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// Copyright (c) 2006-2008 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 "chrome/browser/controller.h"
#include "base/logging.h"
#include "testing/gtest/include/gtest/gtest.h"
class TestingCommandHandlerMock : public CommandHandler {
public:
virtual void ExecuteCommand(int id) {
EXPECT_EQ(1, id);
}
};
class CommandControllerTest : public testing::Test {
public:
CommandControllerTest() : controller_(&handler_) { }
protected:
CommandController controller_;
TestingCommandHandlerMock handler_;
};
class TestingCommandObserverMock : public CommandObserver {
public:
virtual void SetEnabled(bool enabled) {
enabled_ = enabled;
}
bool enabled() {
return enabled_;
}
private:
bool enabled_;
};
TEST_F(CommandControllerTest, TestBasicAPI) {
// Unsupported command
EXPECT_FALSE(controller_.SupportsCommand(0));
EXPECT_FALSE(controller_.IsCommandEnabled(0));
// TestingCommandHandlerMock::ExecuteCommand should not be called, since
// the command is not supported.
controller_.ExecuteCommand(0);
// Supported, enabled command
controller_.UpdateCommandEnabled(1, true);
EXPECT_TRUE(controller_.SupportsCommand(1));
EXPECT_TRUE(controller_.IsCommandEnabled(1));
controller_.ExecuteCommand(1);
// Supported, disabled command
controller_.UpdateCommandEnabled(2, false);
EXPECT_TRUE(controller_.SupportsCommand(2));
EXPECT_FALSE(controller_.IsCommandEnabled(2));
// TestingCommandHandlerMock::ExecuteCommmand should not be called, since
// the command is disabled
controller_.ExecuteCommand(2);
}
TEST_F(CommandControllerTest, TestObservers) {
TestingCommandHandlerMock handler;
CommandController controller(&handler);
// Create an observer for the command 2 and add it to the controller, then
// update the command.
TestingCommandObserverMock observer;
controller_.AddCommandObserver(2, &observer);
controller_.UpdateCommandEnabled(2, true);
EXPECT_TRUE(observer.enabled());
controller_.UpdateCommandEnabled(2, false);
EXPECT_FALSE(observer.enabled());
// Remove the observer and update the command.
controller_.RemoveCommandObserver(2, &observer);
controller_.UpdateCommandEnabled(2, true);
EXPECT_FALSE(observer.enabled());
}
TEST_F(CommandControllerTest, TestRemoveObserverForUnsupportedCommand) {
TestingCommandHandlerMock handler;
CommandController controller(&handler);
// Test removing observers for commands that are unsupported
TestingCommandObserverMock observer;
controller_.RemoveCommandObserver(3, &observer);
}
TEST_F(CommandControllerTest, TestAddingNullObserver) {
TestingCommandHandlerMock handler;
CommandController controller(&handler);
// Test adding/removing NULL observers
controller_.AddCommandObserver(4, NULL);
}
TEST_F(CommandControllerTest, TestRemovingNullObserver) {
TestingCommandHandlerMock handler;
CommandController controller(&handler);
controller_.RemoveCommandObserver(4, NULL);
}
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