public void Constructor_IdExpressionSet()
{
IdSameAsParentDataSource<TestModel, System.Guid> source = new IdSameAsParentDataSource<TestModel, System.Guid>((a) => a.Id);
TestModel model = new TestModel() { Id = System.Guid.NewGuid() };
Assert.AreEqual(model.Id, source.IdExpression(model), @"
The expression that is used to find the id property of the parent was not set correctly in the data source object.
");
}
public void FindParent_IfNotTypeGenerationContextNode_ReturnNull()
{
IdSameAsParentDataSource<TestModel, System.Guid> source =
new IdSameAsParentDataSource<TestModel, System.Guid>(a => a.Id);
DummyGenerationContextNode node = new DummyGenerationContextNode();
Assert.IsNull(source.FindParent(node), @"
FindParent should return null if the given node is not a TypeGenerationContextNode and it's Parent is null.
");
}
public void FindParent_IfIsTypeGeneratioNContextNode_AndParentNotType_ReturnNull()
{
IdSameAsParentDataSource<TestModel, System.Guid> source =
new IdSameAsParentDataSource<TestModel, System.Guid>(a => a.Id);
TypeGenerationContextNode node = new TypeGenerationContextNode(null, "Test Object as String");
Assert.IsNull(source.FindParent(node), @"
FindParent should return null if the given node is a TypeGenerationContextNode but it's Target is not of the given type.
");
}
public void FindParent_IfIsTypeGenerationContextNode_AndParentIsType_ReturnParent()
{
TestModel target = new TestModel();
IdSameAsParentDataSource<TestModel, System.Guid> source =
new IdSameAsParentDataSource<TestModel, System.Guid>(a => a.Id);
TypeGenerationContextNode node = new TypeGenerationContextNode(null, target);
Assert.AreEqual(target, source.FindParent(node), @"
FindParent should return it's Target if the given node is a TypeGenerationContextNode and it's Target is of the
specified type.
");
}
public void FindParent_NestedTest()
{
TestModel target = new TestModel();
IdSameAsParentDataSource<TestModel, System.Guid> source =
new IdSameAsParentDataSource<TestModel, System.Guid>(a => a.Id);
DummyGenerationContextNode root = new DummyGenerationContextNode();
TypeGenerationContextNode targetNode = new TypeGenerationContextNode(root, target);
DummyGenerationContextNode leafNode = new DummyGenerationContextNode(GenerationTargetTypes.Object, targetNode);
Assert.AreEqual(target, source.FindParent(leafNode), @"
Target should have been returned. A TypeGenerationContextNode with a Target of type TestModel was the parent of the node passed to FindParent.
");
}
public void Next()
{
TestModel target = new TestModel() { Id = System.Guid.NewGuid() };
IdSameAsParentDataSource<TestModel, System.Guid> source =
new IdSameAsParentDataSource<TestModel, System.Guid>(a => a.Id);
TypeGenerationContextNode node = new TypeGenerationContextNode(null, target);
Mock<IGenerationContext> contextMock = new Mock<IGenerationContext>();
contextMock.Setup(a => a.Node).Returns(node);
Assert.AreEqual(target.Id, source.Next(contextMock.Object), @"
The result should be the value of the Id property of our target.
");
}
public void FindParent_NodeIsNull()
{
IdSameAsParentDataSource<TestModel, System.Guid> source =
new IdSameAsParentDataSource<TestModel, System.Guid>(a => a.Id);
Assert.IsNull(source.FindParent(null), @"
The result from FindParent given a null node, should always return null.
");
}
public void Next_NullParent_ReturnDefault()
{
IdSameAsParentDataSource<TestModel, System.Guid> source =
new IdSameAsParentDataSource<TestModel, System.Guid>(a => a.Id);
DummyGenerationContextNode node = new DummyGenerationContextNode();
Mock<IGenerationContext> contextMock = new Mock<IGenerationContext>();
contextMock.Setup(a => a.Node).Returns(node);
Assert.AreEqual(default(System.Guid), source.Next(contextMock.Object), @"
The result of Next should be {0} because the parent was not found.
", default(System.Guid));
}
