public void WithProperties()
{
//-- arrange
var classMember = new TypeMember(MemberVisibility.Public, TypeMemberKind.Class, "ClassOne");
classMember.Members.Add(new PropertyMember(classMember, MemberVisibility.Public, MemberModifier.None, typeof(int), "Number"));
classMember.Members.Add(new PropertyMember(classMember, MemberVisibility.Public, MemberModifier.None, typeof(string), "Text"));
var emitter = new ClassSyntaxEmitter(classMember);
//-- act
var syntax = emitter.EmitSyntax();
//-- assert
syntax.Should().BeEquivalentToCode(@"
public class ClassOne
{
public int Number { get; }
public string Text { get; }
}
");
}
public void FieldWithInitializer()
{
//-- arrange
var classMember = new TypeMember(MemberVisibility.Public, TypeMemberKind.Class, "ClassOne");
var fieldMember = new FieldMember(classMember, MemberVisibility.Private, MemberModifier.None, typeof(int), "_number")
{
IsReadOnly = true,
Initializer = new ConstantExpression {
Value = 123
}
};
classMember.Members.Add(fieldMember);
var emitter = new ClassSyntaxEmitter(classMember);
//-- act
var syntax = emitter.EmitSyntax();
//-- assert
syntax.Should().BeEquivalentToCode(@"
public class ClassOne
{
private readonly int _number = 123;
}
");
}
//-----------------------------------------------------------------------------------------------------------------------------------------------------
private MemberDeclarationSyntax EmitTypeSyntax(TypeMember type)
{
MemberDeclarationSyntax typeSyntax;
switch (type.TypeKind)
{
case TypeMemberKind.Class:
var classEmitter = new ClassSyntaxEmitter(type);
typeSyntax = classEmitter.EmitSyntax();
break;
case TypeMemberKind.Enum:
var enumEmitter = new EnumSyntaxEmitter(type);
typeSyntax = enumEmitter.EmitSyntax();
break;
default:
throw new NotSupportedException($"TypeMember of kind '{type.TypeKind}' is not supported.");
}
var annotation = new SyntaxAnnotation();
typeSyntax = typeSyntax.WithAdditionalAnnotations(annotation);
type.SafeBackendTag().Annotation = annotation;
return(typeSyntax);
}
public void WithMultipleAttributes()
{
//-- arrange
var classMember = new TypeMember(MemberVisibility.Public, TypeMemberKind.Class, "ClassOne");
classMember.Attributes.Add(new AttributeDescription()
{
AttributeType = new TypeMember(typeof(System.Diagnostics.DebuggerStepThroughAttribute))
});
classMember.Attributes.Add(new AttributeDescription()
{
AttributeType = new TypeMember(typeof(System.ComponentModel.LocalizableAttribute))
});
var emitter = new ClassSyntaxEmitter(classMember);
//-- act
var syntax = emitter.EmitSyntax();
//-- assert
syntax.Should().BeEquivalentToCode(@"
[System.Diagnostics.DebuggerStepThroughAttribute, System.ComponentModel.LocalizableAttribute]
public class ClassOne { }
");
}
public void WithMethods()
{
//-- arrange
var classMember = new TypeMember(MemberVisibility.Public, TypeMemberKind.Class, "ClassOne");
classMember.Members.Add(new MethodMember(MemberVisibility.Public, "First"));
classMember.Members.Add(new MethodMember(MemberVisibility.Public, "Second"));
var emitter = new ClassSyntaxEmitter(classMember);
//-- act
var syntax = emitter.EmitSyntax();
//-- assert
syntax.Should().BeEquivalentToCode(@"
public class ClassOne
{
public void First() { }
public void Second() { }
}
");
}
public void WithGenericTypeParameters()
{
//-- arrange
var classMember = new TypeMember(MemberVisibility.Public, TypeMemberKind.Class, "ClassOne",
new TypeMember(MemberVisibility.Public, TypeMemberKind.GenericParameter, "T"),
new TypeMember(MemberVisibility.Public, TypeMemberKind.GenericParameter, "K"));
