adding in logging

vendor/go.uber.org/zap/zaptest/timeout.go

@@ -0,0 +1,51 @@
+// Copyright (c) 2016 Uber Technologies, Inc.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+package zaptest
+
+import (
+	"log"
+	"os"
+	"strconv"
+	"time"
+)
+
+var _timeoutScale = 1.0
+
+// Timeout scales the provided duration by $TEST_TIMEOUT_SCALE.
+func Timeout(base time.Duration) time.Duration {
+	return time.Duration(float64(base) * _timeoutScale)
+}
+
+// Sleep scales the sleep duration by $TEST_TIMEOUT_SCALE.
+func Sleep(base time.Duration) {
+	time.Sleep(Timeout(base))
+}
+
+func init() {
+	if v := os.Getenv("TEST_TIMEOUT_SCALE"); v != "" {
+		fv, err := strconv.ParseFloat(v, 64)
+		if err != nil {
+			panic(err)
+		}
+		_timeoutScale = fv
+		log.Printf("Scaling timeouts by %vx.\n", _timeoutScale)
+	}
+}