Merge pull request #14152 from schneems/schneems/fix-ar-wtf-why-is-there-no-environment

Handle missing environment from non empty config

activerecord/lib/active_record/connection_handling.rb

@@ -93,7 +93,6 @@ module ActiveRecord
         # the connection URL. This hash responds to any string key with
         # resolved connection information.
         def default_url_hash
-          if @raw_config.blank?
           Hash.new do |hash, key|
             hash[key] = if key.is_a? String
                ActiveRecord::ConnectionAdapters::ConnectionSpecification::ConnectionUrlResolver.new(@url).to_hash
@@ -101,9 +100,6 @@ module ActiveRecord
               nil
             end
           end
-          else
-            {}
-          end
         end
     end
 

activerecord/test/cases/connection_adapters/connection_handler_test.rb

@@ -17,6 +17,14 @@ module ActiveRecord
         ENV["DATABASE_URL"] = @previous_database_url
       end
 
+      def test_environment_does_not_exist_in_config_url_does_exist
+        ENV['DATABASE_URL'] = "postgres://localhost/foo"
+        config      = { "not_production" => {  "adapter" => "not_postgres", "database" => "not_foo" } }
+        actual      = klass.new(config).resolve
+        expect_prod = { "adapter"=>"postgresql", "database"=>"foo", "host"=>"localhost" }
+        assert_equal expect_prod, actual["production"]
+      end
+
       def test_string_connection
         config   = { "production" => "postgres://localhost/foo" }
         actual   = klass.new(config).resolve
@@ -69,21 +77,6 @@ module ActiveRecord
         assert_equal nil,      actual[:test]
       end
 
-      def test_sting_with_database_url
-        ENV['DATABASE_URL'] = "NOT-POSTGRES://localhost/NOT_FOO"
-
-        config   = { "production" => "postgres://localhost/foo" }
-        actual   = klass.new(config).resolve
-
-        expected = { "production" =>
-                     { "adapter"  => "postgresql",
-                       "database" => "foo",
-                       "host"     => "localhost"
-                      }
-                    }
-        assert_equal expected, actual
-      end
-
       def test_url_sub_key_with_database_url
         ENV['DATABASE_URL'] = "NOT-POSTGRES://localhost/NOT_FOO"