require 'abstract_unit' require 'action_view/dependency_tracker' class NeckbeardTracker def self.call(name, template) ["foo/#{name}"] end end class FakeTemplate attr_reader :source, :handler def initialize(source, handler = Neckbeard) @source, @handler = source, handler end end Neckbeard = lambda {|template| template.source } Bowtie = lambda {|template| template.source } class DependencyTrackerTest < ActionView::TestCase def tracker ActionView::DependencyTracker end def setup ActionView::Template.register_template_handler :neckbeard, Neckbeard tracker.register_tracker(:neckbeard, NeckbeardTracker) end def teardown ActionView::Template.unregister_template_handler :neckbeard tracker.remove_tracker(:neckbeard) end def test_finds_tracker_by_template_handler template = FakeTemplate.new("boo/hoo") dependencies = tracker.find_dependencies("boo/hoo", template) assert_equal ["foo/boo/hoo"], dependencies end def test_returns_empty_array_if_no_tracker_is_found template = FakeTemplate.new("boo/hoo", Bowtie) dependencies = tracker.find_dependencies("boo/hoo", template) assert_equal [], dependencies end end class ERBTrackerTest < Minitest::Test def make_tracker(name, template) ActionView::DependencyTracker::ERBTracker.new(name, template) end def test_dependency_of_erb_template_with_number_in_filename template = FakeTemplate.new("<%# render 'messages/message123' %>", :erb) tracker = make_tracker("messages/_message123", template) assert_equal ["messages/message123"], tracker.dependencies end def test_dependency_of_template_partial_with_layout template = FakeTemplate.new("<%# render partial: 'messages/show', layout: 'messages/layout' %>", :erb) tracker = make_tracker("multiple/_dependencies", template) assert_equal ["messages/layout", "messages/show"], tracker.dependencies end def test_dependency_of_template_layout_standalone template = FakeTemplate.new("<%# render layout: 'messages/layout' do %>", :erb) tracker = make_tracker("messages/layout", template) assert_equal ["messages/layout"], tracker.dependencies end def test_finds_dependency_in_correct_directory template = FakeTemplate.new("<%# render(message.topic) %>", :erb) tracker = make_tracker("messages/_message", template) assert_equal ["topics/topic"], tracker.dependencies end def test_finds_dependency_in_correct_directory_with_underscore template = FakeTemplate.new("<%# render(message_type.messages) %>", :erb) tracker = make_tracker("message_types/_message_type", template) assert_equal ["messages/message"], tracker.dependencies end def test_dependency_of_erb_template_with_no_spaces_after_render template = FakeTemplate.new("<%# render'messages/message' %>", :erb) tracker = make_tracker("messages/_message", template) assert_equal ["messages/message"], tracker.dependencies end def test_finds_no_dependency_when_render_begins_the_name_of_an_identifier template = FakeTemplate.new("<%# rendering 'it useless' %>", :erb) tracker = make_tracker("resources/_resource", template) assert_equal [], tracker.dependencies end def test_finds_no_dependency_when_render_ends_the_name_of_another_method template = FakeTemplate.new("<%# surrender 'to reason' %>", :erb) tracker = make_tracker("resources/_resource", template) assert_equal [], tracker.dependencies end def test_finds_dependency_on_multiline_render_calls template = FakeTemplate.new("<%# render :object => @all_posts, :partial => 'posts' %>", :erb) tracker = make_tracker("some/_little_posts", template) assert_equal ["some/posts"], tracker.dependencies end def test_finds_multiple_unrelated_odd_dependencies template = FakeTemplate.new(" <%# render('shared/header', title: 'Title') %>

Section title

<%# render@section %> ", :erb) tracker = make_tracker("multiple/_dependencies", template) assert_equal ["shared/header", "sections/section"], tracker.dependencies end def test_finds_dependencies_for_all_kinds_of_identifiers template = FakeTemplate.new(" <%# render $globals %> <%# render @instance_variables %> <%# render @@class_variables %> ", :erb) tracker = make_tracker("identifiers/_all", template) assert_equal [ "globals/global", "instance_variables/instance_variable", "class_variables/class_variable" ], tracker.dependencies end def test_finds_dependencies_on_method_chains template = FakeTemplate.new("<%# render @parent.child.grandchildren %>", :erb) tracker = make_tracker("method/_chains", template) assert_equal ["grandchildren/grandchild"], tracker.dependencies end def test_finds_dependencies_with_special_characters template = FakeTemplate.new("<%# render @pokémon, partial: 'ピカチュウ' %>", :erb) tracker = make_tracker("special/_characters", template) assert_equal ["special/ピカチュウ"], tracker.dependencies end def test_finds_dependencies_with_quotes_within template = FakeTemplate.new(%{ <%# render "single/quote's" %> <%# render 'double/quote"s' %> }, :erb) tracker = make_tracker("quotes/_single_and_double", template) assert_equal ["single/quote's", 'double/quote"s'], tracker.dependencies end def test_finds_dependencies_with_extra_spaces template = FakeTemplate.new(%{ <%= render "header" %> <%= render partial: "form" %> <%= render @message %> <%= render ( @message.events ) %> <%= render :collection => @message.comments, :partial => "comments/comment" %> }, :erb) tracker = make_tracker("spaces/_extra", template) assert_equal [ "spaces/header", "spaces/form", "messages/message", "events/event", "comments/comment" ], tracker.dependencies end end