public void It_will_yield_partially_matched_source_code_and_the_unmatched_source_code_after_it()
{
StubLanguageCompiler stubLanguageCompiler = new StubLanguageCompiler();
stubLanguageCompiler.Compile__return = new CompiledLanguage("fnord", "fnord", new Regex("source code"), new List <string> {
"A Scope Name"
});
LanguageParser languageParser = new LanguageParser(stubLanguageCompiler, new StubLanguageRepository());
StubLanguage stubLanguage = new StubLanguage();
const string sourceCode = "source code that will be partially matched";
int parseHandlerInvocations = 0;
Stack <string> parsedSourceCodeStack = new Stack <string>();
Stack <IList <Scope> > scopesStack = new Stack <IList <Scope> >();
languageParser.Parse(sourceCode, stubLanguage, (parsedSourceCode, scopes) =>
{
parseHandlerInvocations++;
parsedSourceCodeStack.Push(parsedSourceCode);
scopesStack.Push(scopes);
});
Assert.Equal(2, parseHandlerInvocations);
string secondParsedSourceCode = parsedSourceCodeStack.Pop();
string firstParsedSourceCode = parsedSourceCodeStack.Pop();
IList <Scope> secondScopes = scopesStack.Pop();
IList <Scope> firstScopes = scopesStack.Pop();
Assert.Equal("source code", firstParsedSourceCode);
Assert.Equal("A Scope Name", firstScopes[0].Name);
Assert.Equal(" that will be partially matched", secondParsedSourceCode);
Assert.Empty(secondScopes);
}
public void It_will_yield_nested_scopes()
{
StubLanguageCompiler stubLanguageCompiler = new StubLanguageCompiler();
stubLanguageCompiler.Compile__return = new CompiledLanguage("fnord", "fnord", new Regex("((part)ially) (matched)"), new List <string> {
"scope name for the whole match", "scope name for the partially part", "scope name for the part part", "scope name for the matched part"
});
LanguageParser languageParser = new LanguageParser(stubLanguageCompiler, new StubLanguageRepository());
StubLanguage stubLanguage = new StubLanguage();
const string sourceCode = "source code that will be partially matched";
int parseHandlerInvocations = 0;
Stack <string> parsedSourceCodeStack = new Stack <string>();
Stack <IList <Scope> > scopesStack = new Stack <IList <Scope> >();
languageParser.Parse(sourceCode, stubLanguage, (parsedSourceCode, scopes) =>
{
parseHandlerInvocations++;
parsedSourceCodeStack.Push(parsedSourceCode);
scopesStack.Push(scopes);
});
Assert.Equal(2, parseHandlerInvocations);
string secondParsedSourceCode = parsedSourceCodeStack.Pop();
string firstParsedSourceCode = parsedSourceCodeStack.Pop();
IList <Scope> secondScopes = scopesStack.Pop();
IList <Scope> firstScopes = scopesStack.Pop();
Assert.Equal("source code that will be ", firstParsedSourceCode);
Assert.Empty(firstScopes);
Assert.Equal("partially matched", secondParsedSourceCode);
Assert.Equal("scope name for the whole match", secondScopes[0].Name);
Assert.Equal("scope name for the partially part", secondScopes[0].Children[0].Name);
Assert.Equal("scope name for the part part", secondScopes[0].Children[0].Children[0].Name);
Assert.Equal("scope name for the matched part", secondScopes[0].Children[1].Name);
}
public void It_will_compile_a_single_language_rule_with_partial_captures()
{
Dictionary <string, CompiledLanguage> stubCompiledLanguagesCache = new Dictionary <string, CompiledLanguage>();
LanguageCompiler languageCompiler = new LanguageCompiler(stubCompiledLanguagesCache);
StubLanguage stubLanguage = new StubLanguage();
stubLanguage.id__getValue = "fnord";
stubLanguage.name__getValue = "fnord";
stubLanguage.rules__getValue = new List <LanguageRule>
{
new LanguageRule("(a) (language) (rule)", new Dictionary <int, string>
{
{ 1, "style for the a part" },
{ 2, "style for the language part" },
{ 3, "style for the rule part" }
})
};
CompiledLanguage compiledLanguage = languageCompiler.Compile(stubLanguage);
Assert.Equal(@"(?x)
(?-xis)(?m)((a) (language) (rule))(?x)", compiledLanguage.Regex.ToString());
Assert.Null(compiledLanguage.Captures[0]);
