mirror of https://github.com/sirupsen/logrus.git
574 lines
16 KiB
Go
574 lines
16 KiB
Go
package logrus
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import (
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"bytes"
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"errors"
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"fmt"
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"os"
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"runtime"
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"sort"
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"strings"
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"testing"
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"time"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestFormatting(t *testing.T) {
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tf := &TextFormatter{DisableColors: true}
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testCases := []struct {
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value string
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expected string
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}{
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{`foo`, "time=\"0001-01-01T00:00:00Z\" level=panic test=foo\n"},
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}
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for _, tc := range testCases {
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b, _ := tf.Format(WithField("test", tc.value))
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if string(b) != tc.expected {
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t.Errorf("formatting expected for %q (result was %q instead of %q)", tc.value, string(b), tc.expected)
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}
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}
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}
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func TestQuoting(t *testing.T) {
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tf := &TextFormatter{DisableColors: true}
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checkQuoting := func(q bool, value interface{}) {
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b, _ := tf.Format(WithField("test", value))
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idx := bytes.Index(b, ([]byte)("test="))
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cont := bytes.Contains(b[idx+5:], []byte("\""))
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if cont != q {
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if q {
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t.Errorf("quoting expected for: %#v", value)
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} else {
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t.Errorf("quoting not expected for: %#v", value)
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}
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}
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}
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checkQuoting(false, "")
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checkQuoting(false, "abcd")
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checkQuoting(false, "v1.0")
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checkQuoting(false, "1234567890")
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checkQuoting(false, "/foobar")
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checkQuoting(false, "foo_bar")
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checkQuoting(false, "foo@bar")
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checkQuoting(false, "foobar^")
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checkQuoting(false, "+/-_^@f.oobar")
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checkQuoting(true, "foobar$")
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checkQuoting(true, "&foobar")
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checkQuoting(true, "x y")
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checkQuoting(true, "x,y")
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checkQuoting(false, errors.New("invalid"))
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checkQuoting(true, errors.New("invalid argument"))
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// Test for quoting empty fields.
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tf.QuoteEmptyFields = true
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checkQuoting(true, "")
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checkQuoting(false, "abcd")
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checkQuoting(true, errors.New("invalid argument"))
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}
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func TestEscaping(t *testing.T) {
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tf := &TextFormatter{DisableColors: true}
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testCases := []struct {
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value string
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expected string
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}{
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{`ba"r`, `ba\"r`},
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{`ba'r`, `ba'r`},
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}
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for _, tc := range testCases {
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b, _ := tf.Format(WithField("test", tc.value))
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if !bytes.Contains(b, []byte(tc.expected)) {
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t.Errorf("escaping expected for %q (result was %q instead of %q)", tc.value, string(b), tc.expected)
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}
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}
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}
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func TestEscaping_Interface(t *testing.T) {
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tf := &TextFormatter{DisableColors: true}
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ts := time.Now()
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testCases := []struct {
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value interface{}
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expected string
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}{
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{ts, fmt.Sprintf("\"%s\"", ts.String())},
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{errors.New("error: something went wrong"), "\"error: something went wrong\""},
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}
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for _, tc := range testCases {
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b, _ := tf.Format(WithField("test", tc.value))
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if !bytes.Contains(b, []byte(tc.expected)) {
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t.Errorf("escaping expected for %q (result was %q instead of %q)", tc.value, string(b), tc.expected)
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}
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}
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}
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func TestTimestampFormat(t *testing.T) {
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checkTimeStr := func(format string) {
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customFormatter := &TextFormatter{DisableColors: true, TimestampFormat: format}
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customStr, _ := customFormatter.Format(WithField("test", "test"))
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timeStart := bytes.Index(customStr, ([]byte)("time="))
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timeEnd := bytes.Index(customStr, ([]byte)("level="))
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timeStr := customStr[timeStart+5+len("\"") : timeEnd-1-len("\"")]
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if format == "" {
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format = time.RFC3339
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}
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_, e := time.Parse(format, (string)(timeStr))
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if e != nil {
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t.Errorf("time string \"%s\" did not match provided time format \"%s\": %s", timeStr, format, e)
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}
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}
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checkTimeStr("2006-01-02T15:04:05.000000000Z07:00")
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checkTimeStr("Mon Jan _2 15:04:05 2006")
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checkTimeStr("")
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}
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func TestDisableLevelTruncation(t *testing.T) {
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entry := &Entry{
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Time: time.Now(),
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Message: "testing",
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}
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keys := []string{}
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timestampFormat := "Mon Jan 2 15:04:05 -0700 MST 2006"
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checkDisableTruncation := func(disabled bool, level Level) {
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tf := &TextFormatter{DisableLevelTruncation: disabled}
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var b bytes.Buffer
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entry.Level = level
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tf.printColored(&b, entry, keys, nil, timestampFormat)
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logLine := (&b).String()
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if disabled {
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expected := strings.ToUpper(level.String())
