public void ShouldReturnNullWhenAtTheEndOfTheTokenizer()
{
var stringTokenizer = new StringTokenizer(string.Empty);
var mockMatchWord = new MockMatchWord(new List <StringMatcherBase>());
var token = mockMatchWord.CallImplementation(stringTokenizer);
Assert.IsNull(token);
}
public void ShouldReturnNullWhenAWhiteSpaceCharacterIsFound()
{
var stringTokenizer = new StringTokenizer(" hello");
var mockMatchWord = new MockMatchWord(new List <StringMatcherBase>());
var token = mockMatchWord.CallImplementation(stringTokenizer);
Assert.IsNull(token);
}
public void ShouldSetTheValueOfTheToken()
{
var stringTokenizer = new StringTokenizer("hello");
var mockMatchWord = new MockMatchWord(new List <StringMatcherBase>());
var token = mockMatchWord.CallImplementation(stringTokenizer);
Assert.AreEqual("hello", token.TokenValue);
}
public void ShouldMatchAllCharactersUpToAWhiteSpaceCharacter()
{
var stringTokenizer = new StringTokenizer("hello ");
var mockMatchWord = new MockMatchWord(new List <StringMatcherBase>());
var token = mockMatchWord.CallImplementation(stringTokenizer);
Assert.IsNotNull(token);
}
public void ShouldReturnNullWhenASpecialCharacterIsFoundInstead()
{
var stringTokenizer = new StringTokenizer(",hello");
var mockMatchWord = new MockMatchWord(new List <StringMatcherBase> {
new MatchKeyword(TokenType.Word, ",")
});
var token = mockMatchWord.CallImplementation(stringTokenizer);
Assert.IsNull(token);
}
public void ShouldMatchAllCharacterUpToASpecialCharacter()
{
var stringTokenizer = new StringTokenizer("hello,");
var mockMatchWord = new MockMatchWord(new List <StringMatcherBase> {
new MatchKeyword(TokenType.Word, ",")
});
var token = mockMatchWord.CallImplementation(stringTokenizer);
Assert.IsNotNull(token);
}
public void ShouldCaptureCurrentTheLocation()
{
var stringTokenizer = new Mock <StringTokenizer>("hello")
{
CallBase = true
};
var mockMatchWord = new MockMatchWord(new List <StringMatcherBase>());
mockMatchWord.CallImplementation(stringTokenizer.Object);
stringTokenizer.Verify(t => t.GetCurrentLocation(), Times.Once);
}
public void ShouldStopConsumingCharcatersAtTheEndOfTheTokenizer()
{
var stringTokenizer = new Mock <StringTokenizer>("hello")
{
CallBase = true
};
var mockMatchWord = new MockMatchWord(new List <StringMatcherBase>());
mockMatchWord.CallImplementation(stringTokenizer.Object);
stringTokenizer.Verify(t => t.Consume(), Times.Exactly(5));
stringTokenizer.Verify(t => t.IsAtEnd(), Times.AtLeastOnce);
Assert.IsTrue(stringTokenizer.Object.IsAtEnd());
}
public void ShouldCreateATokenFromCurrentTheLoction()
{
var tokenLocation = new Mock <ITokenLocation>(MockBehavior.Default);
var stringTokenizer = new Mock <StringTokenizer>("hello")
{
CallBase = true
};
stringTokenizer.Setup(t => t.GetCurrentLocation()).Returns(tokenLocation.Object);
var mockMatchWord = new MockMatchWord(new List <StringMatcherBase>());
mockMatchWord.CallImplementation(stringTokenizer.Object);
tokenLocation.Verify(l => l.CreateToken(It.IsAny <TokenType>(), It.IsAny <string>()), Times.Once);
}