Background tracing: Added trace_chance

content/browser/tracing/background_tracing_config_unittest.cc

 // Copyright 2015 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/json/json_reader.h"
 #include "base/json/json_writer.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/values.h"
 #include "content/browser/tracing/background_tracing_config_impl.h"
 #include "content/browser/tracing/background_tracing_rule.h"
@@ skipping 277 matching lines @@
       "{\"mode\":\"REACTIVE_TRACING_MODE\",\"configs\": [{\"rule\": "
       "\"TRACE_ON_NAVIGATION_UNTIL_TRIGGER_OR_FULL\", "
       "\"category\": \"BENCHMARK_DEEP\", \"trigger_name\": \"foo\"}]}");
   EXPECT_TRUE(config);
   EXPECT_EQ(config->tracing_mode(), BackgroundTracingConfig::REACTIVE);
   EXPECT_EQ(config->rules().size(), 1u);
   EXPECT_EQ(RuleToString(config->rules()[0]),
             "{\"category\":\"BENCHMARK_DEEP\","
             "\"rule\":\"TRACE_ON_NAVIGATION_UNTIL_TRIGGER_OR_FULL\","
             "\"trigger_name\":\"foo\"}");
+
   config = ReadFromJSONString(
       "{\"mode\":\"REACTIVE_TRACING_MODE\",\"configs\": [{\"rule\": "
       "\"TRACE_ON_NAVIGATION_UNTIL_TRIGGER_OR_FULL\", "
+      "\"category\": \"BENCHMARK_DEEP\", \"trigger_name\": \"foo\", "
+      "\"trigger_chance\": 0.5}]}");
+  EXPECT_TRUE(config);
+  EXPECT_EQ(config->tracing_mode(), BackgroundTracingConfig::REACTIVE);
+  EXPECT_EQ(config->rules().size(), 1u);
+  EXPECT_EQ(RuleToString(config->rules()[0]),
+            "{\"category\":\"BENCHMARK_DEEP\","
+            "\"rule\":\"TRACE_ON_NAVIGATION_UNTIL_TRIGGER_OR_FULL\","
+            "\"trigger_chance\":0.5,\"trigger_name\":\"foo\"}");
+
+  config = ReadFromJSONString(
+      "{\"mode\":\"REACTIVE_TRACING_MODE\",\"configs\": [{\"rule\": "
+      "\"TRACE_ON_NAVIGATION_UNTIL_TRIGGER_OR_FULL\", "
       "\"category\": \"BENCHMARK_DEEP\", \"trigger_name\": "
       "\"foo1\"},{\"rule\": "
       "\"TRACE_ON_NAVIGATION_UNTIL_TRIGGER_OR_FULL\", "
       "\"category\": \"BENCHMARK_DEEP\", \"trigger_name\": \"foo2\"}]}");
   EXPECT_TRUE(config);
   EXPECT_EQ(config->tracing_mode(), BackgroundTracingConfig::REACTIVE);
   EXPECT_EQ(config->rules().size(), 2u);
   EXPECT_EQ(RuleToString(config->rules()[0]),
             "{\"category\":\"BENCHMARK_DEEP\","
             "\"rule\":\"TRACE_ON_NAVIGATION_UNTIL_TRIGGER_OR_FULL\","
@@ skipping 45 matching lines @@
               "\"foo\"}],\"mode\":\"PREEMPTIVE_TRACING_MODE\"}");
   }
 
   {
     config.reset(
         new BackgroundTracingConfigImpl(BackgroundTracingConfig::PREEMPTIVE));
     config->set_category_preset(BackgroundTracingConfigImpl::BENCHMARK_DEEP);
 
     scoped_ptr<base::DictionaryValue> dict(new base::DictionaryValue());
     dict->SetString("rule", "MONITOR_AND_DUMP_WHEN_TRIGGER_NAMED");
+    dict->SetString("trigger_name", "foo");
+    dict->SetDouble("trigger_chance", 0.5);
+    config->AddPreemptiveRule(dict.get());
+
+    EXPECT_EQ(
+        ConfigToString(config.get()),
+        "{\"category\":\"BENCHMARK_DEEP\",\"configs\":[{\"rule\":"
+        "\"MONITOR_AND_DUMP_WHEN_TRIGGER_NAMED\",\"trigger_chance\":0.5,"
+        "\"trigger_name\":\"foo\"}],\"mode\":\"PREEMPTIVE_TRACING_MODE\"}");
+  }
+
+  {
+    config.reset(
+        new BackgroundTracingConfigImpl(BackgroundTracingConfig::PREEMPTIVE));
+    config->set_category_preset(BackgroundTracingConfigImpl::BENCHMARK_DEEP);
+
+    scoped_ptr<base::DictionaryValue> dict(new base::DictionaryValue());
+    dict->SetString("rule", "MONITOR_AND_DUMP_WHEN_TRIGGER_NAMED");
     dict->SetString("trigger_name", "foo1");
     config->AddPreemptiveRule(dict.get());
 
     dict->SetString("trigger_name", "foo2");
     config->AddPreemptiveRule(dict.get());
 
     EXPECT_EQ(ConfigToString(config.get()),
               "{\"category\":\"BENCHMARK_DEEP\",\"configs\":[{\"rule\":"
               "\"MONITOR_AND_DUMP_WHEN_TRIGGER_NAMED\",\"trigger_name\":"
               "\"foo1\"},{\"rule\":\"MONITOR_AND_DUMP_WHEN_TRIGGER_NAMED\","
@@ skipping 156 matching lines @@
         ConfigToString(config.get()),
         "{\"configs\":[{\"category\":\"BENCHMARK_DEEP\",\"rule\":\"TRACE_"
         "ON_NAVIGATION_UNTIL_TRIGGER_OR_FULL\",\"trigger_name\":\"foo1\"},{"
         "\"category\":\"BENCHMARK_DEEP\",\"rule\":"
         "\"TRACE_ON_NAVIGATION_UNTIL_TRIGGER_OR_FULL\",\"trigger_name\":"
         "\"foo2\"}],\"mode\":\"REACTIVE_TRACING_MODE\"}");
   }
 }
 
 }  // namspace content