public void Can_change_cascade_delete_flag()
{
var entityType = new Model().AddEntityType("E");
var keyProp = entityType.AddProperty("Id", typeof(int));
var dependentProp = entityType.AddProperty("P", typeof(int));
var principalProp = entityType.AddProperty("U", typeof(int));
entityType.GetOrSetPrimaryKey(keyProp);
var principalKey = entityType.AddKey(principalProp);
var foreignKey
= new ForeignKey(new[] { dependentProp }, principalKey, entityType, entityType);
Assert.Null(foreignKey.DeleteBehavior);
Assert.Equal(DeleteBehavior.Restrict, ((IForeignKey)foreignKey).DeleteBehavior);
foreignKey.DeleteBehavior = DeleteBehavior.Cascade;
Assert.Equal(DeleteBehavior.Cascade, foreignKey.DeleteBehavior);
Assert.Equal(DeleteBehavior.Cascade, ((IForeignKey)foreignKey).DeleteBehavior);
foreignKey.DeleteBehavior = DeleteBehavior.Restrict;
Assert.Equal(DeleteBehavior.Restrict, foreignKey.DeleteBehavior);
Assert.Equal(DeleteBehavior.Restrict, ((IForeignKey)foreignKey).DeleteBehavior);
foreignKey.DeleteBehavior = null;
Assert.Null(foreignKey.DeleteBehavior);
Assert.Equal(DeleteBehavior.Restrict, ((IForeignKey)foreignKey).DeleteBehavior);
}
public void Validates_properties_from_same_entity()
{
var entityType1 = new Model().AddEntityType(typeof(Customer));
var entityType2 = new Model().AddEntityType(typeof(Order));
var property1 = entityType1.GetOrAddProperty(Customer.IdProperty);
var property2 = entityType2.GetOrAddProperty(Order.NameProperty);
Assert.Equal(CoreStrings.KeyPropertiesWrongEntity($"{{'{property1.Name}', '{property2.Name}'}}", entityType1.DisplayName()),
Assert.Throws <ArgumentException>(
() => entityType1.AddKey(new[] { property1, property2 })).Message);
}
public void Can_create_key_from_properties()
{
var entityType = new Model().AddEntityType(typeof(Customer));
var property1 = entityType.GetOrAddProperty(Customer.IdProperty);
var property2 = entityType.GetOrAddProperty(Customer.NameProperty);
property2.IsNullable = false;
var key = entityType.AddKey(new[] { property1, property2 }, ConfigurationSource.Convention);
Assert.True(new[] { property1, property2 }.SequenceEqual(key.Properties));
Assert.Equal(ConfigurationSource.Convention, key.GetConfigurationSource());
}
public void Setting_ClrType_throws_when_referenced()
{
var entityType = new Model().AddEntityType(typeof(object));
var principalProperty = entityType.AddProperty("Kake");
var key = entityType.AddKey(principalProperty);
var dependentProperty = entityType.AddProperty("Alaska");
entityType.AddForeignKey(dependentProperty, key, entityType);
Assert.Equal(CoreStrings.PropertyClrTypeCannotBeChangedWhenReferenced("Kake", "{'Alaska'}", "object"),
Assert.Throws<InvalidOperationException>(() =>
principalProperty.ClrType = typeof(int)).Message);
Assert.Equal(typeof(string), ((IProperty)principalProperty).ClrType);
}
public void Setting_ClrType_throws_when_referenced()
{
var entityType = new Model().AddEntityType(typeof(object));
var principalProperty = entityType.AddProperty("Kake");
var key = entityType.AddKey(principalProperty);
var dependentProperty = entityType.AddProperty("Alaska");
entityType.AddForeignKey(dependentProperty, key, entityType);
Assert.Equal(CoreStrings.PropertyClrTypeCannotBeChangedWhenReferenced("Kake", "{'Alaska'}", "object"),
Assert.Throws <InvalidOperationException>(() =>
principalProperty.ClrType = typeof(int)).Message);
Assert.Equal(typeof(string), ((IProperty)principalProperty).ClrType);
}
public void Can_create_foreign_key_with_non_pk_principal()
{
var entityType = new Model().AddEntityType("E");
var keyProp = entityType.AddProperty("Id", typeof(int));
var dependentProp = entityType.AddProperty("P", typeof(int));
var principalProp = entityType.AddProperty("U", typeof(int));
entityType.GetOrSetPrimaryKey(keyProp);
var principalKey = entityType.AddKey(principalProp);
var foreignKey = entityType.AddForeignKey(new[] { dependentProp }, principalKey, entityType);
foreignKey.IsUnique = false;
Assert.Same(entityType, foreignKey.PrincipalEntityType);
Assert.Same(principalProp, foreignKey.PrincipalKey.Properties.Single());
Assert.Same(dependentProp, foreignKey.Properties.Single());
Assert.False(foreignKey.IsUnique);
Assert.Same(principalKey, foreignKey.PrincipalKey);
}
public void Can_create_foreign_key_with_non_pk_principal()
{
var entityType = new Model().AddEntityType("E");
var keyProp = entityType.AddProperty("Id", typeof(int));
var dependentProp = entityType.AddProperty("P", typeof(int));
var principalProp = entityType.AddProperty("U", typeof(int));
entityType.GetOrSetPrimaryKey(keyProp);
var principalKey = entityType.AddKey(principalProp);
var foreignKey
= new ForeignKey(new[] { dependentProp }, principalKey, entityType, entityType)
{
IsUnique = false
};
Assert.Same(entityType, foreignKey.PrincipalEntityType);
Assert.Same(principalProp, foreignKey.PrincipalKey.Properties.Single());
Assert.Same(dependentProp, foreignKey.Properties.Single());
Assert.False(foreignKey.IsUnique.Value);
Assert.Same(principalKey, foreignKey.PrincipalKey);
}
public void Can_change_cascade_delete_flag()
{
var entityType = new Model().AddEntityType("E");
var keyProp = entityType.AddProperty("Id", typeof(int));
var dependentProp = entityType.AddProperty("P", typeof(int));
var principalProp = entityType.AddProperty("U", typeof(int));
entityType.GetOrSetPrimaryKey(keyProp);
var principalKey = entityType.AddKey(principalProp);
var foreignKey
= new ForeignKey(new[] { dependentProp }, principalKey, entityType, entityType);
Assert.Null(foreignKey.DeleteBehavior);
Assert.Equal(DeleteBehavior.Restrict, ((IForeignKey)foreignKey).DeleteBehavior);
foreignKey.DeleteBehavior = DeleteBehavior.Cascade;
Assert.Equal(DeleteBehavior.Cascade, foreignKey.DeleteBehavior);
Assert.Equal(DeleteBehavior.Cascade, ((IForeignKey)foreignKey).DeleteBehavior);
foreignKey.DeleteBehavior = DeleteBehavior.Restrict;
Assert.Equal(DeleteBehavior.Restrict, foreignKey.DeleteBehavior);
Assert.Equal(DeleteBehavior.Restrict, ((IForeignKey)foreignKey).DeleteBehavior);
foreignKey.DeleteBehavior = null;
Assert.Null(foreignKey.DeleteBehavior);
Assert.Equal(DeleteBehavior.Restrict, ((IForeignKey)foreignKey).DeleteBehavior);
}