/// <summary>
/// Merge two EntityFramework instances together into the first framework
/// </summary>
/// <param name="framework1"></param>
/// <param name="framework2"></param>
internal static EntityFramework MergeWith(this EntityFramework framework1, EntityFramework framework2)
{
ObjectGraphMerger <EntityFramework> merger = new ObjectGraphMerger <EntityFramework>(framework1, framework2);
var edmx = merger.Merge();
// Clean up bindingParameters on actions and methods to be consistently the same
foreach (var schema in edmx.DataServices.Schemas)
{
foreach (var action in schema.Actions)
{
foreach (var param in action.Parameters.Where(x => x.Name == "bindingParameter" || x.Name == "this"))
{
param.Name = "bindingParameter";
param.Nullable = null;
}
}
foreach (var func in schema.Functions)
{
foreach (var param in func.Parameters.Where(x => x.Name == "bindingParameter" || x.Name == "this"))
{
param.Name = "bindingParameter";
param.Nullable = null;
}
}
}
return(edmx);
}
public void MergeSimpleTypes()
{
MergableClass[] itemsToMerge = new MergableClass[]
{
new MergableClass {
Name = "Ryan", IsAuthor = true, ExpectedToBeNull = "foobar"
},
new MergableClass {
Name = "Ryan", IsAuthor = false, ExpectedToBeNull = "baz"
}
};
var merger = new ObjectGraphMerger <MergableClass>(itemsToMerge);
var result = merger.Merge();
Assert.IsNotNull(result);
Assert.AreEqual("Ryan", result.Name);
Assert.AreEqual(true, result.IsAuthor);
Assert.IsNull(result.ExpectedToBeNull);
}
public void MergeCollection()
{
var itemsToMerge1 = new MergableClass[]
{
new MergableClass {
Name = "Ryan", IsAuthor = true, ExpectedToBeNull = "foobar"
},
new MergableClass {
Name = "Brad", IsAuthor = false, ExpectedToBeNull = "baz"
}
};
var itemsToMerge2 = new MergableClass[]
{
new MergableClass {
Name = "Ryan", IsAuthor = false, ExpectedToBeNull = "baz"
},
new MergableClass {
Name = "Daron", IsAuthor = false, ExpectedToBeNull = "baz"
}
};
var graphsToMerge = new MergableCollectionPropertyClass[]
{
new MergableCollectionPropertyClass {
Authors = itemsToMerge1
},
new MergableCollectionPropertyClass {
Authors = itemsToMerge2
}
};
var merger = new ObjectGraphMerger <MergableCollectionPropertyClass>(graphsToMerge);
var result = merger.Merge();
Assert.IsNotNull(result);
Assert.IsNotNull(result.Authors);
Assert.AreEqual(3, result.Authors.Length);
foreach (var author in result.Authors)
{
switch (author.Name)
{
case "Ryan":
Assert.IsTrue(author.IsAuthor);
break;
case "Daron":
Assert.IsFalse(author.IsAuthor);
break;
case "Brad":
Assert.IsFalse(author.IsAuthor);
break;
default:
Assert.Fail("Unexpected author name was returned");
break;
}
}
}
