PostgreSQL: autodetected sequences work correctly with multiple schemas. Rely on the schema search_path instead of explicitly qualifying the sequence name with its schema. Closes #5280.

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@4737 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

1 files changed, 75 insertions, 0 deletions

diff --git a/activerecord/test/schema_authorization_test_postgresql.rb b/activerecord/test/schema_authorization_test_postgresql.rb
new file mode 100644
index 0000000000..f13287658c
--- /dev/null
+++ b/activerecord/test/schema_authorization_test_postgresql.rb
@@ -0,0 +1,75 @@
+require 'abstract_unit'
+
+class SchemaThing < ActiveRecord::Base
+end
+
+class SchemaAuthorizationTest < Test::Unit::TestCase
+  self.use_transactional_fixtures = false
+
+  TABLE_NAME = 'schema_things'
+  COLUMNS = [
+    'id serial primary key',
+    'name character varying(50)'
+  ]
+  USERS = ['rails_pg_schema_user1', 'rails_pg_schema_user2']
+
+  def setup
+    @connection = ActiveRecord::Base.connection
+    @connection.execute "SET search_path TO '$user',public"
+    set_session_auth
+    USERS.each do |u|
+      @connection.execute "CREATE ROLE #{u}"
+      @connection.execute "CREATE SCHEMA AUTHORIZATION #{u}"
+      set_session_auth u
+      @connection.execute "CREATE TABLE #{TABLE_NAME} (#{COLUMNS.join(',')})"
+      @connection.execute "INSERT INTO #{TABLE_NAME} (name) VALUES ('#{u}')"
+      set_session_auth
+    end
+  end
+
+  def teardown
+    set_session_auth 
+    @connection.execute "RESET search_path"
+    USERS.each do |u|
+      @connection.execute "DROP SCHEMA #{u} CASCADE"
+      @connection.execute "DROP ROLE #{u}"
+    end
+  end
+
+  def test_schema_invisible
+    assert_raise(ActiveRecord::StatementInvalid) do
+      set_session_auth
+      @connection.execute "SELECT * FROM #{TABLE_NAME}"
+    end
+  end
+
+  def test_schema_uniqueness
+    assert_nothing_raised do
+      set_session_auth
+      USERS.each do |u|
+        set_session_auth u
+        assert_equal u, @connection.select_value("SELECT name FROM #{TABLE_NAME} WHERE id = 1")
+        set_session_auth
+      end
+    end
+  end
+
+  def test_sequence_schema_caching
+    assert_nothing_raised do
+      USERS.each do |u|
+        set_session_auth u
+        st = SchemaThing.new :name => 'TEST1'
+        st.save!
+        st = SchemaThing.new :id => 5, :name => 'TEST2'
+        st.save!
+        set_session_auth
+      end
+    end
+  end
+
+  private
+    def set_session_auth auth = nil
+       @connection.execute "SET SESSION AUTHORIZATION #{auth || 'default'}"
+    end
+
+end