Assert.Null(compiledLanguage.Captures[1]);
Assert.Equal("style for the a part", compiledLanguage.Captures[2]);
Assert.Equal("style for the language part", compiledLanguage.Captures[3]);
Assert.Equal("style for the rule part", compiledLanguage.Captures[4]);
}
public void It_will_yield_source_code_with_no_matches()
{
StubLanguageCompiler stubLanguageCompiler = new StubLanguageCompiler();
stubLanguageCompiler.Compile__return = new CompiledLanguage("fnord", "fnord", new Regex("this won't match the source code"), new List <string> {
"fnord"
});
LanguageParser languageParser = new LanguageParser(stubLanguageCompiler, new StubLanguageRepository());
StubLanguage stubLanguage = new StubLanguage();
const string sourceCode = "source code that won't be matched";
int parseHandlerInvocations = 0;
Stack <string> parsedSourceCodeStack = new Stack <string>();
Stack <IList <Scope> > scopesStack = new Stack <IList <Scope> >();
languageParser.Parse(sourceCode, stubLanguage, (parsedSourceCode, scopes) =>
{
parseHandlerInvocations++;
parsedSourceCodeStack.Push(parsedSourceCode);
scopesStack.Push(scopes);
});
Assert.Equal(1, parseHandlerInvocations);
string firstParsedSourceCode = parsedSourceCodeStack.Pop();
IList <Scope> firstScopes = scopesStack.Pop();
Assert.Equal("source code that won't be matched", firstParsedSourceCode);
Assert.Empty(firstScopes);
}
public void It_will_retrieve_a_previously_compiled_language_from_the_cache_when_one_is_there()
{
Dictionary <string, CompiledLanguage> stubCompiledLanguagesCache = new Dictionary <string, CompiledLanguage>();
CompiledLanguage stubCompiledLanguage = new CompiledLanguage("theLanguageId", "fnord", new Regex("fnord"), new List <string> {
"fnord"
});
stubCompiledLanguagesCache.Add(stubCompiledLanguage.Id, stubCompiledLanguage);
LanguageCompiler languageCompiler = new LanguageCompiler(stubCompiledLanguagesCache);
StubLanguage stubLanguage = new StubLanguage();
stubLanguage.id__getValue = "theLanguageId";
stubLanguage.name__getValue = "fnord";
stubLanguage.rules__getValue = new List <LanguageRule> {
new LanguageRule("fnord", new Dictionary <int, string> {
{ 0, "fnord" }
})
};
CompiledLanguage compiledLanguage = languageCompiler.Compile(stubLanguage);
Assert.Equal("theLanguageId", compiledLanguage.Id);
Assert.False(stubLanguage.Name__getInvoked);
Assert.False(stubLanguage.Rules__getInvoked);
}
public void Will_parse_the_source_code()
{
StubLanguageParser stubLanguageParser = new StubLanguageParser();
CodeColorizer codeColorizer = new CodeColorizer(stubLanguageParser);
const string sourceCode = "fnord";
StubLanguage stubLanguage = new StubLanguage();
codeColorizer.Colorize(sourceCode, stubLanguage, new StubFormatter(), new StubStyleSheet(), new StubTextWriter());
Assert.Equal(sourceCode, stubLanguageParser.Parse__sourceCode);
Assert.Equal(stubLanguage, stubLanguageParser.Parse__language);
}
public void Will_add_the_language_to_the_loaded_languages()
{
var stubLoadedLanguages = new Dictionary <string, ILanguage>();
var languageRepository = new LanguageRepository(stubLoadedLanguages);
var stubLanguage = new StubLanguage();
stubLanguage.id__getValue = "fnord";
languageRepository.Load(stubLanguage);
Assert.Contains(stubLanguage, stubLoadedLanguages.Values);
}
public void Will_throw_when__the_language_identifier_is_empty()
{
var languageRepository = new LanguageRepository(new Dictionary <string, ILanguage>());
var language = new StubLanguage();
language.id__getValue = string.Empty;
Exception ex = Record.Exception(() => languageRepository.Load(language));
Assert.IsType <ArgumentException>(ex);
Assert.Contains("The language identifier must not be null or empty.", ex.Message);
Assert.Equal("language", ((ArgumentException)ex).ParamName);
}
public void Will_find_a_loaded_language_with_a_matching_case_insensitive_identfier()
{
var expected = new StubLanguage();
expected.id__getValue = "fnord";
var loadedLanguages = new Dictionary <string, ILanguage>();