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if !strings.Contains(logLine, expected) {
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t.Errorf("level string expected to be %s when truncation disabled", expected)
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}
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} else {
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expected := strings.ToUpper(level.String())
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if len(level.String()) > 4 {
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if strings.Contains(logLine, expected) {
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t.Errorf("level string %s expected to be truncated to %s when truncation is enabled", expected, expected[0:4])
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}
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} else {
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if !strings.Contains(logLine, expected) {
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t.Errorf("level string expected to be %s when truncation is enabled and level string is below truncation threshold", expected)
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}
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}
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}
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}
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checkDisableTruncation(true, DebugLevel)
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checkDisableTruncation(true, InfoLevel)
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checkDisableTruncation(false, ErrorLevel)
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checkDisableTruncation(false, InfoLevel)
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}
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func TestPadLevelText(t *testing.T) {
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// A note for future maintainers / committers:
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//
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// This test denormalizes the level text as a part of its assertions.
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// Because of that, its not really a "unit test" of the PadLevelText functionality.
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// So! Many apologies to the potential future person who has to rewrite this test
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// when they are changing some completely unrelated functionality.
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params := []struct {
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name string
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level Level
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paddedLevelText string
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}{
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{
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name: "PanicLevel",
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level: PanicLevel,
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paddedLevelText: "PANIC ", // 2 extra spaces
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},
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{
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name: "FatalLevel",
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level: FatalLevel,
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paddedLevelText: "FATAL ", // 2 extra spaces
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},
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{
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name: "ErrorLevel",
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level: ErrorLevel,
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paddedLevelText: "ERROR ", // 2 extra spaces
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},
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{
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name: "WarnLevel",
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level: WarnLevel,
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// WARNING is already the max length, so we don't need to assert a paddedLevelText
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},
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{
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name: "DebugLevel",
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level: DebugLevel,
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paddedLevelText: "DEBUG ", // 2 extra spaces
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},
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{
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name: "TraceLevel",
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level: TraceLevel,
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paddedLevelText: "TRACE ", // 2 extra spaces
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},
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{
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name: "InfoLevel",
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level: InfoLevel,
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paddedLevelText: "INFO ", // 3 extra spaces
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},
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}
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// We create a "default" TextFormatter to do a control test.
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// We also create a TextFormatter with PadLevelText, which is the parameter we want to do our most relevant assertions against.
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tfDefault := TextFormatter{}
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tfWithPadding := TextFormatter{PadLevelText: true}
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for _, val := range params {
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t.Run(val.name, func(t *testing.T) {
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// TextFormatter writes into these bytes.Buffers, and we make assertions about their contents later
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var bytesDefault bytes.Buffer
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var bytesWithPadding bytes.Buffer
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// The TextFormatter instance and the bytes.Buffer instance are different here
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// all the other arguments are the same
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tfDefault.printColored(&bytesDefault, &Entry{Level: val.level}, []string{}, nil, "")
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tfWithPadding.printColored(&bytesWithPadding, &Entry{Level: val.level}, []string{}, nil, "")
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// turn the bytes back into a string so that we can actually work with the data
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logLineDefault := (&bytesDefault).String()
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logLineWithPadding := (&bytesWithPadding).String()
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// Control: the level text should not be padded by default
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if val.paddedLevelText != "" && strings.Contains(logLineDefault, val.paddedLevelText) {
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t.Errorf("log line \"%s\" should not contain the padded level text \"%s\" by default", logLineDefault, val.paddedLevelText)
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}
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// Assertion: the level text should still contain the string representation of the level
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if !strings.Contains(strings.ToLower(logLineWithPadding), val.level.String()) {
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t.Errorf("log line \"%s\" should contain the level text \"%s\" when padding is enabled", logLineWithPadding, val.level.String())
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}
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// Assertion: the level text should be in its padded form now
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if val.paddedLevelText != "" && !strings.Contains(logLineWithPadding, val.paddedLevelText) {
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t.Errorf("log line \"%s\" should contain the padded level text \"%s\" when padding is enabled", logLineWithPadding, val.paddedLevelText)
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}
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})
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}
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}
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func TestDisableTimestampWithColoredOutput(t *testing.T) {
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tf := &TextFormatter{DisableTimestamp: true, ForceColors: true}
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b, _ := tf.Format(WithField("test", "test"))
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if strings.Contains(string(b), "[0000]") {
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t.Error("timestamp not expected when DisableTimestamp is true")
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}
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}
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func TestNewlineBehavior(t *testing.T) {
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tf := &TextFormatter{ForceColors: true}
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// Ensure a single new line is removed as per stdlib log
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e := NewEntry(StandardLogger())
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e.Message = "test message\n"
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b, _ := tf.Format(e)
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if bytes.Contains(b, []byte("test message\n")) {
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t.Error("first newline at end of Entry.Message resulted in unexpected 2 newlines in output. Expected newline to be removed.")
