Create crond scheduler and dependencies and store to disk

logger/logger.go

@@ -0,0 +1,21 @@
+package logger
+
+import (
+	"local/logb"
+)
+
+type Logger struct{}
+
+func New() Logger {
+	return Logger{}
+}
+
+func (l Logger) Info(m string, args ...interface{}) {
+	args = append([]interface{}{m}, args...)
+	logb.Info(args...)
+}
+
+func (l Logger) Error(e error, m string, args ...interface{}) {
+	args = append([]interface{}{e, m}, args...)
+	logb.Error(args...)
+}

logger/logger_test.go

@@ -0,0 +1,41 @@
+package logger
+
+import (
+	"bytes"
+	"errors"
+	"io/ioutil"
+	"local/logb"
+	"os"
+	"testing"
+
+	cron "github.com/robfig/cron/v3"
+)
+
+func TestInterface(t *testing.T) {
+	l := New()
+	var logger cron.Logger
+	logger = l
+
+	w := bytes.NewBuffer(nil)
+	logb.SetWriter(w)
+	f, err := ioutil.TempFile(os.TempDir(), "logger.testInterface")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer os.Remove(f.Name())
+	was := os.Stderr
+	os.Stderr = f
+	defer func() {
+		os.Stderr = was
+	}()
+
+	logger.Info("hello from %v", "me")
+	logger.Error(errors.New("bad"), "error from %v", "me")
+
+	if !bytes.Contains(w.Bytes(), []byte(`error from me`)) {
+		t.Errorf("%s", w.Bytes())
+	}
+	if !bytes.Contains(w.Bytes(), []byte(`hello from me`)) {
+		t.Errorf("%s", w.Bytes())
+	}
+}