diff options
Diffstat (limited to 'activerecord/test/cases/migration/command_recorder_test.rb')
-rw-r--r-- | activerecord/test/cases/migration/command_recorder_test.rb | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/activerecord/test/cases/migration/command_recorder_test.rb b/activerecord/test/cases/migration/command_recorder_test.rb new file mode 100644 index 0000000000..ea2292dda5 --- /dev/null +++ b/activerecord/test/cases/migration/command_recorder_test.rb @@ -0,0 +1,108 @@ +require "cases/helper" + +module ActiveRecord + class Migration + class CommandRecorderTest < ActiveRecord::TestCase + def setup + @recorder = CommandRecorder.new + end + + def test_respond_to_delegates + recorder = CommandRecorder.new(Class.new { + def america; end + }.new) + assert recorder.respond_to?(:america) + end + + def test_send_calls_super + assert_raises(NoMethodError) do + @recorder.send(:create_table, :horses) + end + end + + def test_send_delegates_to_record + recorder = CommandRecorder.new(Class.new { + def create_table(name); end + }.new) + assert recorder.respond_to?(:create_table), 'respond_to? create_table' + recorder.send(:create_table, :horses) + assert_equal [[:create_table, [:horses]]], recorder.commands + end + + def test_unknown_commands_raise_exception + @recorder.record :execute, ['some sql'] + assert_raises(ActiveRecord::IrreversibleMigration) do + @recorder.inverse + end + end + + def test_record + @recorder.record :create_table, [:system_settings] + assert_equal 1, @recorder.commands.length + end + + def test_inverse + @recorder.record :create_table, [:system_settings] + assert_equal 1, @recorder.inverse.length + + @recorder.record :rename_table, [:old, :new] + assert_equal 2, @recorder.inverse.length + end + + def test_inverted_commands_are_reveresed + @recorder.record :create_table, [:hello] + @recorder.record :create_table, [:world] + tables = @recorder.inverse.map(&:last) + assert_equal [[:world], [:hello]], tables + end + + def test_invert_create_table + @recorder.record :create_table, [:system_settings] + drop_table = @recorder.inverse.first + assert_equal [:drop_table, [:system_settings]], drop_table + end + + def test_invert_rename_table + @recorder.record :rename_table, [:old, :new] + rename = @recorder.inverse.first + assert_equal [:rename_table, [:new, :old]], rename + end + + def test_invert_add_column + @recorder.record :add_column, [:table, :column, :type, {}] + remove = @recorder.inverse.first + assert_equal [:remove_column, [:table, :column]], remove + end + + def test_invert_rename_column + @recorder.record :rename_column, [:table, :old, :new] + rename = @recorder.inverse.first + assert_equal [:rename_column, [:table, :new, :old]], rename + end + + def test_invert_add_index + @recorder.record :add_index, [:table, [:one, :two], {:options => true}] + remove = @recorder.inverse.first + assert_equal [:remove_index, [:table, {:column => [:one, :two]}]], remove + end + + def test_invert_rename_index + @recorder.record :rename_index, [:old, :new] + rename = @recorder.inverse.first + assert_equal [:rename_index, [:new, :old]], rename + end + + def test_invert_add_timestamps + @recorder.record :add_timestamps, [:table] + remove = @recorder.inverse.first + assert_equal [:remove_timestamps, [:table]], remove + end + + def test_invert_remove_timestamps + @recorder.record :remove_timestamps, [:table] + add = @recorder.inverse.first + assert_equal [:add_timestamps, [:table]], add + end + end + end +end |