3e2713a850
Getting rid of mcmp pretty much breaks this whole package, but this commit makes a good start on fixing all the things worth keeping.
78 lines
2.0 KiB
Go
78 lines
2.0 KiB
Go
package mlog
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import (
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"bytes"
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"context"
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"fmt"
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"strings"
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. "testing"
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"time"
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"github.com/mediocregopher/mediocre-go-lib/mctx"
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"github.com/mediocregopher/mediocre-go-lib/mtest/massert"
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)
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func TestTruncate(t *T) {
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massert.Require(t,
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massert.Equal("abc", Truncate("abc", 4)),
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massert.Equal("abc", Truncate("abc", 3)),
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massert.Equal("ab...", Truncate("abc", 2)),
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)
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}
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func TestLogger(t *T) {
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buf := new(bytes.Buffer)
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now := time.Now().UTC()
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td, ts := now.Format(msgTimeFormat), fmt.Sprint(now.UnixNano())
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l := NewLogger(&LoggerOpts{
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MessageHandler: NewMessageHandler(buf),
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Now: func() time.Time { return now },
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})
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assertOut := func(expected string) massert.Assertion {
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expected = strings.ReplaceAll(expected, "<TD>", td)
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expected = strings.ReplaceAll(expected, "<TS>", ts)
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out, err := buf.ReadString('\n')
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return massert.All(
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massert.Nil(err),
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massert.Equal(expected, strings.TrimSpace(out)),
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)
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}
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ctx := context.Background()
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// Default max level should be INFO
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l.Debug(ctx, "foo")
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l.Info(ctx, "bar")
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l.Warn(ctx, "baz")
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l.Error(ctx, "buz")
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massert.Require(t,
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assertOut(`{"td":"<TD>","ts":<TS>,"level":"INFO","descr":"bar","level_int":30}`),
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assertOut(`{"td":"<TD>","ts":<TS>,"level":"WARN","descr":"baz","level_int":20}`),
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assertOut(`{"td":"<TD>","ts":<TS>,"level":"ERROR","descr":"buz","level_int":10}`),
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)
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// annotate context
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ctx = mctx.Annotate(ctx, "foo", "bar")
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l.Info(ctx, "bar")
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massert.Require(t,
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assertOut(`{"td":"<TD>","ts":<TS>,"level":"INFO","descr":"bar","level_int":30,"annotations":{"foo":"bar"}}`),
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)
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// add other annotations
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l.Info(ctx, "bar", mctx.Annotations{
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"foo": "BAR",
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})
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massert.Require(t,
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assertOut(`{"td":"<TD>","ts":<TS>,"level":"INFO","descr":"bar","level_int":30,"annotations":{"foo":"BAR"}}`),
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)
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// add namespace
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l = l.WithNamespace("ns")
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l.Info(ctx, "bar")
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massert.Require(t,
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assertOut(`{"td":"<TD>","ts":<TS>,"level":"INFO","ns":["ns"],"descr":"bar","level_int":30,"annotations":{"foo":"bar"}}`),
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)
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}
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