test: add unit tests

Used some code from https://github.com/aminya/install-cmake/

.gitignore

@@ -5,6 +5,7 @@ Thumbs.db
 # Node
 node_modules
 package-lock.json
+temp-*
 
 # TypeScript
 *.tsbuildinfo

jest.config.js

@@ -0,0 +1,9 @@
+module.exports = {
+  preset: "ts-jest",
+  testEnvironment: "node",
+  testMatch: ["**/*.test.ts"],
+  // coverage
+  collectCoverageFrom: ["src/**/*.{ts,tsx}"],
+  coveragePathIgnorePatterns: ["assets", ".css.d.ts"],
+  verbose: true,
+}

package.json

@@ -14,8 +14,9 @@
     "prepare": "npm run build",
     "test.format": "prettier . --check",
     "test.lint": "eslint .",
-    "test": "run-p test.format test.lint test.tsc"
     "test.tsc": "tsc --noEmit",
+    "test.unit": "jest",
+    "test": "run-p test.format test.lint test.tsc test.unit"
   },
   "engines": {
     "node": ">=12.x"
@@ -32,19 +33,23 @@
   "prettier": "prettier-config-atomic",
   "devDependencies": {
     "@actions/core": "^1.5.0",
+    "@actions/io": "^1.1.1",
     "@actions/tool-cache": "^1.7.1",
+    "@types/jest": "^27.0.1",
     "@types/node": "^16.9.1",
     "@types/semver": "^7.3.8",
     "cross-env": "7.0.3",
     "eslint-config-atomic": "^1.16.2",
     "hasha": "^5.2.2",
+    "jest": "^27.2.0",
+    "npm-run-all2": "^5.0.2",
     "parcel": "^2.0.0-rc.0",
     "prettier-config-atomic": "^2.0.5",
     "semver": "^7.3.5",
     "shx": "0.3.3",
     "terser-config-atomic": "^0.1.1",
-    "typescript": "^4.4.3",
-    "npm-run-all2": "^5.0.2"
+    "ts-jest": "^27.0.5",
+    "typescript": "^4.4.3"
   },
   "keywords": [
     "github-actions",

src/cmake/__tests__/cmake.test.ts

@@ -0,0 +1,41 @@
+import * as process from "process"
+import * as path from "path"
+import * as io from "@actions/io"
+import { setupCmake } from "../cmake"
+import { spawnSync as spawn } from "child_process"
+import { tmpdir } from "os"
+
+jest.setTimeout(30 * 1000)
+
+const tempDirectory = path.join(tmpdir(), "setup-cpp", "setup-cmake")
+
+describe("setup-cmake", () => {
+  beforeEach(async () => {
+    await io.rmRF(tempDirectory)
+    await io.mkdirP(tempDirectory)
+    process.env.INPUT_DESTINATION = tempDirectory
+    process.env.GITHUB_WORKSPACE = tempDirectory
+    process.env.RUNNER_TEMP = path.join(tempDirectory, "temp")
+    process.env.RUNNER_TOOL_CACHE = path.join(tempDirectory, "tempToolCache")
+  })
+
+  afterAll(async () => {
+    try {
+      await io.rmRF(tempDirectory)
+    } catch {
+      console.log("Failed to remove test directories")
+    }
+  }, 100000)
+
+  it("should download CMake", async () => {
+    const cmakePath = await setupCmake("3.20.2")
+    expect(cmakePath).toBeDefined()
+    expect(cmakePath).not.toHaveLength(0)
+
+    const { status, error } = spawn(cmakePath, ["--version"], {
+      encoding: "utf8",
+    })
+    expect(error).toBeUndefined()
+    expect(status).toBe(0)
+  })
+})

src/ninja/__tests__/ninja.test.ts

@@ -0,0 +1,40 @@
+import * as process from "process"
+import * as path from "path"
+import * as io from "@actions/io"
+import { setupNinja } from "../ninja"
+import { spawnSync as spawn } from "child_process"
+import { tmpdir } from "os"
+
+const tempDirectory = path.join(tmpdir(), "setup-cpp", "setup-ninja")
+
+jest.setTimeout(30 * 1000)
+
+describe("setup-ninja", () => {
+  beforeEach(async () => {
+    await io.rmRF(tempDirectory)
+    await io.mkdirP(tempDirectory)
+    process.env.INPUT_DESTINATION = tempDirectory
+    process.env.GITHUB_WORKSPACE = tempDirectory
+    process.env.RUNNER_TEMP = path.join(tempDirectory, "temp")
+    process.env.RUNNER_TOOL_CACHE = path.join(tempDirectory, "tempToolCache")
+  })
+
+  afterAll(async () => {
+    try {
+      await io.rmRF(tempDirectory)
+    } catch {
+      console.error("Failed to remove test directories")
+    }
+  }, 100000)
+
+  it("should fetch Ninja 1.10.2", async () => {
+    const ninjaPath = await setupNinja("1.10.2")
+    expect(ninjaPath).toBeDefined()
+    expect(ninjaPath).not.toHaveLength(0)
+
+    const { status } = spawn(ninjaPath, ["--version"], {
+      encoding: "utf8",
+    })
+    expect(status).toBe(0)
+  })
+})