Port Mojo's sample_service.cc to JavaScript

mojo/public/bindings/sample/sample_test.js

Index: mojo/public/bindings/sample/sample_test.js
diff --git a/mojo/public/bindings/sample/sample_test.js b/mojo/public/bindings/sample/sample_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..230f4df51a1d3bee2c6a99fe895c90768452c9d7
--- /dev/null
+++ b/mojo/public/bindings/sample/sample_test.js
@@ -0,0 +1,123 @@
+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+define([
+    "gtest",
+    // TODO(abarth): We shouldn't need to depend on codec, but there seems to
+    // be a bug in the module loading system whereby this test doesn't run if
+    // we don't import codec here.
+    "mojo/public/bindings/js/codec",
+    "mojo/public/bindings/sample/mojom/sample_service"
+  ], function(gtest, codec, sample) {

[abarth-chromium, 2013/11/18 23:30:44]

This code is a direct transliteration of sample_test.cc without the extra print
statements.

+
+  var global = this;
+
+  function makeFoo() {
+    var bar = new sample.Bar();
+    bar.alpha = 20;
+    bar.beta = 40;
+    bar.gamma = 60;
+
+    var extra_bars = new Array(3);
+    for (var i = 0; i < extra_bars.length; ++i) {
+      var base = i * 100;
+      extra_bars[i] = new sample.Bar();
+      extra_bars[i].alpha = base;
+      extra_bars[i].beta = base + 20;
+      extra_bars[i].gamma = base + 40;
+    }
+
+    var data = new Array(10);
+    for (var i = 0; i < data.length; ++i) {
+      data[i] = data.length - i;
+    }
+
+    var files = new Array(4);
+    for (var i = 0; i < files.length; ++i) {
+      files[i] = 0xFFFF - i;
+    }
+
+    var foo = new sample.Foo();
+    foo.name = "foopy";
+    foo.x = 1;
+    foo.y = 2;
+    foo.a = false;
+    foo.b = true;
+    foo.c = false;
+    foo.bar = bar;
+    foo.extra_bars = extra_bars;
+    foo.data = data;
+    foo.files = files;
+    return foo;
+  }
+
+  // Check that the given |Foo| is identical to the one made by |MakeFoo()|.
+  function checkFoo(foo) {
+    gtest.expectEqual(foo.name, "foopy", "foo.name is " + foo.name);
+    gtest.expectEqual(foo.x, 1, "foo.x is " + foo.x);
+    gtest.expectEqual(foo.y, 2, "foo.y is " + foo.y);
+    gtest.expectFalse(foo.a, "foo.a is " + foo.a);
+    gtest.expectTrue(foo.b, "foo.b is " + foo.b);
+    gtest.expectFalse(foo.c, "foo.c is " + foo.c);
+    gtest.expectEqual(foo.bar.alpha, 20, "foo.bar.alpha is " + foo.bar.alpha);
+    gtest.expectEqual(foo.bar.beta, 40, "foo.bar.beta is " + foo.bar.beta);
+    gtest.expectEqual(foo.bar.gamma, 60, "foo.bar.gamma is " + foo.bar.gamma);
+
+    gtest.expectEqual(foo.extra_bars.length, 3,
+        "foo.extra_bars.length is " + foo.extra_bars.length);
+    for (var i = 0; i < foo.extra_bars.length; ++i) {
+      var base = i * 100;
+      gtest.expectEqual(foo.extra_bars[i].alpha, base,
+          "foo.extra_bars[" + i + "].alpha is " + foo.extra_bars[i].alpha);
+      gtest.expectEqual(foo.extra_bars[i].beta, base + 20,
+          "foo.extra_bars[" + i + "].beta is " + foo.extra_bars[i].beta);
+      gtest.expectEqual(foo.extra_bars[i].gamma, base + 40,
+          "foo.extra_bars[" + i + "].gamma is " + foo.extra_bars[i].gamma);
+    }
+
+    gtest.expectEqual(foo.data.length, 10,
+        "foo.data.length is " + foo.data.length);
+    for (var i = 0; i < foo.data.length; ++i) {
+      gtest.expectEqual(foo.data[i], foo.data.length - i,
+          "foo.data[" + i + "] is " + foo.data[i]);
+    }
+
+    gtest.expectEqual(foo.files.length, 4,
+        "foo.files.length " + foo.files.length);
+    for (var i = 0; i < foo.files.length; ++i) {
+      gtest.expectEqual(foo.files[i], 0xFFFF - i,
+          "foo.files[" + i + "] is " + foo.files[i]);
+    }
+  }
+
+  function ServiceImpl() {
+  }
+
+  ServiceImpl.prototype = Object.create(sample.ServiceStub.prototype);
+
+  ServiceImpl.prototype.frobinate = function(foo, baz, port) {
+    checkFoo(foo);
+    gtest.expectTrue(baz, "baz is " + baz);
+    gtest.expectEqual(port, 10, "port is " + port);
+    global.result = "PASS";
+  };
+
+  function SimpleMessageReceiver() {
+  }
+
+  SimpleMessageReceiver.prototype.accept = function(message) {
+    // Imagine some IPC happened here.
+    var serviceImpl = new ServiceImpl();
+    serviceImpl.accept(message);
+  };
+
+  var receiver = new SimpleMessageReceiver();
+  var serviceProxy = new sample.ServiceProxy(receiver);
+
+  var foo = makeFoo();
+  checkFoo(foo);
+
+  var port = 10;
+  serviceProxy.frobinate(foo, true, port);
+});