import * as fs from "fs" import { tmpdir } from "../../test/utils/constants" import { loggerModule } from "../utils/helpers" // jest.mock is hoisted above the imports so we must use `require` here. jest.mock("@coder/logger", () => require("../utils/helpers").loggerModule) describe("constants", () => { beforeAll(() => { jest.clearAllMocks() jest.resetModules() }) describe("with package.json defined", () => { const { getPackageJson } = require("../../src/node/constants") let mockPackageJson = { name: "mock-code-server", description: "Run VS Code on a remote server.", repository: "https://github.com/cdr/code-server", version: "1.0.0", commit: "f6b2be2838f4afb217c2fd8f03eafedd8d55ef9b", } let version = "" let commit = "" beforeEach(() => { jest.mock("../../package.json", () => mockPackageJson, { virtual: true }) commit = require("../../src/node/constants").commit version = require("../../src/node/constants").version }) afterAll(() => { jest.clearAllMocks() jest.resetModules() }) it("should provide the commit", () => { expect(commit).toBe("f6b2be2838f4afb217c2fd8f03eafedd8d55ef9b") }) it("should return the package.json version", () => { expect(version).toBe(mockPackageJson.version) }) describe("getPackageJson", () => { it("should log a warning if package.json not found", () => { const expectedErrorMessage = "Cannot find module './package.json' from 'src/node/constants.ts'" getPackageJson("./package.json") expect(loggerModule.logger.warn).toHaveBeenCalled() expect(loggerModule.logger.warn).toHaveBeenCalledWith(expectedErrorMessage) }) it("should find the package.json", () => { // the function calls require from src/node/constants // so to get the root package.json we need to use ../../ const packageJson = getPackageJson("../../package.json") expect(Object.keys(packageJson).length).toBeGreaterThan(0) expect(packageJson.name).toBe("mock-code-server") expect(packageJson.description).toBe("Run VS Code on a remote server.") expect(packageJson.repository).toBe("https://github.com/cdr/code-server") }) }) }) describe("with incomplete package.json", () => { let mockPackageJson = { name: "mock-code-server", } let version = "" let commit = "" beforeEach(() => { jest.mock("../../package.json", () => mockPackageJson, { virtual: true }) version = require("../../src/node/constants").version commit = require("../../src/node/constants").commit }) afterEach(() => { jest.clearAllMocks() jest.resetModules() }) it("version should return 'development'", () => { expect(version).toBe("development") }) it("commit should return 'development'", () => { expect(commit).toBe("development") }) }) }) describe("test constants", () => { describe("tmpdir", () => { it("should return a temp directory", async () => { const testName = "temp-dir" const pathToTempDir = await tmpdir(testName) expect(pathToTempDir).toContain(testName) await fs.promises.rmdir(pathToTempDir) }) }) })