PostgreSQL: correct binary escaping. References #8049, closes #10176 [jbasdf, tmacedo]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8185 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

activerecord/lib/active_record/connection_adapters/postgresql_adapter.rb

@@ -75,7 +75,7 @@ module ActiveRecord
           if PGconn.respond_to?(:unescape_bytea)
             self.class.module_eval do
               define_method(:binary_to_string) do |value|
-                if value =~ /\\\\\d{3}/
+                if value =~ /\\\d{3}/
                   PGconn.unescape_bytea(value)
                 else
                   value
@@ -85,7 +85,7 @@ module ActiveRecord
           else
             self.class.module_eval do
               define_method(:binary_to_string) do |value|
-                if value =~ /\\\\\d{3}/
+                if value =~ /\\\d{3}/
                   result = ''
                   i, max = 0, value.size
                   while i < max

activerecord/test/binary_test.rb

@@ -1,37 +1,32 @@
 require 'abstract_unit'
-require 'fixtures/binary'
 
-class BinaryTest < Test::Unit::TestCase
-  BINARY_FIXTURE_PATH = File.dirname(__FILE__) + '/fixtures/flowers.jpg'
+# Without using prepared statements, it makes no sense to test
+# BLOB data with SQL Server, because the length of a statement is
+# limited to 8KB.
+#
+# Without using prepared statements, it makes no sense to test
+# BLOB data with DB2 or Firebird, because the length of a statement
+# is limited to 32KB.
+unless current_adapter?(:SQLServerAdapter, :SybaseAdapter, :DB2Adapter, :FirebirdAdapter)
+  require 'fixtures/binary'
 
-  def setup
-    Binary.connection.execute 'DELETE FROM binaries'
-    @data = File.read(BINARY_FIXTURE_PATH).freeze
-  end
-  
-  def test_truth
-    assert true
-  end
+  class BinaryTest < Test::Unit::TestCase
+    FIXTURES = %w(flowers.jpg example.log)
 
-  # Without using prepared statements, it makes no sense to test
-  # BLOB data with SQL Server, because the length of a statement is
-  # limited to 8KB.
-  #
-  # Without using prepared statements, it makes no sense to test
-  # BLOB data with DB2 or Firebird, because the length of a statement
-  # is limited to 32KB.
-  unless current_adapter?(:SQLServerAdapter, :SybaseAdapter, :DB2Adapter, :FirebirdAdapter)
     def test_load_save
-      bin = Binary.new
-      bin.data = @data
+      Binary.delete_all
 
-      assert @data == bin.data, 'Newly assigned data differs from original'
-          
-      bin.save
-      assert @data == bin.data, 'Data differs from original after save'
+      FIXTURES.each do |filename|
+        data = File.read("#{File.dirname(__FILE__)}/fixtures/#{filename}").freeze
 
-      db_bin = Binary.find(bin.id)
-      assert @data == db_bin.data, 'Reloaded data differs from original'
+        bin = Binary.new(:data => data)
+        assert_equal data, bin.data, 'Newly assigned data differs from original'
+
+        bin.save!
+        assert_equal data, bin.data, 'Data differs from original after save'
+
+        assert_equal data, bin.reload.data, 'Reloaded data differs from original'
+      end
     end
   end
 end