Split WebRTC browser tests in getusermedia and peerconnection tests.

content/browser/media/webrtc_getusermedia_browsertest.cc

+// Copyright (c) 2012 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/debug/trace_event_impl.h"
+#include "base/json/json_reader.h"
+#include "base/strings/stringprintf.h"
+#include "base/test/trace_event_analyzer.h"
+#include "base/values.h"
+#include "content/browser/media/webrtc_internals.h"
+#include "content/browser/web_contents/web_contents_impl.h"
+#include "content/public/test/browser_test_utils.h"
+#include "content/public/test/test_utils.h"
+#include "content/shell/browser/shell.h"
+#include "content/test/content_browser_test_utils.h"
+#include "content/test/webrtc_content_browsertest_base.h"
+#include "net/test/embedded_test_server/embedded_test_server.h"
+#include "testing/perf/perf_test.h"
+
+#if defined(OS_WIN)
+#include "base/win/windows_version.h"
+#endif
+
+using trace_analyzer::TraceAnalyzer;
+using trace_analyzer::Query;
+using trace_analyzer::TraceEventVector;
+
+namespace {
+
+static const char kGetUserMediaAndStop[] = "getUserMediaAndStop";
+static const char kGetUserMediaAndWaitAndStop[] = "getUserMediaAndWaitAndStop";
+static const char kGetUserMediaAndAnalyseAndStop[] =
+    "getUserMediaAndAnalyseAndStop";
+
+// Results returned by JS.
+static const char kOK[] = "OK";
+static const char kGetUserMediaFailed[] =
+    "GetUserMedia call failed with code undefined";
+
+std::string GenerateGetUserMediaWithMandatorySourceID(
+    const std::string& function_name,
+    const std::string& audio_source_id,
+    const std::string& video_source_id) {
+  const std::string audio_constraint =
+      "audio: {mandatory: { sourceId:\"" + audio_source_id + "\"}}, ";
+
+  const std::string video_constraint =
+      "video: {mandatory: { sourceId:\"" + video_source_id + "\"}}";
+  return function_name + "({" + audio_constraint + video_constraint + "});";
+}
+
+std::string GenerateGetUserMediaWithOptionalSourceID(
+    const std::string& function_name,
+    const std::string& audio_source_id,
+    const std::string& video_source_id) {
+  const std::string audio_constraint =
+      "audio: {optional: [{sourceId:\"" + audio_source_id + "\"}]}, ";
+
+  const std::string video_constraint =
+      "video: {optional: [{ sourceId:\"" + video_source_id + "\"}]}";
+  return function_name + "({" + audio_constraint + video_constraint + "});";
+}
+
+}  // namespace
+
+namespace content {
+
+class WebRtcGetUserMediaBrowserTest: public WebRtcContentBrowserTest {
+ public:
+  WebRtcGetUserMediaBrowserTest() : trace_log_(NULL) {}
+  virtual ~WebRtcGetUserMediaBrowserTest() {}
+
+  void StartTracing() {
+    CHECK(trace_log_ == NULL) << "Can only can start tracing once";
+    trace_log_ = base::debug::TraceLog::GetInstance();
+    trace_log_->SetEnabled(base::debug::CategoryFilter("video"),
+                           base::debug::TraceLog::RECORDING_MODE,
+                           base::debug::TraceLog::ENABLE_SAMPLING);
+    // Check that we are indeed recording.
