JezK
Edit File: copy_table_test_sqlite.rb
require "cases/helper" class CopyTableTest < ActiveRecord::TestCase fixtures :companies, :comments def setup @connection = ActiveRecord::Base.connection class << @connection public :copy_table, :table_structure, :indexes end end def test_copy_table(from = 'companies', to = 'companies2', options = {}) assert_nothing_raised {copy_table(from, to, options)} assert_equal row_count(from), row_count(to) if block_given? yield from, to, options else assert_equal column_names(from), column_names(to) end @connection.drop_table(to) rescue nil end def test_copy_table_renaming_column test_copy_table('companies', 'companies2', :rename => {'client_of' => 'fan_of'}) do |from, to, options| expected = column_values(from, 'client_of') assert expected.any?, 'only nils in resultset; real values are needed' assert_equal expected, column_values(to, 'fan_of') end end def test_copy_table_with_index test_copy_table('comments', 'comments_with_index') do @connection.add_index('comments_with_index', ['post_id', 'type']) test_copy_table('comments_with_index', 'comments_with_index2') do assert_equal table_indexes_without_name('comments_with_index'), table_indexes_without_name('comments_with_index2') end end end def test_copy_table_without_primary_key test_copy_table('developers_projects', 'programmers_projects') end protected def copy_table(from, to, options = {}) @connection.copy_table(from, to, {:temporary => true}.merge(options)) end def column_names(table) @connection.table_structure(table).map {|column| column['name']} end def column_values(table, column) @connection.select_all("SELECT #{column} FROM #{table} ORDER BY id").map {|row| row[column]} end def table_indexes_without_name(table) @connection.indexes('comments_with_index').delete(:name) end def row_count(table) @connection.select_one("SELECT COUNT(*) AS count FROM #{table}")['count'] end end