {
status
}
func readEvents(
in interval: DateInterval,
limit: Int
) throws -> SystemCalendarEventPage {
numberOfReads += 1
intervals.append(interval)
return SystemCalendarEventPage(
events: Array(page.events.prefix(limit)),
hasMore: page.hasMore || page.events.count > limit
)
}
func readCount() -> Int { numberOfReads }
func lastInterval() -> DateInterval? { intervals.last }
}
private func testISO8601Date(
_ value: String,
file: StaticString = #filePath,
line: UInt = #line
) -> Date {
guard let date = ISO8601DateFormatter().date(from: value) else {
XCTFail("Invalid test ISO-8601 date: \(value)", file: file, line: line)
return .distantPast
}
return date
}
private func makeExecutionContext(
store: TestWorkspaceStore
) -> AgentToolExecutionContext {
AgentToolExecutionContext(
snapshot: { await store.snapshot() },
commitLocalWrite: { mutation, _, _, resultBuilder in
try await store.commit(mutation, resultBuilder: resultBuilder)
}
)
}
private struct LegacyPersistenceEnvelope: Codable {
let schemaVersion: Int
let workspace: AssistantWorkspace
}
private actor ScriptedDolphinRuntime: DolphinModelRuntimeProtocol {
private var responses: [String]
private let oversizedPromptMarker: String?
init(responses: [String], oversizedPromptMarker: String? = nil) {
self.responses = responses
self.oversizedPromptMarker = oversizedPromptMarker
}
func information() -> DolphinModelInformation {
DolphinModelInformation(
loadSeconds: 0,
maxContextLength: 300,
maxQueryLength: 64,
computeUnits: "Test",
modelIdentifier: "scripted-test-runtime"
)
}
func tokenCount(_ renderedPrompt: String) -> Int {
if let oversizedPromptMarker,
renderedPrompt.contains(oversizedPromptMarker)
{
return 300
}
return 10
}
func generate(
renderedPrompt: String,
maxNewTokens: Int,
progress: @MainActor @Sendable (DolphinGenerationProgress) -> Void
) async throws -> DolphinGenerationResult {
guard !responses.isEmpty else {
throw DolphinModelRuntimeError.emptyPrompt
}
let text = responses.removeFirst()
return DolphinGenerationResult(
text: text,
promptTokens: 10,
generatedTokens: 1,
timeToFirstTokenSeconds: 0,
totalSeconds: 0.01
)
}
}