tailscale/tstest/log_test.go

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// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause
package tstest
import (
"reflect"
"testing"
)
func TestLogLineTracker(t *testing.T) {
const (
l1 = "line 1: %s"
l2 = "line 2: %s"
l3 = "line 3: %s"
)
lt := NewLogLineTracker(t.Logf, []string{l1, l2})
if got, want := lt.Check(), []string{l1, l2}; !reflect.DeepEqual(got, want) {
t.Errorf("Check = %q; want %q", got, want)
}
lt.Logf(l3, "hi")
if got, want := lt.Check(), []string{l1, l2}; !reflect.DeepEqual(got, want) {
t.Errorf("Check = %q; want %q", got, want)
}
lt.Logf(l1, "hi")
if got, want := lt.Check(), []string{l2}; !reflect.DeepEqual(got, want) {
t.Errorf("Check = %q; want %q", got, want)
}
lt.Logf(l1, "bye")
if got, want := lt.Check(), []string{l2}; !reflect.DeepEqual(got, want) {
t.Errorf("Check = %q; want %q", got, want)
}
lt.Logf(l2, "hi")
if got, want := lt.Check(), []string(nil); !reflect.DeepEqual(got, want) {
t.Errorf("Check = %q; want %q", got, want)
}
}