public void SelectConstructorWith2Parameters()
{
ConstructorInfo ctor = typeof(ClassWithConstructorParameters).GetMatchingConstructor(Types(typeof(int), typeof(string)));
var policy = new SpecifiedConstructorSelectorPolicy(ctor,
new InjectionParameterValue[]
{
new InjectionParameter<int>(37),
new InjectionParameter<string>("abc")
});
var builderContext = new BuilderContextMock(new NamedTypeBuildKey(typeof(ClassWithConstructorParameters)));
SelectedConstructor selectedCtor = policy.SelectConstructor(builderContext, builderContext.PersistentPolicies);
Assert.Equal(ctor, selectedCtor.Constructor);
Assert.Equal(2, selectedCtor.GetParameterResolvers().Length);
var resolvers = selectedCtor.GetParameterResolvers();
Assert.Equal(2, resolvers.Length);
foreach (var resolverPolicy in resolvers)
{
AssertPolicyIsCorrect(resolverPolicy);
}
}
public void CanSelectConcreteConstructorGivenGenericConstructor()
{
ConstructorInfo ctor = typeof(LoggingCommand<>).GetTypeInfo().DeclaredConstructors.ElementAt(0);
var policy = new SpecifiedConstructorSelectorPolicy(
ctor,
new InjectionParameterValue[]
{
new ResolvedParameter(typeof(ICommand<>), "concrete")
});
var ctx = new BuilderContextMock
{
BuildKey = new NamedTypeBuildKey(typeof(LoggingCommand<User>))
};
SelectedConstructor result = policy.SelectConstructor(ctx, new PolicyList());
ConstructorInfo expectedCtor = typeof(LoggingCommand<User>).GetMatchingConstructor(Types(typeof(ICommand<User>)));
Assert.Same(expectedCtor, result.Constructor);
}
public void CanSelectConcreteConstructorGivenGenericConstructor()
{
ConstructorInfo ctor = typeof(LoggingCommand <>).GetConstructors()[0];
SpecifiedConstructorSelectorPolicy policy = new SpecifiedConstructorSelectorPolicy(
ctor,
new InjectionParameterValue[]
{
new ResolvedParameter(typeof(ICommand <>), "concrete")
});
BuilderContextMock ctx = new BuilderContextMock();
ctx.BuildKey = typeof(LoggingCommand <User>);
SelectedConstructor result = policy.SelectConstructor(ctx);
ConstructorInfo expectedCtor = typeof(LoggingCommand <User>).GetConstructor(Types(typeof(ICommand <User>)));
Assert.AreSame(expectedCtor, result.Constructor);
}
public void CanSelectConcreteConstructorGivenGenericConstructor()
{
ConstructorInfo ctor = typeof(LoggingCommand <>).GetTypeInfo().DeclaredConstructors.ElementAt(0);
var policy = new SpecifiedConstructorSelectorPolicy(
ctor,
new InjectionParameterValue[]
{
new ResolvedParameter(typeof(ICommand <>), "concrete")
});
var ctx = new BuilderContextMock
{
BuildKey = new NamedTypeBuildKey(typeof(LoggingCommand <User>))
};
SelectedConstructor result = policy.SelectConstructor(ctx, new PolicyList());
ConstructorInfo expectedCtor = typeof(LoggingCommand <User>).GetMatchingConstructor(Types(typeof(ICommand <User>)));
Assert.Same(expectedCtor, result.Constructor);
}
public override void AddPolicies(Type serviceType, Type implementationType, string name, IPolicyList policies)
{
Guard.AssertNotNull(implementationType, "implementationType");
Guard.AssertNotNull(policies, "policies");
ConstructorInfo ctor;
InjectionParameterValue[] parameterValues;
if (this.parameters.Count == 0)
{
ctor = implementationType.GetConstructor(Type.EmptyTypes);
parameterValues = new InjectionParameterValue[0];
}
else
{
NamedTypeBuildKey key = new NamedTypeBuildKey(implementationType, name);
IParameterMatchingConventionsPolicy conventions = policies.Get <IParameterMatchingConventionsPolicy>(key);
if (conventions == null)
{
conventions = new DefaultMatchingConventionsPolicy();
policies.SetDefault <IParameterMatchingConventionsPolicy>(conventions);
}
ctor = FindConstructor(implementationType, this.parameters, conventions);
parameterValues = GetParameterValues(ctor, this.parameters, conventions);
}
IConstructorSelectorPolicy policy = new SpecifiedConstructorSelectorPolicy(ctor, parameterValues);
NamedTypeBuildKey buildKey = new NamedTypeBuildKey(implementationType, name);
policies.Set <IConstructorSelectorPolicy>(policy, buildKey);
}
public void SelectConstructorWithNoParameters()
{
ConstructorInfo ctor = typeof(ClassWithSimpleConstructor).GetMatchingConstructor(new Type[0]);
var policy = new SpecifiedConstructorSelectorPolicy(ctor, new InjectionParameterValue[0]);
var builderContext = new BuilderContextMock(new NamedTypeBuildKey(typeof(ClassWithSimpleConstructor)));
SelectedConstructor selectedCtor = policy.SelectConstructor(builderContext, new PolicyList());
Assert.Equal(ctor, selectedCtor.Constructor);
Assert.Equal(0, selectedCtor.GetParameterResolvers().Length);
}
