Unpack filesystem and whitelist from /proc/self/mountinfo

testutil/util.go

@@ -0,0 +1,44 @@
+/*
+Copyright 2018 Google LLC
+
+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 testutil
+
+import (
+	"fmt"
+	"reflect"
+	"testing"
+)
+
+func CheckErrorAndDeepEqual(t *testing.T, shouldErr bool, err error, expected, actual interface{}) {
+	if err := checkErr(shouldErr, err); err != nil {
+		t.Error(err)
+		return
+	}
+	if !reflect.DeepEqual(expected, actual) {
+		t.Errorf("%T differ.\nExpected\n%+v\nActual\n%+v", expected, expected, actual)
+		return
+	}
+}
+
+func checkErr(shouldErr bool, err error) error {
+	if err == nil && shouldErr {
+		return fmt.Errorf("Expected error, but returned none")
+	}
+	if err != nil && !shouldErr {
+		return fmt.Errorf("Unexpected error: %s", err)
+	}
+	return nil
+}