public void QueryAsync_WhenQueryIsNull_ThrowsArgumentNullException()
{
QueryHandler sut = CreateSut();
ArgumentNullException result = Assert.ThrowsAsync <ArgumentNullException>(async() => await sut.QueryAsync(null));
Assert.That(result.ParamName, Is.EqualTo("query"));
}
public async Task QueryAsync_WhenCalled_AssertNumberWasCalledOnGetPaymentTermQuery()
{
QueryHandler sut = CreateSut();
Mock <IGetPaymentTermQuery> queryMock = CreateQueryMock();
await sut.QueryAsync(queryMock.Object);
queryMock.Verify(m => m.Number, Times.Once);
}
public async Task QueryAsync_WhenCalled_ReturnsPaymentTermFromAccountingRepository()
{
IPaymentTerm paymentTerm = _fixture.BuildPaymentTermMock().Object;
QueryHandler sut = CreateSut(paymentTerm);
IGetPaymentTermQuery query = CreateQueryMock().Object;
IPaymentTerm result = await sut.QueryAsync(query);
Assert.That(result, Is.EqualTo(paymentTerm));
}
public async Task QueryAsync_WhenCalled_AssertGetPaymentTermAsyncWasCalledOnAccountingRepository()
{
QueryHandler sut = CreateSut();
int number = _fixture.Create <int>();
IGetPaymentTermQuery query = CreateQueryMock(number).Object;
await sut.QueryAsync(query);
_accountingRepositoryMock.Verify(m => m.GetPaymentTermAsync(It.Is <int>(value => value == number)), Times.Once);
}
public async Task QueryAsync_WhenCalled_AssertValidateWasCalledOnGetPaymentTermQuery()
{
QueryHandler sut = CreateSut();
Mock <IGetPaymentTermQuery> queryMock = CreateQueryMock();
await sut.QueryAsync(queryMock.Object);
queryMock.Verify(m => m.Validate(
It.Is <IValidator>(value => value == _validatorMock.Object),
It.Is <IAccountingRepository>(value => value == _accountingRepositoryMock.Object)),
Times.Once);
}
