public void UnrecognizedNumberCreatesValidationError()
{
//arrange
var emptyInput = "photo-album 0ne";
var systemUnderTest = new PhotoAlbumInputValidator();
//act
var result = systemUnderTest.ValidateInput(emptyInput);
//assert
Assert.AreEqual(1, result.ValidationResults.Count);
Assert.IsTrue(result.ValidationResults.Select(r => r.ErrorMessage).Contains("Unable to get page number from command"));
}
public void EmptyStringReturnsValidationError()
{
//arrange
var emptyInput = string.Empty;
var systemUnderTest = new PhotoAlbumInputValidator();
//act
var result = systemUnderTest.ValidateInput(emptyInput);
//assert
Assert.AreEqual(1, result.ValidationResults.Count);
Assert.IsTrue(result.ValidationResults.Select(r => r.ErrorMessage).Contains("Must enter valid command."));
}
public void BadCommandReturnsValidationError()
{
//arrange
var emptyInput = "bad-command 3";
var systemUnderTest = new PhotoAlbumInputValidator();
//act
var result = systemUnderTest.ValidateInput(emptyInput);
//assert
Assert.AreEqual(1, result.ValidationResults.Count);
Assert.IsTrue(result.ValidationResults.Select(r => r.ErrorMessage).Contains("Unrecognized command entered"));
}
public async Task HappyPathValidator()
{
//arrange
var id = 3;
var goodInput = $"photo-album {id}";
var systemUnderTest = new PhotoAlbumInputValidator();
//act
var result = systemUnderTest.ValidateInput(goodInput);
//assert
Assert.AreEqual(id, result.Id);
Assert.AreEqual(0, result.ValidationResults.Count);
}