public void Model_differ_breaks_foreign_key_cycles()
{
var model = new Entity.Metadata.Model();
var firstType = model.AddEntityType("First");
var firstKey = firstType.SetPrimaryKey(firstType.AddProperty("ID", typeof(int), true));
var firstFk = firstType.AddProperty("FK", typeof(int), true);
var secondType = model.AddEntityType("Second");
var secondKey = secondType.SetPrimaryKey(secondType.AddProperty("ID", typeof(int), true));
var secondFk = secondType.AddProperty("FK", typeof(int), true);
firstType.AddForeignKey(firstFk, secondKey);
secondType.AddForeignKey(secondFk, firstKey);
var modelDiffer = new ModelDiffer(new RelationalTypeMapper());
var result = modelDiffer.GetDifferences(null, model);
Assert.Equal(3, result.Count);
var firstOperation = result[0] as CreateTableOperation;
var secondOperation = result[1] as CreateTableOperation;
var thirdOperation = result[2] as AddForeignKeyOperation;
Assert.NotNull(firstOperation);
Assert.NotNull(secondOperation);
Assert.NotNull(thirdOperation);
Assert.Equal(0, firstOperation.ForeignKeys.Count);
Assert.Equal(1, secondOperation.ForeignKeys.Count);
Assert.Equal(firstOperation.Name, thirdOperation.Table);
}
public void Can_set_model()
{
var sequence = new Sequence("Foo");
var model = new Entity.Metadata.Model();
sequence.Model = model;
Assert.Same(model, sequence.Model);
}
protected Entity.Metadata.Model CreateModel()
{
var model = new Entity.Metadata.Model();
var modelBuilder = new BasicModelBuilder(model);
// TODO: Uncomment when complex types are supported
//builder.ComplexType<Location>();
modelBuilder.Entity <Customer>(ps =>
{
ps.Property(c => c.Name);
ps.Key(c => c.Id);
ps.ForRelational().Table("Customers");
});
return(model);
}
private static IModel BuildModel(bool generateKeyValues, bool computeNonKeyValue)
{
var model = new Entity.Metadata.Model();
var entityType = model.AddEntityType(typeof(T1));
var key = entityType.GetOrAddProperty("Id", typeof(int));
key.ValueGenerated = generateKeyValues ? ValueGenerated.OnAdd : ValueGenerated.Never;
key.Relational().Column = "Col1";
entityType.GetOrSetPrimaryKey(key);
var nonKey = entityType.GetOrAddProperty("Name", typeof(string));
nonKey.IsConcurrencyToken = computeNonKeyValue;
nonKey.Relational().Column = "Col2";
nonKey.ValueGenerated = computeNonKeyValue ? ValueGenerated.OnAddOrUpdate : ValueGenerated.Never;
return(model);
}
private static IModel BuildModel(bool generateKeyValues, bool computeNonKeyValue)
{
var model = new Entity.Metadata.Model();
var entityType = model.AddEntityType(typeof(T1));
var key = entityType.AddProperty("Id", typeof(int));
key.IsShadowProperty = false;
key.ValueGenerated = generateKeyValues ? ValueGenerated.OnAdd : ValueGenerated.Never;
key.Relational().ColumnName = "Col1";
entityType.GetOrSetPrimaryKey(key);
var nonKey = entityType.AddProperty("Name", typeof(string));
nonKey.IsShadowProperty = false;
nonKey.Relational().ColumnName = "Col2";
nonKey.ValueGenerated = computeNonKeyValue ? ValueGenerated.OnAddOrUpdate : ValueGenerated.Never;
return model;
}
public void Compare_returns_0_only_for_commands_that_are_equal()
{
var model = new Entity.Metadata.Model();
var entityType = model.AddEntityType(typeof(object));
var optionsBuilder = new DbContextOptionsBuilder()
.UseModel(model);
optionsBuilder.UseInMemoryStore(persist: false);
var contextServices = ((IAccessor<IServiceProvider>)new DbContext(optionsBuilder.Options)).Service;
