feat: add testing with vitest

.github/workflows/ci.yaml

@@ -20,8 +20,8 @@ jobs:
       - name: "Run Biome"
         run: biome ci
 
-  build:
-    name: "Build"
+  test:
+    name: "Build & Test"
     runs-on: ubuntu-latest
     steps:
       - name: "Checkout the repository"
@@ -40,7 +40,10 @@ jobs:
         run: pnpm install
 
       - name: "Run Build"
-        run: pnpm run build
+        run: pnpm build
+
+      - name: "Run Tests"
+        run: pnpm test
 
   test-action:
     name: "Test Action"

.gitignore

@@ -42,4 +42,4 @@ lerna-debug.log*
 .eslintcache
 .turbo
 .build_cache
-temp
+.tmp/

package.json

@@ -10,6 +10,8 @@
     "dev": "pnpm build --watch",
     "build": "tsup src/index.ts --treeshake --minify --clean",
     "typecheck": "tsc",
+    "test": "vitest run",
+    "test:watch": "vitest",
     "lint": "biome lint",
     "lint:fix": "biome lint -w",
     "format": "biome format --write",

src/main.test.ts

@@ -0,0 +1,75 @@
+import * as fs from "node:fs/promises";
+import path from "node:path";
+import * as core from "@actions/core";
+import { exec } from "@actions/exec";
+import {
+  afterEach,
+  beforeAll,
+  beforeEach,
+  describe,
+  expect,
+  test,
+  vi,
+} from "vitest";
+import { main } from "./main";
+
+const RUNNER_TEMP = path.join(process.cwd(), ".tmp");
+const RUNNER_TOOL_CACHE = path.join(RUNNER_TEMP, "./tool-cache");
+
+const verifyBinary = async (binPath: string | undefined, binary: string) => {
+  if (!binPath) throw new Error("Bin path not found");
+
+  const extension = process.platform === "win32" ? ".exe" : "";
+  const filePath = path.join(binPath, binary + extension);
+  expect(filePath.startsWith(RUNNER_TOOL_CACHE)).toBe(true);
+
+  // check if binary exists
+  await fs.lstat(filePath);
+
+  // try executing the binary
+  await exec(filePath, ["--version"]);
+};
+
+describe("action", () => {
+  beforeAll(async () => {
+    await fs.mkdir(RUNNER_TEMP, { recursive: true });
+    await fs.rm(RUNNER_TEMP, { recursive: true });
+  });
+
+  beforeEach(() => {
+    // set default values
+    vi.stubEnv("INPUT_CACHE", "true");
+    vi.stubEnv("INPUT_VERSION", "latest");
+    vi.stubEnv("INPUT_VERSION_REGEX", "(?<version>[\\d.]+)");
+    vi.stubEnv("RUNNER_TOOL_CACHE", RUNNER_TOOL_CACHE);
+    vi.stubEnv("RUNNER_TEMP", RUNNER_TEMP);
+  });
+
+  afterEach(() => {
+    vi.restoreAllMocks();
+  });
+
+  test("install infisical-cli", async () => {
+    vi.stubEnv("INPUT_PRESET", "infisical-cli");
+    const spy = vi.spyOn(core, "addPath");
+    await main();
+    expect(spy).toHaveBeenCalled();
+    await verifyBinary(spy.mock.lastCall?.[0], "infisical");
+  }, 10000);
+
+  test("install cloud-sql-proxy", async () => {
+    vi.stubEnv("INPUT_PRESET", "cloud-sql-proxy");
+    const spy = vi.spyOn(core, "addPath");
+    await main();
+    expect(spy).toHaveBeenCalled();
+    await verifyBinary(spy.mock.lastCall?.[0], "cloud-sql-proxy");
+  }, 10000);
+
+  test("install github-cli", async () => {
+    vi.stubEnv("INPUT_PRESET", "github-cli");
+    const spy = vi.spyOn(core, "addPath");
+    await main();
+    expect(spy).toHaveBeenCalled();
+    await verifyBinary(spy.mock.lastCall?.[0], "gh");
+  }, 10000);
+});