+    EXPECT_EQ(trace_log_->GetNumTracesRecorded(), 1);
+  }
+
+  void StopTracing() {
+    CHECK(message_loop_runner_ == NULL) << "Calling StopTracing more than once";
+    trace_log_->SetDisabled();
+    message_loop_runner_ = new MessageLoopRunner;
+    trace_log_->Flush(base::Bind(
+        &WebRtcGetUserMediaBrowserTest::OnTraceDataCollected,
+        base::Unretained(this)));
+    message_loop_runner_->Run();
+  }
+
+  void OnTraceDataCollected(
+      const scoped_refptr<base::RefCountedString>& events_str_ptr,
+      bool has_more_events) {
+    CHECK(!has_more_events);
+    recorded_trace_data_ = events_str_ptr;
+    message_loop_runner_->Quit();
+  }
+
+  TraceAnalyzer* CreateTraceAnalyzer() {
+    return TraceAnalyzer::Create("[" + recorded_trace_data_->data() + "]");
+  }
+
+  void GetSources(std::vector<std::string>* audio_ids,
+                  std::vector<std::string>* video_ids) {
+    GURL url(embedded_test_server()->GetURL("/media/getusermedia.html"));
+    NavigateToURL(shell(), url);
+
+    std::string sources_as_json = ExecuteJavascriptAndReturnResult(
+        "getSources()");
+    EXPECT_FALSE(sources_as_json.empty());
+
+    int error_code;
+    std::string error_message;
+    scoped_ptr<base::Value> value(
+        base::JSONReader::ReadAndReturnError(sources_as_json,
+                                             base::JSON_ALLOW_TRAILING_COMMAS,
+                                             &error_code,
+                                             &error_message));
+
+    ASSERT_TRUE(value.get() != NULL) << error_message;
+    EXPECT_EQ(value->GetType(), base::Value::TYPE_LIST);
+
+    base::ListValue* values;
+    ASSERT_TRUE(value->GetAsList(&values));
+
+    for (base::ListValue::iterator it = values->begin();
+         it != values->end(); ++it) {
+      const base::DictionaryValue* dict;
+      std::string kind;
+      std::string id;
+      ASSERT_TRUE((*it)->GetAsDictionary(&dict));
+      ASSERT_TRUE(dict->GetString("kind", &kind));
+      ASSERT_TRUE(dict->GetString("id", &id));
+      ASSERT_FALSE(id.empty());
+      EXPECT_TRUE(kind == "audio" || kind == "video");
+      if (kind == "audio") {
+        audio_ids->push_back(id);
+      } else if (kind == "video") {
+        video_ids->push_back(id);
+      }
+    }
+    ASSERT_FALSE(audio_ids->empty());
+    ASSERT_FALSE(video_ids->empty());
+  }
+
+ private:
+  base::debug::TraceLog* trace_log_;
+  scoped_refptr<base::RefCountedString> recorded_trace_data_;
+  scoped_refptr<MessageLoopRunner> message_loop_runner_;
+};
+
+// These tests will all make a getUserMedia call with different constraints and
+// see that the success callback is called. If the error callback is called or
+// none of the callbacks are called the tests will simply time out and fail.
+IN_PROC_BROWSER_TEST_F(WebRtcGetUserMediaBrowserTest, GetVideoStreamAndStop) {
+  ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
+
+  GURL url(embedded_test_server()->GetURL("/media/getusermedia.html"));
+  NavigateToURL(shell(), url);
+
+  ASSERT_TRUE(ExecuteJavascript(
+      base::StringPrintf("%s({video: true});", kGetUserMediaAndStop)));
+
+  ExpectTitle("OK");
+}
+
+IN_PROC_BROWSER_TEST_F(WebRtcGetUserMediaBrowserTest,
+                       GetAudioAndVideoStreamAndStop) {
+  ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
+
+  GURL url(embedded_test_server()->GetURL("/media/getusermedia.html"));
+  NavigateToURL(shell(), url);
+
+  ASSERT_TRUE(ExecuteJavascript(base::StringPrintf(
+      "%s({video: true, audio: true});", kGetUserMediaAndStop)));
+
+  ExpectTitle("OK");
+}
+
+IN_PROC_BROWSER_TEST_F(WebRtcGetUserMediaBrowserTest,
+                       GetAudioAndVideoStreamAndClone) {
+  ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
+
+  GURL url(embedded_test_server()->GetURL("/media/getusermedia.html"));
+  NavigateToURL(shell(), url);
+
+  ASSERT_TRUE(ExecuteJavascript("getUserMediaAndClone();"));
+
+  ExpectTitle("OK");
+}
+
+IN_PROC_BROWSER_TEST_F(WebRtcGetUserMediaBrowserTest,
+                       GetUserMediaWithMandatorySourceID) {
+  ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
+
+  std::vector<std::string> audio_ids;
+  std::vector<std::string> video_ids;
+  GetSources(&audio_ids, &video_ids);
+
+  GURL url(embedded_test_server()->GetURL("/media/getusermedia.html"));
+
+  // Test all combinations of mandatory sourceID;
+  for (std::vector<std::string>::const_iterator video_it = video_ids.begin();
+       video_it != video_ids.end(); ++video_it) {
+    for (std::vector<std::string>::const_iterator audio_it = audio_ids.begin();
+         audio_it != audio_ids.end(); ++audio_it) {
+      NavigateToURL(shell(), url);
+      EXPECT_EQ(kOK, ExecuteJavascriptAndReturnResult(
+          GenerateGetUserMediaWithMandatorySourceID(
+              kGetUserMediaAndStop,
+              *audio_it,
+              *video_it)));
+    }
+  }
+}
+
+IN_PROC_BROWSER_TEST_F(WebRtcGetUserMediaBrowserTest,
+                       GetUserMediaWithInvalidMandatorySourceID) {
+  ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
+
+  std::vector<std::string> audio_ids;
+  std::vector<std::string> video_ids;
+  GetSources(&audio_ids, &video_ids);
+
+  GURL url(embedded_test_server()->GetURL("/media/getusermedia.html"));
+
+  // Test with invalid mandatory audio sourceID.
