spec/gnawrnip/screenshot_spec.rb in gnawrnip-0.2.0 vs spec/gnawrnip/screenshot_spec.rb in gnawrnip-0.2.1

@@ -1,44 +1,25 @@
 require 'spec_helper'
 require 'gnawrnip/screenshot'
 
 module Gnawrnip
   describe Screenshot do
-    describe '.take' do
-      subject { Screenshot.take.read }
-
-      context 'No given max frame size' do
+    context 'Not support save_screenshot' do
+      describe '.tale' do
         before do
-          Screenshot.stub(:need_resize?) { false }
-          Screenshot.should_not_receive(:resize)
-        end
-
-        # see GnawrnipTestSession::save_screenshot
-        it { should == "screenshot" }
-      end
-
-      context 'No given max frame size' do
-        before do
-          Screenshot.stub(:need_resize?) { true }
-          Screenshot.should_receive(:resize)
-        end
-
-        it { should == "screenshot" }
-      end
-
-      context 'not support save_screenshot' do
-        before do
           GnawrnipTest::Session.any_instance.stub(:save_screenshot) do
             raise Capybara::NotSupportedByDriverError
           end
         end
 
         subject { lambda { Screenshot.take } }
         it { should raise_error Capybara::NotSupportedByDriverError }
       end
+    end
 
-      context 'raise unknown error' do
+    context 'raise unknown error' do
+      describe '.take' do
         before do
           GnawrnipTest::Session.any_instance.stub(:save_screenshot) do
             raise Timeout::Error
           end
         end
@@ -57,9 +38,74 @@
             }
           end
 
           it { should raise_error Timeout::Error }
         end
+      end
+    end
+
+    context 'No given Gnawrnip.max_frame_size' do
+      describe '.take' do
+        subject { Screenshot.take.read }
+
+        context 'No given max frame size' do
+          before do
+            Gnawrnip.max_frame_size = nil
+            Screenshot.should_not_receive(:resize)
+          end
+
+          it { should == "screenshot" }
+        end
+      end
+    end
+
+    context 'Given Gnawrnip.max_frame_size' do
+      before do
+        OilyPNG::Canvas.stub(:from_file) { oily_png }
+      end
+
+      subject { Screenshot.take.read }
+
+      context 'width larger than height.' do
+        let(:oily_png) do
+          oily_png = double('oily_png', width: 640, height: 480, save: nil)
+          oily_png.should_receive(:resample_bilinear!).with(300, 225)
+          oily_png
+        end
+
+        before do
+          Gnawrnip.max_frame_size = 300
+        end
+
+        it { should == "screenshot" }
+      end
+
+      context 'height larger than width.' do
+        let(:oily_png) do
+          oily_png = double('oily_png', width: 480, height: 640, save: nil)
+          oily_png.should_receive(:resample_bilinear!).with(300, 400)
+          oily_png
+        end
+
+        before do
+          Gnawrnip.max_frame_size = 400
+        end
+
+        it { should == "screenshot" }
+      end
+
+      context 'Given max_frame_size larger than original.' do
+        let(:oily_png) do
+          oily_png = double('oily_png', width: 640, height: 480, save: nil)
+          oily_png.should_receive(:resample_bilinear!).with(640, 480)
+          oily_png
+        end
+
+        before do
+          Gnawrnip.max_frame_size = 1024
+        end
+
+        it { should == "screenshot" }
       end
     end
   end
 end