fix issue where all mutants appear alive in child mocha reporter

.eslintrc

@@ -1,4 +1,5 @@
 {
+  "parser": "babel-eslint",
   "env": {
     "node": 1,
     "mocha": 1

Makefile

@@ -19,6 +19,9 @@ events:
 dogfood:
 	NODE_ENV=testing ./bin/perturb --rootDir ./ --testCmd 'make test'
 
+dogfood-child:
+	NODE_ENV=testing ./bin/perturb --rootDir ./ --testCmd 'make test' --runner mochaChild
+
 dogfood-parallel:
 	NODE_ENV=testing ./bin/perturb --rootDir ./ --testCmd 'make test' --runner mochaChild --parallel
 

bin/_perturb

@@ -26,7 +26,7 @@ program
   .option("-v, --verbose", "lots of logging")
   .option("-k, --killRate", "minimum kill rate to exit with code 0")
   .option("-p, --parallel", "run mutants in parallel (careful!)")
-  .option("-u, --runner <runner>")
+  .option("-u, --runner <runner>", "name of runner or runner plugin")
   .parse(process.argv);
 
 if (program.rootDir && program.rootDir[0] !== "/") {

lib/index.js

@@ -4,17 +4,6 @@
 // Error.stackTraceLimit = 100;
 // process.setMaxListeners(0);
 
-console.log("TYPEOF LOG", typeof console.log);
-
-process.on("newListener", function () {
-  // console.log("NEW LISTENER:", process._events);
-});
-
-// process.on("removeListener", function () {
-//   console.log("REMOVE LISTENER");
-//   console.trace();
-// });
-
 process.env.PERTURB = true;
 
 var assert = require("assert");
@@ -96,10 +85,9 @@ function makeSourceGroupHandler (config) {
     var sourceCode = mutants[0].sourceCode;
     var sourceFile = mutants[0].sourceFile;
 
-    var mapMethod = config.parallel ? async.map : async.mapSeries;
-
-    console.log(sourceFile, "starting....");
-    mapMethod(mutants, runMutant(config), function (err, processedMutants) {
+    // var mapMethod = config.parallel ? async.map : async.mapSeries;
+
+    async.mapSeries(mutants, runMutant(config), function (err, processedMutants) {
       if (err) {
         console.log("ERR!", err);
         return done(err);

lib/run-mutant.js

@@ -42,7 +42,6 @@ function createMultiMutantRunner (config) {
     var last = finish(config, _done);
     var tests = mutant.testFiles.slice();
 
-    console.log("RUNNER:", config.runner);
     var runner = runners[config.runner || DEFAULT_RUNNER];
     if (runner == null) {
       throw new Error(ERRORS.InvalidReporter);

lib/runners/mocha-child.js

@@ -8,24 +8,8 @@ function mochaChildProcessRunner (testFile, done) {
   var exited;
 
   var child = exec(cmd, opts, function (err, stdout, stderr) {
-    // if (!exited && err) {
-    //   console.log("child error callback");
-    //   exited = true;
-    //   return done(err.toString());
-    // }
-
-    console.log("CHILD EXITED WITH 0?", child.exitCode === 0, err);
-    done();
-  });
-
-  child.on("error", function (err) {
-    console.log("child error event");
-    if (!exited) {
-      exited = true;
-      done(err.toString())
-    }
+    done(err);
   });
-
 }
 
 module.exports = mochaChildProcessRunner;

package.json

@@ -37,6 +37,7 @@
     "object-assign": "^2.0.0"
   },
   "devDependencies": {
+    "babel-eslint": "^4.1.1",
     "chai": "^1.10.0",
     "growl": "^1.8.1",
     "jshint": "^2.6.0",