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// Verifies that RTK compression works with Kiro's conversationState format
import { describe, it, expect } from "vitest";
import { compressMessages } from "../../open-sse/rtk/index.js";
describe("Kiro format RTK support", () => {
it("compresses tool results in Kiro conversationState.currentMessage", () => {
const kiroBody = {
conversationState: {
chatTriggerType: "MANUAL",
conversationId: "test-123",
currentMessage: {
userInputMessage: {
content: "Install express",
modelId: "claude-sonnet-4.5",
userInputMessageContext: {
toolResults: [
{
toolUseId: "tool_1",
status: "success",
content: [
{
text: [
"npm warn deprecated har-validator@5.1.5: this library is no longer supported",
"npm warn deprecated uuid@3.4.0: uuid@10 and below is no longer supported",
"npm warn deprecated request@2.88.2: request has been deprecated",
"npm warn deprecated inflight@1.0.6: This module is not supported",
"npm warn deprecated glob@7.2.3: Glob versions prior to v9 are no longer supported",
"npm warn deprecated rimraf@2.7.1: Rimraf versions prior to v4 are no longer supported",
"",
"added 47 packages, and audited 48 packages in 13s",
"",
"3 packages are looking for funding",
" run `npm fund` for details",
"",
"4 vulnerabilities (2 moderate, 2 critical)",
"",
"Some issues need review, and may require choosing",
"a different dependency.",
"",
"Run `npm audit` for details."
].join("\n")
}
]
}
]
}
}
},
history: []
}
};
const stats = compressMessages(kiroBody, true);
expect(stats).not.toBeNull();
expect(stats.bytesBefore).toBeGreaterThan(500);
expect(stats.bytesAfter).toBeLessThan(stats.bytesBefore);
expect(stats.hits.length).toBe(1);
expect(stats.hits[0].filter).toBe("build-output");
expect(stats.hits[0].shape).toBe("kiro-tool-result");
// Verify compression happened
const savedBytes = stats.bytesBefore - stats.bytesAfter;
expect(savedBytes).toBeGreaterThan(0);
const savedPercent = (savedBytes / stats.bytesBefore) * 100;
expect(savedPercent).toBeGreaterThan(10); // At least 10% savings
});
it("compresses tool results in Kiro conversationState.history", () => {
// Need >500 bytes for compression to trigger
const compilingLines = [];
for (let i = 1; i <= 20; i++) {
compilingLines.push(` Compiling package-${i} v1.0.${i}`);
}
compilingLines.push(" Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.34s");
const kiroBody = {
conversationState: {
chatTriggerType: "MANUAL",
conversationId: "test-456",
currentMessage: {
userInputMessage: {
content: "What happened?",
modelId: "claude-sonnet-4.5"
}
},
history: [
{
userInputMessage: {
content: "Run cargo build",
modelId: "claude-sonnet-4.5",
userInputMessageContext: {
toolResults: [
{
toolUseId: "tool_2",
status: "success",
content: [
{
text: compilingLines.join("\n")
}
]
}
]
}
}
}
]
}
};
const stats = compressMessages(kiroBody, true);
expect(stats).not.toBeNull();
expect(stats.hits.length).toBe(1);
expect(stats.hits[0].filter).toBe("build-output");
expect(stats.bytesAfter).toBeLessThan(stats.bytesBefore);
});
it("handles multiple tool results across history and currentMessage", () => {
// Need >500 bytes for each tool result to trigger compression
const deprecations1 = [];
const deprecations2 = [];
for (let i = 1; i <= 10; i++) {
deprecations1.push(`npm warn deprecated package-${i}@1.0.0: This version is deprecated`);
deprecations2.push(`npm warn deprecated lib-${i}@2.0.0: This library is no longer supported`);
}
deprecations1.push("added 50 packages in 5s");
deprecations2.push("added 1 package in 2s");
const kiroBody = {
conversationState: {
chatTriggerType: "MANUAL",
conversationId: "test-789",
currentMessage: {
userInputMessage: {
content: "Install lodash",
modelId: "claude-sonnet-4.5",
userInputMessageContext: {
toolResults: [
{
toolUseId: "tool_3",
status: "success",
content: [
{
text: deprecations2.join("\n")
}
]
}
]
}
}
},
history: [
{
userInputMessage: {
content: "Install express",
modelId: "claude-sonnet-4.5",
userInputMessageContext: {
toolResults: [
{
toolUseId: "tool_4",
status: "success",
content: [
{
text: deprecations1.join("\n")
}
]
}
]
}
}
}
]
}
};
const stats = compressMessages(kiroBody, true);
expect(stats).not.toBeNull();
expect(stats.hits.length).toBe(2); // Both tool results compressed
expect(stats.hits.every(h => h.filter === "build-output")).toBe(true);
});
it("preserves error tool results without compression", () => {
const kiroBody = {
conversationState: {
chatTriggerType: "MANUAL",
conversationId: "test-error",
currentMessage: {
userInputMessage: {
content: "Install invalid-package",
modelId: "claude-sonnet-4.5",
userInputMessageContext: {
toolResults: [
{
toolUseId: "tool_5",
status: "error",
content: [
{
text: "npm error code E404\nnpm error 404 Not Found - GET https://registry.npmjs.org/invalid-package"
}
]
}
]
}
}
},
history: []
}
};
const originalText = kiroBody.conversationState.currentMessage.userInputMessage.userInputMessageContext.toolResults[0].content[0].text;
const stats = compressMessages(kiroBody, true);
expect(stats).not.toBeNull();
expect(stats.hits.length).toBe(0); // Error not compressed
// Verify error text unchanged
const afterText = kiroBody.conversationState.currentMessage.userInputMessage.userInputMessageContext.toolResults[0].content[0].text;
expect(afterText).toBe(originalText);
});
it("returns null when RTK is disabled", () => {
const kiroBody = {
conversationState: {
chatTriggerType: "MANUAL",
conversationId: "test-disabled",
currentMessage: {
userInputMessage: {
content: "Test",
modelId: "claude-sonnet-4.5",
userInputMessageContext: {
toolResults: [
{
toolUseId: "tool_6",
status: "success",
content: [{ text: "npm install express\nadded 50 packages" }]
}
]
}
}
},
history: []
}
};
const stats = compressMessages(kiroBody, false); // RTK disabled
expect(stats).toBeNull();
});
it("handles Kiro body with no tool results gracefully", () => {
const kiroBody = {
conversationState: {
chatTriggerType: "MANUAL",
conversationId: "test-no-tools",
currentMessage: {
userInputMessage: {
content: "Hello",
modelId: "claude-sonnet-4.5"
}
},
history: []
}
};
const stats = compressMessages(kiroBody, true);
expect(stats).not.toBeNull();
expect(stats.hits.length).toBe(0);
expect(stats.bytesBefore).toBe(0);
expect(stats.bytesAfter).toBe(0);
});
it("handles malformed Kiro body without crashing", () => {
const malformedBodies = [
{ conversationState: null },
{ conversationState: {} },
{ conversationState: { history: null, currentMessage: null } },
{ conversationState: { history: "not-an-array" } }
];
for (const body of malformedBodies) {
const stats = compressMessages(body, true);
// Malformed bodies may return null (caught by try-catch) or empty stats
if (stats !== null) {
expect(stats.hits.length).toBe(0);
}
}
});
});
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