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//------------------------------------------------------------
// Copyright (c) Microsoft Corporation. All rights reserved.
//------------------------------------------------------------
using System;
using System.ComponentModel.Composition;
using System.Collections.Generic;
using System.Linq;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using System.Linq.Expressions;
using System.UnitTesting;
using System.ComponentModel.Composition.Factories;
using System.ComponentModel.Composition.UnitTesting;
using System.ComponentModel.Composition.Primitives;
using System.ComponentModel.Composition.Hosting;
namespace System.ComponentModel.Composition
{
[TestClass]
public class ContractBasedImportDefinitionTests
{
[TestMethod]
public void Constructor1_ShouldSetRequiredMetadataPropertyToEmptyEnumerable()
{
var definition = new NoOverridesContractBasedImportDefinition();
EnumerableAssert.IsEmpty(definition.RequiredMetadata);
}
[TestMethod]
public void Constructor1_ShouldSetCardinalityPropertyToExactlyOne()
{
var definition = new NoOverridesContractBasedImportDefinition();
Assert.AreEqual(ImportCardinality.ExactlyOne, definition.Cardinality);
}
[TestMethod]
public void Constructor1_ShouldSetIsPrerequisitePropertyToTrue()
{
var definition = new NoOverridesContractBasedImportDefinition();
Assert.IsTrue(definition.IsPrerequisite);
}
[TestMethod]
public void Constructor1_ShouldSetIsRecomposablePropertyToFalse()
{
var definition = new NoOverridesContractBasedImportDefinition();
Assert.IsFalse(definition.IsRecomposable);
}
[TestMethod]
public void Constructor1_ShouldSetRequiredCreationPolicyToAny()
{
var definition = new NoOverridesContractBasedImportDefinition();
Assert.AreEqual(CreationPolicy.Any, definition.RequiredCreationPolicy);
}
[TestMethod]
public void Constructor1_ShouldSetRequiredTypeIdentityToNull()
{
var definition = new NoOverridesContractBasedImportDefinition();
Assert.IsNull(definition.RequiredTypeIdentity);
}
[TestMethod]
public void Constructor2_NullAsContractNameArgument_ShouldThrowArgumentNull()
{
ExceptionAssert.ThrowsArgument<ArgumentNullException>("contractName", () =>
{
new ContractBasedImportDefinition((string)null, (string)null, Enumerable.Empty<KeyValuePair<string, Type>>(), ImportCardinality.ExactlyOne, false, false, CreationPolicy.Any);
});
}
[TestMethod]
public void Constructor2_EmptyStringAsContractNameArgument_ShouldThrowArgument()
{
ExceptionAssert.ThrowsArgument<ArgumentException>("contractName", () =>
{
new ContractBasedImportDefinition("", (string)null, Enumerable.Empty<KeyValuePair<string, Type>>(), ImportCardinality.ExactlyOne, false, false, CreationPolicy.Any);
});
}
[TestMethod]
public void RequiredMetadata_ArrayWithNullKeyAsRequiredMetadataArgument_ShouldThrowInvalidOperation()
{
var requiredMetadata = new KeyValuePair<string, Type>[] { new KeyValuePair<string, Type>(null, typeof(object)) };
var import = new ContractBasedImportDefinition("requiredMetadata", (string)null, requiredMetadata, ImportCardinality.ExactlyOne, false, false, CreationPolicy.Any);
ExceptionAssert.Throws<InvalidOperationException>(() =>
{
var m = import.RequiredMetadata;
});
}
[TestMethod]
public void RequiredMetadata_ArrayWithNullValueAsRequiredMetadataArgument_ShouldThrowInvalidOperation()
{
var requiredMetadata = new KeyValuePair<string, Type>[] { new KeyValuePair<string, Type>("key", null) };
var import = new ContractBasedImportDefinition("requiredMetadata", (string)null, requiredMetadata, ImportCardinality.ExactlyOne, false, false, CreationPolicy.Any);
ExceptionAssert.Throws<InvalidOperationException>(() =>
{
var m = import.RequiredMetadata;
});
}
[TestMethod]
public void Constructor2_NullAsRequiredMetadataArgument_ShouldSetRequiredMetadataToEmptyEnumerable()
{
var definition = new ContractBasedImportDefinition("requiredMetadata", (string)null, (IEnumerable<KeyValuePair<string, Type>>)null, ImportCardinality.ExactlyOne, false, false, CreationPolicy.Any);
