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_AssertNumberWasCalledOnGetContactGroupQuery()
{
QueryHandler sut = CreateSut();
Mock <IGetContactGroupQuery> queryMock = CreateQueryMock();
await sut.QueryAsync(queryMock.Object);
queryMock.Verify(m => m.Number, Times.Once);
}
public async Task QueryAsync_WhenCalled_ReturnsContactGroupFromContactRepository()
{
IContactGroup contactGroup = _fixture.BuildContactGroupMock().Object;
QueryHandler sut = CreateSut(contactGroup);
IGetContactGroupQuery query = CreateQueryMock().Object;
IContactGroup result = await sut.QueryAsync(query);
Assert.That(result, Is.EqualTo(contactGroup));
}
public async Task QueryAsync_WhenCalled_AssertGetContactGroupAsyncWasCalledOnContactRepository()
{
QueryHandler sut = CreateSut();
int number = _fixture.Create <int>();
IGetContactGroupQuery query = CreateQueryMock(number).Object;
await sut.QueryAsync(query);
_contactRepositoryMock.Verify(m => m.GetContactGroupAsync(It.Is <int>(value => value == number)), Times.Once);
}
public async Task QueryAsync_WhenCalled_AssertValidateWasCalledOnGetContactGroupQuery()
{
QueryHandler sut = CreateSut();
Mock <IGetContactGroupQuery> queryMock = CreateQueryMock();
await sut.QueryAsync(queryMock.Object);
queryMock.Verify(m => m.Validate(
It.Is <IValidator>(value => value == _validatorMock.Object),
It.Is <IContactRepository>(value => value == _contactRepositoryMock.Object)),
Times.Once);
}