GoScrobble/web/node_modules/bfj/test/integration.js

430 lines
10 KiB
JavaScript

'use strict'
const assert = require('chai').assert
const fs = require('fs')
const path = require('path')
const Promise = require('bluebird')
const request = require('request')
const stream = require('stream')
const modulePath = '../src'
suite('integration:', () => {
let log
setup(() => {
log = {}
})
test('require does not throw', () => {
assert.doesNotThrow(() => {
require(modulePath)
})
})
test('require returns object', () => {
assert.isObject(require(modulePath))
})
suite('require:', () => {
let bfj
setup(() => {
bfj = require(modulePath)
})
test('walk function is exported', () => {
assert.isFunction(bfj.walk)
})
test('walk expects one argument', () => {
assert.lengthOf(bfj.walk, 1)
})
test('match function is exported', () => {
assert.isFunction(bfj.match)
})
test('match expects two arguments', () => {
assert.lengthOf(bfj.match, 2)
})
test('parse function is exported', () => {
assert.isFunction(bfj.parse)
})
test('parse expects one argument', () => {
assert.lengthOf(bfj.parse, 1)
})
test('read function is exported', () => {
assert.isFunction(bfj.read)
})
test('read expects two arguments', () => {
assert.lengthOf(bfj.read, 2)
})
test('eventify function is exported', () => {
assert.isFunction(bfj.eventify)
})
test('eventify expects one argument', () => {
assert.lengthOf(bfj.eventify, 1)
})
test('streamify function is exported', () => {
assert.isFunction(bfj.streamify)
})
test('streamify expects one argument', () => {
assert.lengthOf(bfj.streamify, 1)
})
test('stringify function is exported', () => {
assert.isFunction(bfj.stringify)
})
test('stringify expects two arguments', () => {
assert.lengthOf(bfj.stringify, 2)
})
test('write function is exported', () => {
assert.isFunction(bfj.write)
})
test('write expects two arguments', () => {
assert.lengthOf(bfj.write, 3)
})
test('events are exported', () => {
assert.deepEqual(bfj.events, require('../src/events'))
})
suite('read object:', () => {
let failed, file, result, error
setup(() => {
failed = false
file = path.join(__dirname, 'data.json')
fs.writeFileSync(file, JSON.stringify({
foo: [ 'b', 'a', 'r' ],
baz: null,
qux: 3.14159265359e42
}, null, '\t'))
return bfj.read(file)
.then(res => {
result = res
})
.catch(err => {
failed = true
error = err
})
})
teardown(() => {
fs.unlinkSync(file)
})
test('result was correct', () => {
assert.isFalse(failed)
assert.isUndefined(error)
assert.isObject(result)
assert.lengthOf(Object.keys(result), 3)
assert.isArray(result.foo)
assert.lengthOf(result.foo, 3)
assert.strictEqual(result.foo[0], 'b')
assert.strictEqual(result.foo[1], 'a')
assert.strictEqual(result.foo[2], 'r')
assert.isNull(result.baz)
assert.strictEqual(result.qux, 3.14159265359e42)
})
})
suite('read value:', () => {
let failed, file, result, error
setup(() => {
failed = false
file = path.join(__dirname, 'data.json')
fs.writeFileSync(file, '"foo"')
return bfj.read(file)
.then(res => {
result = res
})
.catch(err => {
failed = true
error = err
})
})
teardown(() => {
fs.unlinkSync(file)
})
test('result was correct', () => {
assert.isFalse(failed)
assert.isUndefined(error)
assert.strictEqual(result, 'foo')
})
})
suite('read error:', () => {
let failed, file, result, error
setup(() => {
failed = false
file = path.join(__dirname, 'data.json')
fs.writeFileSync(file, '"foo" "bar"')
return bfj.read(file)
.then(res => result = res)
.catch(err => {
failed = true
error = err
})
})
teardown(() => {
fs.unlinkSync(file)
})
test('result was correct', () => {
assert.isTrue(failed)
assert.isUndefined(result)
assert.instanceOf(error, Error)
})
})
suite('read missing file:', () => {
let failed, file, result, error
setup(() => {
failed = false
file = path.join(__dirname, 'missing.json')
assert.isFalse(fs.existsSync(file))
return bfj.read(file)
.then(res => result = res)
.catch(err => {
failed = true
error = err
})
})
test('result was correct', () => {
assert.isTrue(failed)
assert.isUndefined(result)
assert.instanceOf(error, Error)
})
})
suite('match predicate:', () => {
let file, results, errors
