#include "gmock/gmock.h"
#include "gtest/gtest.h"

using ::testing::NiceMock;
using ::testing::Return;
using ::testing::_; // Matcher for parameters

// 隣人
class FugaServiceClient
{
public:
    virtual void send(std::string message) = 0;
};

// テスト対象
class Subject {
public:
    void setFugaServiceClient(FugaServiceClient* client) {
        _client = client;
    }

    void sendIfHourIs6(std::string message, int hour) {
        if (hour == 6) {
            _client->send(message);
        }
    }
private:
    FugaServiceClient* _client;
};

class FugaMockClient : public FugaServiceClient {
public:
    FugaMockClient() {}
    MOCK_METHOD1(send, void(std::string));
};

TEST(SubjectWithMock, WhenHourIs6ThenSendMessage) {
    Subject subject;
    NiceMock<FugaMockClient> mock;
    EXPECT_CALL(mock, send("myMessage"))
      .Times(1);
    subject.setFugaServiceClient(&mock);

    subject.sendIfHourIs6("myMessage", 6);
}

TEST(SubjectWithMock, WhenHourIs5ThenNotSendMessage) {
    Subject subject;
    NiceMock<FugaMockClient> mock;
    EXPECT_CALL(mock, send("myMessage"))
      .Times(0);
    subject.setFugaServiceClient(&mock);

    subject.sendIfHourIs6("myMessage", 5);
}