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// -----------------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
// -----------------------------------------------------------------------
using System;
using System.Collections.Generic;
using System.Reflection;
using System.UnitTesting;
using Microsoft.VisualStudio.TestTools.UnitTesting;
namespace System.ComponentModel.Composition
{
[TestClass]
public class MetadataViewProviderTests
{
[TestMethod]
public void GetMetadataView_InterfaceWithPropertySetter_ShouldThrowNotSupported()
{
var metadata = new Dictionary<string, object>();
metadata["Value"] = "value";
ExceptionAssert.Throws<NotSupportedException>(() =>
{
MetadataViewProvider.GetMetadataView<IMetadataViewWithPropertySetter>(metadata);
});
}
[TestMethod]
public void GetMetadataView_InterfaceWithMethod_ShouldThrowNotSupportedException()
{
var metadata = new Dictionary<string, object>();
metadata["Value"] = "value";
ExceptionAssert.Throws<NotSupportedException>(() =>
{
MetadataViewProvider.GetMetadataView<IMetadataViewWithMethod>(metadata);
});
}
[TestMethod]
public void GetMetadataView_InterfaceWithEvent_ShouldThrowNotSupportedException()
{
var metadata = new Dictionary<string, object>();
metadata["Value"] = "value";
ExceptionAssert.Throws<NotSupportedException>(() =>
{
MetadataViewProvider.GetMetadataView<IMetadataViewWithEvent>(metadata);
});
}
[TestMethod]
public void GetMetadataView_InterfaceWithIndexer_ShouldThrowNotSupportedException()
{
var metadata = new Dictionary<string, object>();
metadata["Value"] = "value";
ExceptionAssert.Throws<NotSupportedException>(() =>
{
MetadataViewProvider.GetMetadataView<IMetadataViewWithIndexer>(metadata);
});
}
[TestMethod]
public void GetMetadataView_AbstractClass_ShouldThrowMissingMethodException()
{
var metadata = new Dictionary<string, object>();
metadata["Value"] = "value";
ExceptionAssert.Throws<CompositionContractMismatchException>(() =>
{
MetadataViewProvider.GetMetadataView<AbstractClassMetadataView>(metadata);
});
}
[TestMethod]
public void GetMetadataView_AbstractClassWithConstructor_ShouldThrowMemberAccessException()
{
var metadata = new Dictionary<string, object>();
metadata["Value"] = "value";
ExceptionAssert.Throws<MemberAccessException>(() =>
{
MetadataViewProvider.GetMetadataView<AbstractClassWithConstructorMetadataView>(metadata);
});
}
[TestMethod]
public void GetMetadataView_IDictionaryAsTMetadataViewTypeArgument_ShouldReturnMetadata()
{
var metadata = new Dictionary<string, object>();
var result = MetadataViewProvider.GetMetadataView<IDictionary<string, object>>(metadata);
Assert.AreSame(metadata, result);
}
[TestMethod]
public void GetMetadataView_IEnumerableAsTMetadataViewTypeArgument_ShouldReturnMetadata()
{
var metadata = new Dictionary<string, object>();
var result = MetadataViewProvider.GetMetadataView<IEnumerable<KeyValuePair<string, object>>>(metadata);
Assert.AreSame(metadata, result);
}
[TestMethod]
public void GetMetadataView_DictionaryAsTMetadataViewTypeArgument_ShouldNotThrow()
{
var metadata = new Dictionary<string, object>();
MetadataViewProvider.GetMetadataView<Dictionary<string, object>>(metadata);
}
[TestMethod]
public void GetMetadataView_PrivateInterfaceAsTMetadataViewTypeArgument_ShouldhrowNotSupportedException()
{
var metadata = new Dictionary<string, object>();
metadata["CanActivate"] = true;
ExceptionAssert.Throws<NotSupportedException>(() =>
{
MetadataViewProvider.GetMetadataView<IActivator>(metadata);
});
}
[TestMethod]
public void GetMetadataView_DictionaryWithUncastableValueAsMetadataArgument_ShouldThrowCompositionContractMismatchException()
{
var metadata = new Dictionary<string, object>();
metadata["Value"] = true;
ExceptionAssert.Throws<CompositionContractMismatchException>(() =>
{
MetadataViewProvider.GetMetadataView<IMetadataView>(metadata);
});
}
[TestMethod]
public void GetMetadataView_InterfaceWithTwoPropertiesWithSameNameDifferentTypeAsTMetadataViewArgument_ShouldThrowContractMismatch()
{
var metadata = new Dictionary<string, object>();
metadata["Value"] = 10;
ExceptionAssert.Throws<CompositionContractMismatchException>(() =>
{
MetadataViewProvider.GetMetadataView<IMetadataView2>(metadata);
});
}
[TestMethod]
public void GetMetadataView_RawMetadata()
{
var metadata = new Dictionary<string, object>();
metadata["Value"] = 10;
var view = MetadataViewProvider.GetMetadataView<RawMetadata>(new Dictionary<string, object>(metadata));
Assert.IsTrue(view.Count == metadata.Count);
Assert.IsTrue(view["Value"] == metadata["Value"]);
}
[TestMethod]
public void GetMetadataView_InterfaceInheritance()
{
var metadata = new Dictionary<string, object>();
metadata["Value"] = "value";
metadata["Value2"] = "value2";
var view = MetadataViewProvider.GetMetadataView<IMetadataView3>(metadata);
Assert.AreEqual("value", view.Value);
Assert.AreEqual("value2", view.Value2);
}
[TestMethod]
