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// _ _
// __ _____ __ ___ ___ __ _| |_ ___
// \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
// \ V V / __/ (_| |\ V /| | (_| | || __/
// \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
//
// Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
//
// CONTACT: [email protected]
//
package helper
import (
"fmt"
"testing"
"time"
"github.com/stretchr/testify/assert"
)
type fakeT struct {
lastError error
}
func (f *fakeT) Reset() {
f.lastError = nil
}
func (f *fakeT) Errorf(msg string, args ...interface{}) {
f.lastError = fmt.Errorf(msg, args...)
}
// AssertEventuallyEqual retries the 'actual' thunk every 10ms for a total of
// 300ms. If a single one succeeds, it returns, if all fails it eventually
// fails
func AssertEventuallyEqual(t *testing.T, expected interface{}, actualThunk func() interface{}, msg ...interface{}) {
t.Helper()
interval := 10 * time.Millisecond
timeout := 4000 * time.Millisecond
elapsed := 0 * time.Millisecond
fakeT := &fakeT{}
for elapsed < timeout {
fakeT.Reset()
actual := actualThunk()
assert.Equal(fakeT, expected, actual, msg...)
if fakeT.lastError == nil {
return
}
time.Sleep(interval)
elapsed += interval
}
t.Errorf("waiting for %s, but never succeeded:\n\n%s", elapsed, fakeT.lastError)
}
func AssertEventuallyEqualWithFrequencyAndTimeout(t *testing.T, expected interface{}, actualThunk func() interface{},
interval time.Duration, timeout time.Duration, msg ...interface{},
) {
elapsed := 0 * time.Millisecond
fakeT := &fakeT{}
for elapsed < timeout {
fakeT.Reset()
actual := actualThunk()
assert.Equal(fakeT, expected, actual, msg...)
if fakeT.lastError == nil {
return
}
time.Sleep(interval)
elapsed += interval
}
t.Errorf("waiting for %s, but never succeeded:\n\n%s", elapsed, fakeT.lastError)
}
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