require "abstract_unit" class CompiledTemplatesTest < ActiveSupport::TestCase teardown do ActionView::LookupContext::DetailsKey.clear end def test_template_with_nil_erb_return assert_equal "This is nil: \n", render(template: "test/nil_return") 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