Files
openclaw/src/tui/tui-stream-assembler.test.ts

272 lines
10 KiB
TypeScript

// Verifies streamed TUI message assembly and display state updates.
import { describe, expect, it } from "vitest";
import { TuiStreamAssembler } from "./tui-stream-assembler.js";
const text = (value: string) => ({ type: "text", text: value }) as const;
const thinking = (value: string) => ({ type: "thinking", thinking: value }) as const;
const toolUse = () => ({ type: "tool_use", name: "search" }) as const;
const pairingQr = (terminalText: string) =>
({ type: "openclaw_pairing_qr", terminalText }) as const;
const messageWithContent = (content: readonly Record<string, unknown>[]) =>
({
role: "assistant",
content,
}) as const;
const TEXT_ONLY_TWO_BLOCKS = messageWithContent([text("Draft line 1"), text("Draft line 2")]);
type FinalizeBoundaryCase = {
name: string;
streamedContent: readonly Record<string, unknown>[];
finalContent: readonly Record<string, unknown>[];
expected: string;
};
const FINALIZE_BOUNDARY_CASES: FinalizeBoundaryCase[] = [
{
name: "preserves streamed text when tool-boundary final payload drops prefix blocks",
streamedContent: [text("Before tool call"), toolUse(), text("After tool call")],
finalContent: [toolUse(), text("After tool call")],
expected: "Before tool call\nAfter tool call",
},
{
name: "preserves streamed text when streamed run had non-text and final drops suffix blocks",
streamedContent: [text("Before tool call"), toolUse(), text("After tool call")],
finalContent: [text("Before tool call")],
expected: "Before tool call\nAfter tool call",
},
{
name: "prefers final text when non-text appears only in final payload",
streamedContent: [text("Draft line 1"), text("Draft line 2")],
finalContent: [toolUse(), text("Draft line 2")],
expected: "Draft line 2",
},
{
name: "keeps non-empty final text for plain text boundary drops",
streamedContent: [text("Draft line 1"), text("Draft line 2")],
finalContent: [text("Draft line 1")],
expected: "Draft line 1",
},
{
name: "prefers final replacement text when payload is not a boundary subset",
streamedContent: [text("Before tool call"), toolUse(), text("After tool call")],
finalContent: [toolUse(), text("Replacement")],
expected: "Replacement",
},
{
name: "accepts richer final payload when it extends streamed text",
streamedContent: [text("Before tool call")],
finalContent: [text("Before tool call"), text("After tool call")],
expected: "Before tool call\nAfter tool call",
},
];
describe("TuiStreamAssembler", () => {
it("keeps thinking before content even when thinking arrives later", () => {
const assembler = new TuiStreamAssembler();
const first = assembler.ingestDelta("run-1", messageWithContent([text("Hello")]), true);
expect(first).toBe("Hello");
const second = assembler.ingestDelta("run-1", messageWithContent([thinking("Brain")]), true);
expect(second).toBe("[thinking]\nBrain\n\nHello");
});
it("omits thinking when showThinking is false", () => {
const assembler = new TuiStreamAssembler();
const output = assembler.ingestDelta(
"run-2",
messageWithContent([thinking("Hidden"), text("Visible")]),
false,
);
expect(output).toBe("Visible");
});
it("tracks literal placeholder text as real displayable content until finalization", () => {
const assembler = new TuiStreamAssembler();
expect(assembler.hasDisplayText("run-literal-output")).toBe(false);
assembler.ingestDelta("run-literal-output", messageWithContent([text("(no output)")]), false);
expect(assembler.hasDisplayText("run-literal-output")).toBe(true);
expect(
assembler.finalize("run-literal-output", { role: "assistant", content: [] }, false),
).toBe("(no output)");
expect(assembler.hasDisplayText("run-literal-output")).toBe(false);
});
it("falls back to streamed text on empty final payload", () => {
const assembler = new TuiStreamAssembler();
assembler.ingestDelta("run-3", messageWithContent([text("Streamed")]), false);
const finalText = assembler.finalize("run-3", { role: "assistant", content: [] }, false);
expect(finalText).toBe("Streamed");
});
it("renders pairing QR terminal text from final assistant content", () => {
const assembler = new TuiStreamAssembler();
const finalText = assembler.finalize(
"run-pair-qr",
messageWithContent([
text("Scan this QR code with the OpenClaw iOS app:"),
pairingQr("\u001b[47m\u001b[30m█ ▄\u001b[0m"),
]),
false,
);
expect(finalText).toContain("Scan this QR code with the OpenClaw iOS app:");
expect(finalText).toContain("█ ▄");
expect(finalText).not.toContain("\u001b[47m");
expect(finalText).not.toBe("(no output)");
});
it("falls back to event error message when final payload has no renderable text", () => {
const assembler = new TuiStreamAssembler();
const finalText = assembler.finalize(
"run-3-error",
{ role: "assistant", content: [] },
false,
'401 {"error":{"message":"Missing scopes: model.request"}}',
);
expect(finalText).toContain("HTTP 401");
