logrus/logrus_test.go

248 lines
5.9 KiB
Go

package logrus
import (
"bytes"
"encoding/json"
"strconv"
"strings"
"testing"
"github.com/stretchr/testify/assert"
)
func LogAndAssertJSON(t *testing.T, log func(*Logger), assertions func(fields Fields)) {
var buffer bytes.Buffer
var fields Fields
logger := New()
logger.Out = &buffer
logger.Formatter = new(JSONFormatter)
log(logger)
err := json.Unmarshal(buffer.Bytes(), &fields)
assert.Nil(t, err)
assertions(fields)
}
func LogAndAssertText(t *testing.T, log func(*Logger), assertions func(fields map[string]string)) {
var buffer bytes.Buffer
logger := New()
logger.Out = &buffer
logger.Formatter = &TextFormatter{
DisableColors: true,
}
log(logger)
fields := make(map[string]string)
for _, kv := range strings.Split(buffer.String(), " ") {
if !strings.Contains(kv, "=") {
continue
}
kvArr := strings.Split(kv, "=")
key := strings.TrimSpace(kvArr[0])
val, err := strconv.Unquote(kvArr[1])
assert.NoError(t, err)
fields[key] = val
}
assertions(fields)
}
func TestPrint(t *testing.T) {
LogAndAssertJSON(t, func(log *Logger) {
log.Print("test")
}, func(fields Fields) {
assert.Equal(t, fields["msg"], "test")
assert.Equal(t, fields["level"], "info")
})
}
func TestInfo(t *testing.T) {
LogAndAssertJSON(t, func(log *Logger) {
log.Info("test")
}, func(fields Fields) {
assert.Equal(t, fields["msg"], "test")
assert.Equal(t, fields["level"], "info")
})
}
func TestWarn(t *testing.T) {
LogAndAssertJSON(t, func(log *Logger) {
log.Warn("test")
}, func(fields Fields) {
assert.Equal(t, fields["msg"], "test")
assert.Equal(t, fields["level"], "warning")
})
}
func TestInfolnShouldAddSpacesBetweenStrings(t *testing.T) {
LogAndAssertJSON(t, func(log *Logger) {
log.Infoln("test", "test")
}, func(fields Fields) {
assert.Equal(t, fields["msg"], "test test")
})
}
func TestInfolnShouldAddSpacesBetweenStringAndNonstring(t *testing.T) {
LogAndAssertJSON(t, func(log *Logger) {
log.Infoln("test", 10)
}, func(fields Fields) {
assert.Equal(t, fields["msg"], "test 10")
})
}
func TestInfolnShouldAddSpacesBetweenTwoNonStrings(t *testing.T) {
LogAndAssertJSON(t, func(log *Logger) {
log.Infoln(10, 10)
}, func(fields Fields) {
assert.Equal(t, fields["msg"], "10 10")
})
}
func TestInfoShouldAddSpacesBetweenTwoNonStrings(t *testing.T) {
LogAndAssertJSON(t, func(log *Logger) {
log.Infoln(10, 10)
}, func(fields Fields) {
assert.Equal(t, fields["msg"], "10 10")
})
}
func TestInfoShouldNotAddSpacesBetweenStringAndNonstring(t *testing.T) {
LogAndAssertJSON(t, func(log *Logger) {
log.Info("test", 10)
}, func(fields Fields) {
assert.Equal(t, fields["msg"], "test10")
})
}
func TestInfoShouldNotAddSpacesBetweenStrings(t *testing.T) {
LogAndAssertJSON(t, func(log *Logger) {
log.Info("test", "test")
}, func(fields Fields) {
assert.Equal(t, fields["msg"], "testtest")
})
}
func TestWithFieldsShouldAllowAssignments(t *testing.T) {
var buffer bytes.Buffer
var fields Fields
logger := New()
logger.Out = &buffer
logger.Formatter = new(JSONFormatter)
localLog := logger.WithFields(Fields{
"key1": "value1",
})
localLog.WithField("key2", "value2").Info("test")
err := json.Unmarshal(buffer.Bytes(), &fields)
assert.Nil(t, err)
assert.Equal(t, "value2", fields["key2"])
assert.Equal(t, "value1", fields["key1"])
buffer = bytes.Buffer{}
fields = Fields{}
localLog.Info("test")
err = json.Unmarshal(buffer.Bytes(), &fields)
assert.Nil(t, err)
_, ok := fields["key2"]
assert.Equal(t, false, ok)
assert.Equal(t, "value1", fields["key1"])
}
func TestUserSuppliedFieldDoesNotOverwriteDefaults(t *testing.T) {
LogAndAssertJSON(t, func(log *Logger) {
log.WithField("msg", "hello").Info("test")
}, func(fields Fields) {
assert.Equal(t, fields["msg"], "test")
})
}
func TestUserSuppliedMsgFieldHasPrefix(t *testing.T) {
LogAndAssertJSON(t, func(log *Logger) {
log.WithField("msg", "hello").Info("test")
}, func(fields Fields) {
assert.Equal(t, fields["msg"], "test")
assert.Equal(t, fields["fields.msg"], "hello")
})
}
func TestUserSuppliedTimeFieldHasPrefix(t *testing.T) {
LogAndAssertJSON(t, func(log *Logger) {
log.WithField("time", "hello").Info("test")
}, func(fields Fields) {
assert.Equal(t, fields["fields.time"], "hello")
})
}
func TestUserSuppliedLevelFieldHasPrefix(t *testing.T) {
LogAndAssertJSON(t, func(log *Logger) {
log.WithField("level", 1).Info("test")
}, func(fields Fields) {
assert.Equal(t, fields["level"], "info")
assert.Equal(t, fields["fields.level"], 1)
})
}
func TestDefaultFieldsAreNotPrefixed(t *testing.T) {
LogAndAssertText(t, func(log *Logger) {
ll := log.WithField("herp", "derp")
ll.Info("hello")
ll.Info("bye")
}, func(fields map[string]string) {
for _, fieldName := range []string{"fields.level", "fields.time", "fields.msg"} {
if _, ok := fields[fieldName]; ok {
t.Fatalf("should not have prefixed %q: %v", fieldName, fields)
}
}
})
}
func TestConvertLevelToString(t *testing.T) {
assert.Equal(t, "debug", DebugLevel.String())
assert.Equal(t, "info", InfoLevel.String())
assert.Equal(t, "warning", WarnLevel.String())
assert.Equal(t, "error", ErrorLevel.String())
assert.Equal(t, "fatal", FatalLevel.String())
assert.Equal(t, "panic", PanicLevel.String())
}
func TestParseLevel(t *testing.T) {
l, err := ParseLevel("panic")
assert.Nil(t, err)
assert.Equal(t, PanicLevel, l)
l, err = ParseLevel("fatal")
assert.Nil(t, err)
assert.Equal(t, FatalLevel, l)
l, err = ParseLevel("error")
assert.Nil(t, err)
assert.Equal(t, ErrorLevel, l)
l, err = ParseLevel("warn")
assert.Nil(t, err)
assert.Equal(t, WarnLevel, l)
l, err = ParseLevel("warning")
assert.Nil(t, err)
assert.Equal(t, WarnLevel, l)
l, err = ParseLevel("info")
assert.Nil(t, err)
assert.Equal(t, InfoLevel, l)
l, err = ParseLevel("debug")
assert.Nil(t, err)
assert.Equal(t, DebugLevel, l)
l, err = ParseLevel("invalid")
assert.Equal(t, "not a valid logrus Level: \"invalid\"", err.Error())
}