public void ToSingleStringBuilder_DoesNotCallRandomGenerator_WhenCharacterClassEmpty() { var expression = new CharacterClassExpressionTest(_alphabet, _randomGenerator, _maxInverseLength); var result = expression.ToSingleStringBuilder().GenerateString(); Assert.AreEqual(string.Empty, result); }
public void ToSingleStringBuilder_ReturnsEmptyString_WhenCharacterClassContainsOneCharacter() { var expression = new CharacterClassExpressionTest(_alphabet, _randomGenerator, _maxInverseLength); expression.AddCharacters(new List <string> { "U" }); var result = expression.ToSingleStringBuilder().GenerateString(); Assert.AreEqual("U", result); _randomGenerator.Received(0).GetNextInteger(Arg.Any <int>(), Arg.Any <int>()); }
public void ToSingleStringBuilder_ReturnsL_WhenRandomGeneratorReturns2AndSecondLetterInListIsL() { _randomGenerator.GetNextInteger(Arg.Any <int>(), Arg.Any <int>()).Returns(1); var expression = new CharacterClassExpressionTest(_alphabet, _randomGenerator, _maxInverseLength); expression.AddCharacters(new List <string> { "U", "L" }); var result = expression.ToSingleStringBuilder().GenerateString(); Assert.AreEqual("L", result); _randomGenerator.Received(1).GetNextInteger(Arg.Any <int>(), Arg.Any <int>()); }