1 files changed, 62 insertions, 0 deletions
diff --git a/actionview/test/template/compiled_templates_test.rb b/actionview/test/template/compiled_templates_test.rb
new file mode 100644
index 0000000000..2336321f3e
--- /dev/null
+++ b/actionview/test/template/compiled_templates_test.rb
@@ -0,0 +1,62 @@
+require 'abstract_unit'
+
+class CompiledTemplatesTest < ActiveSupport::TestCase
+  def setup
+    # Clean up any details key cached to expose failures
+    # that otherwise would appear just on isolated tests
+    ActionView::LookupContext::DetailsKey.clear
+
+    @compiled_templates = ActionView::CompiledTemplates
+    @compiled_templates.instance_methods.each do |m|
+      @compiled_templates.send(:remove_method, m) if m =~ /^_render_template_/
+    end
+  end
+
+  def test_template_gets_recompiled_when_using_different_keys_in_local_assigns
+    assert_equal "one", render(:file => "test/render_file_with_locals_and_default")
+    assert_equal "two", render(:file => "test/render_file_with_locals_and_default", :locals => { :secret => "two" })
+  end
+
+  def test_template_changes_are_not_reflected_with_cached_templates
+    assert_equal "Hello world!", render(:file => "test/hello_world")
+    modify_template "test/hello_world.erb", "Goodbye world!" do
+      assert_equal "Hello world!", render(:file => "test/hello_world")
+    end
+    assert_equal "Hello world!", render(:file => "test/hello_world")
+  end
+
+  def test_template_changes_are_reflected_with_uncached_templates
+    assert_equal "Hello world!", render_without_cache(:file => "test/hello_world")
+    modify_template "test/hello_world.erb", "Goodbye world!" do
+      assert_equal "Goodbye world!", render_without_cache(:file => "test/hello_world")
+    end
+    assert_equal "Hello world!", render_without_cache(:file => "test/hello_world")
+  end
+
+  private
+    def render(*args)
+      render_with_cache(*args)
+    end
+
+    def render_with_cache(*args)
+      view_paths = ActionController::Base.view_paths
+      ActionView::Base.new(view_paths, {}).render(*args)
+    end
+
+    def render_without_cache(*args)
+      path = ActionView::FileSystemResolver.new(FIXTURE_LOAD_PATH)
+      view_paths = ActionView::PathSet.new([path])
+      ActionView::Base.new(view_paths, {}).render(*args)
+    end
+
+    def modify_template(template, content)
+      filename = "#{FIXTURE_LOAD_PATH}/#{template}"
+      old_content = File.read(filename)
+      begin
+        File.open(filename, "wb+") { |f| f.write(content) }
+        yield
+      ensure
+        File.open(filename, "wb+") { |f| f.write(old_content) }
+      end
+    end
+end