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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ui/views/media_preview/media_preview_metrics.h"
#include "base/test/metrics/histogram_tester.h"
#include "base/time/time.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace media_preview_metrics {
using base::Bucket;
using testing::ElementsAre;
TEST(MediaPreviewMetricsTest, CustomDurationHistogramPermissionPrompt) {
base::HistogramTester tester;
Context context(UiLocation::kPermissionPrompt, PreviewType::kCameraAndMic,
PromptType::kCombined, /*request=*/nullptr);
std::string metric_name =
"MediaPreviews.UI.Permissions.CameraAndMic.Duration";
tester.ExpectTotalCount(metric_name, 0);
// Add one sample to bucket with min_value = 2.
RecordMediaPreviewDuration(context, base::Seconds(3));
tester.ExpectUniqueSample(metric_name, /*sample=*/2,
/*expected_bucket_count=*/1);
// Add one sample to bucket with min_value = 0.
RecordMediaPreviewDuration(context, base::Milliseconds(5.34));
EXPECT_THAT(tester.GetAllSamples(metric_name),
ElementsAre(Bucket(0, 1), Bucket(2, 1)));
// Add one sample to bucket with min_value = 1.
RecordMediaPreviewDuration(context, base::Seconds(1.4));
EXPECT_THAT(tester.GetAllSamples(metric_name),
ElementsAre(Bucket(0, 1), Bucket(1, 1), Bucket(2, 1)));
}
TEST(MediaPreviewMetricsTest, CustomDurationHistogramPageInfo) {
base::HistogramTester tester;
Context context(UiLocation::kPageInfo, PreviewType::kCamera,
PromptType::kSingle, /*request=*/nullptr);
std::string metric_name = "MediaPreviews.UI.PageInfo.Camera.Duration";
tester.ExpectTotalCount(metric_name, 0);
// Add one sample to bucket with min_value = 8.
RecordMediaPreviewDuration(context, base::Seconds(10));
tester.ExpectUniqueSample(metric_name, /*sample=*/8,
/*expected_bucket_count=*/1);
// Add one sample to bucket with min_value = 512 (overflow bucket).
RecordMediaPreviewDuration(context, base::Minutes(10));
EXPECT_THAT(tester.GetAllSamples(metric_name),
ElementsAre(Bucket(8, 1), Bucket(512, 1)));
}
} // namespace media_preview_metrics
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