Added migration and session_migration generator.

3 files changed, 91 insertions, 0 deletions

diff --git a/railties/test/generators/generators_test_helper.rb b/railties/test/generators/generators_test_helper.rb
index 662646fbff..7c58c7b64e 100644
--- a/railties/test/generators/generators_test_helper.rb
+++ b/railties/test/generators/generators_test_helper.rb
@@ -73,4 +73,13 @@ class GeneratorsTestCase < Test::Unit::TestCase
     migration = Dir.glob("#{dirname}/[0-9]*_*.rb").grep(/\d+_#{file_name}.rb$/).first
     File.basename(migration) if migration
   end
+
+  def assert_class_method_for(content, method, &block)
+    assert_instance_method_for content, "self.#{method}", &block
+  end
+
+  def assert_instance_method_for(content, method)
+    assert_match /def #{method}(.*?)end/m, content
+    yield content.match(/def #{method}(.*?)end/m)[1]
+  end
 end
diff --git a/railties/test/generators/migration_generator_test.rb b/railties/test/generators/migration_generator_test.rb
new file mode 100644
index 0000000000..90bc91344f
--- /dev/null
+++ b/railties/test/generators/migration_generator_test.rb
@@ -0,0 +1,58 @@
+require 'abstract_unit'
+require 'generators/generators_test_helper'
+require 'generators/active_record/migration/migration_generator'
+require 'generators/rails/migration/migration_generator'
+
+class MigrationGeneratorTest < GeneratorsTestCase
+
+  def test_migration
+    @migration = "change_title_body_from_posts"
+    run_generator
+    assert_migration "db/migrate/#{@migration}.rb", /class ChangeTitleBodyFromPosts < ActiveRecord::Migration/
+  end
+
+  def test_migration_with_class_name
+    @migration = "ChangeTitleBodyFromPosts"
+    run_generator
+    assert_migration "db/migrate/change_title_body_from_posts.rb", /class #{@migration} < ActiveRecord::Migration/
+  end
+
+  def test_add_migration_with_attributes
+    @migration = "add_title_body_to_posts"
+    run_generator [@migration, "title:string", "body:text"]
+    content = assert_migration "db/migrate/#{@migration}.rb"
+
+    assert_class_method_for content, :up do |up|
+      assert_match /add_column :posts, :title, :string/, up
+      assert_match /add_column :posts, :body, :text/, up
+    end
+
+    assert_class_method_for content, :down do |down|
+      assert_match /remove_column :posts, :title/, down
+      assert_match /remove_column :posts, :body/, down
+    end
+  end
+
+  def test_remove_migration_with_attributes
+    @migration = "remove_title_body_from_posts"
+    run_generator [@migration, "title:string", "body:text"]
+    content = assert_migration "db/migrate/#{@migration}.rb"
+
+    assert_class_method_for content, :up do |up|
+      assert_match /remove_column :posts, :title/, up
+      assert_match /remove_column :posts, :body/, up
+    end
+
+    assert_class_method_for content, :down do |down|
+      assert_match /add_column :posts, :title, :string/, down
+      assert_match /add_column :posts, :body, :text/, down
+    end
+  end
+
+  protected
+
+    def run_generator(args=[@migration])
+      silence(:stdout) { Rails::Generators::MigrationGenerator.start args, :root => destination_root }
+    end
+
+end
diff --git a/railties/test/generators/session_migration_generator_test.rb b/railties/test/generators/session_migration_generator_test.rb
new file mode 100644
index 0000000000..05b51b1566
--- /dev/null
+++ b/railties/test/generators/session_migration_generator_test.rb
@@ -0,0 +1,24 @@
+require 'abstract_unit'
+require 'generators/generators_test_helper'
+require 'generators/active_record/session_migration/session_migration_generator'
+require 'generators/rails/session_migration/session_migration_generator'
+
+class SessionMigrationGeneratorTest < GeneratorsTestCase
+
+  def test_session_migration_with_default_name
+    run_generator
+    assert_migration "db/migrate/add_sessions_table.rb", /class AddSessionsTable < ActiveRecord::Migration/
+  end
+
+  def test_session_migration_with_given_name
+    run_generator ["create_session_table"]
+    assert_migration "db/migrate/create_session_table.rb", /class CreateSessionTable < ActiveRecord::Migration/
+  end
+
+  protected
+
+    def run_generator(args=[])
+      silence(:stdout) { Rails::Generators::SessionMigrationGenerator.start args, :root => destination_root }
+    end
+
+end