spec/vector_spec.rb in daru-0.2.2 vs spec/vector_spec.rb in daru-0.3

@@ -848,10 +848,28 @@
         it 'does not fail on too large num' do
           expect(vector.tail(3000)).to eq vector
         end
       end
 
+      context '#last' do
+        subject(:vector) do
+          Daru::Vector.new (1..20).to_a, dtype: dtype
+        end
+
+        it 'takes 1 by default' do
+          expect(vector.last).to eq 20
+        end
+
+        it 'takes num if provided' do
+          expect(vector.last(3)).to eq Daru::Vector.new (18..20).to_a, index: (17..19).to_a
+        end
+
+        it 'does not fail on too large num' do
+          expect(vector.last(3000)).to eq vector
+        end
+      end
+
       context "#concat" do
         before :each do
           @dv = Daru::Vector.new [1,2,3,4,5], name: :yoga,
             index: [:warwick, :thompson, :jackson, :fender, :esp], dtype: dtype
         end
@@ -2126,9 +2144,20 @@
       before { dv.name = :hello }
       it { expect { dv.group_by :abc }.to raise_error }
     end
   end
 
+  context '#match' do
+    subject { dv.match(regexp) }
+
+    context 'returns matching array for a given regexp' do
+      let(:dv)     { Daru::Vector.new ['3 days', '5 weeks', '2 weeks'] }
+      let(:regexp) { /weeks/ }
+
+      it { is_expected.to eq([false, true, true]) }
+    end
+  end
+  
   context '#method_missing' do
     context 'getting' do
       subject(:vector) { Daru::Vector.new [1,2,3], index: [:a, :b, :c] }
 
       it 'returns value for existing index' do