27 lines
594 B
JavaScript
27 lines
594 B
JavaScript
'use strict'
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const test = require('tap').test
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const build = require('..')
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test('emit should emit a given code only once', t => {
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t.plan(4)
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const { create, emit, emitted } = build()
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process.on('warning', onWarning)
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function onWarning (warning) {
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t.equal(warning.name, 'FastifyDeprecation')
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t.equal(warning.code, 'CODE')
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t.equal(warning.message, 'Hello world')
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t.ok(emitted.get('CODE'))
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}
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create('FastifyDeprecation', 'CODE', 'Hello world')
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emit('CODE')
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emit('CODE')
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setImmediate(() => {
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process.removeListener('warning', onWarning)
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t.end()
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})
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})
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