public void AddTextWithWrongId()
{
var diagnostics = LGParser.ParseText("[import](xx.lg) \r\n # t \n - hi", "a.lg").Diagnostics;
Assert.AreEqual(1, diagnostics.Count);
Assert.IsTrue(diagnostics[0].Message.Contains("Could not find file"));
}
/// <summary>
/// Use to evaluate an inline template str.
/// </summary>
/// <param name="lgFile">lg file.</param>
/// <param name="inlineStr">inline string which will be evaluated.</param>
/// <param name="scope">scope object or JToken.</param>
/// <returns>Evaluate result.</returns>
public static object Evaluate(this LGFile lgFile, string inlineStr, object scope = null)
{
if (inlineStr == null)
{
throw new ArgumentException("inline string is null.");
}
CheckErrors(lgFile.AllDiagnostics);
// wrap inline string with "# name and -" to align the evaluation process
var fakeTemplateId = Guid.NewGuid().ToString();
var multiLineMark = "```";
inlineStr = !inlineStr.Trim().StartsWith(multiLineMark) && inlineStr.Contains('\n')
? $"{multiLineMark}{inlineStr}{multiLineMark}" : inlineStr;
var newContent = $"# {fakeTemplateId} \r\n - {inlineStr}";
var newLgFile = LGParser.ParseText(newContent, lgFile.Id, lgFile.ImportResolver);
var allTemplates = lgFile.AllTemplates.Union(newLgFile.AllTemplates).ToList();
var evaluator = new Evaluator(allTemplates, lgFile.ExpressionEngine);
return(evaluator.EvaluateTemplate(fakeTemplateId, scope));
}
/// <summary>
/// Initializes a new instance of the <see cref="TemplateEngineLanguageGenerator"/> class.
/// </summary>
/// <param name="lgText">lg template text.</param>
/// <param name="id">optional label for the source of the templates (used for labeling source of template errors).</param>
/// <param name="resourceMapping">template resource loader delegate (locale) -> <see cref="ImportResolverDelegate"/>.</param>
public TemplateEngineLanguageGenerator(string lgText, string id, Dictionary <string, IList <IResource> > resourceMapping)
{
this.Id = id ?? DEFAULTLABEL;
var(_, locale) = LGResourceLoader.ParseLGFileName(id);
var importResolver = LanguageGeneratorManager.ResourceExplorerResolver(locale, resourceMapping);
this.lgFile = LGParser.ParseText(lgText ?? string.Empty, Id, importResolver);
}
public void TestImportLgFiles()
{
var lgFile = LGParser.ParseFile(GetExampleFilePath("import.lg"));
// Assert 6.lg is imported only once when there are several relative paths which point to the same file.
// Assert import cycle loop is handled well as expected when a file imports itself.
Assert.AreEqual(14, lgFile.AllTemplates.Count());
string evaled = lgFile.EvaluateTemplate("basicTemplate", null).ToString();
Assert.IsTrue(evaled == "Hi" || evaled == "Hello");
evaled = lgFile.EvaluateTemplate("welcome", null).ToString();
Assert.IsTrue(evaled == "Hi DongLei :)" ||
evaled == "Hey DongLei :)" ||
evaled == "Hello DongLei :)");
evaled = lgFile.EvaluateTemplate("template3", null).ToString();
Assert.IsTrue(evaled == "Hi 2" || evaled == "Hello 2");
evaled = lgFile.EvaluateTemplate("welcome", new { userName = "******" }).ToString();
Assert.IsTrue(evaled == "Hi DL :)" ||
evaled == "Hey DL :)" ||
evaled == "Hello DL :)");
evaled = lgFile.EvaluateTemplate("basicTemplate2", null).ToString();
Assert.IsTrue(evaled == "Hi 2" || evaled == "Hello 2");
// Assert 6.lg of relative path is imported from text.
lgFile = LGParser.ParseText("# basicTemplate\r\n- Hi\r\n- Hello\r\n[import](./6.lg)", GetExampleFilePath("xx.lg"));
Assert.AreEqual(8, lgFile.AllTemplates.Count());
evaled = lgFile.EvaluateTemplate("basicTemplate", null).ToString();
Assert.IsTrue(evaled == "Hi" || evaled == "Hello");
evaled = lgFile.EvaluateTemplate("welcome", null).ToString();
Assert.IsTrue(evaled == "Hi DongLei :)" ||
evaled == "Hey DongLei :)" ||
evaled == "Hello DongLei :)");
evaled = lgFile.EvaluateTemplate("welcome", new { userName = "******" }).ToString();
Assert.IsTrue(evaled == "Hi DL :)" ||
evaled == "Hey DL :)" ||
evaled == "Hello DL :)");
}