chore: improve codecov (#1878)

core/logx/writer.go

@@ -241,7 +241,6 @@ func output(writer io.Writer, level string, val interface{}, fields ...LogField)
 
 	switch atomic.LoadUint32(&encoding) {
 	case plainEncodingType:
-		level = wrapLevelWithColor(level)
 		writePlainAny(writer, level, val, buildFields(fields...)...)
 	default:
 		entry := make(logEntryWithFields)
@@ -290,6 +289,8 @@ func writeJson(writer io.Writer, info interface{}) {
 }
 
 func writePlainAny(writer io.Writer, level string, val interface{}, fields ...string) {
+	level = wrapLevelWithColor(level)
+
 	switch v := val.(type) {
 	case string:
 		writePlainText(writer, level, v, fields...)

core/logx/writer_test.go

@@ -124,18 +124,27 @@ func TestWritePlainAny(t *testing.T) {
 	assert.Contains(t, buf.String(), "foo")
 
 	buf.Reset()
-	writePlainAny(nil, levelInfo, make(chan int))
+	writePlainAny(nil, levelError, make(chan int))
 	assert.Contains(t, buf.String(), "unsupported type")
-	writePlainAny(nil, levelInfo, 100)
+	writePlainAny(nil, levelSlow, 100)
 	assert.Contains(t, buf.String(), "100")
 
 	buf.Reset()
-	writePlainAny(hardToWriteWriter{}, levelInfo, 100)
+	writePlainAny(hardToWriteWriter{}, levelStat, 100)
 	assert.Contains(t, buf.String(), "write error")
 
 	buf.Reset()
-	writePlainAny(hardToWriteWriter{}, levelInfo, "foo")
+	writePlainAny(hardToWriteWriter{}, levelSevere, "foo")
 	assert.Contains(t, buf.String(), "write error")
+
+	buf.Reset()
+	writePlainAny(hardToWriteWriter{}, levelAlert, "foo")
+	assert.Contains(t, buf.String(), "write error")
+
+	buf.Reset()
+	writePlainAny(hardToWriteWriter{}, levelFatal, "foo")
+	assert.Contains(t, buf.String(), "write error")
+
 }
 
 type mockedEntry struct {