chrome/browser/chromeos/input_method/ refactoring [part 6 of 6]

chrome/browser/chromeos/input_method/ibus_controller_base_unittest.cc

+// 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 "base/logging.h"
+#include "base/memory/scoped_ptr.h"
+#include "chrome/browser/chromeos/input_method/ibus_controller_base.h"
+#include "chrome/browser/chromeos/input_method/input_method_config.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace chromeos {
+namespace input_method {
+
+namespace {
+
+// A mock class for testing SetInputMethodConfig(), AddObserver(), and
+// RemoveObserver() methods in IBusControllerBase.
+class TestIBusController : public IBusControllerBase {
+ public:
+  TestIBusController()
+      : set_input_method_config_internal_count_(0),
+        set_input_method_config_internal_return_(true) {
+  }
+  virtual ~TestIBusController() {
+  }
+
+  // IBusController overrides:
+  virtual bool Start() OVERRIDE {
+    return true;
+  }
+  virtual bool Stop() OVERRIDE {
+    return true;
+  }
+  virtual bool ChangeInputMethod(const std::string& id) OVERRIDE {
+    return true;
+  }
+  virtual bool ActivateInputMethodProperty(const std::string& key) OVERRIDE {
+    return true;
+  }
+#if defined(USE_VIRTUAL_KEYBOARD)
+  virtual void SendHandwritingStroke(const HandwritingStroke& stroke) OVERRIDE {
+  }
+  virtual void CancelHandwriting(int n_strokes) OVERRIDE {
+  }
+#endif
+
+  size_t GetObserverCount() const {
+    return observers_.size();
+  }
+
+  int set_input_method_config_internal_count() const {
+    return set_input_method_config_internal_count_;
+  }
+  void set_set_input_method_config_internal_return(bool new_value) {
+    set_input_method_config_internal_return_ = new_value;
+  }
+  const ConfigKeyType& last_key() const { return last_key_; }
+
+ protected:
+  virtual bool SetInputMethodConfigInternal(
+      const ConfigKeyType& key,
+      const InputMethodConfigValue& value) OVERRIDE {
+    ++set_input_method_config_internal_count_;
+    last_key_ = key;
+    return set_input_method_config_internal_return_;
+  }
+
+ private:
+  int set_input_method_config_internal_count_;
+  bool set_input_method_config_internal_return_;
+  ConfigKeyType last_key_;
+
+  DISALLOW_COPY_AND_ASSIGN(TestIBusController);
+};
+
+class TestObserver : public IBusController::Observer {
+ public:
+  // IBusController::Observer overrides:
+  virtual void PropertyChanged() OVERRIDE {}
+};
+
+class IBusControllerBaseTest : public testing::Test {
+ public:
+  virtual void SetUp() {
+    controller_.reset(new TestIBusController);
+  }
+  virtual void TearDown() {
+    controller_.reset();
+  }
+
+ protected:
+  scoped_ptr<TestIBusController> controller_;
+};
+
+}  // namespace
+
+TEST_F(IBusControllerBaseTest, TestSetInputMethodConfig) {
+  InputMethodConfigValue value_set;
+  InputMethodConfigValue value_get;
+  EXPECT_FALSE(controller_->GetInputMethodConfigForTesting("section",
+                                                           "name",
+                                                           &value_get));
+  EXPECT_EQ(0, controller_->set_input_method_config_internal_count());
+
+  // Set a value.
+  value_set.type = InputMethodConfigValue::kValueTypeInt;
+  value_set.int_value = 12345;
+  EXPECT_TRUE(controller_->SetInputMethodConfig("section",
+                                                "name",
+                                                value_set));
+  EXPECT_EQ(1, controller_->set_input_method_config_internal_count());
+  EXPECT_EQ("section", controller_->last_key().first);
+  EXPECT_EQ("name", controller_->last_key().second);
+
+  // Get the value.
