public async Task Exists_ShouldReturnTrue_WhenFriendshipExists()
{
// Arrange
const int friendshipId = 1;
IEnumerable <Friendship> expectedFriendship = new[]
{
new Friendship {
FriendshipId = 1
}
};
Mock <DbSet <Friendship> > friendshipDbSetMock = expectedFriendship
.AsQueryable()
.BuildMockDbSet();
Mock <IChatContext> contextMock = new Mock <IChatContext>();
contextMock
.Setup(m => m.Friendships)
.Returns(friendshipDbSetMock.Object);
IFriendshipRepository repository = new FriendshipRepository(contextMock.Object);
// Act
bool exists = await repository.Exists(friendshipId);
// Assert
Assert.True(exists);
}
public async Task Exists_ShouldReturnFalse_WhenFriendshipDoesNotExist()
{
// Arrange
const int friendshipId = 9881641;
Friendship expectedFriendship = new() { FriendshipId = 1 };
await _context.Friendships.AddAsync(expectedFriendship);
await _context.SaveChangesAsync();
IFriendshipRepository repository = new FriendshipRepository(_context);
// Act
bool exists = await repository.Exists(friendshipId);
// Assert
Assert.False(exists);
}