feat: add 'testing' preset

encoder.go

@@ -6,9 +6,9 @@ import (
 	"go.uber.org/zap/zapcore"
 )
 
-/*func stableWidthCapitalLevelEncoder(l zapcore.Level, enc zapcore.PrimitiveArrayEncoder) {
+func stableWidthCapitalLevelEncoder(l zapcore.Level, enc zapcore.PrimitiveArrayEncoder) {
 	enc.AppendString(fmt.Sprintf("%-5s", l.CapitalString()))
-}*/
+}
 
 func stableWidthNameEncoder(loggerName string, enc zapcore.PrimitiveArrayEncoder) {
 	enc.AppendString(fmt.Sprintf("%-18s", loggerName))

zapconfig.go

@@ -55,7 +55,7 @@ const (
 )
 
 // AvailablePresets is the list of preset supported by `SetPreset`.
-var AvailablePresets = []string{"console", "json", "light-console", "light-json"}
+var AvailablePresets = []string{"console", "json", "light-console", "light-json", "testing"}
 
 // SetPreset configures various things based on just a keyword.
 func (c *Configurator) SetPreset(name string) *Configurator {
@@ -80,6 +80,12 @@ func (c *Configurator) SetPreset(name string) *Configurator {
 		c.opts.EncoderConfig = zap.NewProductionEncoderConfig()
 		c.opts.Encoding = jsonEncoding
 		c.opts.EncoderConfig.TimeKey = ""
+	case "testing":
+		c.opts.EncoderConfig = zap.NewDevelopmentEncoderConfig()
+		c.opts.Encoding = consoleEncoding
+		c.opts.EncoderConfig.TimeKey = ""
+		c.opts.EncoderConfig.EncodeLevel = stableWidthCapitalLevelEncoder
+		c.opts.EncoderConfig.EncodeName = stableWidthNameEncoder
 	default:
 		c.configErr = multierr.Append(c.configErr, fmt.Errorf("unknown preset: %q", name)) // nolint:goerr113
 	}

zapconfig_test.go

@@ -227,6 +227,16 @@ func TestBuilder(t *testing.T) {
 				require.NotEqual(t, output[1], `{"level":"info","logger":"foobar","caller":"zapconfig/zapconfig_test.go:17","msg":"hello world!","baz":42}`)
 			},
 		},
+		{"set-preset-testing",
+			func(config *Configurator) {
+				config.SetPreset("testing")
+			},
+			func(t *testing.T, config *zap.Config, output []string, err error) {
+				require.NoError(t, err)
+				require.Equal(t, "DEBUG\tzapconfig/zapconfig_test.go:16\thello world!\t{\"foo\": \"bar\"}", output[0])
+				require.Equal(t, "INFO \tfoobar            \tzapconfig/zapconfig_test.go:17\thello world!\t{\"baz\": 42}", output[1])
+			},
+		},
 	}
 	for _, tc := range cases {
 		t.Run(tc.name, func(t *testing.T) {