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_WhenNoAccountCollectionWasReturnedFromAccountingRepository_ReturnsNotNull()
{
QueryHandler sut = CreateSut(false);
IGetAccountCollectionQuery query = CreateQuery();
IAccountCollection result = await sut.QueryAsync(query);
Assert.That(result, Is.Not.Null);
}
public async Task QueryAsync_WhenCalled_AssertStatusDateWasCalledOnGetAccountCollectionQuery()
{
QueryHandler sut = CreateSut();
Mock <IGetAccountCollectionQuery> queryMock = CreateQueryMock();
await sut.QueryAsync(queryMock.Object);
queryMock.Verify(m => m.StatusDate, Times.Exactly(2));
}
public async Task QueryAsync_WhenCalled_AssertAccountingNumberWasCalledOnGetAccountCollectionQuery()
{
QueryHandler sut = CreateSut();
Mock <IGetAccountCollectionQuery> queryMock = CreateQueryMock();
await sut.QueryAsync(queryMock.Object);
queryMock.Verify(m => m.AccountingNumber, Times.Once);
}
public async Task QueryAsync_WhenNoAccountCollectionWasReturnedFromAccountingRepository_ReturnsEmptyAccountCollection()
{
QueryHandler sut = CreateSut(false);
IGetAccountCollectionQuery query = CreateQuery();
IAccountCollection result = await sut.QueryAsync(query);
Assert.That(result.Count(), Is.EqualTo(0));
}
public async Task QueryAsync_WhenNoAccountCollectionWasReturnedFromAccountingRepository_ReturnsAccountCollectionWhereStatusDateIsEqualToStatusDateFromGetAccountCollectionQuery()
{
QueryHandler sut = CreateSut(false);
DateTime statusDate = _fixture.Create <DateTime>().Date;
IGetAccountCollectionQuery query = CreateQuery(statusDate: statusDate);
IAccountCollection result = await sut.QueryAsync(query);
Assert.That(result.StatusDate, Is.EqualTo(statusDate));
}
public async Task QueryAsync_WhenAccountCollectionWasReturnedFromAccountingRepository_ReturnsCalculatedAccountCollection()
{
IAccountCollection calculatedAccountCollection = _fixture.BuildAccountCollectionMock().Object;
IAccountCollection accountCollection = _fixture.BuildAccountCollectionMock(calculatedAccountCollection: calculatedAccountCollection).Object;
QueryHandler sut = CreateSut(accountCollection: accountCollection);
IGetAccountCollectionQuery query = CreateQuery();
IAccountCollection result = await sut.QueryAsync(query);
Assert.That(result, Is.EqualTo(calculatedAccountCollection));
}
public async Task QueryAsync_WhenCalled_AssertGetAccountsAsyncWasCalledOnAccountingRepository()
{
QueryHandler sut = CreateSut();
int accountingNumber = _fixture.Create <int>();
DateTime statusDate = _fixture.Create <DateTime>().Date;
IGetAccountCollectionQuery query = CreateQuery(accountingNumber, statusDate);
await sut.QueryAsync(query);
_accountingRepositoryMock.Verify(m => m.GetAccountsAsync(
It.Is <int>(value => value == accountingNumber),
It.Is <DateTime>(value => value == statusDate)),
Times.Once);
}
