1 files changed, 76 insertions, 0 deletions
diff --git a/activerecord/test/cases/adapters/postgresql/enum_test.rb b/activerecord/test/cases/adapters/postgresql/enum_test.rb
new file mode 100644
index 0000000000..4146b117f6
--- /dev/null
+++ b/activerecord/test/cases/adapters/postgresql/enum_test.rb
@@ -0,0 +1,76 @@
+# -*- coding: utf-8 -*-
+require "cases/helper"
+require 'support/connection_helper'
+require 'active_record/base'
+require 'active_record/connection_adapters/postgresql_adapter'
+
+class PostgresqlEnumTest < ActiveRecord::TestCase
+  include ConnectionHelper
+
+  class PostgresqlEnum < ActiveRecord::Base
+    self.table_name = "postgresql_enums"
+  end
+
+  def setup
+    @connection = ActiveRecord::Base.connection
+    @connection.transaction do
+      @connection.execute <<-SQL
+        CREATE TYPE mood AS ENUM ('sad', 'ok', 'happy');
+      SQL
+      @connection.create_table('postgresql_enums') do |t|
+        t.column :current_mood, :mood
+      end
+    end
+  end
+
+  teardown do
+    @connection.execute 'DROP TABLE IF EXISTS postgresql_enums'
+    @connection.execute 'DROP TYPE IF EXISTS mood'
+    reset_connection
+  end
+
+  def test_column
+    column = PostgresqlEnum.columns_hash["current_mood"]
+    assert_equal :enum, column.type
+    assert_equal "mood", column.sql_type
+    assert_not column.number?
+    assert_not column.text?
+    assert_not column.binary?
+    assert_not column.array
+  end
+
+  def test_enum_mapping
+    @connection.execute "INSERT INTO postgresql_enums VALUES (1, 'sad');"
+    enum = PostgresqlEnum.first
+    assert_equal "sad", enum.current_mood
+
+    enum.current_mood = "happy"
+    enum.save!
+
+    assert_equal "happy", enum.reload.current_mood
+  end
+
+  def test_invalid_enum_update
+    @connection.execute "INSERT INTO postgresql_enums VALUES (1, 'sad');"
+    enum = PostgresqlEnum.first
+    enum.current_mood = "angry"
+
+    assert_raise ActiveRecord::StatementInvalid do
+      enum.save
+    end
+  end
+
+  def test_no_oid_warning
+    @connection.execute "INSERT INTO postgresql_enums VALUES (1, 'sad');"
+    stderr_output = capture(:stderr) { PostgresqlEnum.first }
+
+    assert stderr_output.blank?
+  end
+
+  def test_enum_type_cast
+    enum = PostgresqlEnum.new
+    enum.current_mood = :happy
+
+    assert_equal "happy", enum.current_mood
+  end
+end