loadedLanguages.Add(expected.Id, expected);
var languageRepository = new LanguageRepository(loadedLanguages);
ILanguage actual = languageRepository.FindById(expected.Id.ToUpper());
Assert.Equal(expected, actual);
}
public void It_will_write_the_header_with_no_class_name_if_language_does_not_specify_one()
{
HtmlClassFormatter formatter = new HtmlClassFormatter();
StubStyleSheet stubStyleSheet = new StubStyleSheet {
Name__getValue = "fnord", Styles__getValue = new StyleDictionary()
};
StubLanguage stubLanguage = new StubLanguage {
CssClassName_getValue = ""
};
StubTextWriter stubTextWriter = new StubTextWriter();
formatter.WriteHeader(stubStyleSheet, stubLanguage, stubTextWriter);
Assert.Equal("<div><pre>", stubTextWriter.Write__buffer.Trim());
}
public void Will_return_null_if_no_loaded_languages_match_the_language_identifier_nor_the_alias()
{
var expected = new StubLanguage();
expected.id__getValue = "fnord";
expected.Alias_getValue = "alias";
var loadedLanguages = new Dictionary <string, ILanguage>();
loadedLanguages.Add(expected.Id, expected);
var languageRepository = new LanguageRepository(loadedLanguages);
ILanguage actual = languageRepository.FindById("fake");
Assert.Null(actual);
}
public void It_will_compile_the_language()
{
StubLanguageCompiler stubLanguageCompiler = new StubLanguageCompiler();
stubLanguageCompiler.Compile__return = new CompiledLanguage("fnord", "fnord", new Regex("fnord"), new List <string> {
"fnord"
});
LanguageParser languageParser = new LanguageParser(stubLanguageCompiler, new StubLanguageRepository());
StubLanguage stubLanguage = new StubLanguage();
const string sourceCode = "fnord";
languageParser.Parse(sourceCode, stubLanguage, (parsedSourceCode, scopes) => { });
Assert.Equal(stubLanguage, stubLanguageCompiler.Compile__language);
}
public void Will_find_a_loaded_language_with_a_matching_alias()
{
var expected = new StubLanguage();
expected.id__getValue = "fnord";
expected.Alias_getValue = "alias";
var loadedLanguages = new Dictionary <string, ILanguage>();
loadedLanguages.Add(expected.Id, expected);
var languageRepository = new LanguageRepository(loadedLanguages);
ILanguage actual = languageRepository.FindById(expected.Alias_getValue);
Assert.Equal(expected, actual);
}
public void It_will_write_the_footer()
{
HtmlClassFormatter formatter = new HtmlClassFormatter();
StubStyleSheet stubStyleSheet = new StubStyleSheet {
Name__getValue = "fnord", Styles__getValue = new StyleDictionary {
}
};
StubLanguage stubLanguage = new StubLanguage {
CssClassName_getValue = "fnord"
};
StubTextWriter stubTextWriter = new StubTextWriter();
formatter.WriteFooter(stubStyleSheet, stubLanguage, stubTextWriter);
Assert.Equal("</pre></div>", stubTextWriter.Write__buffer.Trim());
}
public void It_will_throw_when_the_language_is_not_in_cach_and_the_rules_collection_is_empty()
{
Dictionary <string, CompiledLanguage> stubCompiledLanguagesCache = new Dictionary <string, CompiledLanguage>();
LanguageCompiler languageCompiler = new LanguageCompiler(stubCompiledLanguagesCache);
StubLanguage stubLanguage = new StubLanguage();
stubLanguage.id__getValue = "fnord";
stubLanguage.name__getValue = "fnord";
stubLanguage.rules__getValue = new List <LanguageRule>();
Exception ex = Record.Exception(() => languageCompiler.Compile(stubLanguage));
Assert.IsType <ArgumentException>(ex);
Assert.Contains("The language rules collection must not be empty.", ex.Message);
Assert.Equal("language", ((ArgumentException)ex).ParamName);
}
public void It_will_throw_if_the_nested_language_is_not_found()
{
StubLanguageCompiler stubLanguageCompiler = new StubLanguageCompiler();
stubLanguageCompiler.Compile__do = (language) => new CompiledLanguage("fnord", "fnord", new Regex("(source code with ){(.*?)}( in the curly braces)"), new List <string> {
null, "style for part before nested language", "&nestedLanguageId", "style for part after nested language"
});
