Adds render tests

Author: lindseywild

test/lib/primer/forms/text_area_input_test.rb

@@ -33,6 +33,18 @@ def test_no_error_markup
     refute_selector ".field_with_errors", visible: :all
   end
 
+  def test_renders_character_limit_form
+    render_in_view_context do
+      primer_form_with(url: "/foo") do |f|
+        render(TextAreaWithCharacterLimitForm.new(f))
+      end
+    end
+
+    assert_selector "primer-text-area"
+    assert_selector "textarea[name=bio]"
+    assert_selector "div.FormControl-caption--characterLimit[data-max-length='100']"
+  end
+
   def test_character_limit
     render_in_view_context do
       primer_form_with(url: "/foo") do |f|

test/lib/primer/forms/text_field_input_test.rb

@@ -61,6 +61,18 @@ def test_enforces_leading_visual_when_spinner_requested
     assert_includes error.message, "must also specify a leading visual"
   end
 
+  def test_renders_character_limit_form
+    render_in_view_context do
+      primer_form_with(url: "/foo") do |f|
+        render(TextFieldWithCharacterLimitForm.new(f))
+      end
+    end
+
+    assert_selector "primer-text-field"
+    assert_selector "input[name=username]"
+    assert_selector "div.FormControl-caption--characterLimit[data-max-length='20']"
+  end
+
   def test_character_limit
     render_in_view_context do
       primer_form_with(url: "/foo") do |f|
@@ -117,7 +129,7 @@ def test_character_limit_with_caption
       end
     end
 
-    assert_selector "div.FormControl-caption--characterLimit", text: "20 characters remaining."
+    assert_selector "div.FormControl-caption--characterLimit[aria-hidden='true']", text: "20 characters remaining."
     assert_selector "span.FormControl-caption", text: "Choose a unique username"
   end
 end