fix crash for excludedDirs

examples/vendor/subpackage/subpackage.go

@@ -0,0 +1,6 @@
+package subpackage
+
+//Echo just returns your string
+func Echo(s string) string {
+	return s
+}

examples/vendor/subpackage/subpackage_test.go

@@ -0,0 +1,14 @@
+package subpackage
+
+import (
+	"testing"
+
+	. "github.com/smartystreets/goconvey/convey"
+)
+
+func TestEcho(t *testing.T) {
+	s := "Hello"
+	Convey("Test Echo", t, func() {
+		So(Echo(s), ShouldEqual, s)
+	})
+}

goconvey.go

@@ -73,14 +73,17 @@ func main() {
 
 	longpollChan := make(chan chan string)
 	executor := executor.NewExecutor(tester, parser, longpollChan)
+
 	server := api.NewHTTPServer(working, watcherInput, executor, longpollChan)
 	go runTestOnUpdates(watcherOutput, executor, server)
 	go watcher.Listen()
 	go launchBrowser(host, port)
 	serveHTTP(server)
 }
 
-func checkExcludedDirs(s string, working string) []string {
+//checkExcludedDirs checks whether the working directory is contained in the list of excluded
+//if is, then drop it from the excludedDirs
+func checkExcludedDirs(excludedDirs string, working string) []string {
 	var items []string
 	dirname := filepath.Base(working)
 
@@ -125,6 +128,13 @@ func runTestOnUpdates(queue chan messaging.Folders, executor contract.Executor,
 	for update := range queue {
 		log.Println("Received request from watcher to execute tests...")
 		packages := extractPackages(update)
+
+		//if extractPackages does not return packages
+		if len(packages) == 0 {
+			log.Println("Nothing to test, check the working directory")
+			continue
+		}
+
 		output := executor.ExecuteTests(packages)
 		root := extractRoot(update, packages)
 		server.ReceiveUpdate(root, output)

goconvey_test.go

@@ -0,0 +1,25 @@
+package main
+
+import (
+	"testing"
+
+	. "github.com/smartystreets/goconvey/convey"
+)
+
+func TestCheckExcludedDirs(t *testing.T) {
+	listOfTestExcludedDirs := map[string]string{
+		"/go/src/package/vendor":        "vendor",
+		"/go/src/package/vendor/":       "vendor",
+		"/go/src/package/node_modules":  "node_modules",
+		"/go/src/package/node_modules/": "node_modules",
+	}
+
+	Convey("Exclude excluded directory for fake pathes", t, func() {
+		for working, excl := range listOfTestExcludedDirs {
+			excludedDirItems := checkExcludedDirs(excludedDirs, working)
+			for _, item := range excludedDirItems {
+				So(item, ShouldNotEqual, excl)
+			}
+		}
+	})
+}