EnumerableAssert.IsEmpty(definition.RequiredMetadata);
}
[TestMethod]
public void Constructor2_OutOfRangeValueAsCardinalityArgument_ShouldThrowArgument()
{
var expectations = Expectations.GetInvalidEnumValues<ImportCardinality>();
foreach (var e in expectations)
{
ExceptionAssert.ThrowsArgument<ArgumentException>("cardinality", () =>
{
new ContractBasedImportDefinition((string)null, (string)null, Enumerable.Empty<KeyValuePair<string, Type>>(), e, false, false, CreationPolicy.Any);
});
}
}
[TestMethod]
public void Constructor2_ValueAsCardinalityArgument_ShouldSetCardinalityProperty()
{
var expectations = Expectations.GetEnumValues<ImportCardinality>();
foreach (var e in expectations)
{
var definition = new ContractBasedImportDefinition("ContractName", (string)null, Enumerable.Empty<KeyValuePair<string, Type>>(), e, false, false, CreationPolicy.Any);
Assert.AreEqual(e, definition.Cardinality);
}
}
[TestMethod]
public void Constructor2_ValueAsContractNameArgument_ShouldSetContractNameProperty()
{
var expectations = Expectations.GetContractNames();
foreach (var e in expectations)
{
var definition = new ContractBasedImportDefinition(e, (string)null, Enumerable.Empty<KeyValuePair<string, Type>>(), ImportCardinality.ExactlyOne, false, false, CreationPolicy.Any);
Assert.AreEqual(e, definition.ContractName);
}
}
[TestMethod]
public void Constructor2_ValueAsRequiredMetadataArgument_ShouldSetRequiredMetadataProperty()
{
var expectations = Expectations.GetRequiredMetadataWithEmpty();
foreach (var e in expectations)
{
var definition = new ContractBasedImportDefinition("ContractName", (string)null, e, ImportCardinality.ExactlyOne, false, false, CreationPolicy.Any);
EnumerableAssert.AreEqual(e, definition.RequiredMetadata);
}
}
[TestMethod]
public void Constructor2_ValueAsIsRecomposableArgument_ShouldSetIsRecomposableProperty()
{
var expectations = Expectations.GetBooleans();
foreach (var e in expectations)
{
var definition = new ContractBasedImportDefinition("ContractName", (string)null, Enumerable.Empty<KeyValuePair<string, Type>>(), ImportCardinality.ExactlyOne, e, false, CreationPolicy.Any);
Assert.AreEqual(e, definition.IsRecomposable);
}
}
[TestMethod]
public void Constructor2_ValueAsIsPrerequisiteArgument_ShouldSetIsPrerequisiteProperty()
{
var expectations = Expectations.GetBooleans();
foreach (var e in expectations)
{
var definition = new ContractBasedImportDefinition("ContractName", (string)null, Enumerable.Empty<KeyValuePair<string, Type>>(), ImportCardinality.ExactlyOne, false, e, CreationPolicy.Any);
Assert.AreEqual(e, definition.IsPrerequisite);
}
}
[TestMethod]
public void Constructor2_ShouldSetRequiredCreationPolicyToAny()
{
var expectations = Expectations.GetEnumValues<CreationPolicy>();
foreach (var e in expectations)
{
var definition = new ContractBasedImportDefinition("ContractName", (string)null, Enumerable.Empty<KeyValuePair<string, Type>>(), ImportCardinality.ExactlyOne, false, false, e);
Assert.AreEqual(e, definition.RequiredCreationPolicy);
}
}
[TestMethod]
public void Constraint_ShouldIncludeContractNameProperty()
{
var expectations = Expectations.GetContractNames();
foreach (var e in expectations)
{
var definition = new ContractBasedImportDefinition(e, (string)null, (IEnumerable<KeyValuePair<string, Type>>)null, ImportCardinality.ExactlyOne, true, false, CreationPolicy.Any);
ConstraintAssert.Contains(definition.Constraint, e);
}
}
[TestMethod]
public void Constraint_ShouldIncludeRequiredMetadataProperty()
{
var expectations = Expectations.GetRequiredMetadataWithEmpty();
foreach (var e in expectations)
{
var definition = new ContractBasedImportDefinition("ContractName", (string)null, e, ImportCardinality.ExactlyOne, true, false, CreationPolicy.Any);
ConstraintAssert.Contains(definition.Constraint, "ContractName", e);
}
}
[TestMethod]
public void Constraint_ShouldIncludeOverriddenContractNameProperty()
{
var expectations = Expectations.GetContractNames();
foreach (var e in expectations)
