spec/lib/configstruct_spec.rb in configstruct-0.0.2 vs spec/lib/configstruct_spec.rb in configstruct-0.0.3

@@ -14,17 +14,57 @@
     subject { ConfigStruct.new options }
     before { subject.default :var, value1 }
     it { expect(subject.var).to eq value1 }
   end
 
-  describe 'new' do
+  describe '.new' do
     context 'when there is no config file, ' do
       let(:basefile) { File.expand_path('../../files/xxx.yml', __FILE__) }
       after { FileUtils.rm basefile if File.exist? basefile }
       subject { ConfigStruct.new options }
       it 'then a config file is created calling' do
         expect(subject.basefile).to eq basefile
         expect(File.exist? basefile).to be_true
+      end
+    end
+  end
+
+  describe 'output/input override' do
+    let(:input) { StringIO.new }
+    let(:output) { StringIO.new }
+    let(:str) { "xxx" }
+    subject { ConfigStruct.new options, input, output }
+    context "when single string is used" do
+      it 'redirect puts to StringIO object' do
+        subject.puts str
+        expect(output.string).to eq "#{str}\n"
+      end
+      it 'redirect print to StringIO object' do
+        subject.print str
+        expect(output.string).to eq str
+      end
+      it 'redirect printf to StringIO object' do
+        subject.printf "-- %s --", str
+        expect(output.string).to eq "-- #{str} --"
+      end
+      it 'redirect gets to StringIO object' do
+        input.stub(:gets).and_return(str)
+        expect(subject.gets).to eq str
+      end
+    end
+    context "when multiple strings are used" do
+      let(:str2) { "zzz" }
+      it 'redirect puts to StringIO object' do
+        subject.puts str, str2
+        expect(output.string).to eq "#{str}\n#{str2}\n"
+      end
+      it 'redirect print to StringIO object' do
+        subject.print str, str2
+        expect(output.string).to eq "#{str}#{str2}"
+      end
+      it 'redirect printf to StringIO object' do
+        subject.printf "-- %s -- %s --", str, str2
+        expect(output.string).to eq "-- #{str} -- #{str2} --"
       end
     end
   end
 
 end