part_spec.rb in music-transcription-0.7.0

- old
+ new
@@ -1,91 +1,22 @@
 require File.expand_path(File.dirname(__FILE__) + '/spec_helper')
 
 describe Part do
-  context '.new' do
-    it 'should have no notes' do
-      Part.new.notes.should be_empty
+  context '#initialize' do
+    it 'should use empty containers for parameters not given' do
+      p = Part.new(Dynamics::MP)
+      p.notes.should be_empty
+      p.dynamic_changes.should be_empty
     end
-
-    it "should assign dynamic profile given during construction" do
-      profile = Profile.new(Dynamics::FFF, { 1.0 => Change::Immediate.new(Dynamics::PP) })
-      part = Part.new notes:[Note.new(1.to_r)], dynamic_profile: profile
-      part.dynamic_profile.should eq(profile)
-    end  
     
-    it "should assign notes given during construction" do
-      notes = [ Note::Quarter.new([C1,D1]) ]
-      part = Part.new notes: notes
-      part.notes.should eq(notes)
-    end
-  end
-  
-  describe '#stretch' do
-    before :all do
-      p = Part.new(
-        notes: [ Note::Quarter.new, Note::Whole.new, Note::Eighth.new ],
-        dynamic_profile: Profile.new(
-          Dynamics::PP,
-          "1/2".to_r => Change::Immediate.new(Dynamics::MP),
-          "3/4".to_r => Change::Immediate.new(Dynamics::FF)
-        )
-      )
-      @p1 = p.stretch(1)
-      @p2 = p.stretch("5/3".to_r)
-      @p3 = p.stretch("3/5".to_r)
-    end
-    
-    it 'should multiply durations by ratio' do
-      @p1.notes.map {|n| n.duration }.should eq(["1/4".to_r, "1/1".to_r, "1/8".to_r])
-      @p2.notes.map {|n| n.duration }.should eq(["5/12".to_r, "5/3".to_r, "5/24".to_r])
-      @p3.notes.map {|n| n.duration }.should eq(["3/20".to_r, "3/5".to_r, "3/40".to_r])
-    end
-    
-    it 'should multiply dynamic profile changes by ratio' do
-      @p1.dynamic_profile.value_changes.should have_key("1/2".to_r)
-      @p1.dynamic_profile.value_changes.should have_key("3/4".to_r)
-
-      @p2.dynamic_profile.value_changes.should have_key("5/6".to_r)
-      @p2.dynamic_profile.value_changes.should have_key("15/12".to_r)
+    it "should assign parameters given during construction" do
+      p = Part.new(Dynamics::PPP)
+      p.start_dynamic.should eq Dynamics::PPP
       
-      @p3.dynamic_profile.value_changes.should have_key("3/10".to_r)
-      @p3.dynamic_profile.value_changes.should have_key("9/20".to_r)
-    end
-  end
-  
-  describe '#append!' do
-    it 'should add other notes to current array' do
-      p1 = Part.new(notes: [Note::Eighth.new([C4])])
-      p2 = Part.new(notes: [Note::Eighth.new([E4])])
-      p1.append! p2
-      p1.notes.size.should be 2
-      p1.notes[0].pitches[0].should eq C4
-      p1.notes[1].pitches[0].should eq E4
-    end
-    
-    it 'should add start dynamic from given part as immediate dynamic change' do
-      p1 = Part.new(notes: [Note::Eighth.new])
-      p2 = Part.new(notes: [Note::Eighth.new], dynamic_profile: Profile.new(Dynamics::PPP))
-      p1.append! p2
-      p1.dynamic_profile.value_changes.size.should eq 1
-      p1.dynamic_profile.value_changes[Rational(1,8)].should be_a Change::Immediate
-      p1.dynamic_profile.value_changes[Rational(1,8)].value.should eq Dynamics::PPP
-    end
-    
-    it 'should add shifted dynamic changes from given part' do
-      p1 = Part.new(notes: [Note::Whole.new])
-      p2 = Part.new(
-        notes: [Note::Whole.new],
-        dynamic_profile: Profile.new(
-          Dynamics::PPP,
-          Rational(1,8) => Change::Gradual.new(Dynamics::PP,Rational(1,8)),
-          Rational(3,8) => Change::Immediate.new(Dynamics::P)
-        )
-      )
-      p1.append! p2
-      p1.dynamic_profile.value_changes.size.should eq 3
-      p1.dynamic_profile.value_changes[Rational(1,1)].value.should eq Dynamics::PPP
-      p1.dynamic_profile.value_changes[Rational(9,8)].value.should eq Dynamics::PP
-      p1.dynamic_profile.value_changes[Rational(11,8)].value.should eq Dynamics::P
+      notes = [Note::Whole.new([A2]), Note::Half.new]
+      dcs = { "1/2".to_r => Change::Immediate.new(Dynamics::P), 1 => Change::Gradual.new(Dynamics::MF,1) }
+      p = Part.new(Dynamics::FF, notes: notes, dynamic_changes: dcs)
+      p.notes.should eq notes
+      p.dynamic_changes.should eq dcs
     end
   end
 end