1 files changed, 172 insertions, 0 deletions
diff --git a/test/cli/install/bun-run.test.ts b/test/cli/install/bun-run.test.ts
new file mode 100644
index 000000000..95f33ebb8
--- /dev/null
+++ b/test/cli/install/bun-run.test.ts
@@ -0,0 +1,172 @@
+import { file, spawn } from "bun";
+import { afterEach, beforeEach, expect, it } from "bun:test";
+import { bunExe, bunEnv as env } from "harness";
+import { mkdtemp, realpath, rm, writeFile } from "fs/promises";
+import { tmpdir } from "os";
+import { join } from "path";
+import { readdirSorted } from "./dummy.registry";
+
+let run_dir: string;
+
+beforeEach(async () => {
+  run_dir = await realpath(await mkdtemp(join(tmpdir(), "bun-run.test")));
+});
+afterEach(async () => {
+  await rm(run_dir, { force: true, recursive: true });
+});
+
+it("should download dependency to run local file", async () => {
+  await writeFile(
+    join(run_dir, "test.js"),
+    `
+const { minify } = require("uglify-js@3.17.4");
+
+console.log(minify("print(6 * 7)").code);
+  `,
+  );
+  const {
+    stdout: stdout1,
+    stderr: stderr1,
+    exited: exited1,
+  } = spawn({
+    cmd: [bunExe(), "run", "test.js"],
+    cwd: run_dir,
+    stdout: null,
+    stdin: "pipe",
+    stderr: "pipe",
+    env: {
+      ...env,
+      BUN_INSTALL_CACHE_DIR: join(run_dir, ".cache"),
+    },
+  });
+  expect(stderr1).toBeDefined();
+  const err1 = await new Response(stderr1).text();
+  expect(err1).toBe("");
+  expect(await readdirSorted(run_dir)).toEqual([".cache", "test.js"]);
+  expect(await readdirSorted(join(run_dir, ".cache"))).toContain("uglify-js");
+  expect(await readdirSorted(join(run_dir, ".cache", "uglify-js"))).toEqual(["3.17.4"]);
+  expect(stdout1).toBeDefined();
+  const out1 = await new Response(stdout1).text();
+  expect(out1.split(/\r?\n/)).toEqual(["print(42);", ""]);
+  expect(await exited1).toBe(0);
+  // Perform `bun test.js` with cached dependencies
+  const {
+    stdout: stdout2,
+    stderr: stderr2,
+    exited: exited2,
+  } = spawn({
+    cmd: [bunExe(), "test.js"],
+    cwd: run_dir,
+    stdout: null,
+    stdin: "pipe",
+    stderr: "pipe",
+    env: {
+      ...env,
+      BUN_INSTALL_CACHE_DIR: join(run_dir, ".cache"),
+    },
+  });
+  expect(stderr2).toBeDefined();
+  const err2 = await new Response(stderr2).text();
+  expect(err2).toBe("");
+  expect(await readdirSorted(run_dir)).toEqual([".cache", "test.js"]);
+  expect(await readdirSorted(join(run_dir, ".cache"))).toContain("uglify-js");
+  expect(await readdirSorted(join(run_dir, ".cache", "uglify-js"))).toEqual(["3.17.4"]);
+  expect(stdout2).toBeDefined();
+  const out2 = await new Response(stdout2).text();
+  expect(out2.split(/\r?\n/)).toEqual(["print(42);", ""]);
+  expect(await exited2).toBe(0);
+});
+
+it("should download dependencies to run local file", async () => {
+  await writeFile(
+    join(run_dir, "test.js"),
+    `
+import { file } from "bun";
+import decompress from "decompress@4.2.1";
+
+const buffer = await file("${join(import.meta.dir, "baz-0.0.3.tgz")}").arrayBuffer();
+for (const entry of await decompress(Buffer.from(buffer))) {
+  console.log(\`\${entry.type}: \${entry.path}\`);
+}
+  `,
+  );
+  const {
+    stdout: stdout1,
+    stderr: stderr1,
+    exited: exited1,
+  } = spawn({
+    cmd: [bunExe(), "test.js"],
+    cwd: run_dir,
+    stdout: null,
+    stdin: "pipe",
+    stderr: "pipe",
+    env: {
+      ...env,
+      BUN_INSTALL_CACHE_DIR: join(run_dir, ".cache"),
+    },
+  });
+  expect(stderr1).toBeDefined();
+  const err1 = await new Response(stderr1).text();
+  expect(err1).toBe("");
+  expect(await readdirSorted(run_dir)).toEqual([".cache", "test.js"]);
+  expect(await readdirSorted(join(run_dir, ".cache"))).toContain("decompress");
+  expect(await readdirSorted(join(run_dir, ".cache", "decompress"))).toEqual(["4.2.1"]);
+  expect(await readdirSorted(join(run_dir, ".cache", "decompress", "4.2.1"))).toEqual([
+    "index.js",
+    "license",
+    "package.json",
+    "readme.md",
+  ]);
+  expect(await file(join(run_dir, ".cache", "decompress", "4.2.1", "index.js")).text()).toContain(
+    "\nmodule.exports = ",
+  );
+  expect(stdout1).toBeDefined();
+  const out1 = await new Response(stdout1).text();
+  expect(out1.split(/\r?\n/)).toEqual([
+    "directory: package/",
+    "file: package/index.js",
+    "file: package/package.json",
+    "",
+  ]);
+  expect(await exited1).toBe(0);
+  // Perform `bun run test.js` with cached dependencies
+  const {
+    stdout: stdout2,
+    stderr: stderr2,
+    exited: exited2,
+  } = spawn({
+    cmd: [bunExe(), "run", "test.js"],
+    cwd: run_dir,
+    stdout: null,
+    stdin: "pipe",
+    stderr: "pipe",
+    env: {
+      ...env,
+      BUN_INSTALL_CACHE_DIR: join(run_dir, ".cache"),
+    },
+  });
+  expect(stderr2).toBeDefined();
+  const err2 = await new Response(stderr2).text();
+  expect(err2).toBe("");
+  expect(await readdirSorted(run_dir)).toEqual([".cache", "test.js"]);
+  expect(await readdirSorted(join(run_dir, ".cache"))).toContain("decompress");
+  expect(await readdirSorted(join(run_dir, ".cache", "decompress"))).toEqual(["4.2.1"]);
+  expect(await readdirSorted(join(run_dir, ".cache", "decompress", "4.2.1"))).toEqual([
+    "index.js",
+    "license",
+    "package.json",
+    "readme.md",
+  ]);
+  expect(await file(join(run_dir, ".cache", "decompress", "4.2.1", "index.js")).text()).toContain(
+    "\nmodule.exports = ",
+  );
+  expect(stdout2).toBeDefined();
+  const out2 = await new Response(stdout2).text();
+  expect(out2.split(/\r?\n/)).toEqual([
+    "directory: package/",
+    "file: package/index.js",
+    "file: package/package.json",
+    "",
+  ]);
+  expect(await exited2).toBe(0);
+});