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author | Aaron Patterson <aaron.patterson@gmail.com> | 2019-06-13 09:37:49 -0700 |
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committer | GitHub <noreply@github.com> | 2019-06-13 09:37:49 -0700 |
commit | 3683a828dc69e871aa9d2e3ed189e1630935b5ad (patch) | |
tree | 74ef99e266229178266b9baa137d0579356d2dfa /actionview/test | |
parent | 5a8714e559dd4d4058d23bd0d427a9d3e6022617 (diff) | |
parent | c221b5b448569771678279216360460e066095a7 (diff) | |
download | rails-3683a828dc69e871aa9d2e3ed189e1630935b5ad.tar.gz rails-3683a828dc69e871aa9d2e3ed189e1630935b5ad.tar.bz2 rails-3683a828dc69e871aa9d2e3ed189e1630935b5ad.zip |
Merge pull request #36388 from joelhawksley/actionview-component
Introduce ActionView::Component
Diffstat (limited to 'actionview/test')
-rw-r--r-- | actionview/test/lib/test_component.rb | 46 | ||||
-rw-r--r-- | actionview/test/template/render_test.rb | 17 |
2 files changed, 63 insertions, 0 deletions
diff --git a/actionview/test/lib/test_component.rb b/actionview/test/lib/test_component.rb new file mode 100644 index 0000000000..493b9487b1 --- /dev/null +++ b/actionview/test/lib/test_component.rb @@ -0,0 +1,46 @@ +# frozen_string_literal: true + +class TestComponent < ActionView::Base + include ActiveModel::Validations + + validates :content, :title, presence: true + delegate :render, to: :view_context + + def initialize(title:) + @title = title + end + + # Entrypoint for rendering. Called by ActionView::RenderingHelper#render. + # + # Returns ActionView::OutputBuffer. + def render_in(view_context, &block) + self.class.compile + @view_context = view_context + @content = view_context.capture(&block) if block_given? + validate! + rendered_template + end + + def self.template + <<~'erb' + <span title="<%= title %>"><%= content %> (<%= render(plain: "Inline render") %>)</span> + erb + end + + def self.compile + @compiled ||= nil + return if @compiled + + class_eval( + "def rendered_template; @output_buffer = ActionView::OutputBuffer.new; " + + ActionView::Template::Handlers::ERB.erb_implementation.new(template, trim: true).src + + "; end" + ) + + @compiled = true + end + +private + + attr_reader :content, :title, :view_context +end diff --git a/actionview/test/template/render_test.rb b/actionview/test/template/render_test.rb index 2235a7816f..c82264a170 100644 --- a/actionview/test/template/render_test.rb +++ b/actionview/test/template/render_test.rb @@ -2,6 +2,8 @@ require "abstract_unit" require "controller/fake_models" +require "test_component" +require "active_model/validations" class TestController < ActionController::Base end @@ -670,6 +672,21 @@ module RenderTestCases def test_render_throws_exception_when_no_extensions_passed_to_register_template_handler_function_call assert_raises(ArgumentError) { ActionView::Template.register_template_handler CustomHandler } end + + def test_render_component + assert_equal( + %(<span title="my title">Hello, World! (Inline render)</span>), + @view.render(TestComponent.new(title: "my title")) { "Hello, World!" }.strip + ) + end + + def test_render_component_with_validation_error + error = assert_raises(ActiveModel::ValidationError) do + @view.render(TestComponent.new(title: "my title")).strip + end + + assert_match "Content can't be blank", error.message + end end class CachedViewRenderTest < ActiveSupport::TestCase |