//classMember.BaseType = new TypeMember(typeof(List<string>));
//classMember.Interfaces.Add(new TypeMember(typeof(IDictionary<int, DateTime>)));
var emitter = new ClassSyntaxEmitter(classMember);
//-- act
var syntax = emitter.EmitSyntax();
//-- assert
syntax.Should().BeEquivalentToCode(@"
public class ClassOne<T, K>
{
}
");
}
public void CanEmitConstructorDeclaration(
string expectedCode,
MemberVisibility visibility,
MemberModifier modifier,
Delegate signaturePrototype,
Action <ConstructorMember> constructorSetup)
{
//-- arrange
var constructor = new ConstructorMember(visibility, modifier, "ClassOne", new MethodSignature(signaturePrototype.GetMethodInfo()));
if (constructorSetup != null)
{
constructorSetup(constructor);
}
var enclosingClassMember = new TypeMember(MemberVisibility.Public, TypeMemberKind.Class, "ClassOne");
enclosingClassMember.Members.Add(constructor);
var enclosingClassEmitter = new ClassSyntaxEmitter(enclosingClassMember);
var expectedClassCode = "public class ClassOne { " + expectedCode + " }";
//-- act
var actualClassSyntax = enclosingClassEmitter.EmitSyntax();
//-- assert
actualClassSyntax.Should().BeEquivalentToCode(expectedClassCode);
}
public void Empty()
{
//-- arrange
var classMember = new TypeMember(MemberVisibility.Public, TypeMemberKind.Class, "ClassOne");
var emitter = new ClassSyntaxEmitter(classMember);
//-- act
var syntax = emitter.EmitSyntax();
//-- assert
syntax.Should().BeEquivalentToCode(
"public class ClassOne { }"
);
}
public void ClassWithFields()
{
//-- arrange
var classMember = new TypeMember(MemberVisibility.Public, TypeMemberKind.Class, "ClassOne");
classMember.Members.Add(new FieldMember(classMember, MemberVisibility.Public, MemberModifier.None, typeof(int), "PublicNumber"));
classMember.Members.Add(new FieldMember(classMember, MemberVisibility.Protected, MemberModifier.None, typeof(int), "ProtectedNumber"));
classMember.Members.Add(new FieldMember(classMember, MemberVisibility.Internal, MemberModifier.None, typeof(int), "InternalNumber"));
classMember.Members.Add(new FieldMember(classMember, MemberVisibility.InternalProtected, MemberModifier.None, typeof(int), "InternalProtectedNumber"));
classMember.Members.Add(new FieldMember(classMember, MemberVisibility.Private, MemberModifier.None, typeof(int), "_privateNumber"));
classMember.Members.Add(new FieldMember(classMember, MemberVisibility.Public, MemberModifier.Static, typeof(string), "PublicString"));
classMember.Members.Add(new FieldMember(classMember, MemberVisibility.Protected, MemberModifier.Static, typeof(string), "ProtectedString"));
classMember.Members.Add(new FieldMember(classMember, MemberVisibility.Internal, MemberModifier.Static, typeof(string), "InternalString"));
classMember.Members.Add(new FieldMember(classMember, MemberVisibility.InternalProtected, MemberModifier.Static, typeof(string), "InternalProtectedString"));
classMember.Members.Add(new FieldMember(classMember, MemberVisibility.Private, MemberModifier.Static, typeof(string), "_s_privateString"));
var emitter = new ClassSyntaxEmitter(classMember);
//-- act
var syntax = emitter.EmitSyntax();
//-- assert
syntax.Should().BeEquivalentToCode(@"
public class ClassOne
{
public int PublicNumber;
internal protected int InternalProtectedNumber;
protected int ProtectedNumber;
internal int InternalNumber;
private int _privateNumber;
public static string PublicString;
internal protected static string InternalProtectedString;
protected static string ProtectedString;
internal static string InternalString;
private static string _s_privateString;
