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require 'cases/helper'
module ActiveRecord
class Migration
class ColumnPositioningTest < ActiveRecord::TestCase
attr_reader :connection, :table_name
alias :conn :connection
def setup
super
unless current_adapter?(:MysqlAdapter, :Mysql2Adapter)
skip "not supported on #{connection.class}"
end
@connection = ActiveRecord::Base.connection
connection.create_table :testings, :id => false do |t|
t.column :first, :integer
t.column :second, :integer
t.column :third, :integer
end
end
def teardown
super
connection.drop_table :testings rescue nil
ActiveRecord::Base.primary_key_prefix_type = nil
end
def test_column_positioning
assert_equal %w(first second third), conn.columns(:testings).map {|c| c.name }
end
def test_add_column_with_positioning
conn.add_column :testings, :new_col, :integer
assert_equal %w(first second third new_col), conn.columns(:testings).map {|c| c.name }
end
def test_add_column_with_positioning_first
conn.add_column :testings, :new_col, :integer, :first => true
assert_equal %w(new_col first second third), conn.columns(:testings).map {|c| c.name }
end
def test_add_column_with_positioning_after
conn.add_column :testings, :new_col, :integer, :after => :first
assert_equal %w(first new_col second third), conn.columns(:testings).map {|c| c.name }
end
def test_change_column_with_positioning
conn.change_column :testings, :second, :integer, :first => true
assert_equal %w(second first third), conn.columns(:testings).map {|c| c.name }
conn.change_column :testings, :second, :integer, :after => :third
assert_equal %w(first third second), conn.columns(:testings).map {|c| c.name }
end
end
end
end
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