public async Task BatchCommands_creates_batches_lazily()
{
var configuration = CreateConfiguration();
var model = CreateSimpleFKModel();
var fakeEntity = new FakeEntity {
Id = 42, Value = "Test"
};
var stateEntry = new MixedStateEntry(
configuration,
model.GetEntityType(typeof(FakeEntity)), fakeEntity);
await stateEntry.SetEntityStateAsync(EntityState.Added);
var relatedStateEntry = new MixedStateEntry(
configuration,
model.GetEntityType(typeof(RelatedFakeEntity)), new RelatedFakeEntity {
Id = 42
});
await relatedStateEntry.SetEntityStateAsync(EntityState.Added);
var modificationCommandBatchFactoryMock = new Mock <ModificationCommandBatchFactory>();
var commandBatches = CreateCommandBatchPreparer(modificationCommandBatchFactoryMock.Object).BatchCommands(new[] { relatedStateEntry, stateEntry });
var commandBatchesEnumerator = commandBatches.GetEnumerator();
commandBatchesEnumerator.MoveNext();
modificationCommandBatchFactoryMock.Verify(mcb => mcb.Create(), Times.Once);
commandBatchesEnumerator.MoveNext();
modificationCommandBatchFactoryMock.Verify(mcb => mcb.Create(), Times.Exactly(2));
}
public async Task BatchCommands_sorts_entities_when_reparenting()
{
var configuration = CreateConfiguration();
var model = CreateCyclicFKModel();
var previousParent = new MixedStateEntry(
configuration,
model.GetEntityType(typeof(FakeEntity)), new FakeEntity {
Id = 42, Value = "Test"
});
await previousParent.SetEntityStateAsync(EntityState.Deleted);
var newParent = new MixedStateEntry(
configuration,
model.GetEntityType(typeof(FakeEntity)), new FakeEntity {
Id = 3, Value = "Test"
});
await newParent.SetEntityStateAsync(EntityState.Added);
var relatedStateEntry = new MixedStateEntry(
configuration,
model.GetEntityType(typeof(RelatedFakeEntity)), new RelatedFakeEntity {
Id = 1, RelatedId = 3
});
await relatedStateEntry.SetEntityStateAsync(EntityState.Modified);
relatedStateEntry.OriginalValues[relatedStateEntry.EntityType.GetProperty("RelatedId")] = 42;
relatedStateEntry.SetPropertyModified(relatedStateEntry.EntityType.GetKey().Properties.Single(), isModified: false);
var commandBatches = CreateCommandBatchPreparer().BatchCommands(new[] { relatedStateEntry, previousParent, newParent }).ToArray();
Assert.Equal(
new[] { newParent, relatedStateEntry, previousParent },
commandBatches.Select(cb => cb.ModificationCommands.Single()).Select(mc => mc.StateEntries.Single()));
}
public async Task BatchCommands_sorts_unrelated_entities()
{
var configuration = CreateConfiguration();
var model = CreateSimpleFKModel();
var firstStateEntry = new MixedStateEntry(
configuration,
model.GetEntityType(typeof(FakeEntity)), new FakeEntity {
Id = 42, Value = "Test"
});
await firstStateEntry.SetEntityStateAsync(EntityState.Added);
var secondStateEntry = new MixedStateEntry(
configuration,
model.GetEntityType(typeof(RelatedFakeEntity)), new RelatedFakeEntity {
Id = 1
});
await secondStateEntry.SetEntityStateAsync(EntityState.Added);
var commandBatches = CreateCommandBatchPreparer().BatchCommands(new[] { secondStateEntry, firstStateEntry }).ToArray();
Assert.Equal(
new[] { firstStateEntry, secondStateEntry },
commandBatches.Select(cb => cb.ModificationCommands.Single()).Select(mc => mc.StateEntries.Single()));
}
public async Task BatchCommands_throws_on_modified_principal_key()
{
var configuration = CreateConfiguration();
var model = CreateSimpleFKModel();
var stateEntry = new MixedStateEntry(
configuration,
model.GetEntityType(typeof(FakeEntity)), new FakeEntity {
Id = 42, Value = "Test"
});
await stateEntry.SetEntityStateAsync(EntityState.Modified);
stateEntry.SetPropertyModified(stateEntry.EntityType.GetKey().Properties.Single(), isModified: true);
var relatedStateEntry = new MixedStateEntry(
configuration,
model.GetEntityType(typeof(RelatedFakeEntity)), new RelatedFakeEntity {
Id = 42
});
await relatedStateEntry.SetEntityStateAsync(EntityState.Modified);
Assert.Equal(
Strings.FormatPrincipalKeyModified(),
Assert.Throws <InvalidOperationException>(() => CreateCommandBatchPreparer().BatchCommands(new[] { relatedStateEntry, stateEntry })).Message);
}
public async Task BatchCommands_creates_valid_batch_for_deleted_entities()
{
var stateEntry = new MixedStateEntry(
CreateConfiguration(),
CreateSimpleFKModel().GetEntityType(typeof(FakeEntity)), new FakeEntity {
Id = 42, Value = "Test"
});
