Implement `test_macro' recipe keyword

spec/producer/core/tests/condition_test_spec.rb

@@ -0,0 +1,55 @@
+require 'spec_helper'
+
+module Producer::Core
+  module Tests
+    describe ConditionTest do
+      let(:env)       { double 'env' }
+      let(:block)     { proc { true } }
+      let(:arguments) { [:some, :args] }
+      subject(:test)  { described_class.new(env, block, *arguments) }
+
+      it_behaves_like 'test'
+
+      describe '#verify' do
+        context 'when condition is met' do
+          it 'returns true' do
+            expect(test.verify).to be true
+          end
+        end
+
+        context 'when condition is not met' do
+          let(:block) { proc { false } }
+
+          it 'returns false' do
+            expect(test.verify).to be false
+          end
+        end
+      end
+
+      describe '#condition' do
+        it 'evaluates a conditon' do
+          expect(Condition).to receive(:evaluate).with(env, *arguments, &block)
+          test.condition
+        end
+
+        it 'returns the evaluated condition' do
+          condition = double 'condition'
+          allow(Condition).to receive(:evaluate) { condition }
+          expect(test.condition).to eq condition
+        end
+      end
+
+      describe '#condition_args' do
+        it 'returns arguments for condition' do
+          expect(test.condition_args).to eq arguments
+        end
+      end
+
+      describe '#condition_block' do
+        it 'returns condition block' do
+          expect(test.condition_block).to eq block
+        end
+      end
+    end
+  end
+end