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_with_ruby_keyword_locals assert_equal "The class is foo", render(file: "test/render_file_with_ruby_keyword_locals", locals: { class: "foo" }) end def test_template_with_invalid_identifier_locals locals = { foo: "bar", Foo: "bar", "d-a-s-h-e-s": "", "white space": "", } assert_equal locals.inspect, render(file: "test/render_file_inspect_local_assigns", locals: locals) end def test_template_with_delegation_reserved_keywords locals = { _: "one", arg: "two", args: "three", block: "four", } assert_equal "one two three four", render(file: "test/test_template_with_delegation_reserved_keywords", locals: locals) end def test_template_with_unicode_identifier assert_equal "🎂", render(file: "test/render_file_unicode_local", locals: { 🎃: "🎂" }) end def test_template_with_instance_variable_identifier assert_equal "bar", render(file: "test/render_file_instance_variable", locals: { "@foo": "bar" }) 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