Begin to separate the MetricsService logic for creating vs uploading logs

chrome/common/metrics/metrics_log_manager_unittest.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 "chrome/common/metrics/metrics_log_base.h"
 #include "chrome/common/metrics/metrics_log_manager.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 #include <string>
 #include <vector>
@@ skipping 29 matching lines @@
 TEST(MetricsLogManagerTest, StandardFlow) {
   MetricsLogManager log_manager;
 
   // Make sure a new manager has a clean slate.
   EXPECT_EQ(NULL, log_manager.current_log());
   EXPECT_FALSE(log_manager.has_staged_log());
   EXPECT_FALSE(log_manager.has_unsent_logs());
 
   // Check that the normal flow works.
   MetricsLogBase* initial_log = new MetricsLogBase("id", 0, "version");
-  log_manager.BeginLoggingWithLog(initial_log);
+  log_manager.BeginLoggingWithLog(initial_log, MetricsLogManager::INITIAL_LOG);
   EXPECT_EQ(initial_log, log_manager.current_log());
   EXPECT_FALSE(log_manager.has_staged_log());
 
-  log_manager.StageCurrentLogForUpload();
+  log_manager.FinishCurrentLog();
   EXPECT_EQ(NULL, log_manager.current_log());
+  EXPECT_TRUE(log_manager.has_unsent_logs());
+  EXPECT_FALSE(log_manager.has_staged_log());
+
+  MetricsLogBase* second_log = new MetricsLogBase("id", 0, "version");
+  log_manager.BeginLoggingWithLog(second_log, MetricsLogManager::ONGOING_LOG);
+  EXPECT_EQ(second_log, log_manager.current_log());
+
+  log_manager.StageNextLogForUpload();
   EXPECT_TRUE(log_manager.has_staged_log());
   EXPECT_FALSE(log_manager.staged_log_text().empty());
 
-  MetricsLogBase* second_log = new MetricsLogBase("id", 0, "version");
-  log_manager.BeginLoggingWithLog(second_log);
-  EXPECT_EQ(second_log, log_manager.current_log());
-  EXPECT_TRUE(log_manager.has_staged_log());
-
   log_manager.DiscardStagedLog();
   EXPECT_EQ(second_log, log_manager.current_log());
   EXPECT_FALSE(log_manager.has_staged_log());
+  EXPECT_FALSE(log_manager.has_unsent_logs());
   EXPECT_TRUE(log_manager.staged_log_text().empty());
 
   EXPECT_FALSE(log_manager.has_unsent_logs());
 }
 
 TEST(MetricsLogManagerTest, AbandonedLog) {
   MetricsLogManager log_manager;
 
   MetricsLogBase* dummy_log = new MetricsLogBase("id", 0, "version");
-  log_manager.BeginLoggingWithLog(dummy_log);
+  log_manager.BeginLoggingWithLog(dummy_log, MetricsLogManager::INITIAL_LOG);
   EXPECT_EQ(dummy_log, log_manager.current_log());
 
   log_manager.DiscardCurrentLog();
   EXPECT_EQ(NULL, log_manager.current_log());
   EXPECT_FALSE(log_manager.has_staged_log());
 }
 
 TEST(MetricsLogManagerTest, InterjectedLog) {
   MetricsLogManager log_manager;
 
   MetricsLogBase* ongoing_log = new MetricsLogBase("id", 0, "version");
   MetricsLogBase* temp_log = new MetricsLogBase("id", 0, "version");
 
-  log_manager.BeginLoggingWithLog(ongoing_log);
+  log_manager.BeginLoggingWithLog(ongoing_log, MetricsLogManager::ONGOING_LOG);
   EXPECT_EQ(ongoing_log, log_manager.current_log());
 
   log_manager.PauseCurrentLog();
   EXPECT_EQ(NULL, log_manager.current_log());
 
-  log_manager.BeginLoggingWithLog(temp_log);
+  log_manager.BeginLoggingWithLog(temp_log, MetricsLogManager::INITIAL_LOG);
   EXPECT_EQ(temp_log, log_manager.current_log());
-  log_manager.StageCurrentLogForUpload();
-  EXPECT_TRUE(log_manager.has_staged_log());
-  log_manager.DiscardStagedLog();
+  log_manager.FinishCurrentLog();
   EXPECT_EQ(NULL, log_manager.current_log());
-  EXPECT_FALSE(log_manager.has_staged_log());
 
   log_manager.ResumePausedLog();
   EXPECT_EQ(ongoing_log, log_manager.current_log());
+
   EXPECT_FALSE(log_manager.has_staged_log());
-
+  log_manager.StageNextLogForUpload();
+  log_manager.DiscardStagedLog();
   EXPECT_FALSE(log_manager.has_unsent_logs());
 }
 
 TEST(MetricsLogManagerTest, StoreAndLoad) {
   std::vector<std::string> initial_logs;
   std::vector<std::string> ongoing_logs;
 
   // Set up some in-progress logging in a scoped log manager simulating the
   // leadup to quitting, then persist as would be done on quit.
   {
     MetricsLogManager log_manager;
     DummyLogSerializer* serializer = new DummyLogSerializer;
     log_manager.set_log_serializer(serializer);
     // Simulate a log having already been unsent from a previous session.
     serializer->persisted_logs_[MetricsLogManager::ONGOING_LOG].push_back("a");
     EXPECT_FALSE(log_manager.has_unsent_logs());
     log_manager.LoadPersistedUnsentLogs();
     EXPECT_TRUE(log_manager.has_unsent_logs());
 
