public void TestTokenize_When_MissingStartParentheses_Then_Exception()
{
const string input = "try something func2 ('123'))";
IATokenizer tokenizer = ATokenizerFactory.CreateInstance();
tokenizer.Tokenize(input);
}
private void TestUnicodeString(IATokenizer tokenizer, bool unicodeStringMark)
{
const string input = "N'value'";
tokenizer.UnicodeStringMark = unicodeStringMark;
tokenizer.Tokenize(input);
}
public void TestTokenize_When_MissingQuote_Then_Exception()
{
const string input = "try 'something (func2 ('123'))";
IATokenizer tokenizer = ATokenizerFactory.CreateInstance();
tokenizer.Tokenize(input);
}
public void TestToString()
{
const string input = "try func (func2 (123))";
IATokenizer tokenizer = ATokenizerFactory.CreateInstance();
tokenizer.Tokenize(input);
tokenizer.ToString().Should().Be("try func (func2 (123))", "because it should keep spaces (but truncate several contiguous spaces to one)");
}
public void TestParenteces_When_ContainsCompoundElement()
{
const string input = "try func(func2((123)))";
IATokenizer tokenizer = ATokenizerFactory.CreateInstance();
tokenizer.Tokenize(input);
tokenizer.Tokens[6].Text.Should().Be("123", "because 123 is the 6th element");
}
public void TestParenteces_When_ContainsOneSimpleElement()
{
const string input = "try func(123)";
IATokenizer tokenizer = ATokenizerFactory.CreateInstance();
tokenizer.Tokenize(input);
tokenizer.Tokens.Count.Should().Be(5, "because there are 5 tokens");
}
public void TestTokenizer_When_StringIsLastToken()
{
const string input = "one ''''";
IATokenizer tokenizer = ATokenizerFactory.CreateInstance();
tokenizer.Tokenize(input);
tokenizer.Tokens[1].Text.Should().Be("''''", "because two quotes is ok");
}
public void TestTokenizer_When_StringContainsQuoteInMiddle()
{
const string input = "one 'this '' two' three";
IATokenizer tokenizer = ATokenizerFactory.CreateInstance();
tokenizer.Tokenize(input);
tokenizer.Tokens[1].Text.Should().Be("'this '' two'", "because two quotes is ok");
}
public void TestSqlServerQuotedIdentifier()
{
const string input = "select int_col as [mycol] from mytable";
IATokenizer tokenizer = ATokenizerFactory.CreateInstance();
tokenizer.Tokenize(input);
tokenizer.Tokens.Count.Should().Be(6, "because [mycol] is one token, not three");
}
public void TestFunction_When_WrappedWithCurlyBraces()
{
const string input = "try {fn func ({ fn func2 (123) })}";
IATokenizer tokenizer = ATokenizerFactory.CreateInstance();
tokenizer.Tokenize(input);
tokenizer.ToString().Should().Be("try func (func2 (123) )", "because wrapping function is legal syntax");
}
public void TestTokenizer_When_EmptyString()
{
const string input = "";
IATokenizer tokenizer = ATokenizerFactory.CreateInstance();
tokenizer.Tokenize(input);
tokenizer.Tokens.Count.Should().Be(0, "because the string is empty");
}
public void TestTokenizer_When_String()
{
const string input = "one 'this is two' three";
IATokenizer tokenizer = ATokenizerFactory.CreateInstance();
tokenizer.Tokenize(input);
tokenizer.Tokens.Count.Should().Be(3, "because there are only three tokens");
tokenizer.Tokens[1].Text.Should().Be("'this is two'", "because the whole string is a single token");
}
public void TestTokenizer_When_EOL_And_Tab()
{
const string input = "one \ttwo \n three";
IATokenizer tokenizer = ATokenizerFactory.CreateInstance();
tokenizer.Tokenize(input);
tokenizer.Tokens.Count.Should().Be(3, "because there are three words");
tokenizer.Tokens[0].Text.Should().Be("one", "because first word is one");
tokenizer.Tokens[1].Text.Should().Be("two", "because second word is two");
tokenizer.Tokens[2].Text.Should().Be("three", "because third word is three");
}
public ASTNodeList CreateNodeList(string text)
{
ASTNodeList nodes;
IATokenizer tokenizer = ATokenizerFactory.CreateInstance();
tokenizer.ExpandEmptyStrings = ExpandEmptyStrings;
tokenizer.Tokenize(text);
ATokens tokens = tokenizer.Tokens;
nodes = ParseExpression(tokens);
return(nodes);
}