public void CanDetectDuplicateFields()
{
//template with duplicate fields
var template = @"
{
""Inherits"": [],
""Components"": {
""Health"": 100.0,
""Inherits"": [""A""]
},
""Inherits"": [""A""]
}
";
var lexer = new EntityTemplateLexer(new AntlrInputStream(template));
var parser = new EntityTemplateParser(new CommonTokenStream(lexer))
{
ErrorHandler = new BailErrorStrategy()
};
var validationVisitor = new EntityTemplateValidatorVisitor();
var ast = parser.template();
Assert.False(validationVisitor.Visit(ast));
Assert.Single(validationVisitor.DuplicateFields);
Assert.Contains(validationVisitor.DuplicateFields, x => x == "Inherits");
}
public void CanParseTemplate()
{
var template = @"
{
""Id"": ""object"",
""ChildEntity"": { ""Components"": { ""Health"": 100.0 } },
""Components"": {
""Health"": 100.0,
""Weight"": 0.5
},
""Inherits"": [""A""]
}
";
var lexer = new EntityTemplateLexer(new AntlrInputStream(template));
var parser = new EntityTemplateParser(new CommonTokenStream(lexer))
{
ErrorHandler = new BailErrorStrategy()
};
var parserVisitor = new EntityTemplateParserVisitor();
var ast = parser.template();
var entityTemplate = parserVisitor.Visit(ast);
Assert.True(entityTemplate.Children.ContainsKey("ChildEntity"));
Assert.Single(entityTemplate.Children["ChildEntity"].Components);
Assert.Equal(100.0, entityTemplate.Children["ChildEntity"].Components["Health"]);
Assert.Equal(2, entityTemplate.Components.Count);
Assert.Equal(100.0, entityTemplate.Components["Health"]);
Assert.Equal(0.5, entityTemplate.Components["Weight"]);
}
public void CanDetectNonObjectNonMandatoryRootFields()
{
//template with duplicate fields
var template = @"
{
""Inherits"": [],
""Components"": {
""Health"": 100.0,
""Inherits"": [""A""]
},
""Foo"": 100.0,
""FooBar"" : { ""Health"": 100.0 },
""Bar"": [""A""]
}
";
var lexer = new EntityTemplateLexer(new AntlrInputStream(template));
var parser = new EntityTemplateParser(new CommonTokenStream(lexer))
{
ErrorHandler = new BailErrorStrategy()
};
var validationVisitor = new EntityTemplateValidatorVisitor();
var ast = parser.template();
Assert.False(validationVisitor.Visit(ast));
Assert.Equal(2, validationVisitor.NonObjectFieldKeys.Count());
Assert.Contains(validationVisitor.NonObjectFieldKeys, x => x == "Foo" || x == "Bar");
}
public static EntityTemplate Parse(string templateJson, IAntlrErrorStrategy errorStrategy = null)
{
var lexer = new EntityTemplateLexer(new AntlrInputStream(templateJson));
var parser = new EntityTemplateParser(new CommonTokenStream(lexer))
{
ErrorHandler = errorStrategy ?? new BailErrorStrategy()
};
var ast = parser.template();
ValidatorVisitor.Reset();
ValidatorVisitor.Visit(ast);
try
{
ValidatorVisitor.ThrowExceptionIfErrors();
}
catch (Exception e)
{
throw new InvalidDataException($"Tried to parse template from json: '{templateJson}' but failed. See inner exception for details", e);
}
var parserVisitor = new EntityTemplateParserVisitor();
return(parserVisitor.Visit(ast));
}
public void CanDetectDuplicateFieldsInDifferentContexts()
{
var template = @"
{
""Id"": ""object"",
""Inherits"": [],
""Components"": {
""Health"": 100.0,
""Inherits"": [""A""]
}
}
";
var template2 = @"
{
""Id"": ""object"",
""Inherits"": [],
""Components"": {
""Health"": 100.0,
""Inherits"": [""A""]
},
""Id"": ""object""
}
";
var lexer = new EntityTemplateLexer(new AntlrInputStream(template));
var parser = new EntityTemplateParser(new CommonTokenStream(lexer))
{
ErrorHandler = new BailErrorStrategy()
};
var validationVisitor = new EntityTemplateValidatorVisitor();
var ast = parser.template();
Assert.True(validationVisitor.Visit(ast));
Assert.Empty(validationVisitor.DuplicateFields);
lexer.SetInputStream(new AntlrInputStream(template2));
parser.SetInputStream(new CommonTokenStream(lexer));
var ast2 = parser.template();
validationVisitor.Reset();
Assert.False(validationVisitor.Visit(ast2));
Assert.Single(validationVisitor.DuplicateFields);
Assert.Contains(validationVisitor.DuplicateFields, x => x == "Id");
}
public void CanVerifyMandatoryFields()
{
//with mandatory fields present
var template1 = @"
{
""Id"": ""object"",
""Inherits"": [],
""Components"": {
""Health"": 100.0,
""Inherits"": [""A""]
}
}
";
//with some mandatory fields missing
var template2 = @"
{
""Id"": ""object"",
""Components"": {
""Health"": 100.0,
""Inherits"": [""A""]
}
}
";
//with all mandatory fields missing
var template3 = @"
{
""Foo"": ""Bar"",
""Bar"": ""Foo""
}
";
var lexer = new EntityTemplateLexer(new AntlrInputStream(template1));
var parser = new EntityTemplateParser(new CommonTokenStream(lexer))
{
ErrorHandler = new BailErrorStrategy()
};
var validationVisitor = new EntityTemplateValidatorVisitor();
var ast1 = parser.template();
Assert.True(validationVisitor.Visit(ast1));
Assert.True(validationVisitor.HasComponentsField);
Assert.True(validationVisitor.HasIdentifierField);
Assert.True(validationVisitor.HasInheritsField);
lexer.SetInputStream(new AntlrInputStream(template2));
parser.SetInputStream(new CommonTokenStream(lexer));
var ast2 = parser.template();
validationVisitor.Reset();
Assert.False(validationVisitor.Visit(ast2));
Assert.True(validationVisitor.HasComponentsField);
Assert.True(validationVisitor.HasIdentifierField);
Assert.False(validationVisitor.HasInheritsField);
lexer.SetInputStream(new AntlrInputStream(template3));
parser.SetInputStream(new CommonTokenStream(lexer));
var ast3 = parser.template();
validationVisitor.Reset();
Assert.False(validationVisitor.Visit(ast3));
Assert.False(validationVisitor.HasComponentsField);
Assert.False(validationVisitor.HasIdentifierField);
Assert.False(validationVisitor.HasInheritsField);
}