func (s *bufferedLogWriterSuite) TestUninstallBufferedLogWriter(c *gc.C) {
_, err := logsender.InstallBufferedLogWriter(10)
c.Assert(err, jc.ErrorIsNil)
err = logsender.UninstallBufferedLogWriter()
c.Assert(err, jc.ErrorIsNil)
// Second uninstall attempt should fail
err = logsender.UninstallBufferedLogWriter()
c.Assert(err, gc.ErrorMatches, "failed to uninstall log buffering: .+")
}
func (s *bufferedLogWriterSuite) TestInstallBufferedLogWriter(c *gc.C) {
logsCh, err := logsender.InstallBufferedLogWriter(10)
c.Assert(err, jc.ErrorIsNil)
defer logsender.UninstallBufferedLogWriter()
logger := loggo.GetLogger("bufferedLogWriter-test")
for i := 0; i < 5; i++ {
logger.Infof("%d", i)
}
for i := 0; i < 5; i++ {
select {
case rec := <-logsCh:
c.Assert(rec.Message, gc.Equals, strconv.Itoa(i))
case <-time.After(coretesting.LongWait):
c.Fatal("timed out waiting for logs")
}
}
}
func (s *bufferedLogWriterSuite) TestUninstallBufferedLogWriterNoFeatureFlag(c *gc.C) {
err := logsender.UninstallBufferedLogWriter()
// With the feature flag, uninstalling without first installing
// would result in an error.
c.Assert(err, jc.ErrorIsNil)
}