test(cli/init): refactor init.test.ts

oven-sh · Jan 11, 2025 · 05dd987 · 05dd987
1 parent a81b130
commit 05dd987
Showing 1 changed file with 93 additions and 67 deletions.
diff --git a/test/cli/init/init.test.ts b/test/cli/init/init.test.ts
@@ -1,78 +1,104 @@
-import { expect, test } from "bun:test";
+import type { SyncSubprocess } from "bun";
+import { describe, beforeAll, afterAll, expect, test, it, jest } from "bun:test";
 import fs from "fs";
 import { bunEnv, bunExe, tmpdirSync } from "harness";
 import path from "path";
 
-test("bun init works", () => {
-  const temp = tmpdirSync();
+jest.setTimeout(30_000);
 
-  const out = Bun.spawnSync({
-    cmd: [bunExe(), "init", "-y"],
-    cwd: temp,
-    stdio: ["ignore", "inherit", "inherit"],
-    env: bunEnv,
+/** package.json, README.md not included */
+const filesCreated = ["index.ts", ".gitignore", "node_modules", "tsconfig.json", "bunfig.toml"];
+
+const defaultPackageJson = ({ name }) => ({
+  "name": name,
+  "module": "index.ts",
+  "type": "module",
+  "devDependencies": {
+    "@types/bun": "latest",
+  },
+  "peerDependencies": {
+    "typescript": "^5.0.0",
+  },
+});
+
+describe("`bun init -y`", () => {
+  let temp: string;
+  let out: SyncSubprocess<"ignore", "inherit">;
+
+  beforeAll(() => {
+    temp = tmpdirSync();
+    out = Bun.spawnSync({
+      cmd: [bunExe(), "init", "-y"],
+      cwd: temp,
+      stdio: ["ignore", "ignore", "inherit"],
+      env: bunEnv,
+    });
+  });
+
+  afterAll(() => {
+    Bun.$`rm -rf ${temp}`.nothrow();
+  });
+
+  it("exits successfully", () => {
+    expect(out).not.toHaveProperty("signal");
+    expect(out.exitCode).toBe(0);
+  });
+
+  it("creates the expected package.json", () => {
+    const pkg = JSON.parse(fs.readFileSync(path.join(temp, "package.json"), "utf8"));
+    const expected = defaultPackageJson({ name: path.basename(temp).toLowerCase() });
+    expect(pkg).toEqual(expected);
+  });
+
+  it("populates the README.md template", () => {
+    const readme = fs.readFileSync(path.join(temp, "README.md"), "utf8");
+    expect(readme).toStartWith("# " + path.basename(temp).toLowerCase() + "\n");
+    expect(readme).toInclude("v" + Bun.version.replaceAll("-debug", ""));
+    expect(readme).toInclude("index.ts");
   });
 
-  expect(out.signal).toBe(undefined);
-  expect(out.exitCode).toBe(0);
-
-  const pkg = JSON.parse(fs.readFileSync(path.join(temp, "package.json"), "utf8"));
-  expect(pkg).toEqual({
-    "name": path.basename(temp).toLowerCase(),
-    "module": "index.ts",
-    "type": "module",
-    "devDependencies": {
-      "@types/bun": "latest",
-    },
-    "peerDependencies": {
-      "typescript": "^5.0.0",
-    },
+  it.each(filesCreated)("creates %s", file => {
+    expect(fs.existsSync(path.join(temp, file))).toBeTrue();
   });
-  const readme = fs.readFileSync(path.join(temp, "README.md"), "utf8");
-  expect(readme).toStartWith("# " + path.basename(temp).toLowerCase() + "\n");
-  expect(readme).toInclude("v" + Bun.version.replaceAll("-debug", ""));
-  expect(readme).toInclude("index.ts");
-
-  expect(fs.existsSync(path.join(temp, "index.ts"))).toBe(true);
-  expect(fs.existsSync(path.join(temp, ".gitignore"))).toBe(true);
-  expect(fs.existsSync(path.join(temp, "node_modules"))).toBe(true);
-  expect(fs.existsSync(path.join(temp, "tsconfig.json"))).toBe(true);
-  expect(fs.existsSync(path.join(temp, "bunfig.toml"))).toBe(true);
-}, 30_000);
-
-test("bun init with piped cli", () => {
-  const temp = tmpdirSync();
-
-  const out = Bun.spawnSync({
-    cmd: [bunExe(), "init"],
-    cwd: temp,
-    stdio: [new Blob(["\n\n\n\n\n\n\n\n\n\n\n\n"]), "inherit", "inherit"],
-    env: bunEnv,
+});
+
+describe("`bun init` wth piped cli", () => {
+  let temp: string;
+  let out: SyncSubprocess;
+
+  beforeAll(() => {
+    temp = tmpdirSync();
+    out = Bun.spawnSync({
+      cmd: [bunExe(), "init"],
+      cwd: temp,
+      stdio: [new Blob(["\n".repeat(12)]), "ignore", "inherit"],
+      env: bunEnv,
+    });
+  });
+
+  afterAll(() => {
+    Bun.$`rm -rf ${temp}`.nothrow();
+  });
+
+  it("exits successfully", () => {
+    expect(out).not.toHaveProperty("signal");
+    expect(out.exitCode).toBe(0);
+  });
+
+  it("creates the expected package.json", () => {
+    const pkg = JSON.parse(fs.readFileSync(path.join(temp, "package.json"), "utf8"));
+    const expected = defaultPackageJson({ name: path.basename(temp).toLowerCase() });
+    expect(pkg).toEqual(expected);
+  });
+
+  it("populates the README.md template", () => {
+    const readme = fs.readFileSync(path.join(temp, "README.md"), "utf8");
+    expect(readme).toStartWith("# " + path.basename(temp).toLowerCase() + "\n");
+    expect(readme).toInclude("v" + Bun.version.replaceAll("-debug", ""));
+    expect(readme).toInclude("index.ts");
   });
 
-  expect(out.signal).toBe(undefined);
-  expect(out.exitCode).toBe(0);
-
-  const pkg = JSON.parse(fs.readFileSync(path.join(temp, "package.json"), "utf8"));
-  expect(pkg).toEqual({
-    "name": path.basename(temp).toLowerCase(),
-    "module": "index.ts",
-    "type": "module",
-    "devDependencies": {
-      "@types/bun": "latest",
-    },
-    "peerDependencies": {
-      "typescript": "^5.0.0",
-    },
+  it.each(filesCreated)("creates %s", file => {
+    expect(fs.existsSync(path.join(temp, file))).toBeTrue();
   });
-  const readme = fs.readFileSync(path.join(temp, "README.md"), "utf8");
-  expect(readme).toStartWith("# " + path.basename(temp).toLowerCase() + "\n");
-  expect(readme).toInclude("v" + Bun.version.replaceAll("-debug", ""));
-  expect(readme).toInclude("index.ts");
-
-  expect(fs.existsSync(path.join(temp, "index.ts"))).toBe(true);
-  expect(fs.existsSync(path.join(temp, ".gitignore"))).toBe(true);
-  expect(fs.existsSync(path.join(temp, "node_modules"))).toBe(true);
-  expect(fs.existsSync(path.join(temp, "tsconfig.json"))).toBe(true);
-  expect(fs.existsSync(path.join(temp, "bunfig.toml"))).toBe(true);
-}, 30_000);
+});