Merge pull request #384 from pocke/broken-with-segumentation-fault

Fix when RSpec exits by segmentation fault.

Author: e2

lib/guard/rspec/rspec_process.rb

@@ -32,8 +32,8 @@ def _run
           Compat::UI.debug(format(msg, command, exit_code.inspect))
 
           unless [0, Command::FAILURE_EXIT_CODE].include?(exit_code)
-            msg = "Failed: %s (exit code: %d)"
-            raise Failure, format(msg, command.inspect, exit_code)
+            msg = "Failed: %s (exit code: %s)"
+            raise Failure, format(msg, command.inspect, exit_code.inspect)
           end
           exit_code
         end

spec/lib/guard/rspec/rspec_process_spec.rb

@@ -52,6 +52,15 @@
       end
     end
 
+    context "without any exit code" do
+      let(:exit_code) { nil }
+
+      it "fails" do
+        expect { subject }.
+          to raise_error(Guard::RSpec::RSpecProcess::Failure, /Failed: /)
+      end
+    end
+
     context "with the failure code for normal test failures" do
       let(:exit_code) { Guard::RSpec::Command::FAILURE_EXIT_CODE }