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Merge pull request #40143 from peay/event-when-cronjob-cannot-start
Automatic merge from submit-queue (batch tested with PRs 40196, 40143, 40277) Emit warning event when CronJob cannot determine starting time **What this PR does / why we need it**: In #39608, we've modified the error message for when a CronJob has too many unmet starting times to enumerate to figure out the next starting time. This makes it more "actionable", and the user can now set a deadline to avoid running into this. However, the error message is still only controller level AFAIK and thus not exposed to the user. From his perspective, there is no way to tell why the CronJob is not scheduling the next instance. The PR adds a warning event in addition to the error in the controller manager's log. **Which issue this PR fixes**: This is an addition to PR #39608 regarding #36311. **Special notes for your reviewer**: cc @soltysh **Release note**: ```release-note ```
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71c918d95c
@ -174,6 +174,7 @@ func SyncOne(sj batch.CronJob, js []batch.Job, now time.Time, jc jobControlInter
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}
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times, err := getRecentUnmetScheduleTimes(sj, now)
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if err != nil {
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recorder.Eventf(&sj, v1.EventTypeWarning, "FailedNeedsStart", "Cannot determine if job needs to be started: %v", err)
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glog.Errorf("Cannot determine if %s needs to be started: %v", nameForLog, err)
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}
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// TODO: handle multiple unmet start times, from oldest to newest, updating status as needed.
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@ -17,6 +17,7 @@ limitations under the License.
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package cronjob
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import (
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"strings"
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"testing"
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"time"
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@ -177,57 +178,58 @@ func TestSyncOne_RunOrNot(t *testing.T) {
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now time.Time
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// expectations
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expectCreate bool
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expectDelete bool
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expectActive int
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expectCreate bool
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expectDelete bool
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expectActive int
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expectedWarnings int
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}{
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"never ran, not time, A": {A, F, onTheHour, noDead, F, F, justBeforeTheHour(), F, F, 0},
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"never ran, not time, F": {f, F, onTheHour, noDead, F, F, justBeforeTheHour(), F, F, 0},
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"never ran, not time, R": {R, F, onTheHour, noDead, F, F, justBeforeTheHour(), F, F, 0},
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"never ran, is time, A": {A, F, onTheHour, noDead, F, F, justAfterTheHour(), T, F, 1},
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"never ran, is time, F": {f, F, onTheHour, noDead, F, F, justAfterTheHour(), T, F, 1},
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"never ran, is time, R": {R, F, onTheHour, noDead, F, F, justAfterTheHour(), T, F, 1},
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"never ran, is time, suspended": {A, T, onTheHour, noDead, F, F, justAfterTheHour(), F, F, 0},
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"never ran, is time, past deadline": {A, F, onTheHour, shortDead, F, F, justAfterTheHour(), F, F, 0},
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"never ran, is time, not past deadline": {A, F, onTheHour, longDead, F, F, justAfterTheHour(), T, F, 1},
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"never ran, not time, A": {A, F, onTheHour, noDead, F, F, justBeforeTheHour(), F, F, 0, 0},
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"never ran, not time, F": {f, F, onTheHour, noDead, F, F, justBeforeTheHour(), F, F, 0, 0},
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"never ran, not time, R": {R, F, onTheHour, noDead, F, F, justBeforeTheHour(), F, F, 0, 0},
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"never ran, is time, A": {A, F, onTheHour, noDead, F, F, justAfterTheHour(), T, F, 1, 0},
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"never ran, is time, F": {f, F, onTheHour, noDead, F, F, justAfterTheHour(), T, F, 1, 0},
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"never ran, is time, R": {R, F, onTheHour, noDead, F, F, justAfterTheHour(), T, F, 1, 0},
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"never ran, is time, suspended": {A, T, onTheHour, noDead, F, F, justAfterTheHour(), F, F, 0, 0},
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"never ran, is time, past deadline": {A, F, onTheHour, shortDead, F, F, justAfterTheHour(), F, F, 0, 0},
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"never ran, is time, not past deadline": {A, F, onTheHour, longDead, F, F, justAfterTheHour(), T, F, 1, 0},
