# frozen_string_literal: true

#
# Copyright (C) 2021 - present Instructure, Inc.
#
# This file is part of Canvas.
#
# Canvas is free software: you can redistribute it and/or modify it under
# the terms of the GNU Affero General Public License as published by the Free
# Software Foundation, version 3 of the License.
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
# details.
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describe RuboCop::Cop::Migration::RenameTable do
  subject(:cop) { described_class.new }

  it "flags calls to rename_table" do
    offenses = inspect_source(<<~RUBY)
      class TestMigration < ActiveRecord::Migration
        def up
          rename_table :users, :shibes
        end
      end
    RUBY
    expect(offenses.size).to eq 1
    expect(offenses.first.message).to include "Renaming a table requires a multi-deploy process"
    expect(offenses.first.severity.name).to eq(:warning)
  end

  it "doesn't flag if the migration also drops a view using the new name" do
    offenses = inspect_source(<<~'RUBY')
      class TestMigration < ActiveRecord::Migration
        def up
          execute("DROP VIEW #{connection.quote_table_name("shibes")}")
          rename_table :users, :shibes
        end
      end
    RUBY
    expect(offenses.size).to eq 0
  end
end
