forked from zhurui/management
96 lines
2.1 KiB
JavaScript
96 lines
2.1 KiB
JavaScript
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'use strict'
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const assert = require('chai').assert
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const spooks = require('spooks')
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const modulePath = '../../src/jsonstream'
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suite('jsonstream:', () => {
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let log
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setup(() => {
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log = {}
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})
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test('require does not throw', () => {
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assert.doesNotThrow(() => {
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require(modulePath)
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})
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})
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test('require returns function', () => {
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assert.isFunction(require(modulePath))
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})
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suite('require:', () => {
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let Stream
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setup(() => {
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Stream = require(modulePath)
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})
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test('Stream expects two arguments', () => {
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assert.lengthOf(Stream, 2)
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})
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test('calling Stream with function argument doesNotThrow', () => {
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assert.doesNotThrow(() => {
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Stream(() => {})
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})
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})
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test('calling Stream with object argument throws', () => {
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assert.throws(() => {
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Stream({ read: () => {} })
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})
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})
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test('calling Stream with new returns Stream instance', () => {
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assert.instanceOf(new Stream(() => {}), Stream)
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})
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test('calling Stream with new returns Readable instance', () => {
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assert.instanceOf(new Stream(() => {}), require('stream').Readable)
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})
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test('calling Stream without new returns Stream instance', () => {
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assert.instanceOf(Stream(() => {}), Stream)
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})
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suite('instantiate:', () => {
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let jsonstream
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setup(() => {
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jsonstream = new Stream(spooks.fn({ name: 'read', log: log }))
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})
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test('jsonstream has _read method', () => {
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assert.isFunction(jsonstream._read)
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})
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test('_read expects no arguments', () => {
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assert.lengthOf(jsonstream._read, 0)
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})
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test('read was not called', () => {
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assert.strictEqual(log.counts.read, 0)
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})
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suite('jsonstream._read:', () => {
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setup(() => {
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jsonstream._read()
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})
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test('read was called once', () => {
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assert.strictEqual(log.counts.read, 1)
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assert.isUndefined(log.these.read[0])
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})
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test('read was called correctly', () => {
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assert.lengthOf(log.args.read[0], 0)
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})
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})
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})
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})
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})
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