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_WhenCalledAndCountryWasNotReturnedFromContactRepository_AssertApplyLogicForPrincipalWasNotCalledOnCountryHelper()
{
QueryHandler sut = CreateSut(false);
IGetCountryQuery query = CreateQueryMock().Object;
await sut.QueryAsync(query);
_countryHelperMock.Verify(m => m.ApplyLogicForPrincipal(It.IsAny <ICountry>()), Times.Never);
}
public async Task QueryAsync_WhenCalled_AssertCountryCodeWasCalledOnGetCountryQuery()
{
QueryHandler sut = CreateSut();
Mock <IGetCountryQuery> query = CreateQueryMock();
await sut.QueryAsync(query.Object);
query.Verify(m => m.CountryCode, Times.Once);
}
public async Task QueryAsync_WhenCalledAndCountryWasNotReturnedFromContactRepository_ReturnsNull()
{
QueryHandler sut = CreateSut(false);
IGetCountryQuery query = CreateQueryMock().Object;
ICountry result = await sut.QueryAsync(query);
Assert.That(result, Is.Null);
}
public async Task QueryAsync_WhenCalled_AssertGetCountryAsyncWasCalledOnContactRepository()
{
QueryHandler sut = CreateSut();
string countryCode = _fixture.Create <string>();
IGetCountryQuery query = CreateQueryMock(countryCode).Object;
await sut.QueryAsync(query);
_contactRepositoryMock.Verify(m => m.GetCountryAsync(It.Is <string>(value => string.CompareOrdinal(value, countryCode) == 0)), Times.Once);
}
public async Task QueryAsync_WhenCalledAndCountryWasReturnedFromContactRepository_ReturnsCountryFromCountryHelper()
{
ICountry country = _fixture.BuildCountryMock().Object;
QueryHandler sut = CreateSut(country: country);
IGetCountryQuery query = CreateQueryMock().Object;
ICountry result = await sut.QueryAsync(query);
Assert.That(result, Is.EqualTo(country));
}
public async Task QueryAsync_WhenCalledAndCountryWasReturnedFromContactRepository_AssertApplyLogicForPrincipalWasCalledOnCountryHelperWithCountryFromContactRepository()
{
ICountry country = _fixture.BuildCountryMock().Object;
QueryHandler sut = CreateSut(country: country);
IGetCountryQuery 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_AssertValidateWasCalledOnGetCountryQuery()
{
QueryHandler sut = CreateSut();
Mock <IGetCountryQuery> 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);
}