LanguageParser languageParser = new LanguageParser(stubLanguageCompiler, new StubLanguageRepository());
StubLanguage stubLanguage = new StubLanguage();
const string sourceCode = "source code with {a nested language} in the curly braces";
Exception ex = Record.Exception(() => languageParser.Parse(sourceCode, stubLanguage, (parsedSourceCode, scopes) => { }));
Assert.IsType <InvalidOperationException>(ex);
Assert.Contains("The nested language was not found in the language repository.", ex.Message);
}
public void It_will_write_the_language_name_into_the_header()
{
HtmlClassFormatter formatter = new HtmlClassFormatter();
StubStyleSheet stubStyleSheet = new StubStyleSheet {
Name__getValue = "fnord", Styles__getValue = new StyleDictionary {
}
};
StubLanguage language = new StubLanguage {
CssClassName_getValue = "fnord"
};
StubTextWriter stubTextWriter = new StubTextWriter();
formatter.WriteHeader(stubStyleSheet, language, stubTextWriter);
Assert.Equal("<div class=\"fnord\"><pre>", stubTextWriter.Write__buffer.Trim());
}
public void Will_add_a_second_language_to_the_loaded_languages()
{
var loadedLanguages = new Dictionary <string, ILanguage>();
var languageRepository = new LanguageRepository(loadedLanguages);
var language1 = new StubLanguage();
language1.id__getValue = "fnord";
var language2 = new StubLanguage();
language2.id__getValue = "not fnord";
languageRepository.Load(language1);
languageRepository.Load(language2);
Assert.Contains(language1, loadedLanguages.Values);
Assert.Contains(language2, loadedLanguages.Values);
}
public void Will_replace_an_existing_language_with_same_identifier()
{
var loadedLanguages = new Dictionary <string, ILanguage>();
var languageRepository = new LanguageRepository(loadedLanguages);
var language1 = new StubLanguage();
language1.id__getValue = "fnord";
var language2 = new StubLanguage();
language2.id__getValue = "fnord";
languageRepository.Load(language1);
languageRepository.Load(language2);
Assert.DoesNotContain(language1, loadedLanguages.Values);
Assert.Contains(language2, loadedLanguages.Values);
}
public void It_will_parse_nested_languages_with_nested_scopes()
{
StubLanguageCompiler stubLanguageCompiler = new StubLanguageCompiler();
Queue <CompiledLanguage> stubCompiledLanguages = new Queue <CompiledLanguage>();
stubCompiledLanguages.Enqueue(new CompiledLanguage("fnord", "fnord", new Regex("(source code with ){(.*?)}( in the curly braces)"), new List <string> {
null, "style for part before nested language", "&nestedLanguageId", "style for part after nested language"
}));
stubCompiledLanguages.Enqueue(new CompiledLanguage("nestedLanguageId", "fnord", new Regex("a (nested (lang)uage)"), new List <string> {
"style for a nested language", "style for nested language part", "style for lang part"
}));
stubLanguageCompiler.Compile__do = (language) => stubCompiledLanguages.Dequeue();
StubLanguageRepository stubLanguageRepository = new StubLanguageRepository();
stubLanguageRepository.FindById__do = (languageId) => new StubLanguage {
id__getValue = "nestedLanguageId", name__getValue = "fnord", rules__getValue = new List <LanguageRule> {
new LanguageRule("fnord", new Dictionary <int, string> {
{ 0, "fnord" }
})
}
};
LanguageParser languageParser = new LanguageParser(stubLanguageCompiler, stubLanguageRepository);
StubLanguage stubLanguage = new StubLanguage();
const string sourceCode = "source code with {a nested language} in the curly braces";
int parseHandlerInvocations = 0;
Stack <string> parsedSourceCodeStack = new Stack <string>();
Stack <IList <Scope> > scopesStack = new Stack <IList <Scope> >();
languageParser.Parse(sourceCode, stubLanguage, (parsedSourceCode, scopes) =>
{
parseHandlerInvocations++;
parsedSourceCodeStack.Push(parsedSourceCode);
scopesStack.Push(scopes);
});
Assert.Equal(1, parseHandlerInvocations);
string firstParsedSourceCode = parsedSourceCodeStack.Pop();
IList <Scope> firstScopes = scopesStack.Pop();
