public void Rules_are_persisted_in_transformer()
{
var rules = new List <IGrammarTransformRule>();
var transformer = new GrammarTransformer(rules);
Assert.Same(rules, transformer.Rules);
}
public void Throws_on_no_applicable_rule()
{
var rules = new List <IGrammarTransformRule>();
var transformer = new GrammarTransformer(rules);
Assert.Throws <NoMatchingGrammarRuleException>(
() => transformer.Transform("foo"));
}
public void Does_not_use_non_applicable_rule()
{
var rules = new List <IGrammarTransformRule> {
new TestUselessRule()
};
var transformer = new GrammarTransformer(rules);
Assert.Throws <NoMatchingGrammarRuleException>(
() => transformer.Transform("foo"));
}
public void Rules_are_used_to_transform_string()
{
var rules = new List <IGrammarTransformRule> {
new TestRule()
};
var transformer = new GrammarTransformer(rules);
var result = transformer.Transform("foo");
Assert.Equal("bar", result);
}
/// <summary>
/// Apply the given grammar rules to the input string
/// </summary>
/// <param name="str">Current string instance</param>
/// <param name="rules">Rules to apply</param>
public static string PerformGrammarTransformation(this string str, IEnumerable <IGrammarTransformRule> rules)
{
var transformer = new GrammarTransformer(rules);
return(transformer.Transform(str));
}