public void CsvText_Always_CsvTextEqualsGiven(string csvText)
{
var uut = new StringCollectionVM();
uut.CsvText = csvText;
uut.CsvText.ShouldBe(csvText);
}
public void Constructor_Always_StringsIsEmptyObservableCollection()
{
var uut = new StringCollectionVM();
uut.Strings.ShouldNotBeNull();
uut.Strings.ShouldBeOfType <ObservableCollection <string> >();
uut.Strings.ShouldBeEmpty();
}
public void CsvText_Always_StringsMatchesExpected(string previousCsvText, string csvText, params string[] strings)
{
var uut = new StringCollectionVM();
uut.CsvText = previousCsvText;
uut.CsvText = csvText;
uut.Strings.ShouldBeOrderedEquivalentTo(strings);
}
public void CsvText_ValueIsNull_StringsIsEmpty()
{
var uut = new StringCollectionVM();
uut.CsvText = "";
uut.CsvText = null;
uut.Strings.ShouldBeEmpty();
}
public void StringsCollectionChanged_Add_CsvTextMatchesStringsJoin(params string[] strings)
{
var uut = new StringCollectionVM();
foreach (var str in strings)
{
uut.Strings.Add(str);
}
uut.CsvText.ShouldBe(string.Join(", ", uut.Strings));
}
public void StringsCollectionChanged_Clear_CsvTextIsEmpty(params string[] strings)
{
var uut = new StringCollectionVM();
foreach (var str in strings)
{
uut.Strings.Add(str);
}
uut.Strings.Clear();
uut.CsvText.ShouldBeEmpty();
}
public void StringsCollectionChanged_Remove_CsvTextMatchesStringsJoin(int index, params string[] strings)
{
var uut = new StringCollectionVM();
foreach (var str in strings)
{
uut.Strings.Add(str);
}
uut.Strings.RemoveAt(index);
uut.CsvText.ShouldBe(string.Join(", ", uut.Strings));
}
public void CsvText_EqualsValue_DoesNotInvokeRaisePropertyChangedWithCsvText(string csvText)
{
var uut = new StringCollectionVM();
uut.CsvText = csvText;
var handler = Substitute.For <PropertyChangedEventHandler>();
uut.PropertyChanged += handler;
uut.CsvText = csvText;
handler.DidNotReceive().Invoke(Arg.Any <object>(), Arg.Any <PropertyChangedEventArgs>());
}
public void CsvText_DoesNotEqualValue_InvokesRaisePropertyChangedWithCsvText(string previousCsvText, string csvText)
{
var uut = new StringCollectionVM();
uut.CsvText = previousCsvText;
var handler = Substitute.For <PropertyChangedEventHandler>();
uut.PropertyChanged += handler;
uut.CsvText = csvText;
handler.Received(1).Invoke(uut, Arg.Is <PropertyChangedEventArgs>(x => x.PropertyName == nameof(uut.CsvText)));
}