Implement verbose status in Env

spec/uh/wm/env_spec.rb

@@ -5,6 +5,28 @@ module Uh
       let(:logger)  { Logger.new(StringIO.new) }
       subject(:env) { described_class.new output, logger: logger }
 
+      it 'has verbose mode disabled' do
+        expect(env).not_to be_verbose
+      end
+
+      describe '#verbose?' do
+        context 'when verbose mode is disabled' do
+          before { env.verbose = false }
+
+          it 'returns false' do
+            expect(env.verbose?).to be false
+          end
+        end
+
+        context 'when verbose mode is enabled' do
+          before { env.verbose = true }
+
+          it 'returns true' do
+            expect(env.verbose?).to be true
+          end
+        end
+      end
+
       describe '#logger' do
         it 'returns a logger' do
           expect(env.logger).to be_a ::Logger