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eb1202c | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 | import { describe, expect, test } from "bun:test"
import type { OpenCodeEvent, SessionMessageInfo } from "@opencode-ai/client/promise"
import { createV2SessionReducer } from "./server-session-v2-reducer"
const event = (input: object) => input as OpenCodeEvent
const base = { created: 1, location: { directory: "/repo" }, durable: { aggregateID: "ses_1", seq: 1, version: 1 } }
describe("v2 session reducer", () => {
test("projects promoted input and streaming assistant content", () => {
const reducer = createV2SessionReducer()
let messages: SessionMessageInfo[] = []
const apply = (input: object) => {
const result = reducer.reduce(messages, event(input))
if (result) messages = result.messages
return result
}
apply({
...base,
id: "evt_admitted",
type: "session.input.admitted",
data: {
sessionID: "ses_1",
inputID: "msg_user",
input: { type: "user", delivery: "steer", data: { text: "hello" } },
},
})
apply({
...base,
id: "evt_promoted",
type: "session.input.promoted",
data: { sessionID: "ses_1", inputID: "msg_user" },
})
apply({
...base,
id: "evt_step",
type: "session.step.started",
data: {
sessionID: "ses_1",
assistantMessageID: "msg_assistant",
agent: "build",
model: { id: "model", providerID: "provider" },
},
})
apply({
...base,
id: "evt_text_start",
type: "session.text.started",
data: { sessionID: "ses_1", assistantMessageID: "msg_assistant", ordinal: 0 },
})
apply({
...base,
id: "evt_text_delta",
type: "session.text.delta",
data: { sessionID: "ses_1", assistantMessageID: "msg_assistant", ordinal: 0, delta: "hel" },
})
apply({
...base,
id: "evt_text_end",
type: "session.text.ended",
data: { sessionID: "ses_1", assistantMessageID: "msg_assistant", ordinal: 0, text: "hello" },
})
expect(messages[0]).toMatchObject({ id: "msg_user", type: "user", text: "hello" })
expect(messages[1]).toMatchObject({
id: "msg_assistant",
type: "assistant",
content: [{ type: "text", text: "hello" }],
})
})
test("folds tool, retry, and completion events", () => {
const reducer = createV2SessionReducer()
let messages: SessionMessageInfo[] = []
const apply = (input: object) => {
const result = reducer.reduce(messages, event(input))
if (result) messages = result.messages
}
apply({
...base,
id: "evt_step",
type: "session.step.started",
data: {
sessionID: "ses_1",
assistantMessageID: "msg_assistant",
agent: "build",
model: { id: "model", providerID: "provider" },
},
})
apply({
...base,
id: "evt_tool_start",
type: "session.tool.input.started",
data: { sessionID: "ses_1", assistantMessageID: "msg_assistant", callID: "call_1", name: "bash" },
})
apply({
...base,
id: "evt_tool_delta",
type: "session.tool.input.delta",
data: { sessionID: "ses_1", assistantMessageID: "msg_assistant", callID: "call_1", delta: "{}" },
})
apply({
...base,
id: "evt_tool_called",
type: "session.tool.called",
data: { sessionID: "ses_1", assistantMessageID: "msg_assistant", callID: "call_1", input: {}, executed: true },
})
apply({
...base,
id: "evt_tool_success",
type: "session.tool.success",
data: {
sessionID: "ses_1",
assistantMessageID: "msg_assistant",
callID: "call_1",
metadata: {},
content: [{ type: "text", text: "done" }],
executed: true,
},
})
apply({
...base,
id: "evt_retry",
type: "session.retry.scheduled",
data: {
sessionID: "ses_1",
assistantMessageID: "msg_assistant",
attempt: 2,
at: 10,
error: { type: "ProviderError", message: "retry" },
},
})
apply({ ...base, id: "evt_done", type: "session.execution.succeeded", data: { sessionID: "ses_1" } })
expect(messages[0]).toMatchObject({
type: "assistant",
retry: undefined,
content: [{ type: "tool", id: "call_1", state: { status: "completed", content: [{ text: "done" }] } }],
})
})
test("requests hydration when promotion admission was missed", () => {
const result = createV2SessionReducer().reduce(
[],
event({
...base,
id: "evt_promoted",
type: "session.input.promoted",
data: { sessionID: "ses_1", inputID: "msg_user" },
}),
)
expect(result).toMatchObject({ sessionID: "ses_1", missing: "msg_user", touched: [] })
})
})
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