Register helper and view tests for minitest's spec DSL

actionpack/lib/action_view/test_case.rb

@@ -30,6 +30,9 @@ def initialize
       end
     end
 
+    # Use AV::TestCase for the base class for helpers and views
+    register_spec_type(/(Helper|View)( ?Test)?\z/i, self)
+
     module Behavior
       extend ActiveSupport::Concern
 

actionpack/test/template/spec_type_test.rb

+require 'abstract_unit'
+
+class SpecTypeTest < ActiveSupport::TestCase
+  def assert_view actual
+    assert_equal ActionView::TestCase, actual
+  end
+
+  def refute_view actual
+    refute_equal ActionView::TestCase, actual
+  end
+
+  def test_spec_type_resolves_for_matching_helper_strings
+    assert_view MiniTest::Spec.spec_type("WidgetHelper")
+    assert_view MiniTest::Spec.spec_type("WidgetHelperTest")
+    assert_view MiniTest::Spec.spec_type("Widget Helper Test")
+    # And is not case sensitive
+    assert_view MiniTest::Spec.spec_type("widgethelper")
+    assert_view MiniTest::Spec.spec_type("widgethelpertest")
+    assert_view MiniTest::Spec.spec_type("widget helper test")
+  end
+
+  def test_spec_type_resolves_for_matching_view_strings
+    assert_view MiniTest::Spec.spec_type("WidgetView")
+    assert_view MiniTest::Spec.spec_type("WidgetViewTest")
+    assert_view MiniTest::Spec.spec_type("Widget View Test")
+    # And is not case sensitive
+    assert_view MiniTest::Spec.spec_type("widgetview")
+    assert_view MiniTest::Spec.spec_type("widgetviewtest")
+    assert_view MiniTest::Spec.spec_type("widget view test")
+  end
+
+  def test_spec_type_wont_match_non_space_characters
+    refute_view MiniTest::Spec.spec_type("Widget Helper\tTest")
+    refute_view MiniTest::Spec.spec_type("Widget Helper\rTest")
+    refute_view MiniTest::Spec.spec_type("Widget Helper\nTest")
+    refute_view MiniTest::Spec.spec_type("Widget Helper\fTest")
+    refute_view MiniTest::Spec.spec_type("Widget HelperXTest")
+  end
+end