Merge M52: Add AntiVirus information to the system profile.

chrome/browser/metrics/antivirus_metrics_provider_win_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 "chrome/browser/metrics/antivirus_metrics_provider_win.h"
+
+#include <vector>
+
+#include "base/bind.h"
+#include "base/feature_list.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/weak_ptr.h"
+#include "base/message_loop/message_loop.h"
+#include "base/run_loop.h"
+#include "base/strings/sys_string_conversions.h"
+#include "base/test/histogram_tester.h"
+#include "base/threading/thread_restrictions.h"
+#include "base/version.h"
+#include "base/win/windows_version.h"
+#include "components/variations/metrics_util.h"
+#include "content/public/browser/browser_thread.h"
+#include "content/public/test/test_browser_thread_bundle.h"
+#include "content/public/test/test_utils.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+
+// Helper function to toggle whether the ReportFullAVProductDetails feature is
+// enabled or not.
+void SetFullNamesFeatureEnabled(bool enabled) {
+  base::FeatureList::ClearInstanceForTesting();
+  std::unique_ptr<base::FeatureList> feature_list(new base::FeatureList);
+  if (enabled) {
+    feature_list->InitializeFromCommandLine(
+        AntiVirusMetricsProvider::kReportNamesFeature.name, std::string());
+  } else {
+    feature_list->InitializeFromCommandLine(
+        std::string(), AntiVirusMetricsProvider::kReportNamesFeature.name);
+  }
+  base::FeatureList::SetInstance(std::move(feature_list));
+}
+
+void VerifySystemProfileData(const metrics::SystemProfileProto& system_profile,
+                             bool expect_unhashed_value) {
+  const char kWindowsDefender[] = "Windows Defender";
+
+  if (base::win::GetVersion() >= base::win::VERSION_WIN8) {
+    bool defender_found = false;
+    for (const auto& av : system_profile.antivirus_product()) {
+      if (av.product_name_hash() == metrics::HashName(kWindowsDefender)) {
+        defender_found = true;
+        if (expect_unhashed_value) {
+          EXPECT_TRUE(av.has_product_name());
+          EXPECT_EQ(kWindowsDefender, av.product_name());
+        } else {
+          EXPECT_FALSE(av.has_product_name());
+        }
+        break;
+      }
+    }
+    EXPECT_TRUE(defender_found);
+  }
+}
+
+}  // namespace
+
+class AntiVirusMetricsProviderTest : public ::testing::TestWithParam<bool> {
+ public:
+  AntiVirusMetricsProviderTest()
+      : got_results_(false),
+        expect_unhashed_value_(GetParam()),
+        provider_(new AntiVirusMetricsProvider(
+            content::BrowserThread::GetMessageLoopProxyForThread(
+                content::BrowserThread::FILE))),
+        thread_bundle_(content::TestBrowserThreadBundle::REAL_FILE_THREAD),
+        weak_ptr_factory_(this) {}
+
+  void GetMetricsCallback() {
+    ASSERT_TRUE(base::MessageLoop::current()->is_running());
+    base::MessageLoop::current()->QuitWhenIdle();
+
+    got_results_ = true;
+
+    metrics::SystemProfileProto system_profile;
+    provider_->ProvideSystemProfileMetrics(&system_profile);
+
+    VerifySystemProfileData(system_profile, expect_unhashed_value_);
+    // This looks weird, but it's to make sure that reading the data out of the
+    // AntiVirusMetricsProvider does not invalidate it, as the class should be
+    // resilient to this.
+    system_profile.Clear();
+    provider_->ProvideSystemProfileMetrics(&system_profile);
+    VerifySystemProfileData(system_profile, expect_unhashed_value_);
+  }
+
+  bool got_results_;
+  bool expect_unhashed_value_;
+  std::unique_ptr<AntiVirusMetricsProvider> provider_;
+  content::TestBrowserThreadBundle thread_bundle_;
+  base::WeakPtrFactory<AntiVirusMetricsProviderTest> weak_ptr_factory_;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(AntiVirusMetricsProviderTest);
+};
+
+TEST_P(AntiVirusMetricsProviderTest, GetMetricsFullName) {
+  base::HistogramTester histograms;
+  SetFullNamesFeatureEnabled(expect_unhashed_value_);
+  // Make sure the I/O is happening on the FILE thread by disallowing it on
+  // the main thread.
+  bool previous_value = base::ThreadRestrictions::SetIOAllowed(false);
+  provider_->GetAntiVirusMetrics(
+      base::Bind(&AntiVirusMetricsProviderTest::GetMetricsCallback,
+                 weak_ptr_factory_.GetWeakPtr()));
+  content::RunMessageLoop();
+  EXPECT_TRUE(got_results_);
+  base::ThreadRestrictions::SetIOAllowed(previous_value);
+
+  AntiVirusMetricsProvider::ResultCode expected_result =
+      AntiVirusMetricsProvider::RESULT_SUCCESS;
+  if (base::win::OSInfo::GetInstance()->version_type() ==
+      base::win::SUITE_SERVER)
+    expected_result = AntiVirusMetricsProvider::RESULT_WSC_NOT_AVAILABLE;
+  histograms.ExpectUniqueSample("UMA.AntiVirusMetricsProvider.Result",
+                                expected_result, 1);
+}
+
+INSTANTIATE_TEST_CASE_P(, AntiVirusMetricsProviderTest, ::testing::Bool());