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Plugin discovery, esbuild builds (optional peer dependency), vm evaluation with pluginFile and mapStack, dependency installs, a watcher with dirty marks and rollout across hosts; host.load and host.reload per plugin with the closure rule; examples 35-39 as folders with real plugin directories.
62 lines
2.9 KiB
TypeScript
62 lines
2.9 KiB
TypeScript
// Tests of installing a plugin's dependencies (slice 7c §5): the npm arguments, run in the plugin's real directory,
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// the command overridable; a failure and an abort reject.
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import { readFile, realpath, symlink } from "node:fs/promises";
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import { join } from "node:path";
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import { describe, expect, it } from "vitest";
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import { BACKGROUND_CONTEXT as context, withCancel } from "../../../src/context/index.ts";
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import { discoverPlugins, installDependencies } from "../../../src/next-node/plugins/index.ts";
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import { rejection } from "../../next/support.ts";
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import { KINDS, tempRoot, writeFiles, writePlugin } from "./support.ts";
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/** A fake npm (a Node script) that records its arguments and directory, and exits with `code` after `delayMs`. */
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async function fakeNpm(dir: string, code: number, delayMs = 0): Promise<readonly string[]> {
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const script = join(dir, "fake-npm.mjs");
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await writeFiles(dir, {
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"fake-npm.mjs": [
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'import { writeFileSync } from "node:fs";',
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`writeFileSync(${JSON.stringify(join(dir, "record.json"))}, JSON.stringify({ args: process.argv.slice(2), cwd: process.cwd() }));`,
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`setTimeout(() => { if (${code} !== 0) console.error("npm said no"); process.exit(${code}); }, ${delayMs});`,
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].join("\n"),
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});
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return [process.execPath, script];
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}
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describe("installDependencies", () => {
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it("runs npm install without dev dependencies, peers, scripts, audit or funding, in the plugin's real directory", async () => {
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const tools = await tempRoot();
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const elsewhere = await tempRoot();
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const root = await tempRoot();
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const dir = await writePlugin(
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elsewhere,
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"deps",
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"@test/deps",
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{ "worker.ts": "" },
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{ dependencies: { a: "1.0.0" } },
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);
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await symlink(dir, join(root, "deps"));
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const { plugins } = await discoverPlugins([root], { kinds: KINDS }, context);
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await installDependencies(plugins[0]!, context, { npmCommand: await fakeNpm(tools, 0) });
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expect(JSON.parse(await readFile(join(tools, "record.json"), "utf8"))).toEqual({
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args: ["install", "--omit=dev", "--legacy-peer-deps", "--ignore-scripts", "--no-audit", "--no-fund"],
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cwd: await realpath(dir),
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});
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});
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it("rejects with the command's output when it fails, and when the context aborts", async () => {
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const tools = await tempRoot();
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const root = await tempRoot();
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await writePlugin(root, "deps", "@test/deps", {});
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const { plugins } = await discoverPlugins([root], { kinds: KINDS }, context);
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const plugin = plugins[0]!;
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expect(
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await rejection(installDependencies(plugin, context, { npmCommand: await fakeNpm(tools, 1) })),
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).toMatchObject({
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message: expect.stringMatching(/^plugin "@test\/deps": .* install failed \(exit 1\): npm said no$/),
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});
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const { context: aborted, cancel } = withCancel(context);
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const running = installDependencies(plugin, aborted, { npmCommand: await fakeNpm(tools, 0, 5_000) });
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setTimeout(() => cancel(new Error("stop")), 50);
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expect(await rejection(running)).toMatchObject({ name: "AbortError" });
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});
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});
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