adding new matcher and a nearly-bare texture spec

Author: ellmo

lib/hemi/render/texture.rb

@@ -2,7 +2,7 @@ module Hemi::Render
   class Texture
     ERR__INVALID_POSITION = "Ivalid position.".freeze
 
-    def initialize(name)
+    def initialize
       raise NotImplementedError
     end
 

spec/hemi/render/font_spec.rb

@@ -1,4 +1,4 @@
-describe Hemi::Render::Font, fake_display: true  do
+describe Hemi::Render::Font, fake_display: true do
   shared_examples "font initialization and registration" do
     before { described_class.purge! }
 

spec/hemi/render/sprite_spec.rb

@@ -1,4 +1,4 @@
-describe Hemi::Render::Sprite, fake_display: true  do
+describe Hemi::Render::Sprite, fake_display: true do
   shared_examples "sprite initialization and registration" do
     before { described_class.purge! }
 

spec/hemi/render/texture_spec.rb

@@ -0,0 +1,5 @@
+describe Hemi::Render::Texture do
+  describe "abstract class" do
+    it { expect(described_class).to be_abstract }
+  end
+end

spec/support/matchers/abstract_class.rb

@@ -0,0 +1,8 @@
+RSpec::Matchers.define :be_abstract do
+  match do |actual|
+    actual.new
+    false
+  rescue NotImplementedError => _e
+    true
+  end
+end