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settings_plugin_unittests.cc
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1 // Copyright 2013 The Flutter Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "flutter/shell/platform/windows/settings_plugin.h"
6
7 #include "flutter/fml/macros.h"
8 #include "flutter/shell/platform/windows/task_runner.h"
9 #include "flutter/shell/platform/windows/testing/test_binary_messenger.h"
10 #include "gmock/gmock.h"
11 #include "gtest/gtest.h"
12
13 namespace flutter {
14 namespace testing {
15
16 namespace {
17
18 class MockSettingsPlugin : public SettingsPlugin {
19 public:
20 explicit MockSettingsPlugin(BinaryMessenger* messenger,
21 TaskRunner* task_runner)
22 : SettingsPlugin(messenger, task_runner) {}
23
24 virtual ~MockSettingsPlugin() = default;
25
26 bool is_high_contrast() { return is_high_contrast_; }
27
28 // |SettingsPlugin|
29 MOCK_METHOD(bool, GetAlwaysUse24HourFormat, (), (override));
30 MOCK_METHOD(float, GetTextScaleFactor, (), (override));
31 MOCK_METHOD(PlatformBrightness, GetPreferredBrightness, (), (override));
32
33 MOCK_METHOD(void, WatchPreferredBrightnessChanged, (), (override));
34 MOCK_METHOD(void, WatchTextScaleFactorChanged, (), (override));
35
36 private:
37 FML_DISALLOW_COPY_AND_ASSIGN(MockSettingsPlugin);
38 };
39
40 } // namespace
41
42 TEST(SettingsPluginTest, SendSettingsSendsMessage) {
43 bool message_is_sent = false;
44 TestBinaryMessenger messenger(
45 [&message_is_sent](const std::string& channel, const uint8_t* message,
46 size_t message_size,
47 BinaryReply reply) { message_is_sent = true; });
48 ::testing::NiceMock<MockSettingsPlugin> settings_plugin(&messenger, nullptr);
49
50 settings_plugin.SendSettings();
51
52 EXPECT_TRUE(message_is_sent);
53 }
54
55 TEST(SettingsPluginTest, SendSettingsGetsSettings) {
56 TestBinaryMessenger messenger([](const std::string& channel,
57 const uint8_t* message, size_t message_size,
58 BinaryReply reply) {});
59 ::testing::NiceMock<MockSettingsPlugin> settings_plugin(&messenger, nullptr);
60
61 EXPECT_CALL(settings_plugin, GetAlwaysUse24HourFormat).Times(1);
62 EXPECT_CALL(settings_plugin, GetTextScaleFactor).Times(1);
63 EXPECT_CALL(settings_plugin, GetPreferredBrightness).Times(1);
64
65 settings_plugin.SendSettings();
66 }
67
68 TEST(SettingsPluginTest, StartWatchingStartsWatchingChanges) {
69 TestBinaryMessenger messenger([](const std::string& channel,
70 const uint8_t* message, size_t message_size,
71 BinaryReply reply) {});
72 ::testing::NiceMock<MockSettingsPlugin> settings_plugin(&messenger, nullptr);
73
74 EXPECT_CALL(settings_plugin, WatchPreferredBrightnessChanged).Times(1);
75 EXPECT_CALL(settings_plugin, WatchTextScaleFactorChanged).Times(1);
76
77 settings_plugin.StartWatching();
78 }
79
80 TEST(SettingsPluginTest, HighContrastModeHonored) {
81 int times = 0;
82 TestBinaryMessenger messenger(
83 [&times](const std::string& channel, const uint8_t* message,
84 size_t message_size, BinaryReply reply) {
85 ASSERT_EQ(channel, "flutter/settings");
86 times++;
87 });
88 ::testing::NiceMock<MockSettingsPlugin> settings_plugin(&messenger, nullptr);
89
90 settings_plugin.UpdateHighContrastMode(true);
91 EXPECT_TRUE(settings_plugin.is_high_contrast());
92
93 settings_plugin.UpdateHighContrastMode(false);
94 EXPECT_FALSE(settings_plugin.is_high_contrast());
95
96 EXPECT_EQ(times, 2);
97 }
98
99 } // namespace testing
100 } // namespace flutter
settings_plugin.h
flutter::BinaryReply
std::function< void(const uint8_t *reply, size_t reply_size)> BinaryReply
Definition: binary_messenger.h:17
flutter
Definition: accessibility_bridge_windows.cc:11
flutter::testing::TEST
TEST(AccessibilityBridgeWindows, GetParent)
Definition: accessibility_bridge_windows_unittests.cc:233
message
Win32Message message
Definition: keyboard_unittests.cc:137
task_runner.h