public void ShouldThrowExceptionWhenLoadExtensionMethodDestructorsFromTypeNotExtensionClass()
{
// Arrange
NameAndTypeMappings mappings = new NameAndTypeMappings();
// Act & Assert
Assert.Throws <Exception>(() => mappings.MapExtensionMethodDestructorsFromType(typeof(DateTime)));
}
public void ShouldReturnNullIfConstantNotKnown()
{
// Arrange
var nameAndTypeMappings = new NameAndTypeMappings();
// Act
var value = nameAndTypeMappings.GetIdentifierForConstantValue(123);
// Assert
Assert.Null(value);
}
public void ShouldNotMapSameConstantIdentifierMultipleTimes()
{
// Arrange
var nameAndTypeMappings = new NameAndTypeMappings();
// Act & Assert
Assert.Throws <Exception>(() =>
{
nameAndTypeMappings.MapIdentifierNameToConstant("Pi", Math.PI);
nameAndTypeMappings.MapIdentifierNameToConstant("Pi", Math.PI);
});
}
public void ShouldGetBestDeconstructorFromExtensionMethods()
{
// Arrange
NameAndTypeMappings mappings = new NameAndTypeMappings();
// Act
mappings.MapExtensionMethodDestructorsFromType(typeof(DateTimeExtensions));
var deconstructor = mappings.GetBestDeconstructorMethodForAcTerm(typeof(DateTime));
// Assert
Assert.Equal(4, deconstructor.GetParameters().Length);
}
private static void NamedConstants()
{
Console.WriteLine("Named constants ...");
var nameMappings = new NameAndTypeMappings();
var serializer = new StringSerializer(nameAndTypeMappings: nameMappings);
nameMappings.MapIdentifierNameToConstant("Pi", Math.PI);
var output = serializer.Serialize(Math.PI);
Console.WriteLine(output);
Console.WriteLine();
}
public void ShouldSerializeConstant(object value, string identifier)
{
// Arrange
var nameAndTypeMappings = new NameAndTypeMappings();
var serializer = new StringSerializer(nameAndTypeMappings: nameAndTypeMappings);
// Act
nameAndTypeMappings.MapIdentifierNameToConstant(identifier, value);
var output = serializer.Serialize(value);
// Assert
Assert.True(StringComparer.InvariantCulture.Equals($"root: {identifier};", output));
}
public void ShouldTestTypeAssignability()
{
// Arrange
var nameAndTypeMappings = new NameAndTypeMappings();
nameAndTypeMappings.MapTermNameToType <FileInfo>("term1");
// Act & Assert
Assert.Throws <Exception>(() =>
{
_ = nameAndTypeMappings.GetTypeForTermName("term1", typeof(DateTime));
});
}
public void ShouldNotMapSameTermNameMoreThanOnce()
{
// Arrange
var nameAndTypeMappings = new NameAndTypeMappings();
nameAndTypeMappings.MapTermNameToType <FileInfo>("term1");
// Act & Assert
Assert.Throws <Exception>(() =>
{
nameAndTypeMappings.MapTermNameToType <DateTime>("term1");
});
}
public void ShouldSupportDeconstructorWithZeroArgs()
{
// Arrange
var nameAndTypeMappings = new NameAndTypeMappings();
var serializer = new StringSerializer(nameAndTypeMappings: nameAndTypeMappings);
var input = new RandomValue();
// Act
var output = serializer.Serialize(input);
// Assert
Assert.Equal("root: RandomValue();", output);
}
public void ShouldCallDefaultConstructorZeroArgsNoFieldMappingsGiven()
{
// Arrange
var nameAndTypeMappings = new NameAndTypeMappings();
var serializer = new StringSerializer(nameAndTypeMappings: nameAndTypeMappings);
var input = "root: person();";
// Act
nameAndTypeMappings.MapTermNameToType <Person>("person");
var output = serializer.Deserialize <Person>(input);
// Assert
Assert.NotNull(output);
}
public void ShouldDeserializeConstant(object value, string identifier)
{
// Arrange
var nameAndTypeMappings = new NameAndTypeMappings();
var serializer = new StringSerializer(nameAndTypeMappings: nameAndTypeMappings);
var input = $"root: {identifier};";
// Act
nameAndTypeMappings.MapIdentifierNameToConstant(identifier, value);
var output = serializer.Deserialize <object>(input);
// Assert
Assert.Equal(value, output);
}
private static void InheritanceAndNaming()
{
Console.WriteLine("Inheritance and naming ...");
var nameMappings = new NameAndTypeMappings();
var serializer = new StringSerializer(nameAndTypeMappings: nameMappings);
nameMappings.MapTermNameToType <Circle>("circle");
nameMappings.MapTermNameToType <Square>("square");
IShape circle = serializer.Deserialize <IShape>("root: circle<Radius>(10);");
IShape square = serializer.Deserialize <IShape>("root: square<Width>(10);");
Console.WriteLine(circle.GetType().Name);
Console.WriteLine(square.GetType().Name);
Console.WriteLine();
}
public void ShouldGenerateMultipleTerms()
{
var nameAndTypeMappings = new NameAndTypeMappings();
var translator = new ObjectToAstTranslator(nameAndTypeMappings);
