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@@ -1,39 +0,0 @@
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-import { Delays, greeter } from '../src/main.js'
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-
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-describe('greeter function', () => {
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- const name = 'John'
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- let hello: string
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-
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- let timeoutSpy: jest.SpyInstance
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-
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- // Act before assertions
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- beforeAll(async () => {
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- // Read more about fake timers
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- // http://facebook.github.io/jest/docs/en/timer-mocks.html#content
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- // Jest 27 now uses "modern" implementation of fake timers
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- // https://jestjs.io/blog/2021/05/25/jest-27#flipping-defaults
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- // https://github.com/facebook/jest/pull/5171
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- jest.useFakeTimers()
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- timeoutSpy = jest.spyOn(global, 'setTimeout')
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-
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- const p: Promise<string> = greeter(name)
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- jest.runOnlyPendingTimers()
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- hello = await p
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- })
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-
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- // Teardown (cleanup) after assertions
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- afterAll(() => {
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- timeoutSpy.mockRestore()
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- })
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-
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- // Assert if setTimeout was called properly
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- it('delays the greeting by 2 seconds', () => {
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- expect(setTimeout).toHaveBeenCalledTimes(1)
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- expect(setTimeout).toHaveBeenLastCalledWith(expect.any(Function), Delays.Long)
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- })
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-
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- // Assert greeter result
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- it('greets a user with `Hello, {name}` message', () => {
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- expect(hello).toBe(`Hello, ${name}`)
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- })
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-})
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