}
");
}
public void WithOneInterface()
{
//-- arrange
var classMember = new TypeMember(MemberVisibility.Public, TypeMemberKind.Class, "ClassOne");
classMember.Interfaces.Add(new TypeMember(typeof(System.IDisposable)));
var emitter = new ClassSyntaxEmitter(classMember);
//-- act
var syntax = emitter.EmitSyntax();
//-- assert
syntax.Should().BeEquivalentToCode(
"public class ClassOne : System.IDisposable { }"
);
}
public void WithBase()
{
//-- arrange
var classMember = new TypeMember(MemberVisibility.Public, TypeMemberKind.Class, "ClassOne");
classMember.BaseType = new TypeMember(typeof(System.IO.Stream));
var emitter = new ClassSyntaxEmitter(classMember);
//-- act
var syntax = emitter.EmitSyntax();
//-- assert
syntax.Should().BeEquivalentToCode(
"public class ClassOne : System.IO.Stream { }"
);
}
public void WithGenericBaseTypes()
{
//-- arrange
var classMember = new TypeMember(MemberVisibility.Public, TypeMemberKind.Class, "ClassOne");
classMember.BaseType = new TypeMember(typeof(List <string>));
classMember.Interfaces.Add(new TypeMember(typeof(IDictionary <int, DateTime>)));
var emitter = new ClassSyntaxEmitter(classMember);
//-- act
var syntax = emitter.EmitSyntax();
//-- assert
syntax.Should().BeEquivalentToCode(@"
public class ClassOne :
System.Collections.Generic.List<string>,
System.Collections.Generic.IDictionary<int, System.DateTime>
{ }
");
}
public void CanGenerateHardCodedArtifactCatalogClass()
{
//-- arrange
var firstArtifactType = new TypeMember(MemberVisibility.Public, TypeMemberKind.Class, "FirstArtifact");
var secondArtifactType = new TypeMember(MemberVisibility.Public, TypeMemberKind.Class, "SecondArtifact");
var catalogType = new TypeMember(MemberVisibility.Public, TypeMemberKind.Class, "ThisAssemblyArtifactCatalog");
catalogType.BaseType = typeof(RuntimeTypeFactoryArtifactCatalog);
var getArtifactsMethod = new MethodMember(
MemberVisibility.Public,
MemberModifier.Override,
nameof(RuntimeTypeFactoryArtifactCatalog.GetArtifacts),
new MethodSignature {
ReturnValue = new MethodParameter {
Type = typeof(RuntimeTypeFactoryArtifact[])
}
});
var artifactsVariable = new LocalVariable {
Name = "artifacts"
};
getArtifactsMethod.Body = new BlockStatement(
new VariableDeclarationStatement {
Variable = artifactsVariable,
InitialValue = new NewArrayExpression {
ElementType = typeof(RuntimeTypeFactoryArtifact),
Length = new ConstantExpression {
Value = 2
}
},
},
new ExpressionStatement {
Expression = new AssignmentExpression {
Left = new IndexerExpression {
Target = new LocalVariableExpression {
Variable = artifactsVariable
},
Index = new ConstantExpression {
Value = 0
}
},
Right = new NewObjectExpression {
Type = firstArtifactType
}
}
},
new ExpressionStatement {
Expression = new AssignmentExpression {
Left = new IndexerExpression {
Target = new LocalVariableExpression {
Variable = artifactsVariable
},
Index = new ConstantExpression {
Value = 1
}
},
Right = new NewObjectExpression {
Type = secondArtifactType
}
}
},
new ReturnStatement {
Expression = new LocalVariableExpression {
Variable = artifactsVariable
}
}
);
catalogType.Members.Add(getArtifactsMethod);
//-- act
var syntaxEmitter = new ClassSyntaxEmitter(catalogType);
SyntaxNode actualSyntax;
using (TypeMemberTagCache.CreateOnCurrentThread())
{
actualSyntax = syntaxEmitter.EmitSyntax();
}
//-- assert
var expectedCode = @"
public class ThisAssemblyArtifactCatalog : NWheels.Compilation.Mechanism.Factories.RuntimeTypeFactoryArtifactCatalog
{
public override NWheels.Compilation.Mechanism.Factories.RuntimeTypeFactoryArtifact[] GetArtifacts()
