zip_spec.rb in rake-funnel-0.14.0.pre

- old
+ new

@@ -9,10 +9,11 @@
   describe 'defaults' do
     its(:name) { should == :package }
     its(:source) { should eq([]) }
     its(:target) { should be_nil }
     its(:zip_root) { should be_nil }
+    its(:allow_empty) { should eq(true) }
   end
 
   describe 'execution' do
     let(:source) { %w(bin/1 bin/2 bin/3/4) }
     let(:finder) { instance_double(Finder).as_null_object }
@@ -43,8 +44,49 @@
       expect(Zipper).to have_received(:zip).with(subject.source, subject.target, subject.zip_root)
     end
 
     it 'should report the created zip file' do
       expect(Rake).to have_received(:rake_output_message).with("Created #{subject.target}")
+    end
+
+    describe '#allow_empty' do
+      subject {
+        described_class.new do |t|
+          t.source = source
+          t.target = 'some path/file.zip'
+          t.zip_root = 'zip root'
+          t.allow_empty = allow_empty
+        end
+      }
+
+      context 'empty allowed with empty file list' do
+        let(:source) { [] }
+        let(:allow_empty) { true }
+
+        before {
+          Task[subject.name].invoke
+        }
+
+        it 'should invoker Zipper' do
+          expect(Zipper).to have_received(:zip)
+        end
+      end
+
+      context 'empty not allowed with empty file list' do
+        let(:source) { [] }
+        let(:allow_empty) { false }
+
+        before {
+          Task[subject.name].invoke
+        }
+
+        it 'should not invoker Zipper' do
+          expect(Zipper).not_to have_received(:zip)
+        end
+
+        it 'should warn' do
+          expect(Rake).to have_received(:rake_output_message).with('No files to zip')
+        end
+      end
     end
   end
 end