public void GetMetadataView_CachesViewType()
{
var metadata1 = new Dictionary<string, object>();
metadata1["Value"] = "value1";
var view1 = MetadataViewProvider.GetMetadataView<IMetadataView>(metadata1);
Assert.AreEqual("value1", view1.Value);
var metadata2 = new Dictionary<string, object>();
metadata2["Value"] = "value2";
var view2 = MetadataViewProvider.GetMetadataView<IMetadataView>(metadata2);
Assert.AreEqual("value2", view2.Value);
Assert.AreEqual(view1.GetType(), view2.GetType());
}
private interface IActivator
{
bool CanActivate
{
get;
}
}
public class RawMetadata : Dictionary<string, object>
{
public RawMetadata(IDictionary<string, object> dictionary) : base(dictionary) { }
}
public interface IMetadataView
{
string Value
{
get;
}
}
public interface IMetadataView2 : IMetadataView
{
new int Value
{
get;
}
}
public interface IMetadataView3 : IMetadataView
{
string Value2
{
get;
}
}
public interface IMetadataViewWithPropertySetter
{
string Value
{
get;
set;
}
}
public interface IMetadataViewWithMethod
{
string Value
{
get;
}
void Method();
}
public interface IMetadataViewWithEvent
{
string Value
{
get;
}
event EventHandler TestEvent;
}
public interface IMetadataViewWithIndexer
{
string Value
{
get;
}
string this[object o] { get; }
}
public abstract class AbstractClassMetadataView
{
public abstract object Value { get; }
}
public abstract class AbstractClassWithConstructorMetadataView
{
public AbstractClassWithConstructorMetadataView(IDictionary<string, object> metadata) {}
public abstract object Value { get; }
}
public interface IMetadataViewWithDefaultedInt
{
[DefaultValue(120)]
int MyInt { get; }
}
[TestMethod]
public void GetMetadataView_IMetadataViewWithDefaultedInt()
{
var view = MetadataViewProvider.GetMetadataView<IMetadataViewWithDefaultedInt>(new Dictionary<string, object>());
Assert.AreEqual(120, view.MyInt);
}
[TestMethod]
public void GetMetadataView_IMetadataViewWithDefaultedIntAndInvalidMetadata()
{
Dictionary<string, object> metadata = new Dictionary<string, object>();
metadata = new Dictionary<string, object>();
metadata.Add("MyInt", 1.2);
var view1 = MetadataViewProvider.GetMetadataView<IMetadataViewWithDefaultedInt>(metadata);
Assert.AreEqual(120, view1.MyInt);
metadata = new Dictionary<string, object>();
metadata.Add("MyInt", "Hello, World");
var view2 = MetadataViewProvider.GetMetadataView<IMetadataViewWithDefaultedInt>(metadata);
Assert.AreEqual(120, view2.MyInt);
}
public interface IMetadataViewWithDefaultedBool
{
[DefaultValue(false)]
bool MyBool { get; }
}
[TestMethod]
public void GetMetadataView_IMetadataViewWithDefaultedBool()
{
var view = MetadataViewProvider.GetMetadataView<IMetadataViewWithDefaultedBool>(new Dictionary<string, object>());
Assert.AreEqual(false, view.MyBool);
}
public interface IMetadataViewWithDefaultedInt64
{
[DefaultValue(Int64.MaxValue)]
Int64 MyInt64 { get; }
}
[TestMethod]
public void GetMetadataView_IMetadataViewWithDefaultedInt64()
{
var view = MetadataViewProvider.GetMetadataView<IMetadataViewWithDefaultedInt64>(new Dictionary<string, object>());
Assert.AreEqual(Int64.MaxValue, view.MyInt64);
}
public interface IMetadataViewWithDefaultedString
{
[DefaultValue("MyString")]
string MyString { get; }
}
[TestMethod]
public void GetMetadataView_IMetadataViewWithDefaultedString()
{
var view = MetadataViewProvider.GetMetadataView<IMetadataViewWithDefaultedString>(new Dictionary<string, object>());
Assert.AreEqual("MyString", view.MyString);
}
public interface IMetadataViewWithTypeMismatchDefaultValue
{
[DefaultValue("Strings can't cast to numbers")]
int MyInt { get; }
}
[TestMethod]
public void GetMetadataView_IMetadataViewWithTypeMismatchDefaultValue()
{
var exception = ExceptionAssert.Throws<CompositionContractMismatchException>(() =>
{
MetadataViewProvider.GetMetadataView<IMetadataViewWithTypeMismatchDefaultValue>(new Dictionary<string, object>());
});
Assert.IsInstanceOfType(exception.InnerException, typeof(TargetInvocationException));
}
public interface IMetadataViewUnboxAsInt
{
int Value { get; }
}
[TestMethod]
public void GetMetadataView_IMetadataViewWithTypeMismatchOnUnbox()
{
var metadata = new Dictionary<string, object>();
metadata["Value"] = (short)9999;
var exception = ExceptionAssert.Throws<CompositionContractMismatchException>(() =>
{
MetadataViewProvider.GetMetadataView<IMetadataViewWithTypeMismatchDefaultValue>(new Dictionary<string, object>());
});
Assert.IsInstanceOfType(exception.InnerException, typeof(TargetInvocationException));
}
public interface IHasInt32
{
Int32 Value { get; }
}
[TestMethod]
public void TestMetadataIntConversion()
{
var metadata = new Dictionary<string, object>();
metadata["Value"] = (Int64)45;
var exception = ExceptionAssert.Throws<CompositionContractMismatchException>(() =>
{
MetadataViewProvider.GetMetadataView<IHasInt32>(metadata);
});
}
}
}
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