sneak
7ded36d680
check / check (push) Successful in 1m27s
An error a command throws now reaches the user as one `quak: MESSAGE` line on stderr, and the CLI exits 1 once output has drained. The wrapper moved from bin/quak.ts to src/cli-run.ts so it can be tested, and bin/quak.ts awaits program.parseAsync() so async actions are awaited. Model: opus-5-5
59 lines
2.0 KiB
TypeScript
59 lines
2.0 KiB
TypeScript
/**
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* Tests for `run` in `src/cli-run.ts`, which every CLI command goes through.
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*/
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import { PassThrough } from "node:stream";
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import { describe, it, expect } from "vitest";
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import { run } from "../../src/cli-run.js";
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// A stream whose written text is kept in `text`; writes finish at once, so
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// nothing is left waiting to drain.
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const collector = (): { stream: PassThrough; text: () => string } => {
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const stream = new PassThrough();
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const chunks: string[] = [];
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stream.on("data", (chunk: Buffer) => chunks.push(chunk.toString()));
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return { stream, text: () => chunks.join("") };
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};
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const runToExit = async (
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command: Promise<number>,
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): Promise<{ code: number; stdout: string; stderr: string }> => {
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const stdout = collector();
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const stderr = collector();
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const code = await new Promise<number>((resolve) => {
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void run(command, stdout.stream, stderr.stream, resolve);
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});
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return { code, stdout: stdout.text(), stderr: stderr.text() };
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};
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describe("run", () => {
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it("exits with the code the command returns", async () => {
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const result = await runToExit(Promise.resolve(3));
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expect(result).toEqual({ code: 3, stdout: "", stderr: "" });
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});
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it("prints a thrown error as one line without a stack trace and exits 1", async () => {
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const failing = async (): Promise<number> => {
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throw new Error(
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"ENOTDIR: not a directory, mkdir '/dev/null/x/originals'",
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);
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};
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const result = await runToExit(failing());
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expect(result.code).toBe(1);
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expect(result.stdout).toBe("");
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expect(result.stderr).toBe(
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"quak: ENOTDIR: not a directory, mkdir '/dev/null/x/originals'\n",
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);
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});
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it("prints a thrown value that is not an Error", async () => {
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const result = await runToExit(Promise.reject("offline"));
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expect(result).toEqual({
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code: 1,
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stdout: "",
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stderr: "quak: offline\n",
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});
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});
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});
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