spec/note_spec.rb in music-transcription-0.5.6 vs spec/note_spec.rb in music-transcription-0.5.7

@@ -3,11 +3,11 @@
 describe Note do
   before :all do
     @pitch = C4
   end
   
-  context '.new' do
+  describe '.new' do
     it 'should assign :duration that is given during construction' do
       note = Note.new 2
       note.duration.should eq(2)
     end
     
@@ -26,13 +26,49 @@
       n.pitches.should include(pitches[0])
       n.pitches.should include(pitches[1])
     end
   end
   
-  context '#duration=' do
+  describe '#duration=' do
     it 'should assign duration' do
       note = Note.new 2, [@pitch]
       note.duration = 3
       note.duration.should eq 3
     end
-  end  
+  end
+  
+  describe '#transpose!' do
+    context 'transpose_link_targets set false' do
+      context 'given pitch diff' do
+        before(:all) do
+          @note = Note::Quarter.new([C2,F2], links:{C2=>Link::Slur.new(D2)})
+          @diff = Pitch.new(semitone: 4)
+          @note.transpose! @diff, false
+        end
+        
+        it 'should modifiy pitches by adding pitch diff' do
+          @note.pitches[0].should eq E2
+          @note.pitches[1].should eq A2
+        end
+        
+        it 'should not affect link targets' do
+          @note.links.should have_key(E2)
+          @note.links[E2].target_pitch.should eq(D2)
+        end
+      end
+      
+      context 'given integer diff' do
+        it 'should transpose the given number of semitones' do
+          Note::Quarter.new([C2]).transpose!(4,false).pitches[0].should eq(E2)
+        end
+      end
+    end
+  end
+  
+  context 'transpose_link_targets set true' do
+    it 'should also transpose link targets' do
+      note = Note::Quarter.new([C2,F2], links:{C2=>Link::Slur.new(D2)})
+      note.transpose!(2,true)
+      note.links[D2].target_pitch.should eq(E2)
+    end
+  end
 end