setup(done => {
file = path.join(__dirname, 'data.json')
fs.writeFileSync(file, JSON.stringify({
foo: 'bar',
baz: 'qux',
wibble: 'blee'
}))
results = []
errors = []
const datastream = bfj.match(
fs.createReadStream(file),
(k, v) => k === 'baz' || v === 'blee',
{ minDepth: 1 }
)
datastream.on('data', item => results.push(item))
datastream.on('error', error => errors.push(error))
datastream.on('end', done)
})
test('the correct properties were matched', () => {
assert.deepEqual([ 'qux', 'blee' ], results)
})
test('no errors occurred', () => {
assert.deepEqual(errors, [])
})
})
suite('match nested:', () => {
let file, results, errors
setup(done => {
file = path.join(__dirname, 'data.json')
fs.writeFileSync(file, JSON.stringify({
foo: {
bar: 'baz'
}
}))
results = []
errors = []
const datastream = bfj.match(fs.createReadStream(file), () => true)
datastream.on('data', item => results.push(item))
datastream.on('error', error => errors.push(error))
datastream.on('end', done)
})
test('the correct properties were matched', () => {
assert.deepEqual([ 'baz', { bar: 'baz' }, { foo: { bar: 'baz' } } ], results)
})
test('no errors occurred', () => {
assert.deepEqual(errors, [])
})
})
suite('match ndjson:', () => {
let file, results, errors
setup(done => {
file = path.join(__dirname, 'data.ndjson')
fs.writeFileSync(file, [
JSON.stringify([ 'a', 'b' ]),
JSON.stringify(null),
'',
'',
JSON.stringify('wibble')
].join('\n'))
results = []
errors = []
const datastream = bfj.match(fs.createReadStream(file), () => true, { ndjson: true })
datastream.on('data', item => results.push(item))
datastream.on('error', error => errors.push(error))
datastream.on('end', done)
})
test('the correct properties were matched', () => {
assert.deepEqual([ 'a', 'b', [ 'a', 'b' ], 'wibble' ], results)
})
test('no errors occurred', () => {
assert.deepEqual(errors, [])
})
})
suite('parse request:', () => {
let error, result
setup(done => {
const jsonstream = new stream.PassThrough()
request({ url: 'https://gitlab.com/philbooth/bfj/raw/master/package.json' })
.pipe(bfj.unpipe((err, res) => {
error = err
result = res
done()
}))
})
test('result was correct', () => {
assert.isNull(error)
assert.deepEqual(result, require('../package.json'))
})
})
suite('parse NDJSON:', () => {
let failed, file, results
setup(() => {
failed = false
file = path.join(__dirname, 'data.ndjson')
results = []
fs.writeFileSync(file, [
JSON.stringify([ 'b', 'a', 'r' ]),
JSON.stringify(null),
'',
'',
JSON.stringify('wibble')
].join('\n'))
const stream = fs.createReadStream(file)
return bfj.parse(stream, { ndjson: true })
.then(result => {
results.push(result)
return bfj.parse(stream, { ndjson: true })
})
.then(result => {
results.push(result)
return bfj.parse(stream, { ndjson: true })
})
.then(result => {
results.push(result)
return bfj.parse(stream, { ndjson: true })
})
.then(result => {
results.push(result)
return bfj.parse(stream, { ndjson: true })
})
.then(result => results.push(result))
.catch(e => {
failed = true
})
})
teardown(() => {
fs.unlinkSync(file)
})
test('results were correct', () => {
assert.isFalse(failed)
assert.lengthOf(results, 5)
assert.deepEqual(results, [
[ 'b', 'a', 'r' ],
null,
'wibble',
undefined,
undefined
])
})
})
suite('stringify value:', () => {
let result
setup(() => {
return bfj.stringify(new Promise(resolve => {
setTimeout(resolve.bind(null, 'foo\t"\nbar'), 20)
}))
.then(res => result = res)
})
test('result was correct', () => {
assert.strictEqual(result, '"foo\\t\\"\\nbar"')
})
})
suite('write object:', () => {
let failed, file, result
setup(() => {
failed = false
file = path.join(__dirname, 'data.json')
return bfj.write(
file,
{ foo: [ 'b', 'a', 'r' ], baz: null, qux: 3.14159265359e42 }
)
.then(() => {
result = fs.readFileSync(file, { encoding: 'utf8' })
})
.catch(error => {
failed = true
result = error
})
})
teardown(() => {
fs.unlinkSync(file)
})
test('did not fail', () => {
assert.isFalse(failed)
})
test('result was correct', () => {
assert.strictEqual(result, '{"foo":["b","a","r"],"baz":null,"qux":3.14159265359e+42}')
})
})
})
})