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import { buildTranscript, type RunLogChunk } from "./transcript";
import type { UIAdapterModule } from "./types";
describe("buildTranscript", () => {
const ts = "2026-03-20T13:00:00.000Z";
const chunks: RunLogChunk[] = [
{ ts, stream: "stdout", chunk: "opened /Users/dotta/project\n" },
{ ts, stream: "stderr", chunk: "stderr /Users/dotta/project" },
];
it("defaults username censoring to off when options are omitted", () => {
const entries = buildTranscript(chunks, (line, entryTs) => [{ kind: "stdout", ts: entryTs, text: line }]);
expect(entries).toEqual([
{ kind: "stdout", ts, text: "opened /Users/dotta/project" },
{ kind: "stderr", ts, text: "stderr /Users/dotta/project" },
]);
});
it("still redacts usernames when explicitly enabled", () => {
const entries = buildTranscript(chunks, (line, entryTs) => [{ kind: "stdout", ts: entryTs, text: line }], {
censorUsernameInLogs: true,
});
expect(entries).toEqual([
{ kind: "stdout", ts, text: "opened /Users/d****/project" },
{ kind: "stderr", ts, text: "stderr /Users/d****/project" },
]);
});
it("creates a fresh stateful parser for each transcript build", () => {
const statefulAdapter: UIAdapterModule = {
type: "stateful_test",
label: "Stateful Test",
parseStdoutLine: (line, entryTs) => [{ kind: "stdout", ts: entryTs, text: line }],
createStdoutParser: () => {
let pending: string | null = null;
return {
parseLine: (line, entryTs) => {
if (line.startsWith("begin:")) {
pending = line.slice("begin:".length);
return [];
}
if (line === "finish" && pending) {
const text = `completed:${pending}`;
pending = null;
return [{ kind: "stdout", ts: entryTs, text }];
}
return [{ kind: "stdout", ts: entryTs, text: `literal:${line}` }];
},
reset: () => {
pending = null;
},
};
},
ConfigFields: () => null,
buildAdapterConfig: () => ({}),
};
const first = buildTranscript(
[{ ts, stream: "stdout", chunk: "begin:task-a\n" }],
statefulAdapter,
);
const second = buildTranscript(
[{ ts, stream: "stdout", chunk: "finish\n" }],
statefulAdapter,
);
expect(first).toEqual([]);
expect(second).toEqual([{ kind: "stdout", ts, text: "literal:finish" }]);
});
it("converts parser failures into transcript error entries and keeps going", () => {
const entries = buildTranscript(
[
{ ts, stream: "stdout", chunk: "ok\nexplode\nlater\n" },
],
(line, entryTs) => {
if (line === "explode") {
throw new Error("boom");
}
return [{ kind: "stdout", ts: entryTs, text: line }];
},
);
expect(entries).toEqual([
{ kind: "stdout", ts, text: "ok" },
{
kind: "result",
ts,
text: "Chat transcript error: boom. Falling back for line: explode",
inputTokens: 0,
outputTokens: 0,
cachedTokens: 0,
costUsd: 0,
subtype: "transcript_parse_error",
isError: true,
errors: [],
},
{ kind: "stdout", ts, text: "later" },
]);
});
it("resets stateful parsers after a failure before parsing later lines", () => {
const statefulAdapter: UIAdapterModule = {
type: "stateful_test",
label: "Stateful Test",
parseStdoutLine: (line, entryTs) => [{ kind: "stdout", ts: entryTs, text: line }],
createStdoutParser: () => {
let pending: string | null = null;
return {
parseLine: (line, entryTs) => {
if (line.startsWith("begin:")) {
pending = line.slice("begin:".length);
return [];
}
if (line === "explode") {
throw new Error(`bad state:${pending ?? "none"}`);
}
if (line === "finish" && pending) {
const text = `completed:${pending}`;
pending = null;
return [{ kind: "stdout", ts: entryTs, text }];
}
return [{ kind: "stdout", ts: entryTs, text: `literal:${line}` }];
},
reset: () => {
pending = null;
},
};
},
ConfigFields: () => null,
buildAdapterConfig: () => ({}),
};
const entries = buildTranscript(
[{ ts, stream: "stdout", chunk: "begin:task-a\nexplode\nfinish\n" }],
statefulAdapter,
);
expect(entries).toEqual([
{
kind: "result",
ts,
text: "Chat transcript error: bad state:task-a. Falling back for line: explode",
inputTokens: 0,
outputTokens: 0,
cachedTokens: 0,
costUsd: 0,
subtype: "transcript_parse_error",
isError: true,
errors: [],
},
{ kind: "stdout", ts, text: "literal:finish" },
]);
});
it("handles trailing buffered parser failures without throwing", () => {
const entries = buildTranscript(
[{ ts, stream: "stdout", chunk: "explode" }],
(line, entryTs) => {
if (line === "explode") {
throw new Error("trailing boom");
}
return [{ kind: "stdout", ts: entryTs, text: line }];
},
);
expect(entries).toEqual([
{
kind: "result",
ts,
text: "Chat transcript error: trailing boom. Falling back for line: explode",
inputTokens: 0,
outputTokens: 0,
cachedTokens: 0,
costUsd: 0,
subtype: "transcript_parse_error",
isError: true,
errors: [],
},
]);
});
});
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