public async Task Delete_ShouldThrowArgumentNullException_WhenInputIsNull(string id)
{
Mock <IDynamoDBContext> mock = new Mock <IDynamoDBContext>();
ITokenUserRepository sut = new TokenUserRepository(mock.Object);
await Assert.ThrowsAsync <ArgumentNullException>(() => sut.Delete(id));
}
public async Task Delete_ShouldComplete_WhenInputIsValid()
{
string id = "abc123";
Mock <IDynamoDBContext> mock = new Mock <IDynamoDBContext>();
mock.Setup(x => x.DeleteAsync <TokenUser>(It.IsAny <string>(), It.IsAny <CancellationToken>())).Returns(Task.FromResult(true));
ITokenUserRepository repository = new TokenUserRepository(mock.Object);
await repository.Delete(id);
mock.Verify(x => x.DeleteAsync <TokenUser>(It.IsAny <string>(), It.IsAny <CancellationToken>()), Times.Once());
}