use database from ARUNIT_DB_NAME environment variable when running tests on Oracle

activerecord/test/connections/native_oracle/connection.rb

@@ -8,32 +8,22 @@
 require_dependency 'models/course'
 require 'logger'
 
-# ActiveRecord::Base.logger = Logger.new STDOUT
-# ActiveRecord::Base.logger.level = Logger::WARN
 ActiveRecord::Base.logger = Logger.new("debug.log")
 
 # Set these to your database connection strings
-db = ENV['ARUNIT_DB_NAME'] = 'orcl'
+ENV['ARUNIT_DB_NAME'] ||= 'orcl'
 
 ActiveRecord::Base.configurations = {
   'arunit' => {
     :adapter  => 'oracle_enhanced',
-    :database => db,
-    :host => "localhost", # used just by JRuby to construct JDBC connect string
-    # :adapter => "jdbc",
-    # :driver => "oracle.jdbc.driver.OracleDriver",
-    # :url => "jdbc:oracle:thin:@localhost:1521:#{db}",
+    :database => ENV['ARUNIT_DB_NAME'],
     :username => 'arunit',
     :password => 'arunit',
     :emulate_oracle_adapter => true
   },
   'arunit2' => {
     :adapter  => 'oracle_enhanced',
-    :database => db,
-    :host => "localhost", # used just by JRuby to construct JDBC connect string
-    # :adapter => "jdbc",
-    # :driver => "oracle.jdbc.driver.OracleDriver",
-    # :url => "jdbc:oracle:thin:@localhost:1521:#{db}",
+    :database => ENV['ARUNIT_DB_NAME'],
     :username => 'arunit2',
     :password => 'arunit2',
     :emulate_oracle_adapter => true
@@ -43,9 +33,6 @@
 ActiveRecord::Base.establish_connection 'arunit'
 Course.establish_connection 'arunit2'
 
-# ActiveRecord::Base.connection.execute %q{alter session set nls_date_format = 'YYYY-MM-DD HH24:MI:SS'}
-# ActiveRecord::Base.connection.execute %q{alter session set nls_timestamp_format = 'YYYY-MM-DD HH24:MI:SS'} rescue nil
-
 # for assert_queries test helper
 ActiveRecord::Base.connection.class.class_eval do
   IGNORED_SELECT_SQL = [/^select .*nextval/i, /^SAVEPOINT/, /^ROLLBACK TO/, /^\s*select .* from ((all|user)_tab_columns|(all|user)_triggers|(all|user)_constraints)/im]
@@ -58,6 +45,3 @@ def select_with_query_record(sql, name = nil, return_column_names = false)
 
   alias_method_chain :select, :query_record
 end
-
-# For JRuby Set default $KCODE to UTF8
-$KCODE = "UTF8" if defined?(RUBY_ENGINE) && RUBY_ENGINE == 'jruby'