func (s *ResumerSuite) TestResumerCalls(c *gc.C) {
// Shorter interval and mock help to count
// the resumer calls in a given timespan.
testInterval := 10 * time.Millisecond
resumer.SetInterval(testInterval)
defer resumer.RestoreInterval()
tr := &transactionResumerMock{[]time.Time{}}
rr := resumer.NewResumer(tr)
defer func() { c.Assert(rr.Stop(), gc.IsNil) }()
time.Sleep(10 * testInterval)
// Check that a numner of calls has happened with a time
// difference somewhere between the interval and twice the
// interval. A more precise time behavior cannot be
// specified due to the load during the test.
c.Assert(len(tr.timestamps) > 0, gc.Equals, true)
for i := 1; i < len(tr.timestamps); i++ {
diff := tr.timestamps[i].Sub(tr.timestamps[i-1])
c.Assert(diff >= testInterval, gc.Equals, true)
c.Assert(diff <= 4*testInterval, gc.Equals, true)
}
}
func (s *ResumerSuite) TestResumerCalls(c *gc.C) {
// Shorter interval and mock help to count
// the resumer calls in a given timespan.
testInterval := coretesting.ShortWait
resumer.SetInterval(testInterval)
defer resumer.RestoreInterval()
rr := resumer.NewResumer(s.mockState)
defer func() { c.Assert(rr.Stop(), gc.IsNil) }()
time.Sleep(10 * testInterval)
s.mockState.CheckTimestamps(c, testInterval)
}
func (s *ResumerSuite) TestResumeTransactionsFailure(c *gc.C) {
// Force the first call to ResumeTransactions() to fail, the
// remaining returning no error.
s.mockState.SetErrors(errors.New("boom!"))
// Shorter interval and mock help to count
// the resumer calls in a given timespan.
testInterval := coretesting.ShortWait
resumer.SetInterval(testInterval)
defer resumer.RestoreInterval()
rr := resumer.NewResumer(s.mockState)
defer func() { c.Assert(rr.Stop(), gc.IsNil) }()
// For 4 intervals between 2 and 3 calls should be made.
time.Sleep(4 * testInterval)
s.mockState.CheckNumCallsBetween(c, 2, 3)
}