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tailscale/health/health_test.go

41 lines
821 B
Go

// Copyright (c) 2022 Tailscale Inc & AUTHORS All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package health
import (
"errors"
"fmt"
"reflect"
"testing"
)
func TestAppendWarnableDebugFlags(t *testing.T) {
resetWarnables()
for i := 0; i < 10; i++ {
w := NewWarnable(WithMapDebugFlag(fmt.Sprint(i)))
if i%2 == 0 {
w.Set(errors.New("boom"))
}
}
want := []string{"z", "y", "0", "2", "4", "6", "8"}
var got []string
for i := 0; i < 20; i++ {
got = append(got[:0], "z", "y")
got = AppendWarnableDebugFlags(got)
if !reflect.DeepEqual(got, want) {
t.Fatalf("AppendWarnableDebugFlags = %q; want %q", got, want)
}
}
}
func resetWarnables() {
mu.Lock()
defer mu.Unlock()
warnables = make(map[*Warnable]struct{})
}