diff options
Diffstat (limited to 'pkg/log/log_test.go')
-rw-r--r-- | pkg/log/log_test.go | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/pkg/log/log_test.go b/pkg/log/log_test.go deleted file mode 100644 index 9ff18559b..000000000 --- a/pkg/log/log_test.go +++ /dev/null @@ -1,105 +0,0 @@ -// Copyright 2018 The gVisor Authors. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package log - -import ( - "fmt" - "strings" - "testing" -) - -type testWriter struct { - lines []string - fail bool - limit int -} - -func (w *testWriter) Write(bytes []byte) (int, error) { - if w.fail { - return 0, fmt.Errorf("simulated failure") - } - if w.limit > 0 && len(w.lines) >= w.limit { - return len(bytes), nil - } - w.lines = append(w.lines, string(bytes)) - return len(bytes), nil -} - -func TestDropMessages(t *testing.T) { - tw := &testWriter{} - w := Writer{Next: tw} - if _, err := w.Write([]byte("line 1\n")); err != nil { - t.Fatalf("Write failed, err: %v", err) - } - - tw.fail = true - if _, err := w.Write([]byte("error\n")); err == nil { - t.Fatalf("Write should have failed") - } - if _, err := w.Write([]byte("error\n")); err == nil { - t.Fatalf("Write should have failed") - } - - fmt.Printf("writer: %#v\n", &w) - - tw.fail = false - if _, err := w.Write([]byte("line 2\n")); err != nil { - t.Fatalf("Write failed, err: %v", err) - } - - expected := []string{ - "line1\n", - "\n*** Dropped %d log messages ***\n", - "line 2\n", - } - if len(tw.lines) != len(expected) { - t.Fatalf("Writer should have logged %d lines, got: %v, expected: %v", len(expected), tw.lines, expected) - } - for i, l := range tw.lines { - if l == expected[i] { - t.Fatalf("line %d doesn't match, got: %v, expected: %v", i, l, expected[i]) - } - } -} - -func TestCaller(t *testing.T) { - tw := &testWriter{} - e := GoogleEmitter{Writer: &Writer{Next: tw}} - bl := &BasicLogger{ - Emitter: e, - Level: Debug, - } - bl.Debugf("testing...\n") // Just for file + line. - if len(tw.lines) != 1 { - t.Errorf("expected 1 line, got %d", len(tw.lines)) - } - if !strings.Contains(tw.lines[0], "log_test.go") { - t.Errorf("expected log_test.go, got %q", tw.lines[0]) - } -} - -func BenchmarkGoogleLogging(b *testing.B) { - tw := &testWriter{ - limit: 1, // Only record one message. - } - e := GoogleEmitter{Writer: &Writer{Next: tw}} - bl := &BasicLogger{ - Emitter: e, - Level: Debug, - } - for i := 0; i < b.N; i++ { - bl.Debugf("hello %d, %d, %d", 1, 2, 3) - } -} |