aboutsummaryrefslogtreecommitdiff
path: root/node_modules/lazystream/test/writable_test.js
diff options
context:
space:
mode:
Diffstat (limited to 'node_modules/lazystream/test/writable_test.js')
-rw-r--r--node_modules/lazystream/test/writable_test.js59
1 files changed, 59 insertions, 0 deletions
diff --git a/node_modules/lazystream/test/writable_test.js b/node_modules/lazystream/test/writable_test.js
new file mode 100644
index 000000000..a66384564
--- /dev/null
+++ b/node_modules/lazystream/test/writable_test.js
@@ -0,0 +1,59 @@
+
+var Writable = require('../lib/lazystream').Writable;
+var DummyWritable = require('./helper').DummyWritable;
+
+exports.writable = {
+ options: function(test) {
+ test.expect(3);
+
+ var writable = new Writable(function(options) {
+ test.ok(this instanceof Writable, "Writable should bind itself to callback's this");
+ test.equal(options.encoding, "utf-8", "Writable should make options accessible to callback");
+ this.ok = true;
+ return new DummyWritable([]);
+ }, {encoding: "utf-8"});
+
+ writable.write("test");
+
+ test.ok(writable.ok);
+
+ test.done();
+ },
+ dummy: function(test) {
+ var expected = [ 'line1\n', 'line2\n' ];
+ var actual = [];
+
+ test.expect(0);
+
+ var dummy = new DummyWritable(actual);
+
+ expected.forEach(function(item) {
+ dummy.write(new Buffer(item));
+ });
+ test.done();
+ },
+ streams2: function(test) {
+ var expected = [ 'line1\n', 'line2\n' ];
+ var actual = [];
+ var instantiated = false;
+
+ test.expect(2);
+
+ var writable = new Writable(function() {
+ instantiated = true;
+ return new DummyWritable(actual);
+ });
+
+ test.equal(instantiated, false, 'DummyWritable should only be instantiated when it is needed');
+
+ writable.on('end', function() {
+ test.equal(actual.join(''), expected.join(''), 'Writable should not change the data of the underlying stream');
+ test.done();
+ });
+
+ expected.forEach(function(item) {
+ writable.write(new Buffer(item));
+ });
+ writable.end();
+ }
+};