describe 'Ridgepole::Client#diff -> migrate' do
  context 'when change column' do
    let(:actual_dsl) {
      erbh(<<-EOS)
        create_table "employees", primary_key: "emp_no", force: :cascade do |t|
          t.date   "birth_date", null: false
          t.string "first_name", limit: 14, null: false
          t.string "last_name", limit: 16, null: false
          t.string "gender", limit: 1, null: false
          t.date   "hire_date", null: false
        end
      EOS
    }

    let(:expected_dsl) {
      erbh(<<-EOS)
        create_table "employees", primary_key: "emp_no2", force: :cascade do |t|
          t.date   "birth_date", null: false
          t.string "first_name", limit: 14, null: false
          t.string "last_name", limit: 16, null: false
          t.string "gender", limit: 1, null: false
          t.date   "hire_date", null: false
        end
      EOS
    }

    before { subject.diff(actual_dsl).migrate }
    subject { client }

    it {
      expect(Ridgepole::Logger.instance).to receive(:warn).with("[WARNING] No difference of schema configuration for table `employees` but table options differ.")
      expect(Ridgepole::Logger.instance).to receive(:warn).with(erbh(%Q!  from: {:primary_key=>"emp_no"}!))
      expect(Ridgepole::Logger.instance).to receive(:warn).with(erbh(%Q!    to: {:primary_key=>"emp_no2"}!))
      delta = subject.diff(expected_dsl)
      expect(delta.differ?).to be_falsey
      expect(subject.dump).to match_fuzzy actual_dsl
      delta.migrate
      expect(subject.dump).to match_fuzzy actual_dsl
    }

    it {
      expect(Ridgepole::Logger.instance).to receive(:warn).with("[WARNING] No difference of schema configuration for table `employees` but table options differ.")
      expect(Ridgepole::Logger.instance).to receive(:warn).with(erbh(%Q!  from: {:primary_key=>"emp_no2"}!))
      expect(Ridgepole::Logger.instance).to receive(:warn).with(erbh(%Q!    to: {:primary_key=>"emp_no"}!))
      delta = Ridgepole::Client.diff(actual_dsl, expected_dsl, reverse: true)
      expect(delta.differ?).to be_falsey
    }
  end
end