From e4d7e5090c928e5b64350be9a1fb3aaf6f968e4c Mon Sep 17 00:00:00 2001
From: Carl Lerche <carllerche@mac.com>
Date: Thu, 8 Oct 2009 12:14:57 -0700
Subject: Moving more initializers into the application object

---
 railties/test/application/plugins_test.rb | 90 +++++++++++++++++++++++++++++++
 1 file changed, 90 insertions(+)
 create mode 100644 railties/test/application/plugins_test.rb

(limited to 'railties/test/application/plugins_test.rb')

diff --git a/railties/test/application/plugins_test.rb b/railties/test/application/plugins_test.rb
new file mode 100644
index 0000000000..2a433ea016
--- /dev/null
+++ b/railties/test/application/plugins_test.rb
@@ -0,0 +1,90 @@
+require "isolation/abstract_unit"
+
+module ApplicationTests
+  class PluginTest < Test::Unit::TestCase
+    include ActiveSupport::Testing::Isolation
+
+    def assert_plugins(list_of_names, array_of_plugins, message=nil)
+      assert_equal list_of_names.map { |n| n.to_s }, array_of_plugins.map { |p| p.name }, message
+    end
+
+    def setup
+      build_app
+      boot_rails
+      @failure_tip = "It's likely someone has added a new plugin fixture without updating this list"
+      # Tmp hax to get tests working
+      FileUtils.cp_r "#{File.dirname(__FILE__)}/../fixtures/plugins", "#{app_path}/vendor"
+    end
+
+    test "all plugins are loaded when registered plugin list is untouched" do
+      Rails::Initializer.run { }
+      assert_plugins [
+        :a, :acts_as_chunky_bacon, :engine, :gemlike, :plugin_with_no_lib_dir, :stubby
+      ], Rails.application.config.loaded_plugins, @failure_tip
+    end
+
+    test "all plugins loaded after all" do
+      Rails::Initializer.run do |config|
+        config.plugins = [:stubby, :all, :acts_as_chunky_bacon]
+      end
+      assert_plugins [:stubby, :a, :engine, :gemlike, :plugin_with_no_lib_dir, :acts_as_chunky_bacon], Rails.application.config.loaded_plugins, @failure_tip
+    end
+
+    test "plugin names may be strings" do
+      plugin_names = ['stubby', 'acts_as_chunky_bacon', :a, :plugin_with_no_lib_dir]
+      Rails::Initializer.run do |config|
+        config.plugins = ['stubby', 'acts_as_chunky_bacon', :a, :plugin_with_no_lib_dir]
+      end
+
+      assert_plugins plugin_names, Rails.application.config.loaded_plugins, @failure_tip
+    end
+
+    test "all plugins loaded when all is used" do
+      Rails::Initializer.run do |config|
+        config.plugins = [:stubby, :acts_as_chunky_bacon, :all]
+      end
+      
+      assert_plugins [:stubby, :acts_as_chunky_bacon, :a, :engine, :gemlike, :plugin_with_no_lib_dir], Rails.application.config.loaded_plugins, @failure_tip
+    end
+
+    test "all loaded plugins are added to the load paths" do
+      Rails::Initializer.run do |config|
+        config.plugins = [:stubby, :acts_as_chunky_bacon]
+      end
+
+      assert $LOAD_PATH.include?("#{app_path}/vendor/plugins/default/stubby/lib")
+      assert $LOAD_PATH.include?("#{app_path}/vendor/plugins/default/acts/acts_as_chunky_bacon/lib")
+    end
+
+    test "registering a plugin name that does not exist raises a load error" do
+      assert_raise(LoadError) do
+        Rails::Initializer.run do |config|
+          config.plugins = [:stubby, :acts_as_a_non_existant_plugin]
+        end
+      end
+    end
+
+    test "load error messages mention missing plugins and no others" do
+      valid_plugins   = [:stubby, :acts_as_chunky_bacon]
+      invalid_plugins = [:non_existant_plugin1, :non_existant_plugin2]
+
+      begin
+        Rails::Initializer.run do |config|
+          config.plugins = [:stubby, :acts_as_chunky_bacon, :non_existant_plugin1, :non_existant_plugin2]
+        end
+        flunk "Expected a LoadError but did not get one"
+      rescue LoadError => e
+        assert_plugins valid_plugins, Rails.application.config.loaded_plugins, @failure_tip
+
+        invalid_plugins.each do |plugin|
+          assert_match(/#{plugin.to_s}/, e.message, "LoadError message should mention plugin '#{plugin}'")
+        end
+
+        valid_plugins.each do |plugin|
+          assert_no_match(/#{plugin.to_s}/, e.message, "LoadError message should not mention '#{plugin}'")
+        end
+      end
+    end
+
+  end
+end
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