public void ExecuteNullSpecimenThrows()
{
var sut = new DictionaryFiller();
var dummyContext = new DelegatingSpecimenContext();
Assert.Throws<ArgumentNullException>(() =>
sut.Execute(null, dummyContext));
}
public void ExecuteNullContextThrows()
{
var sut = new DictionaryFiller();
var dummyDictionary = new Dictionary<object, object>();
Assert.Throws<ArgumentNullException>(() =>
sut.Execute(dummyDictionary, null));
}
public void SutIsSpecimenCommand()
{
var sut = new DictionaryFiller();
Assert.IsAssignableFrom<ISpecimenCommand>(sut);
}
public void ExecuteFillsDictionary()
{
// Fixture setup
var dictionary = new Dictionary<int, string>();
var expectedRequest = new MultipleRequest(typeof(KeyValuePair<int, string>));
var expectedResult = Enumerable.Range(1, 3).Select(i => new KeyValuePair<int, string>(i, i.ToString()));
var context = new DelegatingSpecimenContext { OnResolve = r => expectedRequest.Equals(r) ? (object)expectedResult : new NoSpecimen(r) };
var sut = new DictionaryFiller();
// Exercise system
sut.Execute(dictionary, context);
// Verify outcome
Assert.True(expectedResult.SequenceEqual(dictionary));
// Teardown
}
public void ExecuteNonDictionaryThrows(object specimen)
{
// Fixture setup
var sut = new DictionaryFiller();
var dummyContext = new DelegatingSpecimenContext();
// Exercise system and verify outcome
Assert.Throws<ArgumentException>(() =>
sut.Execute(specimen, dummyContext));
// Teardown
}
public void DoesNotThrowWithDuplicateEntries()
{
// Fixture setup
var dictionary = new Dictionary<int, string>();
var request = new MultipleRequest(typeof(KeyValuePair<int, string>));
var sequence = Enumerable.Repeat(0, 3).Select(i => new KeyValuePair<int, string>(i, i.ToString()));
var context = new DelegatingSpecimenContext { OnResolve = r => request.Equals(r) ? (object)sequence : new NoSpecimen(r) };
var sut = new DictionaryFiller();
// Exercise system & Verify outcome
Assert.DoesNotThrow(() => sut.Execute(dictionary, context));
// Teardown
}
