private EntityType GetDuckType()
{
var entityType = new EntityFrameworkCore.Metadata.Internal.Model().AddEntityType(typeof(Duck));
var id = entityType.AddProperty(typeof(Duck).GetTypeInfo().GetDeclaredProperty(nameof(Duck.Id)));
entityType.AddProperty(typeof(Duck).GetTypeInfo().GetDeclaredProperty(nameof(Duck.Name)));
entityType.AddProperty(typeof(Duck).GetTypeInfo().GetDeclaredProperty(nameof(Duck.Quacks)));
entityType.AddProperty(typeof(Duck).GetTypeInfo().GetDeclaredProperty(nameof(Duck.Computed)));
entityType.AddProperty(typeof(Duck).GetTypeInfo().GetDeclaredProperty(nameof(Duck.ConcurrencyToken)));
entityType.SetPrimaryKey(id);
return(entityType);
}
private static IModel BuildModel(bool generateKeyValues, bool computeNonKeyValue)
{
var model = new EntityFrameworkCore.Metadata.Internal.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 EntityFrameworkCore.Metadata.Internal.Model();
var entityType = model.AddEntityType(typeof(object));
var optionsBuilder = new DbContextOptionsBuilder()
.UseModel(model);
optionsBuilder.UseInMemoryDatabase();
var contextServices = new DbContext(optionsBuilder.Options).GetInfrastructure();
var stateManager = contextServices.GetRequiredService <IStateManager>();
var key = entityType.AddProperty("Id", typeof(int));
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.TestProvider());
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.TestProvider());
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.TestProvider());
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.TestProvider()),
new ModificationCommand("A", "dbo", new ParameterNameGenerator(), p => p.TestProvider())));
Assert.True(0 > mCC.Compare(null, new ModificationCommand("A", null, new ParameterNameGenerator(), p => p.TestProvider())));
Assert.True(0 < mCC.Compare(new ModificationCommand("A", null, new ParameterNameGenerator(), p => p.TestProvider()), null));
Assert.True(0 > mCC.Compare(
new ModificationCommand("A", null, new ParameterNameGenerator(), p => p.TestProvider()),
new ModificationCommand("A", "dbo", new ParameterNameGenerator(), p => p.TestProvider())));
Assert.True(0 < mCC.Compare(
new ModificationCommand("A", "dbo", new ParameterNameGenerator(), p => p.TestProvider()),
new ModificationCommand("A", null, new ParameterNameGenerator(), p => p.TestProvider())));
Assert.True(0 > mCC.Compare(
new ModificationCommand("A", "dbo", new ParameterNameGenerator(), p => p.TestProvider()),
new ModificationCommand("A", "foo", new ParameterNameGenerator(), p => p.TestProvider())));
Assert.True(0 < mCC.Compare(
new ModificationCommand("A", "foo", new ParameterNameGenerator(), p => p.TestProvider()),
new ModificationCommand("A", "dbo", new ParameterNameGenerator(), p => p.TestProvider())));
Assert.True(0 > mCC.Compare(
new ModificationCommand("A", null, new ParameterNameGenerator(), p => p.TestProvider()),
new ModificationCommand("B", null, new ParameterNameGenerator(), p => p.TestProvider())));
Assert.True(0 < mCC.Compare(
new ModificationCommand("B", null, new ParameterNameGenerator(), p => p.TestProvider()),
new ModificationCommand("A", null, new ParameterNameGenerator(), p => p.TestProvider())));
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));
}