+  NavigateToURL(shell(), url);
+  EXPECT_EQ(kGetUserMediaFailed, ExecuteJavascriptAndReturnResult(
+      GenerateGetUserMediaWithMandatorySourceID(
+          kGetUserMediaAndStop,
+          "something invalid",
+          video_ids[0])));
+
+  // Test with invalid mandatory video sourceID.
+  EXPECT_EQ(kGetUserMediaFailed, ExecuteJavascriptAndReturnResult(
+      GenerateGetUserMediaWithMandatorySourceID(
+          kGetUserMediaAndStop,
+          audio_ids[0],
+          "something invalid")));
+
+  // Test with empty mandatory audio sourceID.
+  EXPECT_EQ(kGetUserMediaFailed, ExecuteJavascriptAndReturnResult(
+      GenerateGetUserMediaWithMandatorySourceID(
+          kGetUserMediaAndStop,
+          "",
+          video_ids[0])));
+}
+
+IN_PROC_BROWSER_TEST_F(WebRtcGetUserMediaBrowserTest,
+                       GetUserMediaWithInvalidOptionalSourceID) {
+  ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
+
+  std::vector<std::string> audio_ids;
+  std::vector<std::string> video_ids;
+  GetSources(&audio_ids, &video_ids);
+
+  GURL url(embedded_test_server()->GetURL("/media/getusermedia.html"));
+
+  // Test with invalid optional audio sourceID.
+  NavigateToURL(shell(), url);
+  EXPECT_EQ(kOK, ExecuteJavascriptAndReturnResult(
+      GenerateGetUserMediaWithOptionalSourceID(
+          kGetUserMediaAndStop,
+          "something invalid",
+          video_ids[0])));
+
+  // Test with invalid optional video sourceID.
+  EXPECT_EQ(kOK, ExecuteJavascriptAndReturnResult(
+      GenerateGetUserMediaWithOptionalSourceID(
+          kGetUserMediaAndStop,
+          audio_ids[0],
+          "something invalid")));
+
+  // Test with empty optional audio sourceID.
+  EXPECT_EQ(kOK, ExecuteJavascriptAndReturnResult(
+      GenerateGetUserMediaWithOptionalSourceID(
+          kGetUserMediaAndStop,
+          "",
+          video_ids[0])));
+}
+
+IN_PROC_BROWSER_TEST_F(WebRtcGetUserMediaBrowserTest, TwoGetUserMediaAndStop) {
+  ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
+
+  GURL url(embedded_test_server()->GetURL("/media/getusermedia.html"));
+  NavigateToURL(shell(), url);
+
+  ASSERT_TRUE(ExecuteJavascript(
+      "twoGetUserMediaAndStop({video: true, audio: true});"));
+
+  ExpectTitle("OK");
+}
+
+// This test will make a simple getUserMedia page, verify that video is playing
+// in a simple local <video>, and for a couple of seconds, collect some
+// performance traces.
+IN_PROC_BROWSER_TEST_F(WebRtcGetUserMediaBrowserTest,
+                       TracePerformanceDuringGetUserMedia) {
+  ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
+
+  GURL url(embedded_test_server()->GetURL("/media/getusermedia.html"));
+  NavigateToURL(shell(), url);
+  // Put getUserMedia to work and let it run for a couple of seconds.
+  ASSERT_TRUE(ExecuteJavascript(base::StringPrintf(
+      "%s({video: true}, 10);", kGetUserMediaAndWaitAndStop)));
+
+  // Make sure the stream is up and running, then start collecting traces.
+  ExpectTitle("Running...");
+  StartTracing();
+
+  // Wait until the page title changes to "OK". Do not sleep() here since that
+  // would stop both this code and the browser underneath.
