Method: MigrationTest#test_versioned_migration

Defined in:
lib/acts_as_versioned/test/migration_test.rb

#test_versioned_migration ⇒ Object 



24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
 
# File 'lib/acts_as_versioned/test/migration_test.rb', line 24

def test_versioned_migration
  assert_raises(ActiveRecord::StatementInvalid) { Thing.create :title => 'blah blah' }
  # take 'er up
  ActiveRecord::Migrator.up(File.dirname(__FILE__) + '/fixtures/migrations/')
  t = Thing.create :title => 'blah blah', :price => 123.45, :type => 'Thing'
  assert_equal 1, t.versions.size
  
  # check that the price column has remembered its value correctly
  assert_equal t.price,  t.versions.first.price
  assert_equal t.title,  t.versions.first.title
  assert_equal t[:type], t.versions.first[:type]
  
  # make sure that the precision of the price column has been preserved
  assert_equal 7, Thing::Version.columns.find{|c| c.name == "price"}.precision
  assert_equal 2, Thing::Version.columns.find{|c| c.name == "price"}.scale

  # now lets take 'er back down
  ActiveRecord::Migrator.down(File.dirname(__FILE__) + '/fixtures/migrations/')
  assert_raises(ActiveRecord::StatementInvalid) { Thing.create :title => 'blah blah' }
end