RunTest("val(count_to_3());", "val(1);val(2);val(3);", "count_to_3", SymbolType.NonAcTerm, (inputTerm, database) =>
{
return(new[]
{
translator.BuildTermForObject(1, database),
translator.BuildTermForObject(2, database),
translator.BuildTermForObject(3, database)
});
});
}
public void ShouldCallNonDefaultConstructorNoFieldMappingsGiven()
{
// Arrange
var nameAndTypeMappings = new NameAndTypeMappings();
var serializer = new StringSerializer(nameAndTypeMappings: nameAndTypeMappings);
var input = "root: datetime(2020,10,10);";
// Act
nameAndTypeMappings.MapTermNameToType <DateTime>("datetime");
var output = serializer.Deserialize <DateTime>(input);
// Assert
Assert.Equal(2020, output.Year);
Assert.Equal(10, output.Month);
Assert.Equal(10, output.Day);
}
public void ShouldUseLongestDeconstructorToCreateNonAcTermForExtensionMethod()
{
// Arrange
var mappings = new NameAndTypeMappings();
var serializer = new StringSerializer(nameAndTypeMappings: mappings);
mappings.MapExtensionMethodDestructorsFromType(typeof(DateTimeExtensions));
mappings.MapTermNameToType <DateTime>("datetime");
var input = new DateTime(2020, 10, 13);
// Act
string deserialized = serializer.Serialize <DateTime>(input);
// Assert
Assert.Equal("root: datetime(2020,10,13);", deserialized);
}
public void ShouldSubstituteMappedTypeOnDeserialize()
{
// Arrange
var nameAndTypeMappings = new NameAndTypeMappings();
var serializer = new StringSerializer(nameAndTypeMappings: nameAndTypeMappings);
// Act
var input = "root: Person<ContactInfo>(ContactInfo<Name>(\"Sarel\"));";
nameAndTypeMappings.MapTermNameToType <PhoneInfo>("ContactInfo");
var output = serializer.Deserialize <Person>(input);
// Assert
Assert.IsType <PhoneInfo>(output.ContactInfo);
Assert.True(StringComparer.InvariantCulture.Equals(output.ContactInfo.Name, "Sarel"));
}
private static void ExpresionTree()
{
Console.WriteLine("Expression trees ...");
var nameMappings = new NameAndTypeMappings();
var serializer = new StringSerializer(nameAndTypeMappings: nameMappings);
nameMappings.MapTermNameToType <Add>("add");
nameMappings.MapTermNameToType <Sub>("sub");
nameMappings.MapTermNameToType <Mul>("mul");
nameMappings.MapTermNameToType <Div>("div");
string INPUT_DESERIALIZE = "root: div(mul(4,sub(add(3,2),1)),5);";
IExpression expr = serializer.Deserialize <IExpression>(INPUT_DESERIALIZE);
Console.WriteLine($"Result = {expr.Calculate()}");
}
public void ShouldUseLongestDeconstructorToCreateNonAcTermForNonExtensionMethod()
{
// Arrange
var nameAndTypeMappings = new NameAndTypeMappings();
var serializer = new StringSerializer(nameAndTypeMappings: nameAndTypeMappings);
var input = new PhoneInfo
{
Name = "Test T",
PhoneNumber = "1234567890"
};
// Act
nameAndTypeMappings.MapTermNameToType <PhoneInfo>("phone");
var output = serializer.Serialize(input);
// Assert
Assert.Equal("root: phone(\"1234567890\",\"Test T\");", output);
}
public void ShouldSubstituteMappedTypeOnSerialize()
{
// Arrange
var nameAndTypeMappings = new NameAndTypeMappings();
var serializer = new StringSerializer(nameAndTypeMappings: nameAndTypeMappings);
// Act
var input = new PhoneInfo
{
Name = "Sarel"
};
nameAndTypeMappings.MapTermNameToType <PhoneInfo>("ContactInfoRenamed");
var output = serializer.Serialize(input);
// Assert
Assert.True(StringComparer.InvariantCulture.Equals("root: ContactInfoRenamed(null,\"Sarel\");", output));
}
private static void ConstructorsAndDeconstructors()
{
var nameMappings = new NameAndTypeMappings();
var serializer = new StringSerializer(nameAndTypeMappings: nameMappings);
nameMappings.MapExtensionMethodDestructorsFromType(typeof(DateTimeExtensions));
nameMappings.MapTermNameToType <DateTime>("datetime");
Console.WriteLine("Build terms with constructors ...");
string INPUT_SERIALIZE = "root: datetime(2020,10,13);";
var output = serializer.Deserialize <DateTime>(INPUT_SERIALIZE);
Console.WriteLine($"Deserialized datetime = {output}");
Console.WriteLine("Build terms with deconstructors ...");
DateTime INPUT_DESERIALIZE = new DateTime(2020, 7, 8);
var outputSerialized = serializer.Serialize(INPUT_DESERIALIZE);
Console.WriteLine($"Deserialized datetime = {outputSerialized}");
}
public ObjectToAstTranslator(NameAndTypeMappings nameAndTypeMappings)
{
_nameAndTypeMappings = nameAndTypeMappings;
}
internal StringToObjectTranslator(NameAndTypeMappings nameAndTypeMappings)
{
_parser = new TrlParser();
_objectCache = new Dictionary <(ulong, string), object>(EqualityComparer <ValueTuple <ulong, string> > .Default);
_nameAndTypeMappings = nameAndTypeMappings;
}
