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Diffstat (limited to 'node_modules/mute-stream/test/basic.js')
-rw-r--r-- | node_modules/mute-stream/test/basic.js | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/node_modules/mute-stream/test/basic.js b/node_modules/mute-stream/test/basic.js new file mode 100644 index 000000000..41f9e10c3 --- /dev/null +++ b/node_modules/mute-stream/test/basic.js @@ -0,0 +1,207 @@ +var Stream = require('stream') +var tap = require('tap') +var MS = require('../mute.js') + +// some marker objects +var END = {} +var PAUSE = {} +var RESUME = {} + +function PassThrough () { + Stream.call(this) + this.readable = this.writable = true +} + +PassThrough.prototype = Object.create(Stream.prototype, { + constructor: { + value: PassThrough + }, + write: { + value: function (c) { + this.emit('data', c) + return true + } + }, + end: { + value: function (c) { + if (c) this.write(c) + this.emit('end') + } + }, + pause: { + value: function () { + this.emit('pause') + } + }, + resume: { + value: function () { + this.emit('resume') + } + } +}) + +tap.test('incoming', function (t) { + var ms = new MS + var str = new PassThrough + str.pipe(ms) + + var expect = ['foo', 'boo', END] + ms.on('data', function (c) { + t.equal(c, expect.shift()) + }) + ms.on('end', function () { + t.equal(END, expect.shift()) + t.end() + }) + str.write('foo') + ms.mute() + str.write('bar') + ms.unmute() + str.write('boo') + ms.mute() + str.write('blaz') + str.end('grelb') +}) + +tap.test('outgoing', function (t) { + var ms = new MS + var str = new PassThrough + ms.pipe(str) + + var expect = ['foo', 'boo', END] + str.on('data', function (c) { + t.equal(c, expect.shift()) + }) + str.on('end', function () { + t.equal(END, expect.shift()) + t.end() + }) + + ms.write('foo') + ms.mute() + ms.write('bar') + ms.unmute() + ms.write('boo') + ms.mute() + ms.write('blaz') + ms.end('grelb') +}) + +tap.test('isTTY', function (t) { + var str = new PassThrough + str.isTTY = true + str.columns=80 + str.rows=24 + + var ms = new MS + t.equal(ms.isTTY, false) + t.equal(ms.columns, undefined) + t.equal(ms.rows, undefined) + ms.pipe(str) + t.equal(ms.isTTY, true) + t.equal(ms.columns, 80) + t.equal(ms.rows, 24) + str.isTTY = false + t.equal(ms.isTTY, false) + t.equal(ms.columns, 80) + t.equal(ms.rows, 24) + str.isTTY = true + t.equal(ms.isTTY, true) + t.equal(ms.columns, 80) + t.equal(ms.rows, 24) + ms.isTTY = false + t.equal(ms.isTTY, false) + t.equal(ms.columns, 80) + t.equal(ms.rows, 24) + + ms = new MS + t.equal(ms.isTTY, false) + str.pipe(ms) + t.equal(ms.isTTY, true) + str.isTTY = false + t.equal(ms.isTTY, false) + str.isTTY = true + t.equal(ms.isTTY, true) + ms.isTTY = false + t.equal(ms.isTTY, false) + + t.end() +}) + +tap.test('pause/resume incoming', function (t) { + var str = new PassThrough + var ms = new MS + str.on('pause', function () { + t.equal(PAUSE, expect.shift()) + }) + str.on('resume', function () { + t.equal(RESUME, expect.shift()) + }) + var expect = [PAUSE, RESUME, PAUSE, RESUME] + str.pipe(ms) + ms.pause() + ms.resume() + ms.pause() + ms.resume() + t.equal(expect.length, 0, 'saw all events') + t.end() +}) + +tap.test('replace with *', function (t) { + var str = new PassThrough + var ms = new MS({replace: '*'}) + str.pipe(ms) + var expect = ['foo', '*****', 'bar', '***', 'baz', 'boo', '**', '****'] + + ms.on('data', function (c) { + t.equal(c, expect.shift()) + }) + + str.write('foo') + ms.mute() + str.write('12345') + ms.unmute() + str.write('bar') + ms.mute() + str.write('baz') + ms.unmute() + str.write('baz') + str.write('boo') + ms.mute() + str.write('xy') + str.write('xyzΩ') + + t.equal(expect.length, 0) + t.end() +}) + +tap.test('replace with ~YARG~', function (t) { + var str = new PassThrough + var ms = new MS({replace: '~YARG~'}) + str.pipe(ms) + var expect = ['foo', '~YARG~~YARG~~YARG~~YARG~~YARG~', 'bar', + '~YARG~~YARG~~YARG~', 'baz', 'boo', '~YARG~~YARG~', + '~YARG~~YARG~~YARG~~YARG~'] + + ms.on('data', function (c) { + t.equal(c, expect.shift()) + }) + + // also throw some unicode in there, just for good measure. + str.write('foo') + ms.mute() + str.write('ΩΩ') + ms.unmute() + str.write('bar') + ms.mute() + str.write('Ω') + ms.unmute() + str.write('baz') + str.write('boo') + ms.mute() + str.write('Ω') + str.write('ΩΩ') + + t.equal(expect.length, 0) + t.end() +}) |