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}
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// Ensure a double new line is reduced to a single new line
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e = NewEntry(StandardLogger())
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e.Message = "test message\n\n"
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b, _ = tf.Format(e)
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if bytes.Contains(b, []byte("test message\n\n")) {
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t.Error("Double newline at end of Entry.Message resulted in unexpected 2 newlines in output. Expected single newline")
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}
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if !bytes.Contains(b, []byte("test message\n")) {
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t.Error("Double newline at end of Entry.Message did not result in a single newline after formatting")
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}
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}
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func TestTextFormatterFieldMap(t *testing.T) {
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formatter := &TextFormatter{
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DisableColors: true,
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FieldMap: FieldMap{
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FieldKeyMsg: "message",
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FieldKeyLevel: "somelevel",
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FieldKeyTime: "timeywimey",
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},
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}
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entry := &Entry{
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Message: "oh hi",
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Level: WarnLevel,
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Time: time.Date(1981, time.February, 24, 4, 28, 3, 100, time.UTC),
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Data: Fields{
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"field1": "f1",
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"message": "messagefield",
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"somelevel": "levelfield",
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"timeywimey": "timeywimeyfield",
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},
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}
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b, err := formatter.Format(entry)
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if err != nil {
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t.Fatal("Unable to format entry: ", err)
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}
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assert.Equal(t,
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`timeywimey="1981-02-24T04:28:03Z" `+
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`somelevel=warning `+
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`message="oh hi" `+
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`field1=f1 `+
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`fields.message=messagefield `+
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`fields.somelevel=levelfield `+
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`fields.timeywimey=timeywimeyfield`+"\n",
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string(b),
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"Formatted output doesn't respect FieldMap")
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}
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func TestTextFormatterIsColored(t *testing.T) {
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params := []struct {
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name string
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expectedResult bool
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isTerminal bool
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disableColor bool
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forceColor bool
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envColor bool
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clicolorIsSet bool
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clicolorForceIsSet bool
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clicolorVal string
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clicolorForceVal string
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}{
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// Default values
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{
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name: "testcase1",
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expectedResult: false,
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isTerminal: false,
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disableColor: false,
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forceColor: false,
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envColor: false,
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clicolorIsSet: false,
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clicolorForceIsSet: false,
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},
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// Output on terminal
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{
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name: "testcase2",
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expectedResult: true,
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isTerminal: true,
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disableColor: false,
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forceColor: false,
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envColor: false,
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clicolorIsSet: false,
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clicolorForceIsSet: false,
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},
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// Output on terminal with color disabled
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{
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name: "testcase3",
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expectedResult: false,
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isTerminal: true,
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disableColor: true,
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forceColor: false,
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envColor: false,
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clicolorIsSet: false,
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clicolorForceIsSet: false,
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},
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// Output not on terminal with color disabled
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{
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name: "testcase4",
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expectedResult: false,
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isTerminal: false,
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disableColor: true,
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forceColor: false,
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envColor: false,
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clicolorIsSet: false,
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clicolorForceIsSet: false,
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},
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// Output not on terminal with color forced
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{
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name: "testcase5",
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expectedResult: true,
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isTerminal: false,
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disableColor: false,
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forceColor: true,
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envColor: false,
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clicolorIsSet: false,
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clicolorForceIsSet: false,
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},
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// Output on terminal with clicolor set to "0"
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{
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name: "testcase6",
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expectedResult: false,
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isTerminal: true,
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disableColor: false,
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forceColor: false,
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envColor: true,
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clicolorIsSet: true,
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clicolorForceIsSet: false,
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clicolorVal: "0",
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},
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// Output on terminal with clicolor set to "1"
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{
