refactor: match /test/unit structure to /src

test/unit/node/constants.test.ts

@@ -0,0 +1,76 @@
+import { createLoggerMock } from "../../utils/helpers"
+
+describe("constants", () => {
+  let constants: typeof import("../../../src/node/constants")
+
+  describe("with package.json defined", () => {
+    const loggerModule = createLoggerMock()
+    const 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",
+    }
+
+    beforeAll(() => {
+      jest.mock("@coder/logger", () => loggerModule)
+      jest.mock("../../../package.json", () => mockPackageJson, { virtual: true })
+      constants = require("../../../src/node/constants")
+    })
+
+    afterAll(() => {
+      jest.clearAllMocks()
+      jest.resetModules()
+    })
+
+    it("should provide the commit", () => {
+      expect(constants.commit).toBe(mockPackageJson.commit)
+    })
+
+    it("should return the package.json version", () => {
+      expect(constants.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'"
+
+        constants.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 = constants.getPackageJson("../../package.json")
+        expect(packageJson).toStrictEqual(mockPackageJson)
+      })
+    })
+  })
+
+  describe("with incomplete package.json", () => {
+    const mockPackageJson = {
+      name: "mock-code-server",
+    }
+
+    beforeAll(() => {
+      jest.mock("../../../package.json", () => mockPackageJson, { virtual: true })
+      constants = require("../../../src/node/constants")
+    })
+
+    afterAll(() => {
+      jest.clearAllMocks()
+      jest.resetModules()
+    })
+
+    it("version should return 'development'", () => {
+      expect(constants.version).toBe("development")
+    })
+    it("commit should return 'development'", () => {
+      expect(constants.commit).toBe("development")
+    })
+  })
+})