| // 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 "components/spellcheck/browser/spellcheck_host_metrics.h" |
| |
| #include <stddef.h> |
| |
| #include <memory> |
| |
| #include "base/metrics/histogram_samples.h" |
| #include "base/stl_util.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "base/test/metrics/histogram_tester.h" |
| #include "base/test/scoped_task_environment.h" |
| #include "build/build_config.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| class SpellcheckHostMetricsTest : public testing::Test { |
| public: |
| SpellcheckHostMetricsTest() { |
| } |
| |
| void SetUp() override { metrics_.reset(new SpellCheckHostMetrics); } |
| |
| SpellCheckHostMetrics* metrics() { return metrics_.get(); } |
| void RecordWordCountsForTesting() { metrics_->RecordWordCounts(); } |
| |
| private: |
| base::test::ScopedTaskEnvironment task_environment_; |
| std::unique_ptr<SpellCheckHostMetrics> metrics_; |
| }; |
| |
| TEST_F(SpellcheckHostMetricsTest, RecordEnabledStats) { |
| const char kMetricName[] = "SpellCheck.Enabled"; |
| base::HistogramTester histogram_tester1; |
| |
| metrics()->RecordEnabledStats(false); |
| |
| histogram_tester1.ExpectBucketCount(kMetricName, 0, 1); |
| histogram_tester1.ExpectBucketCount(kMetricName, 1, 0); |
| |
| base::HistogramTester histogram_tester2; |
| |
| metrics()->RecordEnabledStats(true); |
| |
| histogram_tester2.ExpectBucketCount(kMetricName, 0, 0); |
| histogram_tester2.ExpectBucketCount(kMetricName, 1, 1); |
| } |
| |
| #if defined(OS_WIN) |
| // Failing consistently on Win7. See crbug.com/230534. |
| #define MAYBE_CustomWordStats DISABLED_CustomWordStats |
| #else |
| #define MAYBE_CustomWordStats CustomWordStats |
| #endif |
| |
| TEST_F(SpellcheckHostMetricsTest, MAYBE_CustomWordStats) { |
| SpellCheckHostMetrics::RecordCustomWordCountStats(123); |
| |
| base::HistogramTester histogram_tester; |
| |
| SpellCheckHostMetrics::RecordCustomWordCountStats(23); |
| histogram_tester.ExpectBucketCount("SpellCheck.CustomWords", 23, 1); |
| } |
| |
| TEST_F(SpellcheckHostMetricsTest, RecordWordCountsDiscardsDuplicates) { |
| // This test ensures that RecordWordCounts only records metrics if they |
| // have changed from the last invocation. |
| const char* const histogram_names[] = { |
| "SpellCheck.CheckedWords", "SpellCheck.MisspelledWords", |
| "SpellCheck.ReplacedWords", "SpellCheck.UniqueWords", |
| "SpellCheck.ShownSuggestions"}; |
| |
| // Ensure all histograms exist. |
| metrics()->RecordCheckedWordStats(base::ASCIIToUTF16("test"), false); |
| RecordWordCountsForTesting(); |
| |
| // Create the tester, taking a snapshot of current histogram samples. |
| base::HistogramTester histogram_tester; |
| |
| // Nothing changed, so this invocation should not affect any histograms. |
| RecordWordCountsForTesting(); |
| |
| // Get samples for all affected histograms. |
| for (size_t i = 0; i < base::size(histogram_names); ++i) |
| histogram_tester.ExpectTotalCount(histogram_names[i], 0); |
| } |
| |
| TEST_F(SpellcheckHostMetricsTest, RecordSpellingServiceStats) { |
| const char kMetricName[] = "SpellCheck.SpellingService.Enabled"; |
| base::HistogramTester histogram_tester1; |
| |
| metrics()->RecordSpellingServiceStats(false); |
| |
| histogram_tester1.ExpectBucketCount(kMetricName, 0, 1); |
| histogram_tester1.ExpectBucketCount(kMetricName, 1, 0); |
| |
| base::HistogramTester histogram_tester2; |
| |
| metrics()->RecordSpellingServiceStats(true); |
| histogram_tester2.ExpectBucketCount(kMetricName, 0, 0); |
| histogram_tester2.ExpectBucketCount(kMetricName, 1, 1); |
| } |