public async Task GetFriendshipByIdQueryHandler_ShouldReturnFriendship_WhenFriendshipExists()
{
// Arrange
GetFriendshipByIdQuery request = new GetFriendshipByIdQuery {
FriendshipId = 1
};
IEnumerable <Friendship> expectedFriendships = new[]
{
new Friendship {
FriendshipId = 1
}
};
Mock <IQueryable <Friendship> > friendshipQueryableMock = expectedFriendships
.AsQueryable()
.BuildMock();
_unitOfWorkMock
.Setup(m => m.Friendships.GetById(request.FriendshipId))
.Returns(friendshipQueryableMock.Object);
GetFriendshipByIdQuery.Handler handler = new GetFriendshipByIdQuery.Handler(_unitOfWorkMock.Object, _mapperMock);
// Act
FriendshipResource friendship = await handler.Handle(request);
// Assert
Assert.NotNull(friendship);
Assert.Equal(1, friendship.FriendshipId);
}
public async Task GetFriendshipByIdQueryHandler_ShouldReturnNull_WhenFriendshipIsNotFound()
{
// Arrange
GetFriendshipByIdQuery request = new GetFriendshipByIdQuery {
FriendshipId = 2151
};
Mock <IQueryable <Friendship> > expectedFriendships = Enumerable
.Empty <Friendship>()
.AsQueryable()
.BuildMock();
_unitOfWorkMock
.Setup(m => m.Friendships.GetById(request.FriendshipId))
.Returns(expectedFriendships.Object);
GetFriendshipByIdQuery.Handler handler = new GetFriendshipByIdQuery.Handler(_unitOfWorkMock.Object, _mapperMock);
// Act
FriendshipResource friendship = await handler.Handle(request);
// Assert
Assert.Null(friendship);
}
