refactor: cleanup old code

Author: BuonOmo

test/cases/adapter_test.rb

@@ -64,83 +64,6 @@ def test_remove_index_when_name_and_wrong_column_name_specified_positional_argum
 
   end
 
-  class AdapterForeignKeyTest < ActiveRecord::TestCase
-    self.use_transactional_tests = false
-
-    fixtures :fk_test_has_pk
-
-    def before_setup
-      super
-      conn = ActiveRecord::Base.lease_connection
-
-      conn.drop_table :fk_test_has_fk, if_exists: true
-      conn.drop_table :fk_test_has_pk, if_exists: true
-
-      conn.create_table :fk_test_has_pk, primary_key: "pk_id", force: :cascade do |t|
-      end
-
-      conn.create_table :fk_test_has_fk, force: true do |t|
-        t.references :fk, null: false
-        t.foreign_key :fk_test_has_pk, column: "fk_id", name: "fk_name", primary_key: "pk_id"
-      end
-
-      conn.execute "INSERT INTO fk_test_has_pk (pk_id) VALUES (1)"
-    end
-
-    def setup
-      super
-      @connection = ActiveRecord::Base.lease_connection
-    end
-
-    def test_foreign_key_violations_are_translated_to_specific_exception_with_validate_false
-      klass_has_fk = Class.new(ActiveRecord::Base) do
-        self.table_name = "fk_test_has_fk"
-      end
-
-      error = assert_raises(ActiveRecord::InvalidForeignKey) do
-        has_fk = klass_has_fk.new
-        has_fk.fk_id = 1231231231
-        has_fk.save(validate: false)
-      end
-
-      assert_not_nil error.cause
-    end
-
-    # This is override to prevent an intermittent error
-    # Table fk_test_has_pk has constrain droped and not created back
-    def test_foreign_key_violations_on_insert_are_translated_to_specific_exception
-      error = assert_raises(ActiveRecord::InvalidForeignKey) do
-        insert_into_fk_test_has_fk
-      end
-
-      assert_not_nil error.cause
-    end
-
-    # This is override to prevent an intermittent error
-    # Table fk_test_has_pk has constrain droped and not created back
-    def test_foreign_key_violations_on_delete_are_translated_to_specific_exception
-      insert_into_fk_test_has_fk fk_id: 1
-
-      error = assert_raises(ActiveRecord::InvalidForeignKey) do
-        @connection.execute "DELETE FROM fk_test_has_pk WHERE pk_id = 1"
-      end
-
-      assert_not_nil error.cause
-    end
-
-    private
-
-    def insert_into_fk_test_has_fk(fk_id: 0)
-      # Oracle adapter uses prefetched primary key values from sequence and passes them to connection adapter insert method
-      if @connection.prefetch_primary_key?
-        id_value = @connection.next_sequence_value(@connection.default_sequence_name("fk_test_has_fk", "id"))
-        @connection.execute "INSERT INTO fk_test_has_fk (id,fk_id) VALUES (#{id_value},#{fk_id})"
-      else
-        @connection.execute "INSERT INTO fk_test_has_fk (fk_id) VALUES (#{fk_id})"
-      end
-    end
-  end
-
   class AdapterTestWithoutTransaction < ActiveRecord::TestCase
     self.use_transactional_tests = false