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47 lines
940 B
Go
47 lines
940 B
Go
// Copyright (c) 2020 Tailscale Inc & AUTHORS All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package tstest
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import "testing"
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func TestLogListener(t *testing.T) {
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var (
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l1 = "line 1: %s"
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l2 = "line 2: %s"
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l3 = "line 3: %s"
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lineList = []string{l1, l2}
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)
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ll := ListenFor(t.Logf, lineList)
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if len(ll.Check()) != len(lineList) {
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t.Errorf("expected %v, got %v", lineList, ll.Check())
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}
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ll.Logf(l3, "hi")
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if len(ll.Check()) != len(lineList) {
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t.Errorf("expected %v, got %v", lineList, ll.Check())
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}
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ll.Logf(l1, "hi")
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if len(ll.Check()) != len(lineList)-1 {
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t.Errorf("expected %v, got %v", lineList, ll.Check())
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}
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ll.Logf(l1, "bye")
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if len(ll.Check()) != len(lineList)-1 {
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t.Errorf("expected %v, got %v", lineList, ll.Check())
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}
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ll.Logf(l2, "hi")
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if ll.Check() != nil {
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t.Errorf("expected empty list, got ll.Check()")
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}
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}
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