var stateManager = contextServices.GetRequiredService<IStateManager>();
var key = entityType.GetOrAddProperty("Id", typeof(int), shadowProperty: true);
entityType.GetOrSetPrimaryKey(key);
var entry1 = stateManager.GetOrCreateEntry(new object());
entry1[key] = 1;
entry1.SetEntityState(EntityState.Added);
var modificationCommandAdded = new ModificationCommand("A", null, new ParameterNameGenerator(), p => p.Relational(), new BoxedValueReaderSource());
modificationCommandAdded.AddEntry(entry1);
var entry2 = stateManager.GetOrCreateEntry(new object());
entry2[key] = 2;
entry2.SetEntityState(EntityState.Modified);
var modificationCommandModified = new ModificationCommand("A", null, new ParameterNameGenerator(), p => p.Relational(), new BoxedValueReaderSource());
modificationCommandModified.AddEntry(entry2);
var entry3 = stateManager.GetOrCreateEntry(new object());
entry3[key] = 3;
entry3.SetEntityState(EntityState.Deleted);
var modificationCommandDeleted = new ModificationCommand("A", null, new ParameterNameGenerator(), p => p.Relational(), new BoxedValueReaderSource());
modificationCommandDeleted.AddEntry(entry3);
var mCC = new ModificationCommandComparer();
Assert.True(0 == mCC.Compare(modificationCommandAdded, modificationCommandAdded));
Assert.True(0 == mCC.Compare(null, null));
Assert.True(0 == mCC.Compare(
new ModificationCommand("A", "dbo", new ParameterNameGenerator(), p => p.Relational(), new BoxedValueReaderSource()),
new ModificationCommand("A", "dbo", new ParameterNameGenerator(), p => p.Relational(), new BoxedValueReaderSource())));
Assert.True(0 > mCC.Compare(null, new ModificationCommand("A", null, new ParameterNameGenerator(), p => p.Relational(), new BoxedValueReaderSource())));
Assert.True(0 < mCC.Compare(new ModificationCommand("A", null, new ParameterNameGenerator(), p => p.Relational(), new BoxedValueReaderSource()), null));
Assert.True(0 > mCC.Compare(
new ModificationCommand("A", null, new ParameterNameGenerator(), p => p.Relational(), new BoxedValueReaderSource()),
new ModificationCommand("A", "dbo", new ParameterNameGenerator(), p => p.Relational(), new BoxedValueReaderSource())));
Assert.True(0 < mCC.Compare(
new ModificationCommand("A", "dbo", new ParameterNameGenerator(), p => p.Relational(), new BoxedValueReaderSource()),
new ModificationCommand("A", null, new ParameterNameGenerator(), p => p.Relational(), new BoxedValueReaderSource())));
Assert.True(0 > mCC.Compare(
new ModificationCommand("A", "dbo", new ParameterNameGenerator(), p => p.Relational(), new BoxedValueReaderSource()),
new ModificationCommand("A", "foo", new ParameterNameGenerator(), p => p.Relational(), new BoxedValueReaderSource())));
Assert.True(0 < mCC.Compare(
new ModificationCommand("A", "foo", new ParameterNameGenerator(), p => p.Relational(), new BoxedValueReaderSource()),
new ModificationCommand("A", "dbo", new ParameterNameGenerator(), p => p.Relational(), new BoxedValueReaderSource())));
Assert.True(0 > mCC.Compare(
new ModificationCommand("A", null, new ParameterNameGenerator(), p => p.Relational(), new BoxedValueReaderSource()),
new ModificationCommand("B", null, new ParameterNameGenerator(), p => p.Relational(), new BoxedValueReaderSource())));
Assert.True(0 < mCC.Compare(
new ModificationCommand("B", null, new ParameterNameGenerator(), p => p.Relational(), new BoxedValueReaderSource()),
