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Wait for events to be generated before verifying them

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This commit is contained in:
nikhiljindal 2015-10-13 14:32:14 -07:00
parent 307fbeec3f
commit 9ba4a3c4d0
2 changed files with 20 additions and 0 deletions
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1
test/e2e/deployment.go
View File

@ -255,6 +255,7 @@ func testRollingUpdateDeploymentEvents(f *Framework) {
// Verify that the pods were scaled up and down as expected. We use events to verify that.
deployment, err := c.Deployments(ns).Get(deploymentName)
Expect(err).NotTo(HaveOccurred())
waitForEvents(c, ns, deployment, 2)
events, err := c.Events(ns).Search(deployment)
if err != nil {
Logf("error in listing events: %s", err)

19
test/e2e/util.go
View File

@ -1631,6 +1631,25 @@ func waitForDeploymentStatus(c *client.Client, ns, deploymentName string, desire
})
}
// Waits for the number of events on the given object to reach a desired count.
func waitForEvents(c *client.Client, ns string, objOrRef runtime.Object, desiredEventsCount int) error {
return wait.Poll(poll, 5*time.Minute, func() (bool, error) {
events, err := c.Events(ns).Search(objOrRef)
if err != nil {
return false, fmt.Errorf("error in listing events: %s", err)
}
eventsCount := len(events.Items)
if eventsCount == desiredEventsCount {
return true, nil
}
if eventsCount < desiredEventsCount {
return false, nil
}
// Number of events has exceeded the desired count.
return false, fmt.Errorf("number of events has exceeded the desired count, eventsCount: %d, desiredCount: %d", eventsCount, desiredEventsCount)
})
}
// Convenient wrapper around listing nodes supporting retries.
func listNodes(c *client.Client, label labels.Selector, field fields.Selector) (*api.NodeList, error) {
var nodes *api.NodeList