WpTimthumb::Existable specs

spec/shared_examples/wp_timthumb_existable.rb

@@ -0,0 +1,37 @@
+# encoding: UTF-8
+
+shared_examples 'WpTimthumb::Existable' do
+
+  describe 'exists_from_response?' do
+    after do
+      response = Typhoeus::Response.new(@resp_opt)
+      subject.send(:exists_from_response?, response).should == @expected
+    end
+
+    context 'when the status is not a 400' do
+      it 'returns false' do
+        @resp_opt = { code: 200 }
+        @expected = false
+      end
+    end
+
+    context 'when the status is a 400' do
+      let(:opt) { { code: 400 } }
+
+      context 'when the body contains "no image specified"' do
+        it 'returns true' do
+          @resp_opt = opt.merge(body: 'The following error(s) occured:<br/>No image specified')
+          @expected = true
+        end
+      end
+
+      context 'otherwise' do
+        it 'returns false' do
+          @resp_opt = opt.merge(body: 'im a fake one, hehe')
+          @expected = false
+        end
+      end
+    end
+  end
+
+end