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28 lines
858 B
28 lines
858 B
const promisify = require('util').promisify; |
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const fs = require('fs'); |
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const exec = promisify(require('child_process').exec); |
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const mkdir = promisify(fs.mkdir); |
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const writeFile = promisify(fs.writeFile); |
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const assert = require('assert'); |
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const code = ` |
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const update = require('immutability-helper').default; |
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const state1 = ['x']; |
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const state2 = update(state1, {$push: ['y']}) |
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console.log(JSON.stringify(state2)); |
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` |
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Promise.resolve() |
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.then(() => mkdir('test-js-dir')) |
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.then(() => process.chdir('test-js-dir')) |
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.then(() => exec('npm init -y')) |
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.then(() => exec('npm install ../')) |
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.then(() => writeFile('foo.js', code)) |
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.then(() => exec('node foo')) |
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.then(result => assert.strictEqual(result.stdout.trim(), '["x","y"]')) |
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.then(() => process.exit(0)) |
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.catch(error => { |
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console.error('uncaught error', error); |
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process.exit(1); |
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});
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