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_AssertPostalCodeWasCalledOnGetPostalCodeQuery()
{
QueryHandler sut = CreateSut();
Mock <IGetPostalCodeQuery> query = CreateQueryMock();
await sut.QueryAsync(query.Object);
query.Verify(m => m.PostalCode, Times.Once);
}
public async Task QueryAsync_WhenCalledAndPostalCodeWasNotReturnedFromContactRepository_ReturnsNull()
{
QueryHandler sut = CreateSut(false);
IGetPostalCodeQuery query = CreateQueryMock().Object;
IPostalCode result = await sut.QueryAsync(query);
Assert.That(result, Is.Null);
}
public async Task QueryAsync_WhenCalledAndPostalCodeWasNotReturnedFromContactRepository_AssertApplyLogicForPrincipalWasNotCalledOnCountryHelper()
{
QueryHandler sut = CreateSut(false);
IGetPostalCodeQuery query = CreateQueryMock().Object;
await sut.QueryAsync(query);
_countryHelperMock.Verify(m => m.ApplyLogicForPrincipal(It.IsAny <ICountry>()), Times.Never);
}
public async Task QueryAsync_WhenCalledAndPostalCodeWasReturnedFromContactRepository_ReturnsPostalCodeCollectionFromContactRepository()
{
IPostalCode postalCode = _fixture.BuildPostalCodeMock().Object;
QueryHandler sut = CreateSut(postalCode: postalCode);
IGetPostalCodeQuery query = CreateQueryMock().Object;
IPostalCode result = await sut.QueryAsync(query);
Assert.That(result, Is.EqualTo(postalCode));
}
public async Task QueryAsync_WhenCalledAndPostalCodeWasNotReturnedFromContactRepository_AssertCountrySetterWasNotCalledOnPostalCode()
{
Mock <IPostalCode> postalCodeMock = _fixture.BuildPostalCodeMock();
QueryHandler sut = CreateSut(false, postalCodeMock.Object);
IGetPostalCodeQuery query = CreateQueryMock().Object;
await sut.QueryAsync(query);
postalCodeMock.VerifySet(m => m.Country = It.IsAny <ICountry>(), Times.Never);
}
public async Task QueryAsync_WhenCalledAndPostalCodeWasReturnedFromContactRepository_AssertCountrySetterWasCalledOnPostalCode()
{
Mock <IPostalCode> postalCodeMock = _fixture.BuildPostalCodeMock();
ICountry country = _fixture.Create <ICountry>();
QueryHandler sut = CreateSut(postalCode: postalCodeMock.Object, country: country);
IGetPostalCodeQuery query = CreateQueryMock().Object;
await sut.QueryAsync(query);
postalCodeMock.VerifySet(m => m.Country = It.Is <ICountry>(value => value == country), Times.Once);
}
public async Task QueryAsync_WhenCalledAndPostalCodeWasReturnedFromContactRepository_AssertApplyLogicForPrincipalWasCalledOnCountryHelper()
{
ICountry country = _fixture.Create <ICountry>();
IPostalCode postalCode = _fixture.BuildPostalCodeMock(country).Object;
QueryHandler sut = CreateSut(postalCode: postalCode);
IGetPostalCodeQuery query = CreateQueryMock().Object;
await sut.QueryAsync(query);
_countryHelperMock.Verify(m => m.ApplyLogicForPrincipal(It.Is <ICountry>(value => value == country)), Times.Once);
}
public async Task QueryAsync_WhenCalled_AssertValidateWasCalledOnGetPostalCodeQuery()
{
QueryHandler sut = CreateSut();
Mock <IGetPostalCodeQuery> 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_WhenCalled_AssertGetPostalCodeAsyncWasCalledOnContactRepository()
{
QueryHandler sut = CreateSut();
string countryCode = _fixture.Create <string>();
string postalCode = _fixture.Create <string>();
IGetPostalCodeQuery query = CreateQueryMock(countryCode, postalCode).Object;
await sut.QueryAsync(query);
_contactRepositoryMock.Verify(m => m.GetPostalCodeAsync(
It.Is <string>(value => string.CompareOrdinal(value, countryCode) == 0),
It.Is <string>(value => string.CompareOrdinal(value, postalCode) == 0)),
Times.Once);
}