{
var definition = new DerivedContractBasedImportDefinition(e);
ConstraintAssert.Contains(definition.Constraint, e);
}
}
[TestMethod]
public void Constraint_ShouldIncludeOverriddenRequiredMetadata()
{
var expectations = Expectations.GetRequiredMetadataWithEmpty();
foreach (var e in expectations)
{
var definition = new DerivedContractBasedImportDefinition("ContractName", e);
ConstraintAssert.Contains(definition.Constraint, "ContractName", e);
}
}
[TestMethod]
public void IsConstraintSatisfiedBy_ContractNameMatch()
{
var export = CreateSimpleExport();
var import = CreateSimpleImport("ContractName", "ContractName", new string[0], new Type[0]);
Assert.IsTrue(import.IsConstraintSatisfiedBy(export));
}
[TestMethod]
public void IsConstraintSatisfiedBy_ContractNameMismatch()
{
var export = CreateSimpleExport();
var import = CreateSimpleImport("NonContractName", "ContractName", new string[0], new Type[0]);
Assert.IsFalse(import.IsConstraintSatisfiedBy(export));
}
[TestMethod]
public void IsConstraintSatisfiedBy_TypeIdentityMismatch()
{
var export = CreateSimpleExport();
var import = CreateSimpleImport("ContractName", "NonContractName", new string[0], new Type[0]);
Assert.IsFalse(import.IsConstraintSatisfiedBy(export));
}
[TestMethod]
public void IsConstraintSatisfiedBy_MetadataMatch()
{
var export = CreateSimpleExport();
var import = CreateSimpleImport("ContractName", "ContractName", new string[]{"Int", "String", "Type"}, new Type[]{typeof(int), typeof(string), typeof(Type)});
Assert.IsTrue(import.IsConstraintSatisfiedBy(export));
}
[TestMethod]
public void IsConstraintSatisfiedBy_MetadataKeyMismatch()
{
var export = CreateSimpleExport();
var import = CreateSimpleImport("ContractName", "ContractName", new string[] { "Int", "String1", "Type" }, new Type[] { typeof(int), typeof(string), typeof(Type) });
Assert.IsFalse(import.IsConstraintSatisfiedBy(export));
}
[TestMethod]
public void IsConstraintSatisfiedBy_MetadataTypeMatch()
{
var export = CreateSimpleExport();
var import = CreateSimpleImport("ContractName", "ContractName", new string[] { "Int", "String", "Type" }, new Type[] { typeof(int), typeof(string), typeof(int) });
Assert.IsFalse(import.IsConstraintSatisfiedBy(export));
}
private static ExportDefinition CreateSimpleExport()
{
var metadata = new Dictionary<string, object>();
metadata.Add("Int", 42);
metadata.Add("String", "42");
metadata.Add("Type", typeof(string));
metadata.Add(CompositionConstants.ExportTypeIdentityMetadataName, "ContractName");
return new ExportDefinition("ContractName", metadata);
}
private static ContractBasedImportDefinition CreateSimpleImport(string contractName, string typeIdentity, string[] metadataKeys, Type[] metadataTypes)
{
Dictionary<string, Type> requiredMetadata = new Dictionary<string, Type>();
Assert.AreEqual(metadataKeys.Length, metadataTypes.Length);
for(int i=0; i< metadataKeys.Length; i++)
{
requiredMetadata[metadataKeys[i]] = metadataTypes[i];
}
return new ContractBasedImportDefinition(contractName, typeIdentity, requiredMetadata, ImportCardinality.ZeroOrMore, false, false, CreationPolicy.Any);
}
private class NoOverridesContractBasedImportDefinition : ContractBasedImportDefinition
{
public NoOverridesContractBasedImportDefinition()
{
}
}
private class DerivedContractBasedImportDefinition : ContractBasedImportDefinition
{
private readonly string _contractName;
private readonly IEnumerable<KeyValuePair<string, Type>> _requiredMetadata;
public DerivedContractBasedImportDefinition(string contractName)
{
_contractName = contractName;
}
public DerivedContractBasedImportDefinition(string contractName, IEnumerable<KeyValuePair<string, Type>> requiredMetadata)
{
_contractName = contractName;
_requiredMetadata = requiredMetadata;
}
public override string ContractName
{
get { return _contractName; }
}
public override IEnumerable<KeyValuePair<string, Type>> RequiredMetadata
{
get { return _requiredMetadata; }
}
}
}
}
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