Add GetUrl to DemuxerStreamProvider interface

media/base/android/media_url_provider_unittest.cc

+// Copyright 2016 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.
+
+#include "base/macros.h"
+#include "base/message_loop/message_loop.h"
+#include "media/base/android/media_url_provider.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace media {
+
+class MediaUrlProviderTest : public testing::Test {
+ public:
+  MediaUrlProviderTest() {}
+
+  void Initialize(const GURL& gurl) {
+    demuxer_.reset(new MediaUrlProvider(gurl));
+  }
+
+  void Initialize() { Initialize(GURL(kDefaultUrl)); }
+
+  const std::string kDefaultUrl = "http://example.com/";
+
+  std::unique_ptr<Demuxer> demuxer_;
+
+ private:
+  // A message loop needs to be instantiated in order for the test to run
+  // properly.
+  base::MessageLoop message_loop_;
+
+  DISALLOW_COPY_AND_ASSIGN(MediaUrlProviderTest);
+};
+
+TEST_F(MediaUrlProviderTest, DoesNotReturnStreams) {
+  Initialize();
+
+  DemuxerStream* audio_stream = demuxer_->GetStream(DemuxerStream::Type::AUDIO);
+  DemuxerStream* video_stream = demuxer_->GetStream(DemuxerStream::Type::VIDEO);
+  DemuxerStream* text_stream = demuxer_->GetStream(DemuxerStream::Type::TEXT);
+
+  // Should not return AUDIO/VIDEO/TEXT streams
+  ASSERT_EQ(nullptr, audio_stream);
+  ASSERT_EQ(nullptr, video_stream);
+  ASSERT_EQ(nullptr, text_stream);
+}
+
+TEST_F(MediaUrlProviderTest, AcceptsNormalUrl) {
+  Initialize();
+
+  GURL* url = demuxer_->GetUrl();
+
+  ASSERT_NE(nullptr, url);
+  ASSERT_EQ(kDefaultUrl, url->spec());
+}
+
+TEST_F(MediaUrlProviderTest, AcceptsEmptyStrings) {
+  Initialize(GURL());
+
+  GURL* url = demuxer_->GetUrl();
+
+  ASSERT_NE(nullptr, url);
+  ASSERT_EQ(GURL::EmptyGURL(), (*url));
+}
+
+TEST_F(MediaUrlProviderTest, VerifyIdempotenceOfGetUrl) {
+  Initialize();
+
+  GURL* url = demuxer_->GetUrl();
+  GURL* url_2 = demuxer_->GetUrl();
+
+  ASSERT_EQ(url, url_2);
+}
+
+}  // namespace media