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_WhenCalledAndPostalCodeCollectionWasNotReturnedFromContactRepository_AssertApplyLogicForPrincipalWasNotCalledOnCountryHelperForAnyPostalCode()
{
QueryHandler sut = CreateSut(false);
IGetPostalCodeCollectionQuery query = CreateQueryMock().Object;
await sut.QueryAsync(query);
_countryHelperMock.Verify(m => m.ApplyLogicForPrincipal(It.IsAny <ICountry>()), Times.Never);
}
public async Task QueryAsync_WhenCalled_AssertCountryCodeWasCalledOnGetPostalCodeCollectionQuery()
{
QueryHandler sut = CreateSut();
Mock <IGetPostalCodeCollectionQuery> query = CreateQueryMock();
await sut.QueryAsync(query.Object);
query.Verify(m => m.CountryCode, Times.Once);
}
public async Task QueryAsync_WhenCalled_AssertGetPostalCodesAsyncWasCalledOnContactRepository()
{
QueryHandler sut = CreateSut();
string countryCode = _fixture.Create <string>();
IGetPostalCodeCollectionQuery query = CreateQueryMock(countryCode).Object;
await sut.QueryAsync(query);
_contactRepositoryMock.Verify(m => m.GetPostalCodesAsync(It.Is <string>(value => string.CompareOrdinal(value, countryCode) == 0)), Times.Once);
}
public async Task QueryAsync_WhenCalledAndPostalCodeCollectionWasReturnedFromContactRepository_ReturnsPostalCodeCollectionFromContactRepository()
{
IEnumerable <IPostalCode> postalCodeCollection = _fixture.CreateMany <IPostalCode>(_random.Next(10, 25)).ToList();
QueryHandler sut = CreateSut(postalCodeCollection: postalCodeCollection);
IGetPostalCodeCollectionQuery query = CreateQueryMock().Object;
IEnumerable <IPostalCode> result = await sut.QueryAsync(query);
Assert.That(result, Is.EqualTo(postalCodeCollection));
}
public async Task QueryAsync_WhenCalledAndPostalCodeCollectionWasNotReturnedFromContactRepository_ReturnsEmptyPostalCodeCollection()
{
QueryHandler sut = CreateSut(false);
IGetPostalCodeCollectionQuery query = CreateQueryMock().Object;
IList <IPostalCode> result = (await sut.QueryAsync(query)).ToList();
Assert.That(result, Is.Not.Null);
Assert.That(result, Is.Empty);
}
public async Task QueryAsync_WhenCalled_AssertValidateWasCalledOnGetPostalCodeCollectionQuery()
{
QueryHandler sut = CreateSut();
Mock <IGetPostalCodeCollectionQuery> query = CreateQueryMock();
await sut.QueryAsync(query.Object);
query.Verify(m => m.Validate(
It.Is <IValidator>(value => value == _validatorMock.Object),
It.Is <IContactRepository>(value => value == _contactRepositoryMock.Object)),
Times.Once);
}
public async Task QueryAsync_WhenCalledAndPostalCodeCollectionWasReturnedFromContactRepository_AssertApplyLogicForPrincipalWasCalledOnCountryHelperForEachPostalCodeFromContactRepository()
{
IEnumerable <IPostalCode> postalCodeCollection = _fixture.CreateMany <IPostalCode>(_random.Next(10, 25)).ToList();
QueryHandler sut = CreateSut(postalCodeCollection: postalCodeCollection);
IGetPostalCodeCollectionQuery query = CreateQueryMock().Object;
await sut.QueryAsync(query);
foreach (IPostalCode postalCode in postalCodeCollection)
{
_countryHelperMock.Verify(m => m.ApplyLogicForPrincipal(It.Is <ICountry>(value => value == postalCode.Country)), Times.Once);
}
}
public async Task QueryAsync_WhenCalledAndPostalCodeCollectionWasNotReturnedFromContactRepository_AssertCountrySetterWasNotCalledOnAnyPostalCode()
{
IEnumerable <Mock <IPostalCode> > postalCodeMockCollection = new List <Mock <IPostalCode> >
{
_fixture.BuildPostalCodeMock(),
_fixture.BuildPostalCodeMock(),
_fixture.BuildPostalCodeMock()
};
QueryHandler sut = CreateSut(false, postalCodeMockCollection.Select(m => m.Object).ToList());
IGetPostalCodeCollectionQuery query = CreateQueryMock().Object;
await sut.QueryAsync(query);
foreach (Mock <IPostalCode> postalCodeMock in postalCodeMockCollection)
{
postalCodeMock.VerifySet(m => m.Country = It.IsAny <ICountry>(), Times.Never);
}
}
public async Task QueryAsync_WhenCalledAndPostalCodeCollectionWasReturnedFromContactRepository_AssertCountrySetterWasCalledOnEachPostalCodeFromContactRepository()
{
IEnumerable <Mock <IPostalCode> > postalCodeMockCollection = new List <Mock <IPostalCode> >
{
_fixture.BuildPostalCodeMock(),
_fixture.BuildPostalCodeMock(),
_fixture.BuildPostalCodeMock()
};
ICountry country = _fixture.BuildCountryMock().Object;
QueryHandler sut = CreateSut(postalCodeCollection: postalCodeMockCollection.Select(m => m.Object).ToList(), country: country);
IGetPostalCodeCollectionQuery query = CreateQueryMock().Object;
await sut.QueryAsync(query);
foreach (Mock <IPostalCode> postalCodeMock in postalCodeMockCollection)
{
postalCodeMock.VerifySet(m => m.Country = It.Is <ICountry>(value => value == country), Times.Once);
}
}