spec/provider/heroku_spec.rb in dpl-heroku-1.10.4.travis.3053.5 vs spec/provider/heroku_spec.rb in dpl-heroku-1.10.4.travis.3054.5

@@ -259,9 +259,31 @@
       expect(provider).to receive(:version).and_return 'v1.3.0'
       expect(provider.context).to receive(:shell).with("curl https://build-output.heroku.com/streams/01234567-89ab-cdef-0123-456789abcdef -H 'Accept: application/vnd.heroku+json; version=3'")
       provider.trigger_build
       expect(provider.build_id).to eq('01234567-89ab-cdef-0123-456789abcdef')
     end
+
+    context 'when $stdout is not a TTY' do
+      before do
+        @old_stdout = $stdout
+        $stdout = StringIO.new
+      end
+
+      after do
+        $stdout = @old_stdout
+      end
+
+      example do
+        expect(provider).to receive(:log).with('triggering new deployment')
+        expect(provider).to receive(:faraday).at_least(:once).and_return(faraday)
+        expect(provider).to receive(:get_url).and_return 'http://example.com/source.tgz'
+        expect(provider).to receive(:version).and_return 'v1.3.0'
+        expect(provider.context).to receive(:shell).with("curl -sS https://build-output.heroku.com/streams/01234567-89ab-cdef-0123-456789abcdef -H 'Accept: application/vnd.heroku+json; version=3'")
+        provider.trigger_build
+        expect(provider.build_id).to eq('01234567-89ab-cdef-0123-456789abcdef')
+      end
+
+    end
   end
 
   describe "#verify_build" do
     context 'when build succeeds' do
       example do