new ModificationCommand("A", null, new ParameterNameGenerator(), p => p.Relational(), new BoxedValueReaderSource())));
Assert.True(0 > mCC.Compare(modificationCommandModified, modificationCommandAdded));
Assert.True(0 < mCC.Compare(modificationCommandAdded, modificationCommandModified));
Assert.True(0 > mCC.Compare(modificationCommandDeleted, modificationCommandAdded));
Assert.True(0 < mCC.Compare(modificationCommandAdded, modificationCommandDeleted));
Assert.True(0 > mCC.Compare(modificationCommandDeleted, modificationCommandModified));
Assert.True(0 < mCC.Compare(modificationCommandModified, modificationCommandDeleted));
}
private static IModel CreateCyclicFKModel()
{
var model = new Entity.Metadata.Model();
var modelBuilder = new BasicModelBuilder(model);
modelBuilder.Entity<FakeEntity>(b =>
{
b.Key(c => c.Id);
b.Property(c => c.Value);
});
modelBuilder.Entity<RelatedFakeEntity>(b =>
{
b.Key(c => c.Id);
b.ForeignKey<FakeEntity>(c => c.RelatedId);
});
modelBuilder
.Entity<FakeEntity>()
.ForeignKey<RelatedFakeEntity>(c => c.RelatedId);
return model;
}
//TODO: investigate doing this as a builder pattern
public virtual IModel ConstructCodeGenModel(
[NotNull] IModel relationalModel, [NotNull] MetadataModelNameMapper nameMapper)
{
Check.NotNull(relationalModel, nameof(relationalModel));
Check.NotNull(nameMapper, nameof(nameMapper));
var codeGenModel = new Entity.Metadata.Model();
foreach (var relationalEntityType in relationalModel.EntityTypes.Cast<EntityType>())
{
var codeGenEntityType = codeGenModel
.AddEntityType(nameMapper.EntityTypeToClassNameMap[relationalEntityType]);
_relationalToCodeGenEntityTypeMap[relationalEntityType] = codeGenEntityType;
codeGenEntityType.Relational().TableName = relationalEntityType.Relational().TableName;
codeGenEntityType.Relational().Schema = relationalEntityType.Relational().Schema;
var errorMessage = relationalEntityType[AnnotationNameEntityTypeError];
if (errorMessage != null)
{
codeGenEntityType.AddAnnotation(AnnotationNameEntityTypeError,
Strings.UnableToGenerateEntityType(codeGenEntityType.Name, errorMessage));
}
foreach (var relationalProperty in relationalEntityType.Properties)
{
var codeGenProperty = codeGenEntityType.AddProperty(
nameMapper.PropertyToPropertyNameMap[relationalProperty],
((IProperty)relationalProperty).ClrType);
_relationalToCodeGenPropertyMap[relationalProperty] = codeGenProperty;
CopyPropertyFacets(relationalProperty, codeGenProperty);
}
var primaryKey = relationalEntityType.FindPrimaryKey();
if (primaryKey != null)
{
codeGenEntityType.SetPrimaryKey(
primaryKey.Properties
.Select(p => _relationalToCodeGenPropertyMap[p])
.ToList());
}
} // end of loop over all relational EntityTypes
AddForeignKeysToCodeGenModel(relationalModel, codeGenModel);
return codeGenModel;
}
private static IModel BuildModel(bool generateKeyValues, bool computeNonKeyValue)
{
var model = new Entity.Metadata.Model();
var entityType = model.AddEntityType(typeof(T1));
var key = entityType.GetOrAddProperty("Id", typeof(int));
key.StoreGeneratedPattern = generateKeyValues ? StoreGeneratedPattern.Identity : StoreGeneratedPattern.None;
key.GenerateValueOnAdd = generateKeyValues;
key.Relational().Column = "Col1";
entityType.GetOrSetPrimaryKey(key);
var nonKey = entityType.GetOrAddProperty("Name", typeof(string));
nonKey.Relational().Column = "Col2";
nonKey.StoreGeneratedPattern = computeNonKeyValue ? StoreGeneratedPattern.Computed : StoreGeneratedPattern.None;
return model;
}