await stateEntry.SetEntityStateAsync(EntityState.Deleted);
var commandBatches = CreateCommandBatchPreparer().BatchCommands(new[] { stateEntry }).ToArray();
Assert.Equal(1, commandBatches.Count());
Assert.Equal(1, commandBatches.First().ModificationCommands.Count());
var command = commandBatches.First().ModificationCommands.Single();
Assert.Equal(EntityState.Deleted, command.EntityState);
Assert.Equal(1, command.ColumnModifications.Count);
var columnMod = command.ColumnModifications[0];
Assert.Equal("Id", columnMod.ColumnName);
Assert.Same(stateEntry, columnMod.StateEntry);
Assert.Equal("Id", columnMod.Property.Name);
Assert.True(columnMod.IsCondition);
Assert.True(columnMod.IsKey);
Assert.False(columnMod.IsRead);
Assert.False(columnMod.IsWrite);
}
public void Compare_returns_0_only_for_commands_that_are_equal()
{
var mCC = new ModificationCommandComparer();
var configuration = new DbContext(new DbContextOptions().UseInMemoryStore(persist: false)).Configuration;
var entityType1 = new EntityType(typeof(object));
var key1 = entityType1.GetOrAddProperty("Id", typeof(int), shadowProperty: true);
entityType1.GetOrSetPrimaryKey(key1);
var stateEntry1 = new MixedStateEntry(configuration, entityType1, new object());
stateEntry1[key1] = 0;
stateEntry1.EntityState = EntityState.Added;
var modificationCommandAdded = new ModificationCommand(new SchemaQualifiedName("A"), new ParameterNameGenerator());
modificationCommandAdded.AddStateEntry(stateEntry1);
var entityType2 = new EntityType(typeof(object));
var key2 = entityType2.GetOrAddProperty("Id", typeof(int), shadowProperty: true);
entityType2.GetOrSetPrimaryKey(key2);
var stateEntry2 = new MixedStateEntry(configuration, entityType2, new object());
stateEntry2[key2] = 0;
stateEntry2.EntityState = EntityState.Modified;
var modificationCommandModified = new ModificationCommand(new SchemaQualifiedName("A"), new ParameterNameGenerator());
modificationCommandModified.AddStateEntry(stateEntry2);
var entityType3 = new EntityType(typeof(object));
var key3 = entityType3.GetOrAddProperty("Id", typeof(int), shadowProperty: true);
entityType3.GetOrSetPrimaryKey(key3);
var stateEntry3 = new MixedStateEntry(configuration, entityType3, new object());
stateEntry3[key3] = 0;
stateEntry3.EntityState = EntityState.Deleted;
var modificationCommandDeleted = new ModificationCommand(new SchemaQualifiedName("A"), new ParameterNameGenerator());
modificationCommandDeleted.AddStateEntry(stateEntry3);
Assert.True(0 == mCC.Compare(modificationCommandAdded, modificationCommandAdded));
Assert.True(0 == mCC.Compare(null, null));
Assert.True(0 == mCC.Compare(
new ModificationCommand(new SchemaQualifiedName("A", "dbo"), new ParameterNameGenerator()),
new ModificationCommand(new SchemaQualifiedName("A", "dbo"), new ParameterNameGenerator())));
Assert.True(0 > mCC.Compare(null, new ModificationCommand(new SchemaQualifiedName("A"), new ParameterNameGenerator())));
Assert.True(0 < mCC.Compare(new ModificationCommand(new SchemaQualifiedName("A"), new ParameterNameGenerator()), null));
Assert.True(0 > mCC.Compare(
new ModificationCommand(new SchemaQualifiedName("A"), new ParameterNameGenerator()),
new ModificationCommand(new SchemaQualifiedName("A", "dbo"), new ParameterNameGenerator())));
Assert.True(0 < mCC.Compare(
new ModificationCommand(new SchemaQualifiedName("A", "dbo"), new ParameterNameGenerator()),
new ModificationCommand(new SchemaQualifiedName("A"), new ParameterNameGenerator())));
Assert.True(0 > mCC.Compare(
new ModificationCommand(new SchemaQualifiedName("A", "dbo"), new ParameterNameGenerator()),
new ModificationCommand(new SchemaQualifiedName("A", "foo"), new ParameterNameGenerator())));
Assert.True(0 < mCC.Compare(
new ModificationCommand(new SchemaQualifiedName("A", "foo"), new ParameterNameGenerator()),
new ModificationCommand(new SchemaQualifiedName("A", "dbo"), new ParameterNameGenerator())));
Assert.True(0 > mCC.Compare(
new ModificationCommand(new SchemaQualifiedName("A"), new ParameterNameGenerator()),
new ModificationCommand(new SchemaQualifiedName("B"), new ParameterNameGenerator())));
Assert.True(0 < mCC.Compare(
new ModificationCommand(new SchemaQualifiedName("B"), new ParameterNameGenerator()),
new ModificationCommand(new SchemaQualifiedName("A"), new ParameterNameGenerator())));
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));
}
