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Diffstat (limited to 'actionpack/test/template/lookup_context_test.rb')
-rw-r--r-- | actionpack/test/template/lookup_context_test.rb | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/actionpack/test/template/lookup_context_test.rb b/actionpack/test/template/lookup_context_test.rb new file mode 100644 index 0000000000..bf07735724 --- /dev/null +++ b/actionpack/test/template/lookup_context_test.rb @@ -0,0 +1,167 @@ +require "abstract_unit" +require "abstract_controller/rendering" + +ActionView::LookupContext::DetailsKey.class_eval do + def self.details_keys + @details_keys + end +end + +class LookupContextTest < ActiveSupport::TestCase + def setup + @lookup_context = ActionView::LookupContext.new(FIXTURE_LOAD_PATH, {}) + end + + def teardown + I18n.locale = :en + ActionView::LookupContext::DetailsKey.details_keys.clear + end + + test "process view paths on initialization" do + assert_kind_of ActionView::PathSet, @lookup_context.view_paths + end + + test "normalizes details on initialization" do + formats = Mime::SET + [nil] + locale = [I18n.locale, nil] + assert_equal Hash[:formats => formats, :locale => locale], @lookup_context.details + end + + test "allows me to set details" do + @lookup_context.details = { :formats => [:html], :locale => :pt } + assert_equal Hash[:formats => [:html, nil], :locale => [:pt, nil]], @lookup_context.details + end + + test "does not allow details to be modified in place" do + assert_raise TypeError do + @lookup_context.details.clear + end + end + + test "allows me to update an specific detail" do + @lookup_context.update_details(:locale => :pt) + assert_equal :pt, I18n.locale + formats = Mime::SET + [nil] + locale = [I18n.locale, nil] + assert_equal Hash[:formats => formats, :locale => locale], @lookup_context.details + end + + test "allows me to change some details to execute an specific block of code" do + formats = Mime::SET + [nil] + @lookup_context.update_details(:locale => :pt) do + assert_equal Hash[:formats => formats, :locale => [:pt, nil]], @lookup_context.details + end + assert_equal Hash[:formats => formats, :locale => [:en, nil]], @lookup_context.details + end + + test "provides getters and setters for formats" do + @lookup_context.formats = :html + assert_equal [:html], @lookup_context.formats + end + + test "handles */* formats" do + @lookup_context.formats = [:"*/*"] + assert_equal Mime::SET, @lookup_context.formats + end + + test "provides getters and setters for locale" do + @lookup_context.locale = :pt + assert_equal :pt, @lookup_context.locale + end + + test "changing lookup_context locale, changes I18n.locale" do + @lookup_context.locale = :pt + assert_equal :pt, I18n.locale + end + + test "delegates changing the locale to the I18n configuration object if it contains a lookup_context object" do + begin + I18n.config = AbstractController::I18nProxy.new(I18n.config, @lookup_context) + @lookup_context.locale = :pt + assert_equal :pt, I18n.locale + assert_equal :pt, @lookup_context.locale + ensure + I18n.config = I18n.config.i18n_config + end + + assert_equal :pt, I18n.locale + end + + test "find templates using the given view paths and configured details" do + template = @lookup_context.find("hello_world", "test") + assert_equal "Hello world!", template.source + + @lookup_context.locale = :da + template = @lookup_context.find("hello_world", "test") + assert_equal "Hey verden", template.source + end + + test "adds fallbacks to view paths when required" do + assert_equal 1, @lookup_context.view_paths.size + + @lookup_context.with_fallbacks do + assert_equal 3, @lookup_context.view_paths.size + assert @lookup_context.view_paths.include?(ActionView::FileSystemResolver.new("")) + assert @lookup_context.view_paths.include?(ActionView::FileSystemResolver.new("/")) + end + end + + test "add fallbacks just once in nested fallbacks calls" do + @lookup_context.with_fallbacks do + @lookup_context.with_fallbacks do + assert_equal 3, @lookup_context.view_paths.size + end + end + end + + test "generates a new details key for each details hash" do + keys = [] + keys << @lookup_context.details_key + assert_equal 1, keys.uniq.size + + @lookup_context.locale = :da + keys << @lookup_context.details_key + assert_equal 2, keys.uniq.size + + @lookup_context.locale = :en + keys << @lookup_context.details_key + assert_equal 2, keys.uniq.size + + @lookup_context.formats = :html + keys << @lookup_context.details_key + assert_equal 3, keys.uniq.size + + @lookup_context.formats = nil + keys << @lookup_context.details_key + assert_equal 3, keys.uniq.size + end + + test "gives the key forward to the resolver, so it can be used as cache key" do + @lookup_context.view_paths = ActionView::FixtureResolver.new("test/_foo.erb" => "Foo") + template = @lookup_context.find("foo", "test", true) + assert_equal "Foo", template.source + + # Now we are going to change the template, but it won't change the returned template + # since we will hit the cache. + @lookup_context.view_paths.first.hash["test/_foo.erb"] = "Bar" + template = @lookup_context.find("foo", "test", true) + assert_equal "Foo", template.source + + # This time we will change the locale. The updated template should be picked since + # lookup_context generated a new key after we changed the locale. + @lookup_context.locale = :da + template = @lookup_context.find("foo", "test", true) + assert_equal "Bar", template.source + + # Now we will change back the locale and it will still pick the old template. + # This is expected because lookup_context will reuse the previous key for :en locale. + @lookup_context.locale = :en + template = @lookup_context.find("foo", "test", true) + assert_equal "Foo", template.source + + # Finally, we can expire the cache. And the expected template will be used. + @lookup_context.view_paths.first.clear_cache + template = @lookup_context.find("foo", "test", true) + assert_equal "Bar", template.source + end +end
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