spec/external_function_spec.rb in dentaku-1.2.6 vs spec/external_function_spec.rb in dentaku-2.0.0

@@ -6,32 +6,16 @@
     describe 'external functions' do
 
       let(:with_external_funcs) do
         c = described_class.new
 
-        now = { name: :now, type: :string, signature: [], body: -> { Time.now.to_s } }
-        c.add_function(now)
+        c.add_function(:now, -> { Time.now.to_s })
 
         fns = [
-          {
-            name:      :exp,
-            type:      :numeric,
-            signature: [ :numeric, :numeric ],
-            body:      ->(mantissa, exponent) { mantissa ** exponent }
-          },
-          {
-            name:      :max,
-            type:      :numeric,
-            signature: [ :arguments ],
-            body:      ->(*args) { args.max }
-          },
-          {
-            name:      :min,
-            type:      :numeric,
-            signature: [ :arguments ],
-            body:      ->(*args) { args.min }
-          }
+          [:pow,      ->(mantissa, exponent) { mantissa ** exponent }],
+          [:biggest,  ->(*args) { args.max }],
+          [:smallest, ->(*args) { args.min }],
         ]
 
         c.add_functions(fns)
       end
 
@@ -39,21 +23,21 @@
         now = with_external_funcs.evaluate('NOW()')
         expect(now).not_to be_nil
         expect(now).not_to be_empty
       end
 
-      it 'includes EXP' do
-        expect(with_external_funcs.evaluate('EXP(2,3)')).to eq(8)
-        expect(with_external_funcs.evaluate('EXP(3,2)')).to eq(9)
-        expect(with_external_funcs.evaluate('EXP(mantissa,exponent)', mantissa: 2, exponent: 4)).to eq(16)
+      it 'includes POW' do
+        expect(with_external_funcs.evaluate('POW(2,3)')).to eq(8)
+        expect(with_external_funcs.evaluate('POW(3,2)')).to eq(9)
+        expect(with_external_funcs.evaluate('POW(mantissa,exponent)', mantissa: 2, exponent: 4)).to eq(16)
       end
 
-      it 'includes MAX' do
-        expect(with_external_funcs.evaluate('MAX(8,6,7,5,3,0,9)')).to eq(9)
+      it 'includes BIGGEST' do
+        expect(with_external_funcs.evaluate('BIGGEST(8,6,7,5,3,0,9)')).to eq(9)
       end
 
-      it 'includes MIN' do
-        expect(with_external_funcs.evaluate('MIN(8,6,7,5,3,0,9)')).to eq(0)
+      it 'includes SMALLEST' do
+        expect(with_external_funcs.evaluate('SMALLEST(8,6,7,5,3,0,9)')).to eq(0)
       end
     end
   end
 end