Update rove-server main with tests

cmd/rove-server/main.go

@@ -14,17 +14,17 @@ import (
 )
 
 var ver = flag.Bool("version", false, "Display version number")
-var port = flag.String("address", ":8080", "The address to host on")
-var data = flag.String("data", os.TempDir(), "Directory to store persistant data")
 var quit = flag.Int("quit", 0, "Quit after n seconds, useful for testing")
+var address = flag.String("address", "", "The address to host on, automatically selected if empty")
+var data = flag.String("data", "", "Directory to store persistant data, no storage if empty")
 
-func main() {
+func InnerMain() {
 	flag.Parse()
 
 	// Print the version if requested
 	if *ver {
 		fmt.Println(version.Version)
-		os.Exit(0)
+		return
 	}
 
 	fmt.Printf("Initialising version %s...\n", version.Version)
@@ -34,7 +34,7 @@ func main() {
 
 	// Create the server data
 	s := server.NewServer(
-		server.OptionAddress(*port),
+		server.OptionAddress(*address),
 		server.OptionPersistentData())
 
 	// Initialise the server
@@ -74,3 +74,8 @@ func main() {
 		panic(err)
 	}
 }
+
+func main() {
+	flag.Parse()
+	InnerMain()
+}

cmd/rove-server/main_test.go

@@ -0,0 +1,18 @@
+package main
+
+import (
+	"flag"
+	"testing"
+)
+
+func Test_InnerMain_Version(t *testing.T) {
+	flag.Set("version", "1")
+	InnerMain()
+	flag.Set("version", "0")
+}
+
+func Test_InnerMain_Quit(t *testing.T) {
+	flag.Set("quit", "1")
+	InnerMain()
+	flag.Set("quit", "0")
+}

script/test.sh

@@ -12,7 +12,7 @@ go build ./...
 ROVE_ARGS="--quit 1" docker-compose up --build --exit-code-from=rove-server --abort-on-container-exit
 
 # Run tests with coverage
-go test -v ./... -cover -coverprofile=/tmp/c.out
+go test -v ./... -cover -coverprofile=/tmp/c.out -count 1
 
 # Convert the coverage data to html
 go tool cover -html=/tmp/c.out -o /tmp/coverage.html