Add performance test phase timing export.

test/e2e/framework/timer/timer_test.go

@@ -0,0 +1,92 @@
+/*
+Copyright 2017 The Kubernetes Authors.
+
+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 timer
+
+import (
+	"testing"
+	"time"
+
+	. "github.com/onsi/gomega"
+)
+
+var currentTime time.Time
+
+func init() {
+	setCurrentTimeSinceEpoch(0)
+	now = func() time.Time { return currentTime }
+}
+
+func setCurrentTimeSinceEpoch(duration time.Duration) {
+	currentTime = time.Unix(0, duration.Nanoseconds())
+}
+
+func testUsageWithDefer(timer *TestPhaseTimer) {
+	defer timer.StartPhase(33, "two").End()
+	setCurrentTimeSinceEpoch(6*time.Second + 500*time.Millisecond)
+}
+
+func TestTimer(t *testing.T) {
+	RegisterTestingT(t)
+
+	timer := NewTestPhaseTimer()
+	setCurrentTimeSinceEpoch(1 * time.Second)
+	phaseOne := timer.StartPhase(1, "one")
+	setCurrentTimeSinceEpoch(3 * time.Second)
+	testUsageWithDefer(timer)
+
+	Expect(timer.PrintJSON()).To(MatchJSON(`{
+		"version": "v1",
+		"dataItems": [
+			{
+				"data": {
+					"001-one": 5.5,
+					"033-two": 3.5
+				},
+				"unit": "s",
+				"labels": {
+					"test": "phases",
+					"ended": "false"
+				}
+			}
+		]
+	}`))
+	Expect(timer.PrintHumanReadable()).To(Equal(`Phase 001-one: 5.5s so far
+Phase 033-two: 3.5s
+`))
+
+	setCurrentTimeSinceEpoch(7*time.Second + 500*time.Millisecond)
+	phaseOne.End()
+
+	Expect(timer.PrintJSON()).To(MatchJSON(`{
+		"version": "v1",
+		"dataItems": [
+			{
+				"data": {
+					"001-one": 6.5,
+					"033-two": 3.5
+				},
+				"unit": "s",
+				"labels": {
+					"test": "phases"
+				}
+			}
+		]
+	}`))
+	Expect(timer.PrintHumanReadable()).To(Equal(`Phase 001-one: 6.5s
+Phase 033-two: 3.5s
+`))
+}