54 lines
1.6 KiB
Go
54 lines
1.6 KiB
Go
package log
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import (
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"bytes"
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"os"
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"strings"
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"testing"
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"golang.org/x/exp/slog"
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)
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// TestLoggingWithVmodule checks that vmodule works.
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func TestLoggingWithVmodule(t *testing.T) {
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out := new(bytes.Buffer)
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glog := NewGlogHandler(NewTerminalHandlerWithLevel(out, LevelTrace, false))
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glog.Verbosity(LevelCrit)
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logger := NewLogger(glog)
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logger.Warn("This should not be seen", "ignored", "true")
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glog.Vmodule("logger_test.go=5")
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logger.Trace("a message", "foo", "bar")
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have := out.String()
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// The timestamp is locale-dependent, so we want to trim that off
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// "INFO [01-01|00:00:00.000] a messag ..." -> "a messag..."
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have = strings.Split(have, "]")[1]
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want := " a message foo=bar\n"
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if have != want {
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t.Errorf("\nhave: %q\nwant: %q\n", have, want)
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}
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}
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func TestTerminalHandlerWithAttrs(t *testing.T) {
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out := new(bytes.Buffer)
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glog := NewGlogHandler(NewTerminalHandlerWithLevel(out, LevelTrace, false).WithAttrs([]slog.Attr{slog.String("baz", "bat")}))
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glog.Verbosity(LevelTrace)
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logger := NewLogger(glog)
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logger.Trace("a message", "foo", "bar")
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have := out.String()
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// The timestamp is locale-dependent, so we want to trim that off
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// "INFO [01-01|00:00:00.000] a messag ..." -> "a messag..."
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have = strings.Split(have, "]")[1]
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want := " a message baz=bat foo=bar\n"
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if have != want {
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t.Errorf("\nhave: %q\nwant: %q\n", have, want)
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}
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}
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func BenchmarkTraceLogging(b *testing.B) {
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SetDefault(NewLogger(NewTerminalHandler(os.Stderr, true)))
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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Trace("a message", "v", i)
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}
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}
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