aaac7fed
 liuqimichale
add
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'use strict'
const assert = require('chai').assert
const proxyquire = require('proxyquire')
const spooks = require('spooks')
const Promise = require('bluebird')
const modulePath = '../../src/unpipe'
suite('unpipe:', () => {
test('require does not throw', () => {
assert.doesNotThrow(() => {
require(modulePath)
})
})
test('require returns function', () => {
assert.isFunction(require(modulePath))
})
suite('require:', () => {
let log, results, unpipe
setup(() => {
log = {}
results = {
parse: [ Promise.resolve() ]
}
unpipe = proxyquire(modulePath, {
'./parse': spooks.fn({
name: 'parse',
log: log,
results: results.parse
})
})
})
test('unpipe expects two arguments', () => {
assert.lengthOf(unpipe, 2)
})
test('unpipe does not throw', () => {
assert.doesNotThrow(() => {
unpipe(() => {})
})
})
test('unpipe throws if callback is not provided', () => {
assert.throws(() => {
unpipe()
})
})
test('parse was not called', () => {
assert.strictEqual(log.counts.parse, 0)
})
suite('unpipe success:', () => {
let result, error, options
setup(done => {
results.parse[0] = Promise.resolve('foo')
options = { foo: 'bar', ndjson: true }
unpipe((err, res) => {
error = err
result = res
done()
}, options)
})
test('parse was called once', () => {
assert.strictEqual(log.counts.parse, 1)
})
test('parse was called correctly', () => {
assert.isUndefined(log.these.parse[0])
assert.lengthOf(log.args.parse[0], 2)
assert.isObject(log.args.parse[0][0])
assert.isTrue(log.args.parse[0][0].readable)
assert.isTrue(log.args.parse[0][0].writable)
assert.isFunction(log.args.parse[0][0].pipe)
assert.isFunction(log.args.parse[0][0].read)
assert.isFunction(log.args.parse[0][0]._read)
assert.isFunction(log.args.parse[0][0].write)
assert.isFunction(log.args.parse[0][0]._write)
assert.notStrictEqual(log.args.parse[0][1], options)
assert.deepEqual(log.args.parse[0][1], { foo: 'bar', ndjson: false })
})
test('parse result was returned', () => {
assert.strictEqual(result, 'foo')
})
test('did not fail', () => {
assert.isNull(error)
})
})
suite('unpipe error:', () => {
let result, error, options
setup(done => {
results.parse[0] = Promise.reject('bar')
options = {}
unpipe((err, res) => {
error = err
result = res
done()
}, options)
})
test('parse was called once', () => {
assert.strictEqual(log.counts.parse, 1)
})
test('parse result was not returned', () => {
assert.isUndefined(result)
})
test('failed', () => {
assert.strictEqual(error, 'bar')
})
})
})
})
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