javascript-action/__tests__/main.test.js

97 lines
2.6 KiB
JavaScript

/**
* Unit tests for the action's main functionality, src/main.js
*/
const core = require('@actions/core')
const main = require('../src/main')
// Mock the GitHub Actions core library
const debugMock = jest.spyOn(core, 'debug').mockImplementation()
const getInputMock = jest.spyOn(core, 'getInput').mockImplementation()
const setFailedMock = jest.spyOn(core, 'setFailed').mockImplementation()
const setOutputMock = jest.spyOn(core, 'setOutput').mockImplementation()
// Mock the action's main function
const runMock = jest.spyOn(main, 'run')
// Other utilities
const timeRegex = /^\d{2}:\d{2}:\d{2}/
describe('action', () => {
beforeEach(() => {
jest.clearAllMocks()
})
it('sets the time output', async () => {
// Set the action's inputs as return values from core.getInput()
getInputMock.mockImplementation(name => {
switch (name) {
case 'milliseconds':
return '500'
default:
return ''
}
})
await main.run()
expect(runMock).toHaveReturned()
// Verify that all of the core library functions were called correctly
expect(debugMock).toHaveBeenNthCalledWith(1, 'Waiting 500 milliseconds ...')
expect(debugMock).toHaveBeenNthCalledWith(
2,
expect.stringMatching(timeRegex)
)
expect(debugMock).toHaveBeenNthCalledWith(
3,
expect.stringMatching(timeRegex)
)
expect(setOutputMock).toHaveBeenNthCalledWith(
1,
'time',
expect.stringMatching(timeRegex)
)
})
it('sets a failed status', async () => {
// Set the action's inputs as return values from core.getInput()
getInputMock.mockImplementation(name => {
switch (name) {
case 'milliseconds':
return 'this is not a number'
default:
return ''
}
})
await main.run()
expect(runMock).toHaveReturned()
// Verify that all of the core library functions were called correctly
expect(setFailedMock).toHaveBeenNthCalledWith(
1,
'milliseconds not a number'
)
})
it('fails if no input is provided', async () => {
// Set the action's inputs as return values from core.getInput()
getInputMock.mockImplementation(name => {
switch (name) {
case 'milliseconds':
throw new Error('Input required and not supplied: milliseconds')
default:
return ''
}
})
await main.run()
expect(runMock).toHaveReturned()
// Verify that all of the core library functions were called correctly
expect(setFailedMock).toHaveBeenNthCalledWith(
1,
'Input required and not supplied: milliseconds'
)
})
})