42 lines
1.3 KiB
TypeScript
42 lines
1.3 KiB
TypeScript
import { promises as fs } from "fs"
|
|
import { tmpdir, useEnv } from "../../test/utils/helpers"
|
|
|
|
/**
|
|
* This file is for testing test helpers (not core code).
|
|
*/
|
|
describe("test helpers", () => {
|
|
it("should return a temp directory", async () => {
|
|
const testName = "temp-dir"
|
|
const pathToTempDir = await tmpdir(testName)
|
|
expect(pathToTempDir).toContain(testName)
|
|
expect(fs.access(pathToTempDir)).resolves.toStrictEqual(undefined)
|
|
})
|
|
})
|
|
|
|
describe("useEnv", () => {
|
|
beforeAll(() => {
|
|
jest.resetModules()
|
|
process.env.TEST_USE_ENV = "test environment variable"
|
|
})
|
|
afterAll(() => {
|
|
delete process.env.TEST_USE_ENV
|
|
})
|
|
it("should set and reset the env var", () => {
|
|
const envKey = "TEST_ENV_VAR"
|
|
const [setValue, resetValue] = useEnv(envKey)
|
|
setValue("hello-world")
|
|
expect(process.env[envKey]).toEqual("hello-world")
|
|
resetValue()
|
|
expect(process.env[envKey]).toEqual(undefined)
|
|
})
|
|
it("should set and reset the env var where a value was already set", () => {
|
|
const envKey = "TEST_USE_ENV"
|
|
expect(process.env[envKey]).toEqual("test environment variable")
|
|
const [setValue, resetValue] = useEnv(envKey)
|
|
setValue("hello there")
|
|
expect(process.env[envKey]).toEqual("hello there")
|
|
resetValue()
|
|
expect(process.env[envKey]).toEqual("test environment variable")
|
|
})
|
|
})
|