From d8a795e3429e4dc4e1c1a9d51841960ceb474a43 Mon Sep 17 00:00:00 2001
From: Mario DS Briggs <mario@linux-in.localdomain>
Date: Wed, 24 Sep 2008 20:13:28 +0530
Subject: [PATCH] Changes to have rails recognize ibm_db, while issued command rails <app_name> -d ibm_db. The changes include adding ibm_db to the list of databses in the file app_generator.rb. Added a template database.yml file for ibm_db. Added a test case, rails_app_generator_test.rb, to test the changes made.

---
 railties/configs/databases/ibm_db.yml              |   65 ++++++++++++++++++++
 .../generators/applications/app/app_generator.rb   |    2 +-
 .../test/generators/rails_app_generator_test.rb    |   62 +++++++++++++++++++
 3 files changed, 128 insertions(+), 1 deletions(-)
 create mode 100644 railties/configs/databases/ibm_db.yml
 create mode 100644 railties/test/generators/rails_app_generator_test.rb

diff --git a/railties/configs/databases/ibm_db.yml b/railties/configs/databases/ibm_db.yml
new file mode 100644
index 0000000..2766986
--- /dev/null
+++ b/railties/configs/databases/ibm_db.yml
@@ -0,0 +1,65 @@
+# Rails Adapter/Ruby Driver for IBM DataServers
+# 
+# Home Page
+#      http://rubyforge.org/projects/rubyibm/
+# To install ibm_db gem :
+# 
+#    Linux platform
+#    
+#      source the db2profile file and set the necessary environment variables as below :
+#     
+#        . /home/db2inst1/sqllib/db2profile
+#        export IBM_DB_DIR=/opt/ibm/db2/V9.1
+#        export IBM_DB_LIB=/opt/ibm/db2/V9.1/lib32
+#
+#      Issue the command : gem install ibm_db
+#
+#    Windows platform 
+#
+#      Issue the command : gem install ibm_db 
+#      select the option for platform mswin32
+#
+# For more details on installation refer http://rubyforge.org/docman/view.php/2361/7682/IBM_DB_GEM.pdf
+#	
+# For more details on the below connection parameters refer 
+#   http://rubyibm.rubyforge.org/docs/adapter/0.9.0/rdoc/classes/ActiveRecord/ConnectionAdapters/IBM_DBAdapter.html
+
+development:
+  adapter:     ibm_db
+  username:    db2user
+  password:    secret
+  database:    <%= app_name[0,4] %>_dev
+  #schema:      db2user
+  #host:        Socrates
+  #port:        50000
+  #account:     tester
+  #app_user:    test11
+  #application: rtests
+  #workstation: plato
+ 
+
+test:
+  adapter:     ibm_db
+  username:    db2user
+  password:    secret
+  database:    <%= app_name[0,4] %>_tst
+  #schema:      db2user
+  #host:        Socrates
+  #port:        50000
+  #account:     tester
+  #app_user:    test11
+  #application: rtests
+  #workstation: plato
+
+production:
+  adapter:     ibm_db
+  username:    db2user
+  password:    secret
+  database:    <%= app_name[0,4] %>_prd
+  #schema:      db2user
+  #host:        Socrates
+  #port:        50000
+  #account:     tester
+  #app_user:    test11
+  #application: rtests
+  #workstation: plato
diff --git a/railties/lib/rails_generator/generators/applications/app/app_generator.rb b/railties/lib/rails_generator/generators/applications/app/app_generator.rb
index 9849948..acd3dc8 100644
--- a/railties/lib/rails_generator/generators/applications/app/app_generator.rb
+++ b/railties/lib/rails_generator/generators/applications/app/app_generator.rb
@@ -5,7 +5,7 @@ class AppGenerator < Rails::Generator::Base
   DEFAULT_SHEBANG = File.join(Config::CONFIG['bindir'],
                               Config::CONFIG['ruby_install_name'])
 
-  DATABASES = %w(mysql oracle postgresql sqlite2 sqlite3 frontbase)
+  DATABASES = %w(mysql oracle postgresql sqlite2 sqlite3 frontbase ibm_db)
   DEFAULT_DATABASE = 'sqlite3'
 
   default_options   :db => (ENV["RAILS_DEFAULT_DATABASE"] || DEFAULT_DATABASE),
diff --git a/railties/test/generators/rails_app_generator_test.rb b/railties/test/generators/rails_app_generator_test.rb
new file mode 100644
index 0000000..a51de2e
--- /dev/null
+++ b/railties/test/generators/rails_app_generator_test.rb
@@ -0,0 +1,62 @@
+require 'test/unit'
+require 'fileutils'
+
+# Set RAILS_ROOT appropriately fixture generation
+tmp_dir = "#{File.dirname(__FILE__)}/../../myapp"
+
+if defined? RAILS_ROOT
+  RAILS_ROOT.replace tmp_dir
+else
+  RAILS_ROOT = tmp_dir
+end
+
+FileUtils.mkdir_p RAILS_ROOT
+
+$LOAD_PATH.unshift "#{File.dirname(__FILE__)}/../../lib"
+require 'initializer'
+
+# Mocks out the configuration
+module Rails
+  def self.configuration
+    Rails::Configuration.new
+  end
+end
+              
+require 'rails_generator'
+require 'rails_generator/generators/applications/app/app_generator'
+
+class AppGenerator < Rails::Generator::Base
+  def create_database_yml
+    obj = Rails::Generator::Commands::Create.new self
+    obj.template "configs/databases/ibm_db.yml","config/database.yml",:assigns => {:app_name => @app_name}
+  end
+end
+
+class AppGenerationTest < Test::Unit::TestCase
+  include FileUtils
+
+  def setup
+    mkdir_p "#{RAILS_ROOT}/config"
+  end
+
+  def test_app_generator_for_ibm_db
+    @app_name = 'myapp'
+
+    assert File.exist?("#{File.dirname(__FILE__)}/../../configs/databases/ibm_db.yml"),"The file '#{File.dirname(__FILE__)}/../../configs/databases/ibm_db.yml' should exist"
+    assert_nothing_raised do 
+      app = AppGenerator.new([@app_name,'-d','ibm_db'])
+      app.create_database_yml
+    end
+    data = File.read("#{RAILS_ROOT}/config/database.yml").freeze
+
+    assert_match %r{database:    #{@app_name[0,4]}_dev},data
+    assert_match %r{database:    #{@app_name[0,4]}_tst},data
+    assert_match %r{database:    #{@app_name[0,4]}_prd},data
+  end
+
+  def teardown
+    rm_rf "#{RAILS_ROOT}"
+  end
+
+end
+
-- 
1.5.6.1