spec/sugar-high/array_spec.rb in sugar-high-0.4.0 vs spec/sugar-high/array_spec.rb in sugar-high-0.4.3

@@ -1,36 +1,77 @@
 require 'spec_helper'
 require 'sugar-high/array'
 
 describe "SugarHigh" do
   describe "Array ext" do
+
     describe '#to_symbols' do    
       it "should translate nested array of numbers and strings into symbols only array, excluding numbers" do
         [1, 'blip', [3, "hello"]].to_symbols.should == [:blip, :hello]
       end
 
       it "should translate nested array of numbers and strings into symbols only array, including numbers" do
-        [[1, 'blip', [3, "hello"]]].to_symbols(:num).should == [:_1, :blip, :_3, :hello]        
+        [[1, 'blip', [3, "hello"]]].to_symbols_num.should == [:_1, :blip, :_3, :hello]        
       end
 
-      it "should translate nested array of numbers and strings into strings only array" do
-        [['blip', [3, :hello]]].to_strings.should == ['blip', 'hello']        
+      it "should translate nested array of numbers and strings into symbols only array, including numbers" do
+        [[1, 'blip', [1, "hello"]]].to_symbols_uniq.should include :blip, :hello        
       end
     end        
+
+    describe '#to_symbols!' do    
+      it "should translate nested array of numbers and strings into symbols only array, excluding numbers" do
+        x = [1, 'hello', 'blip', [3, "hello"]].to_symbols!
+        x.should include :hello, :blip
+      end
+    end
     
     describe '#to_strings' do    
       it "should translate nested array of numbers and strings into symbols only array, excluding numbers" do
         [1, 'blip', [3, "hello"]].to_strings.should == ['blip', 'hello']
       end      
     end    
 
+    describe '#to_strings!' do    
+      it "should translate nested array of numbers and strings into symbols only array, excluding numbers" do
+        x = [1, 'blip', [3, "hello"]].to_strings!
+        x.should == ['blip', 'hello']
+      end      
+    end    
+
     describe '#flat_uniq' do    
       it "should flatten array, remove nils and make unique" do
         [1, 'blip', ['blip', nil, 'c'], nil].flat_uniq.should == [1, 'blip', 'c']
       end      
 
       it "should return empty list if called on nil" do
         nil.flat_uniq.should == []
+      end      
+    end    
+
+    describe '#flat_uniq!' do    
+      it "should flatten array, remove nils and make unique" do
+        x = [1, 'blip', ['blip', nil, 'c'], nil]
+        x.flat_uniq!
+        x.should == [1, 'blip', 'c']
+      end
+    end    
+
+    describe '#sum' do    
+      it "should add elements in array" do
+        [1, 2, 3].sum.should == 6
+      end      
+    end
+
+    describe '#mean' do    
+      it "should find mean of elements in array" do
+        [1, 2, 3].mean.should == 2
+      end      
+    end
+
+    describe '#extract' do    
+      it "should call method on each element in array" do
+        ["a", "ab", "abc"].extract(:size).mean.should == 2
       end      
     end    
 
     describe '#none?' do    
       it "should be none if no real values in array" do