diff --git a/Makefile b/Makefile
index 047de52..9a4145d 100644
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,7 @@ all:
 	go build -o telegabber
 
 test:
-	go test -v ./config
+	go test -v ./config ./ ./telegram
 
 lint:
 	$(GOPATH)/bin/golint ./...
diff --git a/log_test.go b/log_test.go
new file mode 100644
index 0000000..906c6dc
--- /dev/null
+++ b/log_test.go
@@ -0,0 +1,21 @@
+package main
+
+import (
+	"testing"
+
+	log "github.com/sirupsen/logrus"
+)
+
+func TestLogInfo(t *testing.T) {
+	logrusConstant := stringToLogConstant(":info")
+	if logrusConstant != log.InfoLevel {
+		t.Errorf("Wrong logrus constant for info")
+	}
+}
+
+func TestLogInvalid(t *testing.T) {
+	logrusConstant := stringToLogConstant("ziz")
+	if logrusConstant != log.FatalLevel {
+		t.Errorf("Unknown strings should return fatal loglevel")
+	}
+}
diff --git a/telegram/client_test.go b/telegram/client_test.go
new file mode 100644
index 0000000..4c757e1
--- /dev/null
+++ b/telegram/client_test.go
@@ -0,0 +1,19 @@
+package telegram
+
+import (
+	"testing"
+)
+
+func TestLogInfo(t *testing.T) {
+	tdlibConstant := stringToLogConstant(":info")
+	if tdlibConstant != 3 {
+		t.Errorf("Wrong TDlib constant for info")
+	}
+}
+
+func TestLogInvalid(t *testing.T) {
+	tdlibConstant := stringToLogConstant("ziz")
+	if tdlibConstant != 0 {
+		t.Errorf("Unknown strings should return fatal loglevel")
+	}
+}