+  EXPECT_TRUE(controller_->GetInputMethodConfigForTesting("section",
+                                                          "name",
+                                                          &value_get));
+  EXPECT_EQ(value_set.type, value_get.type);
+  EXPECT_EQ(value_set.int_value, value_get.int_value);
+
+  // Set another value.
+  value_set.type = InputMethodConfigValue::kValueTypeBool;
+  value_set.bool_value = true;
+  EXPECT_TRUE(controller_->SetInputMethodConfig("section/2",
+                                                "name2",
+                                                value_set));
+  EXPECT_EQ(2, controller_->set_input_method_config_internal_count());
+  EXPECT_EQ("section/2", controller_->last_key().first);
+  EXPECT_EQ("name2", controller_->last_key().second);
+
+  // Overwrite the first value.
+  value_set.type = InputMethodConfigValue::kValueTypeInt;
+  value_set.int_value = 54321;
+  EXPECT_TRUE(controller_->SetInputMethodConfig("section",
+                                                "name",
+                                                value_set));
+  EXPECT_EQ(3, controller_->set_input_method_config_internal_count());
+  EXPECT_EQ("section", controller_->last_key().first);
+  EXPECT_EQ("name", controller_->last_key().second);
+
+  // Get the value.
+  EXPECT_TRUE(controller_->GetInputMethodConfigForTesting("section",
+                                                          "name",
+                                                          &value_get));
+  EXPECT_EQ(value_set.type, value_get.type);
+  EXPECT_EQ(value_set.int_value, value_get.int_value);
+
+  // Get a non existent value.
+  EXPECT_FALSE(controller_->GetInputMethodConfigForTesting("sectionX",
+                                                           "name",
+                                                           &value_get));
+  EXPECT_FALSE(controller_->GetInputMethodConfigForTesting("section",
+                                                           "nameX",
+                                                           &value_get));
+}
+
+TEST_F(IBusControllerBaseTest, TestSetInputMethodConfigInternal) {
+  InputMethodConfigValue value_set;
+  InputMethodConfigValue value_get;
+  // Set a value. In this case, SetInputMethodConfigInternal returns false.
+  controller_->set_set_input_method_config_internal_return(false);
+  value_set.type = InputMethodConfigValue::kValueTypeInt;
+  value_set.int_value = 12345;
+  EXPECT_FALSE(controller_->SetInputMethodConfig("section",
+                                                 "name",
+                                                 value_set));
+  EXPECT_EQ(1, controller_->set_input_method_config_internal_count());
+
+  // Getting the value should fail.
+  EXPECT_FALSE(controller_->GetInputMethodConfigForTesting("section",
+                                                           "name",
+                                                           &value_get));
+}
+
+TEST_F(IBusControllerBaseTest, TestAddRemoveObserver) {
+  TestObserver observer1;
+  TestObserver observer2;
+  TestObserver observer3;
+  EXPECT_EQ(0U, controller_->GetObserverCount());
+  controller_->AddObserver(&observer1);
+  EXPECT_EQ(1U, controller_->GetObserverCount());
+  controller_->AddObserver(&observer2);
+  EXPECT_EQ(2U, controller_->GetObserverCount());
+  controller_->RemoveObserver(&observer3);  // nop
+  EXPECT_EQ(2U, controller_->GetObserverCount());
+  controller_->RemoveObserver(&observer1);
+  EXPECT_EQ(1U, controller_->GetObserverCount());
+  controller_->RemoveObserver(&observer1);  // nop
+  EXPECT_EQ(1U, controller_->GetObserverCount());
+  controller_->RemoveObserver(&observer2);
+  EXPECT_EQ(0U, controller_->GetObserverCount());
+}
+
+TEST_F(IBusControllerBaseTest, TestGetCurrentProperties) {
+  EXPECT_EQ(0U, controller_->GetCurrentProperties().size());
+}
+
+}  // namespace input_method
+}  // namespace chromeos