mirror of https://github.com/k3s-io/k3s
44 lines
1.2 KiB
Go
44 lines
1.2 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 assert
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import (
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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)
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// EventuallyTrue asserts that the given predicate becomes true within the given timeout. It
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// checks the predicate regularly each 100ms.
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func EventuallyTrue(t *testing.T, timeout time.Duration, fn func() bool, msgAndArgs ...interface{}) bool {
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start := time.Now()
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for {
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if fn() {
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return true
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}
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if time.Now().Sub(start) > timeout {
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if len(msgAndArgs) > 0 {
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return assert.Fail(t, msgAndArgs[0].(string), msgAndArgs[1:]...)
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} else {
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return assert.Fail(t, "predicate fn has not been true after %v", timeout.String())
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}
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}
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time.Sleep(100 * time.Millisecond)
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}
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}
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