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"prev ran but done, not time, A": {A, F, onTheHour, noDead, T, F, justBeforeTheHour(), F, F, 0},
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"prev ran but done, not time, F": {f, F, onTheHour, noDead, T, F, justBeforeTheHour(), F, F, 0},
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"prev ran but done, not time, R": {R, F, onTheHour, noDead, T, F, justBeforeTheHour(), F, F, 0},
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"prev ran but done, is time, A": {A, F, onTheHour, noDead, T, F, justAfterTheHour(), T, F, 1},
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"prev ran but done, is time, F": {f, F, onTheHour, noDead, T, F, justAfterTheHour(), T, F, 1},
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"prev ran but done, is time, R": {R, F, onTheHour, noDead, T, F, justAfterTheHour(), T, F, 1},
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"prev ran but done, is time, suspended": {A, T, onTheHour, noDead, T, F, justAfterTheHour(), F, F, 0},
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"prev ran but done, is time, past deadline": {A, F, onTheHour, shortDead, T, F, justAfterTheHour(), F, F, 0},
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"prev ran but done, is time, not past deadline": {A, F, onTheHour, longDead, T, F, justAfterTheHour(), T, F, 1},
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"prev ran but done, not time, A": {A, F, onTheHour, noDead, T, F, justBeforeTheHour(), F, F, 0, 0},
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"prev ran but done, not time, F": {f, F, onTheHour, noDead, T, F, justBeforeTheHour(), F, F, 0, 0},
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"prev ran but done, not time, R": {R, F, onTheHour, noDead, T, F, justBeforeTheHour(), F, F, 0, 0},
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"prev ran but done, is time, A": {A, F, onTheHour, noDead, T, F, justAfterTheHour(), T, F, 1, 0},
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"prev ran but done, is time, F": {f, F, onTheHour, noDead, T, F, justAfterTheHour(), T, F, 1, 0},
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"prev ran but done, is time, R": {R, F, onTheHour, noDead, T, F, justAfterTheHour(), T, F, 1, 0},
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"prev ran but done, is time, suspended": {A, T, onTheHour, noDead, T, F, justAfterTheHour(), F, F, 0, 0},
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"prev ran but done, is time, past deadline": {A, F, onTheHour, shortDead, T, F, justAfterTheHour(), F, F, 0, 0},
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"prev ran but done, is time, not past deadline": {A, F, onTheHour, longDead, T, F, justAfterTheHour(), T, F, 1, 0},
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"still active, not time, A": {A, F, onTheHour, noDead, T, T, justBeforeTheHour(), F, F, 1},
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"still active, not time, F": {f, F, onTheHour, noDead, T, T, justBeforeTheHour(), F, F, 1},
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"still active, not time, R": {R, F, onTheHour, noDead, T, T, justBeforeTheHour(), F, F, 1},
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"still active, is time, A": {A, F, onTheHour, noDead, T, T, justAfterTheHour(), T, F, 2},
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"still active, is time, F": {f, F, onTheHour, noDead, T, T, justAfterTheHour(), F, F, 1},
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"still active, is time, R": {R, F, onTheHour, noDead, T, T, justAfterTheHour(), T, T, 1},
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"still active, is time, suspended": {A, T, onTheHour, noDead, T, T, justAfterTheHour(), F, F, 1},
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"still active, is time, past deadline": {A, F, onTheHour, shortDead, T, T, justAfterTheHour(), F, F, 1},
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"still active, is time, not past deadline": {A, F, onTheHour, longDead, T, T, justAfterTheHour(), T, F, 2},
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"still active, not time, A": {A, F, onTheHour, noDead, T, T, justBeforeTheHour(), F, F, 1, 0},
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"still active, not time, F": {f, F, onTheHour, noDead, T, T, justBeforeTheHour(), F, F, 1, 0},
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"still active, not time, R": {R, F, onTheHour, noDead, T, T, justBeforeTheHour(), F, F, 1, 0},
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"still active, is time, A": {A, F, onTheHour, noDead, T, T, justAfterTheHour(), T, F, 2, 0},
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"still active, is time, F": {f, F, onTheHour, noDead, T, T, justAfterTheHour(), F, F, 1, 0},
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"still active, is time, R": {R, F, onTheHour, noDead, T, T, justAfterTheHour(), T, T, 1, 0},
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"still active, is time, suspended": {A, T, onTheHour, noDead, T, T, justAfterTheHour(), F, F, 1, 0},
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"still active, is time, past deadline": {A, F, onTheHour, shortDead, T, T, justAfterTheHour(), F, F, 1, 0},
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"still active, is time, not past deadline": {A, F, onTheHour, longDead, T, T, justAfterTheHour(), T, F, 2, 0},
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// Controller should fail to schedule these, as there are too many missed starting times
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// and either no deadline or a too long deadline.
