describe 'Ridgepole::Client#diff -> migrate' do
  context 'when create table' do
    let(:dsl) {
      erbh(<<-EOS)
        create_table "clubs", force: :cascade do |t|
          t.string "name", default: "", null: false
          t.index ["name"], name: "idx_name", unique: true, <%= i cond(5.0, using: :btree) %>
        end

        create_table "departments", primary_key: "dept_no", force: :cascade do |t|
          t.string "dept_name", limit: 40, null: false
          t.index ["dept_name"], name: "dept_name", unique: true, <%= i cond(5.0, using: :btree) %>
        end

        create_table "dept_emp", id: false, force: :cascade do |t|
          t.integer "emp_no", null: false
          t.string  "dept_no", null: false
          t.date    "from_date", null: false
          t.date    "to_date", null: false
          t.index ["dept_no"], name: "dept_no", <%= i cond(5.0, using: :btree) %>
          t.index ["emp_no"], name: "emp_no", <%= i cond(5.0, using: :btree) %>
        end

        create_table "dept_manager", id: false, force: :cascade do |t|
          t.string  "dept_no", null: false
          t.integer "emp_no", null: false
          t.date    "from_date", null: false
          t.date    "to_date", null: false
          t.index ["dept_no"], name: "dept_no", <%= i cond(5.0, using: :btree) %>
          t.index ["emp_no"], name: "emp_no", <%= i cond(5.0, using: :btree) %>
        end

        create_table "employee_clubs", force: :cascade do |t|
          t.integer "emp_no", null: false
          t.integer "club_id", null: false
          t.index ["emp_no", "club_id"], name: "idx_emp_no_club_id", <%= i cond(5.0, using: :btree) %>
        end

        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

        create_table "salaries", id: false, force: :cascade do |t|
          t.integer "emp_no", null: false
          t.integer "salary", null: false
          t.date    "from_date", null: false
          t.date    "to_date", null: false
          t.index ["emp_no"], name: "emp_no", <%= i cond(5.0, using: :btree) %>
        end

        create_table "titles", id: false, force: :cascade do |t|
          t.integer "emp_no", null: false
          t.string  "title", limit: 50, null: false
          t.date    "from_date", null: false
          t.date    "to_date"
          t.index ["emp_no"], name: "emp_no", <%= i cond(5.0, using: :btree) %>
        end
      EOS
    }

    let(:actual_dsl) {
      erbh(<<-EOS)
        create_table "departments", primary_key: "dept_no", force: :cascade do |t|
          t.string "dept_name", limit: 40, null: false
          t.index ["dept_name"], name: "dept_name", unique: true, <%= i cond(5.0, using: :btree) %>
        end

        create_table "dept_emp", id: false, force: :cascade do |t|
          t.integer "emp_no", null: false
          t.string  "dept_no", null: false
          t.date    "from_date", null: false
          t.date    "to_date", null: false
          t.index ["dept_no"], name: "dept_no", <%= i cond(5.0, using: :btree) %>
          t.index ["emp_no"], name: "emp_no", <%= i cond(5.0, using: :btree) %>
        end

        create_table "dept_manager", id: false, force: :cascade do |t|
          t.string  "dept_no", null: false
          t.integer "emp_no", null: false
          t.date    "from_date", null: false
          t.date    "to_date", null: false
          t.index ["dept_no"], name: "dept_no", <%= i cond(5.0, using: :btree) %>
          t.index ["emp_no"], name: "emp_no", <%= i cond(5.0, using: :btree) %>
        end

        create_table "salaries", id: false, force: :cascade do |t|
          t.integer "emp_no", null: false
          t.integer "salary", null: false
          t.date    "from_date", null: false
          t.date    "to_date", null: false
          t.index ["emp_no"], name: "emp_no", <%= i cond(5.0, using: :btree) %>
        end

        create_table "titles", id: false, force: :cascade do |t|
          t.integer "emp_no", null: false
          t.string  "title", limit: 50, null: false
          t.date    "from_date", null: false
          t.date    "to_date"
          t.index ["emp_no"], name: "emp_no", <%= i cond(5.0, using: :btree) %>
        end
      EOS
    }

    let(:expected_dsl) { dsl }

    before { client.diff(actual_dsl).migrate }

    it {
      tempfile("#{File.basename __FILE__}.#{$$}") do |path|
        delta = client(log_file: path).diff(expected_dsl)
        expect(delta.differ?).to be_truthy
        expect(client.dump).to match_fuzzy actual_dsl
        delta.migrate
        expect(client.dump).to match_fuzzy expected_dsl
        expect(File.size(path)).to be > 0
      end
    }
  end
end