Merge pull request #205 from hodgesds/util-tests

util: add tests for util package

Author: lucab

util/util_test.go

@@ -0,0 +1,74 @@
+// Copyright 2016 CoreOS, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package util
+
+import (
+	"testing"
+)
+
+func testIsRunningSystemd(t *testing.T) {
+	if !IsRunningSystemd() {
+		t.Skip("Not running on a systemd host")
+	}
+}
+
+func TestRunningFromSystemService(t *testing.T) {
+	testIsRunningSystemd(t)
+	t.Parallel()
+
+	// tests shouldn't be running as a service
+	s, err := RunningFromSystemService()
+	if err != nil {
+		t.Error(err.Error())
+	} else if s {
+		t.Errorf("tests aren't expected to run as a service")
+	}
+}
+
+func TestCurrentUnitName(t *testing.T) {
+	testIsRunningSystemd(t)
+
+	s, err := CurrentUnitName()
+	if err != nil {
+		t.Error(err.Error())
+	}
+	if s == "" {
+		t.Error("CurrentUnitName returned a empty string")
+	}
+}
+
+func TestGetMachineID(t *testing.T) {
+	testIsRunningSystemd(t)
+
+	id, err := GetMachineID()
+	if err != nil {
+		t.Error(err.Error())
+	}
+	if id == "" {
+		t.Error("GetMachineID returned a empty string")
+	}
+}
+
+func TestGetRunningSlice(t *testing.T) {
+	testIsRunningSystemd(t)
+
+	s, err := getRunningSlice()
+	if err != nil {
+		t.Error(err.Error())
+	}
+	if s == "" {
+		t.Error("getRunningSlice returned a empty string")
+	}
+}