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76 lines
1.7 KiB
JavaScript
76 lines
1.7 KiB
JavaScript
'use strict'
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const test = require('ava')
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const {execSync} = require('child_process')
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const stream = require('./stream')
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function fx(json, code = '') {
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return execSync(`echo '${JSON.stringify(json)}' | node index.js ${code}`).toString('utf8')
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}
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test('pass', t => {
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const r = fx([{"greeting": "hello world"}])
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t.deepEqual(JSON.parse(r), [{"greeting": "hello world"}])
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})
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test('anon func', t => {
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const r = fx({"key": "value"}, "'function (x) { return x.key }'")
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t.is(r, 'value\n')
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})
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test('arrow func', t => {
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const r = fx({"key": "value"}, "'x => x.key'")
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t.is(r, 'value\n')
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})
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test('arrow func ()', t => {
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const r = fx({"key": "value"}, "'(x) => x.key'")
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t.is(r, 'value\n')
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})
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test('this bind', t => {
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const r = fx([1, 2, 3, 4, 5], "'this.map(x => x * this.length)'")
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t.deepEqual(JSON.parse(r), [5, 10, 15, 20, 25])
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})
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test('chain', t => {
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const r = fx({"items": ["foo", "bar"]}, "'this.items' '.' 'x => x[1]'")
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t.is(r, 'bar\n')
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})
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test('file argument', t => {
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const r = execSync(`node index.js package.json .name`).toString('utf8')
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t.is(r, 'fx\n')
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})
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test('stream', t => {
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const input = `
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{"index": 0} {"index": 1}
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{"index": 2, "quote": "\\""}
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{"index": 3} "Hello" "world"
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{"index": 6, "key": "one \\"two\\" three"}
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`
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t.plan(7 * (input.length - 1))
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for (let i = 0; i < input.length; i++) {
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const parts = [input.substring(0, i), input.substring(i)]
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const reader = stream(
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{
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read() {
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return parts.shift()
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}
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},
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json => {
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t.pass()
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}
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)
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reader.read()
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}
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})
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test('lossless number', t => {
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const r = execSync(`echo '{"long": 123456789012345678901}' | node index.js .long`).toString('utf8')
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t.is(r, '123456789012345678901\n')
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})
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