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"prev ran but done, long overdue, not past deadline, A": {A, F, onTheHour, longDead, T, F, weekAfterTheHour(), F, F, 0},
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"prev ran but done, long overdue, not past deadline, R": {R, F, onTheHour, longDead, T, F, weekAfterTheHour(), F, F, 0},
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"prev ran but done, long overdue, not past deadline, F": {f, F, onTheHour, longDead, T, F, weekAfterTheHour(), F, F, 0},
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"prev ran but done, long overdue, no deadline, A": {A, F, onTheHour, noDead, T, F, weekAfterTheHour(), F, F, 0},
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"prev ran but done, long overdue, no deadline, R": {R, F, onTheHour, noDead, T, F, weekAfterTheHour(), F, F, 0},
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"prev ran but done, long overdue, no deadline, F": {f, F, onTheHour, noDead, T, F, weekAfterTheHour(), F, F, 0},
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"prev ran but done, long overdue, not past deadline, A": {A, F, onTheHour, longDead, T, F, weekAfterTheHour(), F, F, 0, 1},
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"prev ran but done, long overdue, not past deadline, R": {R, F, onTheHour, longDead, T, F, weekAfterTheHour(), F, F, 0, 1},
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"prev ran but done, long overdue, not past deadline, F": {f, F, onTheHour, longDead, T, F, weekAfterTheHour(), F, F, 0, 1},
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"prev ran but done, long overdue, no deadline, A": {A, F, onTheHour, noDead, T, F, weekAfterTheHour(), F, F, 0, 1},
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"prev ran but done, long overdue, no deadline, R": {R, F, onTheHour, noDead, T, F, weekAfterTheHour(), F, F, 0, 1},
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"prev ran but done, long overdue, no deadline, F": {f, F, onTheHour, noDead, T, F, weekAfterTheHour(), F, F, 0, 1},
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"prev ran but done, long overdue, past medium deadline, A": {A, F, onTheHour, mediumDead, T, F, weekAfterTheHour(), T, F, 1},
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"prev ran but done, long overdue, past short deadline, A": {A, F, onTheHour, shortDead, T, F, weekAfterTheHour(), T, F, 1},
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"prev ran but done, long overdue, past medium deadline, A": {A, F, onTheHour, mediumDead, T, F, weekAfterTheHour(), T, F, 1, 0},
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"prev ran but done, long overdue, past short deadline, A": {A, F, onTheHour, shortDead, T, F, weekAfterTheHour(), T, F, 1, 0},
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"prev ran but done, long overdue, past medium deadline, R": {R, F, onTheHour, mediumDead, T, F, weekAfterTheHour(), T, F, 1},
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"prev ran but done, long overdue, past short deadline, R": {R, F, onTheHour, shortDead, T, F, weekAfterTheHour(), T, F, 1},
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"prev ran but done, long overdue, past medium deadline, R": {R, F, onTheHour, mediumDead, T, F, weekAfterTheHour(), T, F, 1, 0},
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"prev ran but done, long overdue, past short deadline, R": {R, F, onTheHour, shortDead, T, F, weekAfterTheHour(), T, F, 1, 0},
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"prev ran but done, long overdue, past medium deadline, F": {f, F, onTheHour, mediumDead, T, F, weekAfterTheHour(), T, F, 1},
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"prev ran but done, long overdue, past short deadline, F": {f, F, onTheHour, shortDead, T, F, weekAfterTheHour(), T, F, 1},
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"prev ran but done, long overdue, past medium deadline, F": {f, F, onTheHour, mediumDead, T, F, weekAfterTheHour(), T, F, 1, 0},
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"prev ran but done, long overdue, past short deadline, F": {f, F, onTheHour, shortDead, T, F, weekAfterTheHour(), T, F, 1, 0},
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}
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for name, tc := range testCases {
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sj := cronJob()
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@ -295,10 +297,23 @@ func TestSyncOne_RunOrNot(t *testing.T) {
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if tc.expectDelete {
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expectedEvents++
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}
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expectedEvents += tc.expectedWarnings
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if len(recorder.Events) != expectedEvents {
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t.Errorf("%s: expected %d event, actually %v", name, expectedEvents, len(recorder.Events))
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}
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numWarnings := 0
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for i := 1; i <= len(recorder.Events); i++ {
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e := <-recorder.Events
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if strings.HasPrefix(e, v1.EventTypeWarning) {
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numWarnings += 1
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}
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}
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if numWarnings != tc.expectedWarnings {
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t.Errorf("%s: expected %d warnings, actually %v", name, tc.expectedWarnings, numWarnings)
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}
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if tc.expectActive != len(sjc.Updates[expectUpdates-1].Status.Active) {
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t.Errorf("%s: expected Active size %d, got %d", name, tc.expectActive, len(sjc.Updates[expectUpdates-1].Status.Active))
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}
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