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author | Florian Dold <florian.dold@gmail.com> | 2016-10-10 03:43:44 +0200 |
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committer | Florian Dold <florian.dold@gmail.com> | 2016-10-10 03:43:44 +0200 |
commit | abd94a7f5a50f43c797a11b53549ae48fff667c3 (patch) | |
tree | ab8ed457f65cdd72e13e0571d2975729428f1551 /node_modules/lazystream/test/readable_test.js | |
parent | a0247c6a3fd6a09a41a7e35a3441324c4dcb58be (diff) |
add node_modules to address #4364
Diffstat (limited to 'node_modules/lazystream/test/readable_test.js')
-rw-r--r-- | node_modules/lazystream/test/readable_test.js | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/node_modules/lazystream/test/readable_test.js b/node_modules/lazystream/test/readable_test.js new file mode 100644 index 000000000..9ae06368d --- /dev/null +++ b/node_modules/lazystream/test/readable_test.js @@ -0,0 +1,90 @@ + +var Readable = require('../lib/lazystream').Readable; +var DummyReadable = require('./helper').DummyReadable; + +exports.readable = { + dummy: function(test) { + var expected = [ 'line1\n', 'line2\n' ]; + var actual = []; + + test.expect(1); + + new DummyReadable([].concat(expected)) + .on('data', function(chunk) { + actual.push(chunk.toString()); + }) + .on('end', function() { + test.equal(actual.join(''), expected.join(''), 'DummyReadable should produce the data it was created with'); + test.done(); + }); + }, + options: function(test) { + test.expect(3); + + var readable = new Readable(function(options) { + test.ok(this instanceof Readable, "Readable should bind itself to callback's this"); + test.equal(options.encoding, "utf-8", "Readable should make options accessible to callback"); + this.ok = true; + return new DummyReadable(["test"]); + }, {encoding: "utf-8"}); + + readable.read(4); + + test.ok(readable.ok); + + test.done(); + }, + streams2: function(test) { + var expected = [ 'line1\n', 'line2\n' ]; + var actual = []; + var instantiated = false; + + test.expect(2); + + var readable = new Readable(function() { + instantiated = true; + return new DummyReadable([].concat(expected)); + }); + + test.equal(instantiated, false, 'DummyReadable should only be instantiated when it is needed'); + + readable.on('readable', function() { + var chunk; + while ((chunk = readable.read())) { + actual.push(chunk.toString()); + } + }); + readable.on('end', function() { + test.equal(actual.join(''), expected.join(''), 'Readable should not change the data of the underlying stream'); + test.done(); + }); + + readable.read(0); + }, + resume: function(test) { + var expected = [ 'line1\n', 'line2\n' ]; + var actual = []; + var instantiated = false; + + test.expect(2); + + var readable = new Readable(function() { + instantiated = true; + return new DummyReadable([].concat(expected)); + }); + + readable.pause(); + + readable.on('data', function(chunk) { + actual.push(chunk.toString()); + }); + readable.on('end', function() { + test.equal(actual.join(''), expected.join(''), 'Readable should not change the data of the underlying stream'); + test.done(); + }); + + test.equal(instantiated, false, 'DummyReadable should only be instantiated when it is needed'); + + readable.resume(); + } +}; |