Add support for user actions to the metrics library and the metrics clients.

metrics_library_test.cc

 // Copyright (c) 2010 The Chromium OS 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 <cstring>
 
 #include <base/file_util.h>
 #include <gtest/gtest.h>
 
 #include "c_metrics_library.h"
@@ skipping 196 matching lines @@
   sprintf(exp, "%c%c%c%chistogram%cTest.Metric 2 1 100 50", kLen, 0, 0, 0, 0);
   EXPECT_EQ(0, memcmp(exp, buf, kLen));
 }
 
 TEST_F(MetricsLibraryTest, SendToUMANotEnabled) {
   SetMetricsEnabled(false);
   EXPECT_TRUE(lib_.SendToUMA("Test.Metric", 2, 1, 100, 50));
   EXPECT_FALSE(file_util::PathExists(kTestUMAEventsFile));
 }
 
+TEST_F(MetricsLibraryTest, SendUserActionToUMA) {
+  char buf[100];
+  const int kLen = 30;
+  EXPECT_TRUE(lib_.SendUserActionToUMA("SomeKeyPressed"));
+  EXPECT_EQ(kLen, file_util::ReadFile(kTestUMAEventsFile, buf, 100));
+
+  char exp[kLen];
+  sprintf(exp, "%c%c%c%cuseraction%cSomeKeyPressed", kLen, 0, 0, 0, 0);
+  EXPECT_EQ(0, memcmp(exp, buf, kLen));
+}
+
+TEST_F(MetricsLibraryTest, SendUserActionToUMANotEnabled) {
+  SetMetricsEnabled(false);
+  EXPECT_TRUE(lib_.SendUserActionToUMA("SomeOtherKeyPressed"));
+  EXPECT_FALSE(file_util::PathExists(kTestUMAEventsFile));
+}
+
 class CMetricsLibraryTest : public testing::Test {
  protected:
   virtual void SetUp() {
     lib_ = CMetricsLibraryNew();
     MetricsLibrary& ml = *reinterpret_cast<MetricsLibrary*>(lib_);
     EXPECT_EQ(NULL, ml.uma_events_file_);
     CMetricsLibraryInit(lib_);
     EXPECT_TRUE(NULL != ml.uma_events_file_);
     ml.uma_events_file_ = kTestUMAEventsFile.value().c_str();
     SetMetricsEnabled(true);
@@ skipping 34 matching lines @@
   char buf[100];
   const int kLen = 37;
   EXPECT_TRUE(CMetricsLibrarySendToUMA(lib_, "Test.Metric", 2, 1, 100, 50));
   EXPECT_EQ(kLen, file_util::ReadFile(kTestUMAEventsFile, buf, 100));
 
   char exp[kLen];
   sprintf(exp, "%c%c%c%chistogram%cTest.Metric 2 1 100 50", kLen, 0, 0, 0, 0);
   EXPECT_EQ(0, memcmp(exp, buf, kLen));
 }
 
+TEST_F(CMetricsLibraryTest, SendUserActionToUMA) {
+  char buf[100];
+  const int kLen = 30;
+  EXPECT_TRUE(CMetricsLibrarySendUserActionToUMA(lib_, "SomeKeyPressed"));
+  EXPECT_EQ(kLen, file_util::ReadFile(kTestUMAEventsFile, buf, 100));
+
+  char exp[kLen];
+  sprintf(exp, "%c%c%c%cuseraction%cSomeKeyPressed", kLen, 0, 0, 0, 0);
+  EXPECT_EQ(0, memcmp(exp, buf, kLen));
+}
+
 int main(int argc, char** argv) {
   testing::InitGoogleTest(&argc, argv);
   return RUN_ALL_TESTS();
 }