public async Task ShouldReturnErrorWhenUserNotFound()
{
var fakeChannelRepository = new Mock <IChannelRepository>();
var fakeUserRepository = new Mock <IUserRepository>();
fakeUserRepository
.Setup(fake => fake.GetById(It.IsAny <Guid>()))
.Returns(Task.FromResult <GetUserByIdQueryResult>(null));
var command = new JoinChannelCommand
{
UserId = Guid.NewGuid(),
ChannelId = Guid.NewGuid()
};
var handler = new JoinChannelHandler(fakeChannelRepository.Object,
fakeUserRepository.Object);
ICommandResult result = await handler.HandleAsync(command);
result.Success.Should().BeFalse();
result.Errors.Should().HaveCountGreaterThan(0);
handler.Invalid.Should().BeTrue();
command.Valid.Should().BeTrue();
fakeUserRepository.Verify(fake => fake.GetById(It.Is <Guid>(id => id == command.UserId)),
Times.Once());
}
public async Task ShouldReturnSuccessWhenUserIsNotMemberOfChannel()
{
Guid userId = Guid.NewGuid();
Guid channelId = Guid.NewGuid();
var fakeChannelRepository = new Mock <IChannelRepository>();
fakeChannelRepository
.Setup(fake => fake.GetById(It.IsAny <Guid>()))
.ReturnsAsync(new GetChannelByIdQueryResult
{
Id = channelId,
Name = "channel one"
});
fakeChannelRepository.Setup(fake => fake.UserIsMemberOfChannel(It.IsAny <Guid>(), It.IsAny <Guid>()))
.ReturnsAsync(false);
var fakeUserRepository = new Mock <IUserRepository>();
fakeUserRepository
.Setup(fake => fake.GetById(It.IsAny <Guid>()))
.ReturnsAsync(new GetUserByIdQueryResult
{
Id = userId,
Username = "******"
});
var command = new JoinChannelCommand
{
UserId = userId,
ChannelId = channelId
};
var handler = new JoinChannelHandler(fakeChannelRepository.Object,
fakeUserRepository.Object);
ICommandResult result = await handler.HandleAsync(command);
result.Success.Should().BeTrue();
result.Errors.Should().BeNull();
handler.Valid.Should().BeTrue();
command.Valid.Should().BeTrue();
fakeUserRepository.Verify(fake => fake.GetById(It.Is <Guid>(id => id == command.UserId)),
Times.Once());
fakeChannelRepository.Verify(fake => fake.GetById(It.Is <Guid>(id => id == command.ChannelId)),
Times.Once());
fakeChannelRepository.Verify(
fake => fake.UserIsMemberOfChannel(It.Is <Guid>(id => id == userId), It.Is <Guid>(id => id == channelId)),
Times.Once());
fakeChannelRepository.Verify(
fake => fake.AddUserToChannel(
It.Is <Guid>(id => id == userId),
It.Is <Guid>(id => id == channelId),
It.Is <bool>(isAdministrator => isAdministrator == false)),
Times.Once());
}
public async Task ShouldReturnErrorWhenUserAlreadyIsMemberOfChannel()
{
Guid userId = Guid.NewGuid();
Guid channelId = Guid.NewGuid();
var fakeChannelRepository = new Mock <IChannelRepository>();
fakeChannelRepository
.Setup(fake => fake.GetById(It.IsAny <Guid>()))
.ReturnsAsync(new GetChannelByIdQueryResult
{
Id = channelId,
Name = "channel one"
});
fakeChannelRepository.Setup(fake => fake.UserIsMemberOfChannel(It.IsAny <Guid>(), It.IsAny <Guid>()))
.ReturnsAsync(true);
var fakeUserRepository = new Mock <IUserRepository>();
fakeUserRepository
.Setup(fake => fake.GetById(It.IsAny <Guid>()))
.ReturnsAsync(new GetUserByIdQueryResult
{
Id = userId,
Username = "******"
});
var command = new JoinChannelCommand
{
UserId = userId,
ChannelId = channelId
};
var handler = new JoinChannelHandler(fakeChannelRepository.Object,
fakeUserRepository.Object);
ICommandResult result = await handler.HandleAsync(command);
result.Success.Should().BeFalse();
result.Errors.Should().HaveCountGreaterThan(0);
handler.Invalid.Should().BeTrue();
command.Valid.Should().BeTrue();
fakeUserRepository.Verify(fake => fake.GetById(It.Is <Guid>(id => id == command.UserId)),
Times.Once());
fakeChannelRepository.Verify(fake => fake.GetById(It.Is <Guid>(id => id == command.ChannelId)),
Times.Once());
fakeChannelRepository.Verify(
fake => fake.UserIsMemberOfChannel(It.Is <Guid>(id => id == userId), It.Is <Guid>(id => id == channelId)),
Times.Once());
}
public async Task ShouldReturnErrorWhenChatIdIsEmpty()
{
var fakeChannelRepository = new Mock <IChannelRepository>();
var fakeUserRepository = new Mock <IUserRepository>();
var command = new JoinChannelCommand
{
UserId = Guid.NewGuid(),
ChannelId = Guid.Empty
};
var handler = new JoinChannelHandler(fakeChannelRepository.Object,
fakeUserRepository.Object);
ICommandResult result = await handler.HandleAsync(command);
result.Success.Should().BeFalse();
result.Errors.Should().HaveCountGreaterThan(0);
handler.Invalid.Should().BeTrue();
}
