mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
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97 lines
2.3 KiB
Go
97 lines
2.3 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package util
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import (
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"testing"
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"time"
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)
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func TestFakeClock(t *testing.T) {
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startTime := time.Now()
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tc := NewFakeClock(startTime)
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tc.Step(time.Second)
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now := tc.Now()
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if now.Sub(startTime) != time.Second {
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t.Errorf("input: %s now=%s gap=%s expected=%s", startTime, now, now.Sub(startTime), time.Second)
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}
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tt := tc.Now()
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tc.SetTime(tt.Add(time.Hour))
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if tc.Now().Sub(tt) != time.Hour {
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t.Errorf("input: %s now=%s gap=%s expected=%s", tt, tc.Now(), tc.Now().Sub(tt), time.Hour)
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}
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}
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func TestFakeAfter(t *testing.T) {
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tc := NewFakeClock(time.Now())
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if tc.HasWaiters() {
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t.Errorf("unexpected waiter?")
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}
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oneSec := tc.After(time.Second)
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if !tc.HasWaiters() {
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t.Errorf("unexpected lack of waiter?")
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}
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oneOhOneSec := tc.After(time.Second + time.Millisecond)
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twoSec := tc.After(2 * time.Second)
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select {
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case <-oneSec:
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t.Errorf("unexpected channel read")
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case <-oneOhOneSec:
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t.Errorf("unexpected channel read")
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case <-twoSec:
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t.Errorf("unexpected channel read")
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default:
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}
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tc.Step(999 * time.Millisecond)
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select {
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case <-oneSec:
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t.Errorf("unexpected channel read")
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case <-oneOhOneSec:
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t.Errorf("unexpected channel read")
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case <-twoSec:
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t.Errorf("unexpected channel read")
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default:
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}
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tc.Step(time.Millisecond)
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select {
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case <-oneSec:
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// Expected!
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case <-oneOhOneSec:
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t.Errorf("unexpected channel read")
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case <-twoSec:
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t.Errorf("unexpected channel read")
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default:
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t.Errorf("unexpected non-channel read")
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}
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tc.Step(time.Millisecond)
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select {
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case <-oneSec:
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// should not double-trigger!
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t.Errorf("unexpected channel read")
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case <-oneOhOneSec:
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// Expected!
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case <-twoSec:
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t.Errorf("unexpected channel read")
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default:
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t.Errorf("unexpected non-channel read")
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}
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}
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