mirror of https://git.tuxpa.in/a/code-server.git
55 lines
1.7 KiB
TypeScript
55 lines
1.7 KiB
TypeScript
import { promises as fs } from "fs"
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import { getAvailablePort, tmpdir, useEnv } from "../../test/utils/helpers"
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/**
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* This file is for testing test helpers (not core code).
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*/
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describe("test helpers", () => {
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it("should return a temp directory", async () => {
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const testName = "temp-dir"
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const pathToTempDir = await tmpdir(testName)
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expect(pathToTempDir).toContain(testName)
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expect(fs.access(pathToTempDir)).resolves.toStrictEqual(undefined)
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})
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})
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describe("useEnv", () => {
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beforeAll(() => {
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jest.resetModules()
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process.env.TEST_USE_ENV = "test environment variable"
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})
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afterAll(() => {
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delete process.env.TEST_USE_ENV
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})
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it("should set and reset the env var", () => {
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const envKey = "TEST_ENV_VAR"
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const [setValue, resetValue] = useEnv(envKey)
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setValue("hello-world")
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expect(process.env[envKey]).toEqual("hello-world")
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resetValue()
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expect(process.env[envKey]).toEqual(undefined)
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})
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it("should set and reset the env var where a value was already set", () => {
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const envKey = "TEST_USE_ENV"
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expect(process.env[envKey]).toEqual("test environment variable")
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const [setValue, resetValue] = useEnv(envKey)
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setValue("hello there")
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expect(process.env[envKey]).toEqual("hello there")
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resetValue()
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expect(process.env[envKey]).toEqual("test environment variable")
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})
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})
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describe("getAvailablePort", () => {
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it("should return a valid port", async () => {
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const port = await getAvailablePort()
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expect(port).toBeGreaterThan(0)
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expect(port).toBeLessThanOrEqual(65535)
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})
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it("should return different ports for different calls", async () => {
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const portOne = await getAvailablePort()
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const portTwo = await getAvailablePort()
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expect(portOne).not.toEqual(portTwo)
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})
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})
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