public void Should_Validate_To_Invalid()
{
using (StringWriter output = new StringWriter()) {
using (StringReader input = new StringReader("")) {
// arrange
Mock <IUserTerminal> mock_user_terminal = new Mock <IUserTerminal>( );
mock_user_terminal.SetupGet(x => x.Printer).Returns(output);
mock_user_terminal.SetupGet(x => x.Scanner).Returns(input);
Mock <IQuestionnaire> mock_questionnaire = new Mock <IQuestionnaire>( );
mock_questionnaire.SetupGet(x => x.Terminal).Returns(mock_user_terminal.Object);
mock_questionnaire.SetupGet(x => x.Settings).Returns(new QuestionnaireSetting());
MockQuestion mockQuestion = new MockQuestion("some questions", mock_questionnaire.Object)
{
ErrorMessage = "some error message"
};
mockQuestion.Validator((q) => q.Answer != null, "some error message");
mockQuestion.Ask();
Assert.Equal(QuestionStates.Invalid, mockQuestion.State);
}
}
}
public void should_not_call_onFinish_when_validation_fails()
{
using (StringWriter output = new StringWriter()) {
using (StringReader input = new StringReader("sss")) {
// arrange
Mock <IUserTerminal> mock_user_terminal = new Mock <IUserTerminal>( );
mock_user_terminal.SetupGet(x => x.Printer).Returns(output);
mock_user_terminal.SetupGet(x => x.Scanner).Returns(input);
Mock <IQuestionnaire> mock_questionnaire = new Mock <IQuestionnaire>( );
mock_questionnaire.SetupGet(x => x.Terminal).Returns(mock_user_terminal.Object);
mock_questionnaire.SetupGet(x => x.Settings).Returns(new QuestionnaireSetting());
MockQuestion mockQuestion = new MockQuestion("some questions", mock_questionnaire.Object)
{
ErrorMessage = "some error message"
};
mockQuestion.Validator(x => false, "some error message");
// act
bool isFinishMethodCalled = false;
mockQuestion.Finish((q) => {
isFinishMethodCalled = true;
});
mockQuestion.Ask();
// assert
Assert.Equal(QuestionStates.Invalid, mockQuestion.State);
Assert.False(isFinishMethodCalled);
}
}
}
public void A_Null_validator_should_fail()
{
// arrange
Mock <IQuestionnaire> mock_questionnaire = new Mock <IQuestionnaire>( );
string text = "What's your name?";
MockQuestion question = new MockQuestion(text, mock_questionnaire.Object);
// assert
Assert.Throws <ArgumentNullException>(() => {
// act
question.Validator(null, "Invalid");
});
}