{
var artifacts = new NWheels.Compilation.Mechanism.Factories.RuntimeTypeFactoryArtifact[2];
artifacts[0] = new FirstArtifact();
artifacts[1] = new SecondArtifact();
return artifacts;
}
}
";
actualSyntax.Should().BeEquivalentToCode(expectedCode);
}
public void CanGenerateHardCodedArtifactClass()
{
//-- arrange
var artifactType = new TypeMember(MemberVisibility.Public, TypeMemberKind.Class, "FirstArtifact");
artifactType.BaseType = new TypeMember(typeof(RuntimeTypeFactoryArtifact <>).MakeGenericType(typeof(IFirstContract)));
artifactType.Interfaces.Add(new TypeMember(typeof(IConstructor <>).MakeGenericType(typeof(IFirstContract))));
var constructor = new ConstructorMember(MemberVisibility.Public, MemberModifier.None, "FirstArtifact", new MethodSignature());
constructor.CallBaseConstructor = new MethodCallExpression();
var typeKeyConstructorCall = new MethodCallExpression();
typeKeyConstructorCall.Arguments.Add(new Argument {
Expression = new ConstantExpression {
Value = typeof(TestFactory)
}
});
typeKeyConstructorCall.Arguments.Add(new Argument {
Expression = new ConstantExpression {
Value = typeof(IFirstContract)
}
});
typeKeyConstructorCall.Arguments.Add(new Argument {
Expression = new ConstantExpression()
});
typeKeyConstructorCall.Arguments.Add(new Argument {
Expression = new ConstantExpression()
});
typeKeyConstructorCall.Arguments.Add(new Argument {
Expression = new ConstantExpression {
Value = 0
}
});
typeKeyConstructorCall.Arguments.Add(new Argument {
Expression = new ConstantExpression {
Value = 0
}
});
typeKeyConstructorCall.Arguments.Add(new Argument {
Expression = new ConstantExpression {
Value = 0
}
});
constructor.CallBaseConstructor.Arguments.Add(new Argument {
Expression = new NewObjectExpression {
Type = typeof(TypeKey),
ConstructorCall = typeKeyConstructorCall
}
});
constructor.CallBaseConstructor.Arguments.Add(new Argument {
Expression = new ConstantExpression {
Value = typeof(FirstContractImplementation)
}
});
var factoryMethod = new MethodMember(
MemberVisibility.Public,
MemberModifier.None,
nameof(IConstructor <object> .NewInstance),
new MethodSignature {
ReturnValue = new MethodParameter {
Type = typeof(IFirstContract)
}
});
factoryMethod.Body = new BlockStatement(
new ReturnStatement {
Expression = new NewObjectExpression {
Type = typeof(FirstContractImplementation)
}
}
);
var singletonMethod = new MethodMember(
MemberVisibility.Public,
MemberModifier.None,
nameof(IConstructor <object> .GetOrCreateSingleton),
new MethodSignature {
ReturnValue = new MethodParameter {
Type = typeof(IFirstContract)
}
});
singletonMethod.Body = new BlockStatement(
new ThrowStatement {
Exception = new NewObjectExpression {
Type = typeof(NotSupportedException)
}
}
);
artifactType.Members.Add(constructor);
artifactType.Members.Add(factoryMethod);
artifactType.Members.Add(singletonMethod);
//-- act
var syntaxEmitter = new ClassSyntaxEmitter(artifactType);
SyntaxNode actualSyntax;
using (TypeMemberTagCache.CreateOnCurrentThread())
{
actualSyntax = syntaxEmitter.EmitSyntax();
}
//-- assert
var expectedCode = @"
public class FirstArtifact :
NWheels.Compilation.Mechanism.Factories.RuntimeTypeFactoryArtifact<NWheels.Compilation.Adapters.Roslyn.UnitTests.RoslynTypeFactoryBackendTests.IFirstContract>,
NWheels.Compilation.Mechanism.Factories.IConstructor<NWheels.Compilation.Adapters.Roslyn.UnitTests.RoslynTypeFactoryBackendTests.IFirstContract>
{
public FirstArtifact() : base(
new NWheels.Compilation.Mechanism.Factories.TypeKey(