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name: "testcase7",
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expectedResult: true,
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isTerminal: true,
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disableColor: false,
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forceColor: false,
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envColor: true,
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clicolorIsSet: true,
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clicolorForceIsSet: false,
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clicolorVal: "1",
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},
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// Output not on terminal with clicolor set to "0"
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{
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name: "testcase8",
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expectedResult: false,
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isTerminal: false,
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disableColor: false,
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forceColor: false,
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envColor: true,
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clicolorIsSet: true,
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clicolorForceIsSet: false,
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clicolorVal: "0",
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},
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// Output not on terminal with clicolor set to "1"
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{
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name: "testcase9",
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expectedResult: false,
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isTerminal: false,
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disableColor: false,
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forceColor: false,
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envColor: true,
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clicolorIsSet: true,
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clicolorForceIsSet: false,
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clicolorVal: "1",
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},
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// Output not on terminal with clicolor set to "1" and force color
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{
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name: "testcase10",
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expectedResult: true,
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isTerminal: false,
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disableColor: false,
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forceColor: true,
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envColor: true,
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clicolorIsSet: true,
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clicolorForceIsSet: false,
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clicolorVal: "1",
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},
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// Output not on terminal with clicolor set to "0" and force color
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{
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name: "testcase11",
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expectedResult: false,
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isTerminal: false,
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disableColor: false,
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forceColor: true,
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envColor: true,
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clicolorIsSet: true,
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clicolorForceIsSet: false,
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clicolorVal: "0",
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},
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// Output not on terminal with clicolor_force set to "1"
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{
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name: "testcase12",
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expectedResult: true,
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isTerminal: false,
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disableColor: false,
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forceColor: false,
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envColor: true,
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clicolorIsSet: false,
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clicolorForceIsSet: true,
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clicolorForceVal: "1",
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},
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// Output not on terminal with clicolor_force set to "0"
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{
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name: "testcase13",
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expectedResult: false,
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isTerminal: false,
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disableColor: false,
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forceColor: false,
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envColor: true,
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clicolorIsSet: false,
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clicolorForceIsSet: true,
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clicolorForceVal: "0",
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},
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// Output on terminal with clicolor_force set to "0"
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{
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name: "testcase14",
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expectedResult: false,
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isTerminal: true,
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disableColor: false,
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forceColor: false,
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envColor: true,
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clicolorIsSet: false,
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clicolorForceIsSet: true,
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clicolorForceVal: "0",
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},
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}
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cleanenv := func() {
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os.Unsetenv("CLICOLOR")
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os.Unsetenv("CLICOLOR_FORCE")
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}
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defer cleanenv()
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for _, val := range params {
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t.Run("textformatter_"+val.name, func(subT *testing.T) {
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tf := TextFormatter{
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isTerminal: val.isTerminal,
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DisableColors: val.disableColor,
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ForceColors: val.forceColor,
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EnvironmentOverrideColors: val.envColor,
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}
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cleanenv()
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if val.clicolorIsSet {
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os.Setenv("CLICOLOR", val.clicolorVal)
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}
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if val.clicolorForceIsSet {
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os.Setenv("CLICOLOR_FORCE", val.clicolorForceVal)
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}
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res := tf.isColored()
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if runtime.GOOS == "windows" && !tf.ForceColors && !val.clicolorForceIsSet {
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assert.Equal(subT, false, res)
|
|
} else {
|
|
assert.Equal(subT, val.expectedResult, res)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestCustomSorting(t *testing.T) {
|
|
formatter := &TextFormatter{
|
|
DisableColors: true,
|
|
SortingFunc: func(keys []string) {
|
|
sort.Slice(keys, func(i, j int) bool {
|
|
if keys[j] == "prefix" {
|
|
return false
|
|
}
|
|
if keys[i] == "prefix" {
|
|
return true
|
|
}
|
|
return strings.Compare(keys[i], keys[j]) == -1
|
|
})
|
|
},
|
|
}
|
|
|
|
entry := &Entry{
|
|
Message: "Testing custom sort function",
|
|
Time: time.Now(),
|
|
Level: InfoLevel,
|
|
Data: Fields{
|
|
"test": "testvalue",
|
|
"prefix": "the application prefix",
|
|
"blablabla": "blablabla",
|
|
},
|
|
}
|
|
b, err := formatter.Format(entry)
|
|
require.NoError(t, err)
|
|
require.True(t, strings.HasPrefix(string(b), "prefix="), "format output is %q", string(b))
|
|
}
|