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Add Toolkit class w/logging & exits

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Jonathan Clem 2019-04-19 17:00:42 -04:00
parent d90e9d7582
commit 39f7667028
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8 changed files with 348 additions and 8 deletions

3
.gitignore vendored Normal file
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node_modules/
packages/*/node_modules/
packages/*/lib/

9
package-lock.json generated
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import {Signale} from 'signale'
import {Exit, ExitCode} from '../src/exit'
describe('Exit', () => {
const tests: [keyof Exit, keyof Signale, ExitCode][] = [
['success', 'success', ExitCode.Success],
['neutral', 'info', ExitCode.Neutral],
['failure', 'fatal', ExitCode.Failure]
]
describe.each(tests)('%s', (method, log, code) => {
let logger: Signale
let exit: Exit
beforeEach(() => {
// Create a logger to mock
logger = new Signale()
logger.success = jest.fn()
logger.info = jest.fn()
logger.fatal = jest.fn()
process.exit = jest.fn<never, [number]>()
exit = new Exit(logger)
})
it('exits with the expected code', () => {
exit[method]()
expect(process.exit).toHaveBeenCalledWith(code)
})
it('logs the expected message', () => {
exit[method]('hello')
expect(logger[log]).toHaveBeenCalledWith('hello')
})
})
})

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@ -1,7 +1,29 @@
import {github} from '../src/toolkit'
import {Toolkit} from '../src/toolkit'
describe('@actions/toolkit', () => {
it('needs tests', () => {
expect(github()).toBe(true)
describe('Toolkit', () => {
it('runs a sync function', async () => {
const cb = jest.fn(() => true)
const value = await Toolkit.run(cb)
expect(cb).toHaveBeenCalledWith(expect.any(Toolkit))
expect(value).toBe(true)
})
it('runs an async function', async () => {
const cb = jest.fn(async () => true)
const value = await Toolkit.run(cb)
expect(cb).toHaveBeenCalledWith(expect.any(Toolkit))
expect(value).toBe(true)
})
it('logs and fails when an error occurs', async () => {
const err = new Error()
const exitFailure = jest.fn()
await Toolkit.run(async tk => {
tk.exit.failure = exitFailure
throw err
})
expect(exitFailure).toHaveBeenCalledWith(err)
})
})

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@ -47,6 +47,14 @@
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@ -114,6 +174,21 @@
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@ -31,6 +31,8 @@
"url": "https://github.com/actions/toolkit/issues"
},
"dependencies": {
"@octokit/rest": "^16.25.0"
}
"@octokit/rest": "^16.25.0",
"signale": "^1.4.0"
},
"devDependencies": {}
}

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import {Signale} from 'signale'
/**
* The code to exit an action
*/
export enum ExitCode {
Success = 0,
Failure = 1,
Neutral = 78
}
// TODO: These exit codes may not behave as expected on the new runtime, due to
// complexities of async logging and sync exiting.
/**
* A class that wraps some basic methods of exiting from an action
*/
export class Exit {
constructor(private readonly logger: Signale) {}
/**
* Stop the action with a "success" status.
*/
success(message?: string) {
if (message) this.logger.success(message)
process.exit(ExitCode.Success)
}
/**
* Stop the action with a "neutral" status.
*/
neutral(message?: string) {
if (message) this.logger.info(message)
process.exit(ExitCode.Neutral)
}
/**
* Stop the action with a "failed" status.
*/
failure(message?: string) {
if (message) this.logger.fatal(message)
process.exit(ExitCode.Failure)
}
}

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@ -1,3 +1,55 @@
export function github() {
return true
import {LoggerFunc, Signale} from 'signale'
import {Exit} from './exit'
export type ActionFn = (tools: Toolkit) => unknown
/**
* A set of tools for the Actions runtime
*/
export class Toolkit {
/**
* Run an asynchronous function that accepts a toolkit as its argument.
*
* If an error occurs, the error will be logged and the action will exit as a
* failure.
*/
static async run(func: ActionFn) {
const tools = new Toolkit()
try {
const ret = func(tools)
return ret instanceof Promise ? await ret : ret
} catch (err) {
tools.exit.failure(err)
}
}
/**
* A logger for the toolkit, an instance of [Signale](https://github.com/klaussinani/signale)
*/
readonly logger: Signale & LoggerFunc = this.wrapLogger(
new Signale({
config: {
underlineLabel: false
}
})
)
/**
* A wrapper around an instance of [[Exit]]
*/
readonly exit: Exit = new Exit(this.logger)
/**
* Wrap a Signale logger so that its a callable class
*/
private wrapLogger(logger: Signale) {
// Create a callable function
const fn = logger.info.bind(logger)
// Add the log methods onto the function
const wrapped = Object.assign(fn, logger)
// Clone the prototype
Object.setPrototypeOf(wrapped, logger)
return wrapped
}
}