typeof(NWheels.Compilation.Adapters.Roslyn.UnitTests.RoslynTypeFactoryBackendTests.TestFactory),
typeof(NWheels.Compilation.Adapters.Roslyn.UnitTests.RoslynTypeFactoryBackendTests.IFirstContract),
null, null, 0, 0, 0),
typeof(NWheels.Compilation.Adapters.Roslyn.UnitTests.RoslynTypeFactoryBackendTests.FirstContractImplementation))
{
}
public NWheels.Compilation.Adapters.Roslyn.UnitTests.RoslynTypeFactoryBackendTests.IFirstContract NewInstance()
{
return new NWheels.Compilation.Adapters.Roslyn.UnitTests.RoslynTypeFactoryBackendTests.FirstContractImplementation();
}
public NWheels.Compilation.Adapters.Roslyn.UnitTests.RoslynTypeFactoryBackendTests.IFirstContract GetOrCreateSingleton()
{
throw new System.NotSupportedException();
}
}
";
actualSyntax.Should().BeEquivalentToCode(expectedCode);
}
public void CanOrderMembersOfType()
{
//-- arrange
#region Expected Code
var expectedCode = @"
public class ClassOne
{
public int PublicField;
internal protected int _protectedInternalField;
protected int _protectedField;
internal int _internalField;
private int _privateField;
public ClassOne(string s) { }
internal protected ClassOne(byte b) { }
protected ClassOne(int n) { }
internal ClassOne(float f) { }
private ClassOne(decimal m) { }
public void M1() { }
public int P1 { get; }
internal protected void M2() { }
internal protected int P2 { get; }
protected void M3() { }
protected int P3 { get; }
internal void M4() { }
internal int P4 { get; }
private void M5() { }
private int P5 { get; }
public static int PublicStaticField;
internal protected static int _s_protectedInternalStaticField;
protected static int _s_protectedStaticField;
internal static int _s_internalStaticField;
private static int _s_privateStaticField;
static ClassOne() { }
public static void StaticM1() { }
public static int StaticP1 { get; }
internal protected static void StaticM2() { }
internal protected static int StaticP2 { get; }
protected static void StaticM3() { }
protected static int StaticP3 { get; }
internal static void StaticM4() { }
internal static int StaticP4 { get; }
private static void StaticM5() { }
private static int StaticP5 { get; }
}";
#endregion
var classMember = new TypeMember(MemberVisibility.Public, TypeMemberKind.Class, "ClassOne");
#region Add Members
classMember.Members.AddRange(new PropertyMember[] {
new PropertyMember(classMember, MemberVisibility.Protected, MemberModifier.Static, typeof(int), "StaticP3"),
new PropertyMember(classMember, MemberVisibility.Private, MemberModifier.Static, typeof(int), "StaticP5"),
new PropertyMember(classMember, MemberVisibility.InternalProtected, MemberModifier.Static, typeof(int), "StaticP2"),
new PropertyMember(classMember, MemberVisibility.Public, MemberModifier.Static, typeof(int), "StaticP1"),
new PropertyMember(classMember, MemberVisibility.Internal, MemberModifier.Static, typeof(int), "StaticP4"),
});
classMember.Members.AddRange(new AbstractMember[] {
new ConstructorMember(MemberVisibility.Public, MemberModifier.Static, "ClassOne", new MethodSignature()),
new ConstructorMember(MemberVisibility.Protected, MemberModifier.None, "ClassOne", new MethodSignature(
new[] { new MethodParameter("n", 1, typeof(int)) }, returnValue: null, isAsync: false
)),
new ConstructorMember(MemberVisibility.Private, MemberModifier.None, "ClassOne", new MethodSignature(
new[] { new MethodParameter("m", 1, typeof(decimal)) }, returnValue: null, isAsync: false
)),
new ConstructorMember(MemberVisibility.InternalProtected, MemberModifier.None, "ClassOne", new MethodSignature(
new[] { new MethodParameter("b", 1, typeof(byte)) }, returnValue: null, isAsync: false
