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reciosonny/callbackUnitTest.js

Created May 17, 2020 14:38
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callbackUnitTest.js
//uppercase.js
function uppercase(str, callback) {
callback(str.toUpperCase())
}
module.exports = uppercase
//uppercase.test.js
const uppercase = require('./src/uppercase')
test(`uppercase 'test' to equal 'TEST'`, (done) => {
uppercase('test', (str) => {
expect(str).toBe('TEST')
done()
}
})
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