Reapply the TemplateFinder first applied in [8669] then reverted in [8676]. Closes #10800 [lifofifo]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8683 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

1 files changed, 43 insertions, 0 deletions

diff --git a/actionpack/test/template/template_finder_test.rb b/actionpack/test/template/template_finder_test.rb
new file mode 100644
index 0000000000..c1da5be0f4
--- /dev/null
+++ b/actionpack/test/template/template_finder_test.rb
@@ -0,0 +1,43 @@
+require 'abstract_unit'
+
+class TemplateFinderTest < Test::Unit::TestCase
+
+  LOAD_PATH_ROOT = File.join(File.dirname(__FILE__), '..', 'fixtures')
+
+  def setup
+    ActionView::TemplateFinder.process_view_paths(LOAD_PATH_ROOT)
+    ActionView::Base::register_template_handler :mab, Class.new(ActionView::TemplateHandler)
+    @template = ActionView::Base.new
+    @finder = ActionView::TemplateFinder.new(@template, LOAD_PATH_ROOT)
+  end
+
+  def test_should_raise_exception_for_unprocessed_view_path
+    assert_raises ActionView::TemplateFinder::InvalidViewPath do
+      ActionView::TemplateFinder.new(@template, File.dirname(__FILE__))
+    end
+  end
+
+  def test_should_cache_file_extension_properly
+    assert_equal ["builder", "erb", "rhtml", "rjs", "rxml", "mab"].sort,
+                 ActionView::TemplateFinder.file_extension_cache[LOAD_PATH_ROOT].values.flatten.uniq.sort
+
+    assert_equal Dir.glob("#{LOAD_PATH_ROOT}/**/*.{erb,rjs,rjs,builder,rxml,mab}").size,
+                 ActionView::TemplateFinder.file_extension_cache[LOAD_PATH_ROOT].keys.size
+  end
+
+  def test_should_cache_dir_content_properly
+    assert ActionView::TemplateFinder.processed_view_paths[LOAD_PATH_ROOT]
+    assert_equal Dir.glob("#{LOAD_PATH_ROOT}/**/*").find_all {|f| !File.directory?(f) }.size,
+                 ActionView::TemplateFinder.processed_view_paths[LOAD_PATH_ROOT].size
+  end
+
+  uses_mocha 'Template finder tests' do
+
+    def test_should_update_extension_cache_when_template_handler_is_registered
+      ActionView::TemplateFinder.expects(:update_extension_cache_for).with("funky")
+      ActionView::Base::register_template_handler :funky, Class.new(ActionView::TemplateHandler)
+    end
+
+  end
+
+end