)),
new ConstructorMember(MemberVisibility.Public, MemberModifier.None, "ClassOne", new MethodSignature(
new[] { new MethodParameter("s", 1, typeof(string)) }, returnValue: null, isAsync: false
)),
new ConstructorMember(MemberVisibility.Internal, MemberModifier.None, "ClassOne", new MethodSignature(
new[] { new MethodParameter("f", 1, typeof(float)) }, returnValue: null, isAsync: false
)),
});
classMember.Members.AddRange(new AbstractMember[] {
new MethodMember(MemberVisibility.Protected, MemberModifier.Static, "StaticM3", new MethodSignature()),
new MethodMember(MemberVisibility.Private, MemberModifier.Static, "StaticM5", new MethodSignature()),
new MethodMember(MemberVisibility.Internal, MemberModifier.Static, "StaticM4", new MethodSignature()),
new MethodMember(MemberVisibility.Public, MemberModifier.Static, "StaticM1", new MethodSignature()),
new MethodMember(MemberVisibility.InternalProtected, MemberModifier.Static, "StaticM2", new MethodSignature()),
});
classMember.Members.AddRange(new AbstractMember[] {
new FieldMember(classMember, MemberVisibility.Protected, MemberModifier.Static, typeof(int), "_s_protectedStaticField"),
new FieldMember(classMember, MemberVisibility.Private, MemberModifier.Static, typeof(int), "_s_privateStaticField"),
new FieldMember(classMember, MemberVisibility.InternalProtected, MemberModifier.Static, typeof(int), "_s_protectedInternalStaticField"),
new FieldMember(classMember, MemberVisibility.Public, MemberModifier.Static, typeof(int), "PublicStaticField"),
new FieldMember(classMember, MemberVisibility.Internal, MemberModifier.Static, typeof(int), "_s_internalStaticField"),
});
classMember.Members.AddRange(new AbstractMember[] {
new FieldMember(classMember, MemberVisibility.Protected, MemberModifier.None, typeof(int), "_protectedField"),
new FieldMember(classMember, MemberVisibility.Private, MemberModifier.None, typeof(int), "_privateField"),
new FieldMember(classMember, MemberVisibility.InternalProtected, MemberModifier.None, typeof(int), "_protectedInternalField"),
new FieldMember(classMember, MemberVisibility.Public, MemberModifier.None, typeof(int), "PublicField"),
new FieldMember(classMember, MemberVisibility.Internal, MemberModifier.None, typeof(int), "_internalField"),
});
classMember.Members.AddRange(new PropertyMember[] {
new PropertyMember(classMember, MemberVisibility.Private, MemberModifier.None, typeof(int), "P5"),
new PropertyMember(classMember, MemberVisibility.Protected, MemberModifier.None, typeof(int), "P3"),
new PropertyMember(classMember, MemberVisibility.Internal, MemberModifier.None, typeof(int), "P4"),
new PropertyMember(classMember, MemberVisibility.Public, MemberModifier.None, typeof(int), "P1"),
new PropertyMember(classMember, MemberVisibility.InternalProtected, MemberModifier.None, typeof(int), "P2"),
});
classMember.Members.AddRange(new AbstractMember[] {
new MethodMember(MemberVisibility.Private, MemberModifier.None, "M5", new MethodSignature()),
new MethodMember(MemberVisibility.Protected, MemberModifier.None, "M3", new MethodSignature()),
new MethodMember(MemberVisibility.Internal, MemberModifier.None, "M4", new MethodSignature()),
new MethodMember(MemberVisibility.Public, MemberModifier.None, "M1", new MethodSignature()),
new MethodMember(MemberVisibility.InternalProtected, MemberModifier.None, "M2", new MethodSignature()),
});
#endregion
var emitter = new ClassSyntaxEmitter(classMember);
//-- act
var syntax = emitter.EmitSyntax();
//-- assert
syntax.Should().BeEquivalentToCode(expectedCode);
}
