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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/accessibility/ax_mode_histogram_logger.h"
#include "base/test/metrics/histogram_tester.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace ui {
namespace {
class AXHistogramLoggerTest : public ::testing::Test {
protected:
AXHistogramLoggerTest() = default;
~AXHistogramLoggerTest() override = default;
void SetAXMode(AXMode mode) {
previous_mode_ = mode_;
mode_ = mode;
RecordAccessibilityModeHistograms(prefix_, mode_, previous_mode_);
}
AXHistogramPrefix prefix_ = AXHistogramPrefix::kNone;
AXMode mode_;
AXMode previous_mode_;
};
TEST_F(AXHistogramLoggerTest, ModeTest) {
const std::string histogram_name = "Accessibility.ModeFlag";
base::HistogramTester histogram_tester;
SetAXMode(kAXModeBasic);
histogram_tester.ExpectBucketCount(
histogram_name, AXMode::ModeFlagHistogramValue::UMA_AX_MODE_NATIVE_APIS,
1);
histogram_tester.ExpectBucketCount(
histogram_name, AXMode::ModeFlagHistogramValue::UMA_AX_MODE_WEB_CONTENTS,
1);
histogram_tester.ExpectBucketCount(
histogram_name, AXMode::ModeFlagHistogramValue::UMA_AX_MODE_LABEL_IMAGES,
0);
SetAXMode(AXMode::kLabelImages | AXMode::kNativeAPIs);
// Previously active so state change is not an unset to set transition.
histogram_tester.ExpectBucketCount(
histogram_name, AXMode::ModeFlagHistogramValue::UMA_AX_MODE_NATIVE_APIS,
1);
// Set to unset transition is not logged, and previous histogram value remains
// unchanged.
histogram_tester.ExpectBucketCount(
histogram_name, AXMode::ModeFlagHistogramValue::UMA_AX_MODE_WEB_CONTENTS,
1);
// Freshly added flag.
histogram_tester.ExpectBucketCount(
histogram_name, AXMode::ModeFlagHistogramValue::UMA_AX_MODE_LABEL_IMAGES,
1);
SetAXMode(AXMode::kWebContents);
// New unset to set transition.
histogram_tester.ExpectBucketCount(
histogram_name, AXMode::ModeFlagHistogramValue::UMA_AX_MODE_WEB_CONTENTS,
2);
}
TEST_F(AXHistogramLoggerTest, BundleTest) {
const std::string histogram_name = "Accessibility.Bundle";
base::HistogramTester histogram_tester;
SetAXMode(kAXModeBasic);
histogram_tester.ExpectBucketCount(histogram_name,
AXMode::BundleHistogramValue::kBasic, 1);
histogram_tester.ExpectBucketCount(
histogram_name, AXMode::BundleHistogramValue::kComplete, 0);
SetAXMode(kAXModeComplete);
histogram_tester.ExpectBucketCount(histogram_name,
AXMode::BundleHistogramValue::kBasic, 1);
histogram_tester.ExpectBucketCount(
histogram_name, AXMode::BundleHistogramValue::kComplete, 1);
}
TEST_F(AXHistogramLoggerTest, FormsTest) {
const std::string histogram_name =
"Accessibility.ExperimentalModeFlag.FormControls";
base::HistogramTester histogram_tester;
SetAXMode(kAXModeBasic);
histogram_tester.ExpectBucketCount(histogram_name, true, 0);
SetAXMode(kAXModeFormControls);
histogram_tester.ExpectBucketCount(histogram_name, true, 1);
SetAXMode(AXMode(AXMode::kHTML, AXMode::kExperimentalFormControls));
histogram_tester.ExpectBucketCount(histogram_name, true, 1);
SetAXMode(kAXModeBasic);
histogram_tester.ExpectBucketCount(histogram_name, true, 1);
SetAXMode(kAXModeFormControls);
histogram_tester.ExpectBucketCount(histogram_name, true, 2);
}
TEST_F(AXHistogramLoggerTest, RendererTest) {
base::HistogramTester histogram_tester;
prefix_ = AXHistogramPrefix::kBlink;
SetAXMode(kAXModeFormControls);
histogram_tester.ExpectBucketCount(
"Blink.Accessibility.ModeFlag",
AXMode::ModeFlagHistogramValue::UMA_AX_MODE_WEB_CONTENTS, 1);
histogram_tester.ExpectBucketCount(
"Blink.Accessibility.Bundle", AXMode::BundleHistogramValue::kFormControls,
1);
histogram_tester.ExpectBucketCount(
"Blink.Accessibility.ExperimentalModeFlag.FormControls", true, 1);
}
} // anonymous namespace
} // namespace ui
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