public void ResolveDependencies_PromisesReturnsNull_ThrowsArgumentNullException()
{
var accessor = new SubAccessor();
var contract = new CompositionContract(typeof(int));
AssertExtensions.Throws <ArgumentNullException>("source", () => accessor.ResolveDependencies("Site", contract, true));
Assert.Same(contract, accessor.Contract);
}
public void ResolveDependencies_PromisesReturnsNullObjectInArray_ThrowsArgumentNullException()
{
var accessor = new SubAccessor {
Result = new ExportDescriptorPromise[] { null }
};
var contract = new CompositionContract(typeof(int));
AssertExtensions.Throws <ArgumentNullException>("target", () => accessor.ResolveDependencies("Site", contract, true));
Assert.Same(contract, accessor.Contract);
}
public void ResolveDependencies_PromisesReturnsEmpty_ReturnsEmpty()
{
var accessor = new SubAccessor {
Result = new ExportDescriptorPromise[0]
};
var contract = new CompositionContract(typeof(int));
Assert.Empty(accessor.ResolveDependencies("Site", contract, true));
Assert.Same(contract, accessor.Contract);
}
public void ResolveRequiredDependency_PromisesReturnsEmpty_ReturnsMissing()
{
var accessor = new SubAccessor {
Result = new ExportDescriptorPromise[0]
};
var contract = new CompositionContract(typeof(int));
CompositionDependency dependency = accessor.ResolveRequiredDependency("Site", contract, true);
Assert.Same(contract, accessor.Contract);
Assert.Same(contract, dependency.Contract);
Assert.Equal("Site", dependency.Site);
Assert.False(dependency.IsPrerequisite);
Assert.Null(dependency.Target);
}
public void ResolveRequiredDependency_PromisesReturnsOneTarget_ReturnsStatisfied()
{
var descriptor = ExportDescriptor.Create(Activator, new Dictionary <string, object>());
var target = new ExportDescriptorPromise(new CompositionContract(typeof(int)), "Origin", false, () => Enumerable.Empty <CompositionDependency>(), dependencies =>
{
return(ExportDescriptor.Create(Activator, new Dictionary <string, object>()));
});
var accessor = new SubAccessor {
Result = new ExportDescriptorPromise[] { target }
};
var contract = new CompositionContract(typeof(int));
CompositionDependency dependency = accessor.ResolveRequiredDependency("Site", contract, true);
Assert.Same(contract, accessor.Contract);
Assert.Same(contract, dependency.Contract);
Assert.Equal("Site", dependency.Site);
Assert.True(dependency.IsPrerequisite);
Assert.Same(target, dependency.Target);
}
