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) } }