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103 lines
2.5 KiB

package log_test
import (
"bytes"
"errors"
"strings"
"testing"
"github.com/tendermint/tmlibs/log"
)
func TestVariousLevels(t *testing.T) {
testCases := []struct {
name string
allowed log.Option
want string
}{
{
"AllowAll",
log.AllowAll(),
strings.Join([]string{
`{"_msg":"here","level":"debug","this is":"debug log"}`,
`{"_msg":"here","level":"info","this is":"info log"}`,
`{"_msg":"here","level":"error","this is":"error log"}`,
}, "\n"),
},
{
"AllowDebug",
log.AllowDebug(),
strings.Join([]string{
`{"_msg":"here","level":"debug","this is":"debug log"}`,
`{"_msg":"here","level":"info","this is":"info log"}`,
`{"_msg":"here","level":"error","this is":"error log"}`,
}, "\n"),
},
{
"AllowInfo",
log.AllowInfo(),
strings.Join([]string{
`{"_msg":"here","level":"info","this is":"info log"}`,
`{"_msg":"here","level":"error","this is":"error log"}`,
}, "\n"),
},
{
"AllowError",
log.AllowError(),
strings.Join([]string{
`{"_msg":"here","level":"error","this is":"error log"}`,
}, "\n"),
},
{
"AllowNone",
log.AllowNone(),
``,
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
var buf bytes.Buffer
logger := log.NewFilter(log.NewTMJSONLogger(&buf), tc.allowed)
logger.Debug("here", "this is", "debug log")
logger.Info("here", "this is", "info log")
logger.Error("here", "this is", "error log")
if want, have := tc.want, strings.TrimSpace(buf.String()); want != have {
t.Errorf("\nwant:\n%s\nhave:\n%s", want, have)
}
})
}
}
func TestErrNotAllowed(t *testing.T) {
myError := errors.New("squelched!")
opts := []log.Option{
log.AllowError(),
log.ErrNotAllowed(myError),
}
logger := log.NewFilter(log.NewNopLogger(), opts...)
if want, have := myError, logger.Info("foo", "bar", "baz"); want != have {
t.Errorf("want %#+v, have %#+v", want, have)
}
if want, have := error(nil), logger.Error("foo", "bar", "baz"); want != have {
t.Errorf("want %#+v, have %#+v", want, have)
}
}
func TestLevelContext(t *testing.T) {
var buf bytes.Buffer
var logger log.Logger
logger = log.NewTMJSONLogger(&buf)
logger = log.NewFilter(logger, log.AllowAll())
logger = logger.With("context", "value")
logger.Info("foo", "bar", "baz")
if want, have := `{"_msg":"foo","bar":"baz","context":"value","level":"info"}`, strings.TrimSpace(buf.String()); want != have {
t.Errorf("\nwant '%s'\nhave '%s'", want, have)
}
}