comparison vendor/plugins/engines/test/unit/.svn/text-base/migration_test.rb.svn-base @ 0:513646585e45

* Import Redmine trunk SVN rev 3859

+require File.dirname(__FILE__) + '/../test_helper'
+require 'rails_generator'
+require 'rails_generator/scripts/generate'
+
+class MigrationsTest < Test::Unit::TestCase
+  
+  @@migration_dir = "#{RAILS_ROOT}/db/migrate"
+
+  def setup
+    ActiveRecord::Migration.verbose = false
+    Engines.plugins[:test_migration].migrate(0)
+  end
+  
+  def teardown
+    FileUtils.rm_r(@@migration_dir) if File.exist?(@@migration_dir)
+  end
+  
+  def test_engine_migrations_can_run_down
+    assert !table_exists?('tests'), ActiveRecord::Base.connection.tables.inspect
+    assert !table_exists?('others'), ActiveRecord::Base.connection.tables.inspect
+    assert !table_exists?('extras'), ActiveRecord::Base.connection.tables.inspect
+  end
+    
+  def test_engine_migrations_can_run_up
+    Engines.plugins[:test_migration].migrate(3)
+    assert table_exists?('tests')
+    assert table_exists?('others')
+    assert table_exists?('extras')
+  end
+  
+  def test_engine_migrations_can_upgrade_incrementally
+    Engines.plugins[:test_migration].migrate(1)
+    assert table_exists?('tests')
+    assert !table_exists?('others')
+    assert !table_exists?('extras')
+    assert_equal 1, Engines::Plugin::Migrator.current_version(Engines.plugins[:test_migration])
+    
+    
+    Engines.plugins[:test_migration].migrate(2)
+    assert table_exists?('others')
+    assert_equal 2, Engines::Plugin::Migrator.current_version(Engines.plugins[:test_migration])
+    
+    
+    Engines.plugins[:test_migration].migrate(3)
+    assert table_exists?('extras')
+    assert_equal 3, Engines::Plugin::Migrator.current_version(Engines.plugins[:test_migration])
+  end
+    
+  def test_generator_creates_plugin_migration_file
+    Rails::Generator::Scripts::Generate.new.run(['plugin_migration', 'test_migration'], :quiet => true)
+    assert migration_file, "migration file is missing"
+  end
+  
+  private
+  
+  def table_exists?(table)
+    ActiveRecord::Base.connection.tables.include?(table)
+  end
+  
+  def migration_file
+    Dir["#{@@migration_dir}/*test_migration_to_version_3.rb"][0]
+  end
+end