     MetricsLogBase* log1 = new MetricsLogBase("id", 0, "version");
     MetricsLogBase* log2 = new MetricsLogBase("id", 0, "version");
-    log_manager.BeginLoggingWithLog(log1);
-    log_manager.StageCurrentLogForUpload();
-    log_manager.BeginLoggingWithLog(log2);
-    log_manager.StoreStagedLogAsUnsent(MetricsLogManager::INITIAL_LOG);
-    log_manager.StageCurrentLogForUpload();
-    log_manager.StoreStagedLogAsUnsent(MetricsLogManager::ONGOING_LOG);
+    log_manager.BeginLoggingWithLog(log1, MetricsLogManager::INITIAL_LOG);
+    log_manager.FinishCurrentLog();
+    log_manager.BeginLoggingWithLog(log2, MetricsLogManager::ONGOING_LOG);
+    log_manager.StageNextLogForUpload();
+    log_manager.StoreStagedLogAsUnsent();
+    log_manager.FinishCurrentLog();
 
     // Nothing should be written out until PersistUnsentLogs is called.
     EXPECT_EQ(0U, serializer->TypeCount(MetricsLogManager::INITIAL_LOG));
     EXPECT_EQ(1U, serializer->TypeCount(MetricsLogManager::ONGOING_LOG));
     log_manager.PersistUnsentLogs();
     EXPECT_EQ(1U, serializer->TypeCount(MetricsLogManager::INITIAL_LOG));
     EXPECT_EQ(2U, serializer->TypeCount(MetricsLogManager::ONGOING_LOG));
 
     // Save the logs to transfer over to a new serializer (since log_manager
     // owns |serializer|, so it's about to go away.
     initial_logs = serializer->persisted_logs_[MetricsLogManager::INITIAL_LOG];
     ongoing_logs = serializer->persisted_logs_[MetricsLogManager::ONGOING_LOG];
   }
 
   // Now simulate the relaunch, ensure that the log manager restores
   // everything correctly, and verify that once the are handled they are not
   // re-persisted.
   {
     MetricsLogManager log_manager;
 
     DummyLogSerializer* serializer = new DummyLogSerializer;
     serializer->persisted_logs_[MetricsLogManager::INITIAL_LOG] = initial_logs;
     serializer->persisted_logs_[MetricsLogManager::ONGOING_LOG] = ongoing_logs;
 
     log_manager.set_log_serializer(serializer);
     log_manager.LoadPersistedUnsentLogs();
     EXPECT_TRUE(log_manager.has_unsent_logs());
 
-    log_manager.StageNextStoredLogForUpload();
+    log_manager.StageNextLogForUpload();
     log_manager.DiscardStagedLog();
     // The initial log should be sent first; update the persisted storage to
     // verify.
     log_manager.PersistUnsentLogs();
     EXPECT_EQ(0U, serializer->TypeCount(MetricsLogManager::INITIAL_LOG));
     EXPECT_EQ(2U, serializer->TypeCount(MetricsLogManager::ONGOING_LOG));
 
     // Handle the first ongoing log.
-    log_manager.StageNextStoredLogForUpload();
+    log_manager.StageNextLogForUpload();
     log_manager.DiscardStagedLog();
     EXPECT_TRUE(log_manager.has_unsent_logs());
 
     // Handle the last log.
-    log_manager.StageNextStoredLogForUpload();
+    log_manager.StageNextLogForUpload();
     log_manager.DiscardStagedLog();
     EXPECT_FALSE(log_manager.has_unsent_logs());
 
     // Nothing should have changed "on disk" since PersistUnsentLogs hasn't been
     // called again.
     EXPECT_EQ(2U, serializer->TypeCount(MetricsLogManager::ONGOING_LOG));
     // Persist, and make sure nothing is left.
     log_manager.PersistUnsentLogs();
     EXPECT_EQ(0U, serializer->TypeCount(MetricsLogManager::INITIAL_LOG));
     EXPECT_EQ(0U, serializer->TypeCount(MetricsLogManager::ONGOING_LOG));
   }
 }
 
 TEST(MetricsLogManagerTest, LargeLogDiscarding) {
   MetricsLogManager log_manager;
   DummyLogSerializer* serializer = new DummyLogSerializer;
   log_manager.set_log_serializer(serializer);
   // Set the size threshold very low, to verify that it's honored.
   log_manager.set_max_ongoing_log_store_size(1);
 
   MetricsLogBase* log1 = new MetricsLogBase("id", 0, "version");
   MetricsLogBase* log2 = new MetricsLogBase("id", 0, "version");
-  log_manager.BeginLoggingWithLog(log1);
-  log_manager.StageCurrentLogForUpload();
-  log_manager.BeginLoggingWithLog(log2);
-  log_manager.StoreStagedLogAsUnsent(MetricsLogManager::INITIAL_LOG);
-  log_manager.StageCurrentLogForUpload();
-  log_manager.StoreStagedLogAsUnsent(MetricsLogManager::ONGOING_LOG);
+  log_manager.BeginLoggingWithLog(log1, MetricsLogManager::INITIAL_LOG);
+  log_manager.FinishCurrentLog();
+  log_manager.BeginLoggingWithLog(log2, MetricsLogManager::ONGOING_LOG);
+  log_manager.FinishCurrentLog();
 
   // Only the ongoing log should be written out, due to the threshold.
   log_manager.PersistUnsentLogs();
   EXPECT_EQ(1U, serializer->TypeCount(MetricsLogManager::INITIAL_LOG));
   EXPECT_EQ(0U, serializer->TypeCount(MetricsLogManager::ONGOING_LOG));
 }