add tests for config

tests/mockups/config.go

@@ -0,0 +1,43 @@
+package mockups
+
+import (
+	"errors"
+	"io/ioutil"
+	"log"
+	"os"
+
+	"github.com/pushbits/server/internal/configuration"
+)
+
+// ReadConfig copies the given filename to the current folder and parses it as a config file. RemoveFile indicates whether to remove the copied file or not
+func ReadConfig(filename string, removeFile bool) (config *configuration.Configuration, err error) {
+	defer func() {
+		if r := recover(); r != nil {
+			log.Println(r)
+			err = errors.New("Paniced while reading config")
+		}
+	}()
+
+	if filename == "" {
+		return nil, errors.New("Empty filename")
+	}
+
+	file, err := ioutil.ReadFile(filename)
+
+	if err != nil {
+		return nil, err
+	}
+
+	err = ioutil.WriteFile("config.yml", file, 0644)
+	if err != nil {
+		return nil, err
+	}
+
+	config = configuration.Get()
+
+	if removeFile {
+		os.Remove("config.yml")
+	}
+
+	return config, nil
+}