e8443e2602
It errors that jest is not defined so put it behind a function instead of immediately creating the mock (this is probably a better pattern anyway). The constant tests had to be reworked a little. Since the logger mock is hoisted it runs before createLoggerMock is imported. I moved it into a beforeAll which means the require call also needed to be moved there (since we need to mock the logger before requiring the constants or it'll pull the non-mocked logger). This means getPackageJson needs to be a let and assigned afterward. To avoid having to define a type for getPackageJson I just added a let var set to the type of the imported constants file and modified the other areas to use the same paradigm. I also replaced some hardcoded strings with the mocked package.json object.
77 lines
2.3 KiB
TypeScript
77 lines
2.3 KiB
TypeScript
import { createLoggerMock } from "../utils/helpers"
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describe("constants", () => {
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let constants: typeof import("../../src/node/constants")
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describe("with package.json defined", () => {
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const loggerModule = createLoggerMock()
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const mockPackageJson = {
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name: "mock-code-server",
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description: "Run VS Code on a remote server.",
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repository: "https://github.com/cdr/code-server",
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version: "1.0.0",
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commit: "f6b2be2838f4afb217c2fd8f03eafedd8d55ef9b",
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}
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beforeAll(() => {
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jest.mock("@coder/logger", () => loggerModule)
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jest.mock("../../package.json", () => mockPackageJson, { virtual: true })
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constants = require("../../src/node/constants")
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})
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afterAll(() => {
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jest.clearAllMocks()
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jest.resetModules()
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})
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it("should provide the commit", () => {
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expect(constants.commit).toBe(mockPackageJson.commit)
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})
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it("should return the package.json version", () => {
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expect(constants.version).toBe(mockPackageJson.version)
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})
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describe("getPackageJson", () => {
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it("should log a warning if package.json not found", () => {
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const expectedErrorMessage = "Cannot find module './package.json' from 'src/node/constants.ts'"
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constants.getPackageJson("./package.json")
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expect(loggerModule.logger.warn).toHaveBeenCalled()
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expect(loggerModule.logger.warn).toHaveBeenCalledWith(expectedErrorMessage)
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})
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it("should find the package.json", () => {
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// the function calls require from src/node/constants
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// so to get the root package.json we need to use ../../
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const packageJson = constants.getPackageJson("../../package.json")
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expect(packageJson).toStrictEqual(mockPackageJson)
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})
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})
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})
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describe("with incomplete package.json", () => {
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const mockPackageJson = {
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name: "mock-code-server",
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}
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beforeAll(() => {
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jest.mock("../../package.json", () => mockPackageJson, { virtual: true })
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constants = require("../../src/node/constants")
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})
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afterAll(() => {
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jest.clearAllMocks()
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jest.resetModules()
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})
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it("version should return 'development'", () => {
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expect(constants.version).toBe("development")
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})
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it("commit should return 'development'", () => {
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expect(constants.commit).toBe("development")
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})
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})
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})
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