package log_test import ( "bytes" "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 TestLevelContext(t *testing.T) { var buf bytes.Buffer logger := log.NewTMJSONLogger(&buf) logger = log.NewFilter(logger, log.AllowError()) logger = logger.With("context", "value") logger.Error("foo", "bar", "baz") if want, have := `{"_msg":"foo","bar":"baz","context":"value","level":"error"}`, strings.TrimSpace(buf.String()); want != have { t.Errorf("\nwant '%s'\nhave '%s'", want, have) } buf.Reset() logger.Info("foo", "bar", "baz") if want, have := ``, strings.TrimSpace(buf.String()); want != have { t.Errorf("\nwant '%s'\nhave '%s'", want, have) } } func TestVariousAllowWith(t *testing.T) { var buf bytes.Buffer logger := log.NewTMJSONLogger(&buf) logger1 := log.NewFilter(logger, log.AllowError(), log.AllowInfoWith("context", "value")) logger1.With("context", "value").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) } buf.Reset() logger2 := log.NewFilter(logger, log.AllowError(), log.AllowInfoWith("context", "value"), log.AllowNoneWith("user", "Sam")) logger2.With("context", "value", "user", "Sam").Info("foo", "bar", "baz") if want, have := ``, strings.TrimSpace(buf.String()); want != have { t.Errorf("\nwant '%s'\nhave '%s'", want, have) } buf.Reset() logger3 := log.NewFilter(logger, log.AllowError(), log.AllowInfoWith("context", "value"), log.AllowNoneWith("user", "Sam")) logger3.With("user", "Sam").With("context", "value").Info("foo", "bar", "baz") if want, have := `{"_msg":"foo","bar":"baz","context":"value","level":"info","user":"Sam"}`, strings.TrimSpace(buf.String()); want != have { t.Errorf("\nwant '%s'\nhave '%s'", want, have) } }