expect(finalText).toContain("Missing scopes: model.request");
});
it("returns null when delta text is unchanged", () => {
const assembler = new TuiStreamAssembler();
const first = assembler.ingestDelta("run-4", messageWithContent([text("Repeat")]), false);
expect(first).toBe("Repeat");
const second = assembler.ingestDelta("run-4", messageWithContent([text("Repeat")]), false);
expect(second).toBeNull();
});
it("bounds orphaned stream state while preserving recently active runs", () => {
const assembler = new TuiStreamAssembler();
for (let index = 0; index < 200; index += 1) {
assembler.ingestDelta(`run-${index}`, messageWithContent([text(`Draft ${index}`)]), false);
}
assembler.ingestDelta("run-0", messageWithContent([text("Recently active")]), false);
assembler.ingestDelta("run-200", messageWithContent([text("Newest")]), false);
expect(assembler.finalize("run-0", { role: "assistant", content: [] }, false)).toBe(
"Recently active",
);
expect(assembler.finalize("run-1", { role: "assistant", content: [] }, false)).toBe(
"(no output)",
);
expect(assembler.finalize("run-200", { role: "assistant", content: [] }, false)).toBe("Newest");
});
it("does not evict an active run when an evicted run finalizes late", () => {
const assembler = new TuiStreamAssembler();
for (let index = 0; index < 201; index += 1) {
assembler.ingestDelta(`run-${index}`, messageWithContent([text(`Draft ${index}`)]), false);
}
expect(assembler.finalize("run-0", messageWithContent([text("Late final")]), false)).toBe(
"Late final",
);
expect(assembler.finalize("run-1", { role: "assistant", content: [] }, false)).toBe("Draft 1");
});
it("keeps a live run available across thousands of orphaned stream updates", () => {
const assembler = new TuiStreamAssembler();
assembler.ingestDelta("run-live", messageWithContent([text("Still streaming")]), false);
for (let index = 0; index < 2_000; index += 1) {
assembler.ingestDelta(
`run-orphan-${index}`,
messageWithContent([text(`Draft ${index}`)]),
false,
);
if (index % 100 === 0) {
assembler.ingestDelta("run-live", messageWithContent([text("Still streaming")]), false);
}
}
expect(assembler.finalize("run-live", { role: "assistant", content: [] }, false)).toBe(
"Still streaming",
);
expect(assembler.finalize("run-orphan-0", { role: "assistant", content: [] }, false)).toBe(
"(no output)",
);
expect(assembler.finalize("run-orphan-1999", { role: "assistant", content: [] }, false)).toBe(
"Draft 1999",
);
});
it("protects a paused live stream across thousands of orphaned updates", () => {
const assembler = new TuiStreamAssembler((runId) => runId === "run-live");
assembler.ingestDelta("run-live", messageWithContent([text("Before the tool call")]), false);
for (let index = 0; index < 2_000; index += 1) {
assembler.ingestDelta(
`run-orphan-${index}`,
messageWithContent([text(`Draft ${index}`)]),
false,
);
}
expect(assembler.finalize("run-live", { role: "assistant", content: [] }, false)).toBe(
"Before the tool call",
);
expect(assembler.finalize("run-orphan-0", { role: "assistant", content: [] }, false)).toBe(
"(no output)",
);
expect(assembler.finalize("run-orphan-1999", { role: "assistant", content: [] }, false)).toBe(
"Draft 1999",
);
});
it("protects concurrent live streams without retaining abandoned runs", () => {
const protectedRuns = new Set(["run-first", "run-second"]);
const assembler = new TuiStreamAssembler((runId) => protectedRuns.has(runId));
assembler.ingestDelta("run-first", messageWithContent([text("First live response")]), false);
assembler.ingestDelta("run-second", messageWithContent([text("Second live response")]), false);
for (let index = 0; index < 500; index += 1) {
assembler.ingestDelta(
`run-orphan-${index}`,
messageWithContent([text(`Draft ${index}`)]),
false,
);
}
expect(assembler.finalize("run-first", { role: "assistant", content: [] }, false)).toBe(
"First live response",
);
expect(assembler.finalize("run-second", { role: "assistant", content: [] }, false)).toBe(
"Second live response",
);
expect(assembler.finalize("run-orphan-0", { role: "assistant", content: [] }, false)).toBe(
"(no output)",
);
});
it("keeps streamed delta text when incoming tool boundary drops a block", () => {
const assembler = new TuiStreamAssembler();
const first = assembler.ingestDelta("run-delta-boundary", TEXT_ONLY_TWO_BLOCKS, false);
expect(first).toBe("Draft line 1\nDraft line 2");
const second = assembler.ingestDelta(
"run-delta-boundary",
messageWithContent([toolUse(), text("Draft line 2")]),
false,
);
expect(second).toBeNull();
});
for (const testCase of FINALIZE_BOUNDARY_CASES) {
it(testCase.name, () => {
const assembler = new TuiStreamAssembler();
assembler.ingestDelta("run-boundary", messageWithContent(testCase.streamedContent), false);
const finalText = assembler.finalize(
"run-boundary",
messageWithContent(testCase.finalContent),
false,
);
expect(finalText).toBe(testCase.expected);
});
}
});