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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/190165">190165</a></dd>
<dt>Author</dt> <dd>calvaris@igalia.com</dd>
<dt>Date</dt> <dd>2015-09-23 04:25:03 -0700 (Wed, 23 Sep 2015)</dd>
</dl>
<h3>Log Message</h3>
<pre>[Streams API] Added pipe-through transform stream tests
https://bugs.webkit.org/show_bug.cgi?id=149265
Reviewed by Darin Adler.
* streams/reference-implementation/pipe-through-expected.txt: Added.
* streams/reference-implementation/pipe-through.html: Added.
* streams/reference-implementation/resources/streams-utils.js: Added duckTypedPassThroughTransform function.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsChangeLog">trunk/LayoutTests/ChangeLog</a></li>
<li><a href="#trunkLayoutTestsstreamsreferenceimplementationresourcesstreamsutilsjs">trunk/LayoutTests/streams/reference-implementation/resources/streams-utils.js</a></li>
</ul>
<h3>Added Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsstreamsreferenceimplementationpipethroughexpectedtxt">trunk/LayoutTests/streams/reference-implementation/pipe-through-expected.txt</a></li>
<li><a href="#trunkLayoutTestsstreamsreferenceimplementationpipethroughhtml">trunk/LayoutTests/streams/reference-implementation/pipe-through.html</a></li>
</ul>
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<div id="patch">
<h3>Diff</h3>
<a id="trunkLayoutTestsChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/ChangeLog (190164 => 190165)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/ChangeLog 2015-09-23 11:23:26 UTC (rev 190164)
+++ trunk/LayoutTests/ChangeLog 2015-09-23 11:25:03 UTC (rev 190165)
</span><span class="lines">@@ -1,5 +1,16 @@
</span><span class="cx"> 2015-09-23 Xabier Rodriguez Calvar <calvaris@igalia.com>
</span><span class="cx">
</span><ins>+ [Streams API] Added pipe-through transform stream tests
+ https://bugs.webkit.org/show_bug.cgi?id=149265
+
+ Reviewed by Darin Adler.
+
+ * streams/reference-implementation/pipe-through-expected.txt: Added.
+ * streams/reference-implementation/pipe-through.html: Added.
+ * streams/reference-implementation/resources/streams-utils.js: Added duckTypedPassThroughTransform function.
+
+2015-09-23 Xabier Rodriguez Calvar <calvaris@igalia.com>
+
</ins><span class="cx"> [Streams API] Add count queuing strategy tests for writable streams
</span><span class="cx"> https://bugs.webkit.org/show_bug.cgi?id=148303
</span><span class="cx">
</span></span></pre></div>
<a id="trunkLayoutTestsstreamsreferenceimplementationpipethroughexpectedtxt"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/streams/reference-implementation/pipe-through-expected.txt (0 => 190165)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/streams/reference-implementation/pipe-through-expected.txt (rev 0)
+++ trunk/LayoutTests/streams/reference-implementation/pipe-through-expected.txt 2015-09-23 11:25:03 UTC (rev 190165)
</span><span class="lines">@@ -0,0 +1,4 @@
</span><ins>+
+FAIL Piping through a duck-typed pass-through transform stream works Can't find variable: WritableStream
+FAIL Piping through an identity transform stream will close the destination when the source closes Can't find variable: TransformStream
+
</ins></span></pre></div>
<a id="trunkLayoutTestsstreamsreferenceimplementationpipethroughhtml"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/streams/reference-implementation/pipe-through.html (0 => 190165)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/streams/reference-implementation/pipe-through.html (rev 0)
+++ trunk/LayoutTests/streams/reference-implementation/pipe-through.html 2015-09-23 11:25:03 UTC (rev 190165)
</span><span class="lines">@@ -0,0 +1,43 @@
</span><ins>+<!DOCTYPE html>
+<script src='../../resources/testharness.js'></script>
+<script src='../../resources/testharnessreport.js'></script>
+<script src='resources/streams-utils.js'></script>
+<script>
+// This is updated till https://github.com/whatwg/streams/commit/ec5ffa036308d9f6350d2946560d48cdbf090939
+
+var test1 = async_test('Piping through a duck-typed pass-through transform stream works');
+test1.step(function() {
+ var readableEnd = sequentialReadableStream(5).pipeThrough(duckTypedPassThroughTransform());
+
+ readableStreamToArray(readableEnd).then(function(chunks) {
+ assert_array_equals(chunks, [1, 2, 3, 4, 5]);
+ test1.done();
+ }).catch(function(e) { assert_unreached(e); });
+});
+
+var test2 = async_test('Piping through an identity transform stream will close the destination when the source closes');
+test2.step(function() {
+ var rs = new ReadableStream({
+ start: function(c) {
+ c.enqueue('a');
+ c.enqueue('b');
+ c.enqueue('c');
+ c.close();
+ }
+ });
+
+ var ts = new TransformStream({
+ transform: function(chunk, enqueue, done) {
+ enqueue(chunk);
+ done();
+ }
+ });
+
+ var ws = new WritableStream();
+
+ rs.pipeThrough(ts).pipeTo(ws).then(function() {
+ assert_equals(ws.state, 'closed', 'the writable stream was closed');
+ test2.done();
+ }).catch(function(e) { assert_unreached(e); });
+});
+</script>
</ins></span></pre></div>
<a id="trunkLayoutTestsstreamsreferenceimplementationresourcesstreamsutilsjs"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/streams/reference-implementation/resources/streams-utils.js (190164 => 190165)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/streams/reference-implementation/resources/streams-utils.js 2015-09-23 11:23:26 UTC (rev 190164)
+++ trunk/LayoutTests/streams/reference-implementation/resources/streams-utils.js 2015-09-23 11:25:03 UTC (rev 190165)
</span><span class="lines">@@ -191,3 +191,27 @@
</span><span class="cx"> }
</span><span class="cx"> Object.defineProperty(o, p, { value: v, writable: true, enumerable: true, configurable: true });
</span><span class="cx"> }
</span><ins>+
+function duckTypedPassThroughTransform() {
+ var enqueueInReadable;
+ var closeReadable;
+
+ return {
+ writable: new WritableStream({
+ write: function(chunk) {
+ enqueueInReadable(chunk);
+ },
+
+ close: function() {
+ closeReadable();
+ }
+ }),
+
+ readable: new ReadableStream({
+ start: function(c) {
+ enqueueInReadable = c.enqueue.bind(c);
+ closeReadable = c.close.bind(c);
+ }
+ })
+ };
+}
</ins></span></pre>
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