public async Task Should_return_empty_array_when_no_messages_exist()
{
// Arrange
var messages = new List <BoardMessage>();
_mockedReadOnlyContext.Setup(x => x.Messages).Returns(messages.AsQueryable().BuildMock().Object);
var query = new ListMessagesQuery();
var handler = new ListMessagesQueryHandler(_mockedReadOnlyContext.Object);
// Act
var messagesDto = await handler.Handle(query, default);
// Assert
Assert.Empty(messagesDto);
_mockedReadOnlyContext.Verify(x => x.Messages, Times.Once);
}
public async Task Should_return_non_empty_array_when_message_exists()
{
// Arrange
var messages = new List <BoardMessage>
{
BoardMessage.Create("The message", Guid.NewGuid().ToString())
};
_mockedReadOnlyContext.Setup(x => x.Messages).Returns(messages.AsQueryable().BuildMock().Object);
var query = new ListMessagesQuery();
var handler = new ListMessagesQueryHandler(_mockedReadOnlyContext.Object);
// Act
var messagesDto = await handler.Handle(query, default);
// Assert
Assert.NotEmpty(messagesDto);
_mockedReadOnlyContext.Verify(x => x.Messages, Times.Once);
}
public async Task Should_return_expected_number_of_items()
{
// Arrange
var messages = new List <BoardMessage>
{
BoardMessage.Create("First message", Guid.NewGuid().ToString()),
BoardMessage.Create("Second message", Guid.NewGuid().ToString()),
BoardMessage.Create("Third message", Guid.NewGuid().ToString())
};
_mockedReadOnlyContext.Setup(x => x.Messages).Returns(messages.AsQueryable().BuildMock().Object);
var query = new ListMessagesQuery();
var handler = new ListMessagesQueryHandler(_mockedReadOnlyContext.Object);
// Act
var messagesDto = await handler.Handle(query, default);
// Assert
Assert.NotEmpty(messagesDto);
Assert.Equal(messages.Count, messagesDto.Count());
_mockedReadOnlyContext.Verify(x => x.Messages, Times.Once);
}