feat: add tests for constants

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Joe Previte 2021-02-08 16:21:37 -07:00
parent 719481e84e
commit a2a6122252
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1 changed files with 58 additions and 0 deletions

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test/constants.test.ts Normal file
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// Note: we need to import logger from the root
// because this is the logger used in logError in ../src/common/util
import { logger } from "../node_modules/@coder/logger"
import { commit, getPackageJson, version } from "../src/node/constants"
describe("constants", () => {
describe("getPackageJson", () => {
let spy: jest.SpyInstance
beforeEach(() => {
spy = jest.spyOn(logger, "warn")
})
afterEach(() => {
jest.clearAllMocks()
})
afterAll(() => {
jest.restoreAllMocks()
})
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(spy).toHaveBeenCalled()
expect(spy).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("code-server")
expect(packageJson.description).toBe("Run VS Code on a remote server.")
expect(packageJson.repository).toBe("https://github.com/cdr/code-server")
})
})
describe("version", () => {
it("should return the package.json version", () => {
// Source: https://gist.github.com/jhorsman/62eeea161a13b80e39f5249281e17c39#gistcomment-2896416
const validSemVar = new RegExp("^(0|[1-9]d*).(0|[1-9]d*).(0|[1-9]d*)")
const isValidSemVar = validSemVar.test(version)
expect(version).not.toBe(null)
expect(isValidSemVar).toBe(true)
})
})
describe("commit", () => {
it("should return 'development' if commit is undefined", () => {
// In development, the commit is not stored in our package.json
// But when we build code-server and release it, it is
expect(commit).toBe("development")
})
})
})