Assert.Equal("source code with {a nested language} in the curly braces", firstParsedSourceCode);
Assert.Equal("style for part before nested language", firstScopes[0].Name);
Assert.Equal("style for a nested language", firstScopes[1].Name);
Assert.Equal("style for nested language part", firstScopes[1].Children[0].Name);
Assert.Equal("style for lang part", firstScopes[1].Children[0].Children[0].Name);
Assert.Equal("style for part after nested language", firstScopes[2].Name);
}
public void It_will_use_the_language_name_for_the_compiled_language_name()
{
Dictionary <string, CompiledLanguage> stubCompiledLanguagesCache = new Dictionary <string, CompiledLanguage>();
LanguageCompiler languageCompiler = new LanguageCompiler(stubCompiledLanguagesCache);
StubLanguage stubLanguage = new StubLanguage();
stubLanguage.id__getValue = "fnord";
stubLanguage.name__getValue = "The Language ScopeName";
stubLanguage.rules__getValue = new List <LanguageRule> {
new LanguageRule("fnord", new Dictionary <int, string> {
{ 0, "fnord" }
})
};
CompiledLanguage compiledLanguage = languageCompiler.Compile(stubLanguage);
Assert.Equal("The Language ScopeName", compiledLanguage.Name);
}
public void Will_return_all_loaded_languages()
{
var language1 = new StubLanguage();
language1.id__getValue = "fnord";
var language2 = new StubLanguage();
language2.id__getValue = "not fnord";
var loadedLanguages = new Dictionary <string, ILanguage>();
loadedLanguages.Add(language1.Id, language1);
loadedLanguages.Add(language2.Id, language2);
var languageRepository = new LanguageRepository(loadedLanguages);
IEnumerable <ILanguage> all = languageRepository.All;
Assert.Contains(language1, all);
Assert.Contains(language2, all);
}
public void It_will_not_parse_empty_source_code()
{
StubLanguageCompiler stubLanguageCompiler = new StubLanguageCompiler();
stubLanguageCompiler.Compile__return = new CompiledLanguage("fnord", "fnord", new Regex("fnord"), new List <string> {
"fnord"
});
LanguageParser languageParser = new LanguageParser(stubLanguageCompiler, new StubLanguageRepository());
StubLanguage stubLanguage = new StubLanguage();
string sourceCode = string.Empty;
int parseHandlerInvocations = 0;
languageParser.Parse(sourceCode, stubLanguage, (parsedSourceCode, scopes) =>
{
parseHandlerInvocations++;
});
Assert.Equal(0, parseHandlerInvocations);
}
public void It_will_throw_when_the_language_identifier_is_empty()
{
Dictionary <string, CompiledLanguage> stubCompiledLanguagesCache = new Dictionary <string, CompiledLanguage>();
LanguageCompiler languageCompiler = new LanguageCompiler(stubCompiledLanguagesCache);
StubLanguage stubLanguage = new StubLanguage();
stubLanguage.id__getValue = string.Empty;
stubLanguage.name__getValue = "fnord";
stubLanguage.rules__getValue = new List <LanguageRule> {
new LanguageRule("fnord", new Dictionary <int, string> {
{ 0, "fnord" }
})
};
Exception ex = Record.Exception(() => languageCompiler.Compile(stubLanguage));
Assert.IsType <ArgumentException>(ex);
Assert.Contains("The language identifier must not be null.", ex.Message);
Assert.Equal("language", ((ArgumentException)ex).ParamName);
}
public void It_will_compile_a_single_language_rule_with_a_whole_capture()
{
Dictionary <string, CompiledLanguage> stubCompiledLanguagesCache = new Dictionary <string, CompiledLanguage>();
LanguageCompiler languageCompiler = new LanguageCompiler(stubCompiledLanguagesCache);
StubLanguage stubLanguage = new StubLanguage();
stubLanguage.id__getValue = "fnord";
stubLanguage.name__getValue = "fnord";
stubLanguage.rules__getValue = new List <LanguageRule> {
new LanguageRule("a language rule", new Dictionary <int, string> {
{ 0, "style for whole rule" }
})
};
CompiledLanguage compiledLanguage = languageCompiler.Compile(stubLanguage);
Assert.Equal(@"(?x)
(?-xis)(?m)(a language rule)(?x)", compiledLanguage.Regex.ToString());
Assert.Null(compiledLanguage.Captures[0]);
Assert.Equal("style for whole rule", compiledLanguage.Captures[1]);
}