+  ExpectTitle("OK");
+  StopTracing();
+
+  scoped_ptr<TraceAnalyzer> analyzer(CreateTraceAnalyzer());
+  analyzer->AssociateBeginEndEvents();
+  trace_analyzer::TraceEventVector events;
+  analyzer->FindEvents(
+      Query::EventNameIs("VideoCaptureController::OnIncomingCapturedFrame"),
+      &events);
+  ASSERT_GT(events.size(), 0u)
+      << "Could not collect any samples during test, this is bad";
+
+  std::string duration_us;
+  std::string interarrival_us;
+  for (size_t i = 0; i != events.size(); ++i) {
+    duration_us.append(
+        base::StringPrintf("%d,", static_cast<int>(events[i]->duration)));
+  }
+
+  for (size_t i = 1; i < events.size(); ++i) {
+    interarrival_us.append(base::StringPrintf(
+        "%d,",
+        static_cast<int>(events[i]->timestamp - events[i - 1]->timestamp)));
+  }
+
+  perf_test::PrintResultList(
+      "video_capture", "", "sample_duration", duration_us, "us", true);
+
+  perf_test::PrintResultList(
+      "video_capture", "", "interarrival_time", interarrival_us, "us", true);
+}
+
+// This test calls getUserMedia and checks for aspect ratio behavior.
+IN_PROC_BROWSER_TEST_F(WebRtcGetUserMediaBrowserTest,
+                       TestGetUserMediaAspectRatio) {
+  ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
+
+  GURL url(embedded_test_server()->GetURL("/media/getusermedia.html"));
+
+  std::string constraints_4_3 = GenerateGetUserMediaCall(
+      kGetUserMediaAndAnalyseAndStop, 640, 640, 480, 480, 30, 30);
+  std::string constraints_16_9 = GenerateGetUserMediaCall(
+      kGetUserMediaAndAnalyseAndStop, 640, 640, 360, 360, 30, 30);
+
+  // TODO(mcasas): add more aspect ratios, in particular 16:10 crbug.com/275594.
+
+  NavigateToURL(shell(), url);
+  ASSERT_TRUE(ExecuteJavascript(constraints_4_3));
+  ExpectTitle("4:3 letterbox");
+
+  NavigateToURL(shell(), url);
+  ASSERT_TRUE(ExecuteJavascript(constraints_16_9));
+  ExpectTitle("16:9 letterbox");
+}
+
+namespace {
+
+struct UserMediaSizes {
+  int min_width;
+  int max_width;
+  int min_height;
+  int max_height;
+  int min_frame_rate;
+  int max_frame_rate;
+};
+
+}  // namespace
+
+class WebRtcConstraintsBrowserTest
+    : public WebRtcGetUserMediaBrowserTest,
+      public testing::WithParamInterface<UserMediaSizes> {
+ public:
+  WebRtcConstraintsBrowserTest() : user_media_(GetParam()) {}
+  const UserMediaSizes& user_media() const { return user_media_; }
+
+ private:
+  UserMediaSizes user_media_;
+};
+
+// This test calls getUserMedia in sequence with different constraints.
+IN_PROC_BROWSER_TEST_P(WebRtcConstraintsBrowserTest, GetUserMediaConstraints) {
+  ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
+
+  GURL url(embedded_test_server()->GetURL("/media/getusermedia.html"));
+
+  std::string call = GenerateGetUserMediaCall(kGetUserMediaAndStop,
+                                              user_media().min_width,
+                                              user_media().max_width,
+                                              user_media().min_height,
+                                              user_media().max_height,
+                                              user_media().min_frame_rate,
+                                              user_media().max_frame_rate);
+  DVLOG(1) << "Calling getUserMedia: " << call;
+  NavigateToURL(shell(), url);
+  ASSERT_TRUE(ExecuteJavascript(call));
+  ExpectTitle("OK");
+}
+
+static const UserMediaSizes kAllUserMediaSizes[] = {
+    {320, 320, 180, 180, 30, 30},
+    {320, 320, 240, 240, 30, 30},
+    {640, 640, 360, 360, 30, 30},
+    {640, 640, 480, 480, 30, 30},
+    {960, 960, 720, 720, 30, 30},
+    {1280, 1280, 720, 720, 30, 30},
+    {1920, 1920, 1080, 1080, 30, 30}};
+
+INSTANTIATE_TEST_CASE_P(UserMedia,
+                        WebRtcConstraintsBrowserTest,
+                        testing::ValuesIn(kAllUserMediaSizes));
+
+}  // namespace content