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package logger
import (
"bytes"
"os"
"strings"
"testing"
"github.com/scaleway/scaleway-sdk-go/internal/testhelpers"
)
var (
expectedErrorf = "ERROR: cd"
expectedWarningf = "WARNING: ij"
expectedInfof = "INFO: op"
expectedDebugf = "DEBUG: uv"
)
func TestDebug(t *testing.T) {
buf := &bytes.Buffer{}
logThings(newLogger(buf, LogLevelDebug))
testThings(t, []string{
expectedErrorf,
expectedWarningf,
expectedInfof,
expectedDebugf,
}, buf.String())
}
func TestInfo(t *testing.T) {
buf := &bytes.Buffer{}
logThings(newLogger(buf, LogLevelInfo))
testThings(t, []string{
expectedErrorf,
expectedWarningf,
expectedInfof,
}, buf.String())
}
func TestWarning(t *testing.T) {
buf := &bytes.Buffer{}
logThings(newLogger(buf, LogLevelWarning))
testThings(t, []string{
expectedErrorf,
expectedWarningf,
}, buf.String())
}
func TestError(t *testing.T) {
buf := &bytes.Buffer{}
logThings(newLogger(buf, LogLevelError))
testThings(t, []string{
expectedErrorf,
}, buf.String())
}
func TestEnableDebugMode(t *testing.T) {
_defaultLogger := DefaultLogger
DefaultLogger = newLogger(os.Stderr, LogLevelWarning)
EnableDebugMode()
testhelpers.Equals(t, true, DefaultLogger.ShouldLog(LogLevelDebug))
DefaultLogger = _defaultLogger
}
func testThings(t *testing.T, expectedEvents []string, actualOutput string) {
t.Helper()
lines := strings.Split(actualOutput, "\n")
for i, line := range lines[:len(lines)-1] { // last line is always empty
tmp := strings.Split(line, " ")
actualMessage := strings.Join(append([]string{tmp[0]}, tmp[3:]...), " ") // date and hour is not kept
testhelpers.Equals(t, expectedEvents[i], actualMessage)
}
}
func logThings(log Logger) {
log.Errorf("c%s", "d")
log.Warningf("i%s", "j")
log.Infof("o%s", "p")
log.Debugf("u%s", "v")
}
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