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Update desc, naming, cleanup handling

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This commit is contained in:
Caleb Woodbine 2020-06-03 11:36:21 +12:00
parent cd314c193c
commit 8945d98805
1 changed files with 10 additions and 10 deletions
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20
test/e2e/framework/util.go
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@ -1295,13 +1295,14 @@ func taintExists(taints []v1.Taint, taintToFind *v1.Taint) bool {
// resourceName the name of the given resource // resourceName the name of the given resource
// listOptions options used to find the resource, recommended to use listOptions.labelSelector // listOptions options used to find the resource, recommended to use listOptions.labelSelector
// expectedWatchEvents array of events which are expected to occur // expectedWatchEvents array of events which are expected to occur
// scenario the function to run // scenario the test itself
func WatchEventSequenceVerifier(testContext context.Context, dc dynamic.Interface, resourceType schema.GroupVersionResource, namespace string, resourceName string, listOptions metav1.ListOptions, expectedWatchEvents []watch.Event, scenario func(*watchtools.RetryWatcher) []watch.Event) { // retryCleanup a function to run which ensures that there are no dangling resources upon test failure
initResource, err := dc.Resource(resourceType).Namespace(namespace).List(testContext, listOptions) func WatchEventSequenceVerifier(ctx context.Context, dc dynamic.Interface, resourceType schema.GroupVersionResource, namespace string, resourceName string, listOptions metav1.ListOptions, expectedWatchEvents []watch.Event, scenario func(*watchtools.RetryWatcher) []watch.Event, retryCleanup func() error) {
initResource, err := dc.Resource(resourceType).Namespace(namespace).List(ctx, listOptions)
ExpectNoError(err, "Failed to fetch initial resource") ExpectNoError(err, "Failed to fetch initial resource")
listWatcher := &cache.ListWatch{ listWatcher := &cache.ListWatch{
WatchFunc: func(listOptions metav1.ListOptions) (watch.Interface, error) { WatchFunc: func(listOptions metav1.ListOptions) (watch.Interface, error) {
return dc.Resource(resourceType).Namespace(namespace).Watch(testContext, listOptions) return dc.Resource(resourceType).Namespace(namespace).Watch(ctx, listOptions)
}, },
} }
resourceWatch, err := watchtools.NewRetryWatcher(initResource.GetResourceVersion(), listWatcher) resourceWatch, err := watchtools.NewRetryWatcher(initResource.GetResourceVersion(), listWatcher)
@ -1319,7 +1320,7 @@ retriesLoop:
actualWatchEventsHasDelete := false actualWatchEventsHasDelete := false
for watchEventIndex := range expectedWatchEvents { for watchEventIndex := range expectedWatchEvents {
foundExpectedWatchEvent := false foundExpectedWatchEvent := false
ExpectEqual(len(expectedWatchEvents) <= len(actualWatchEvents), true, "Error: actual watch events amount must be greater than or equal to expected watch events amount") ExpectEqual(len(expectedWatchEvents) <= len(actualWatchEvents), true, "Error: actual watch events amount (%d) must be greater than or equal to expected watch events amount (%d)", len(actualWatchEvents), len(expectedWatchEvents))
for actualWatchEventIndex := range actualWatchEvents { for actualWatchEventIndex := range actualWatchEvents {
if actualWatchEvents[watchEventIndex].Type == expectedWatchEvents[actualWatchEventIndex].Type { if actualWatchEvents[watchEventIndex].Type == expectedWatchEvents[actualWatchEventIndex].Type {
foundExpectedWatchEvent = true foundExpectedWatchEvent = true
@ -1333,15 +1334,14 @@ retriesLoop:
} }
totalValidWatchEvents++ totalValidWatchEvents++
} }
if actualWatchEventsHasDelete == false { err := retryCleanup()
_ = dc.Resource(resourceType).Namespace(namespace).DeleteCollection(testContext, metav1.DeleteOptions{}, listOptions) ExpectNoError(err, "Error occured when cleaning up resources")
}
if errs.Len() > 0 && try < retries { if errs.Len() > 0 && try < retries {
fmt.Println("invariants violated:\n", strings.Join(errs.List(), "\n - ")) fmt.Println("invariants violated:\n", strings.Join(errs.List(), "\n - "))
continue retriesLoop continue retriesLoop
} }
ExpectEqual(errs.Len() > 0, false, strings.Join(errs.List(), "\n - ")) ExpectEqual(errs.Len() > 0, false, strings.Join(errs.List(), "\n - "))
ExpectEqual(totalValidWatchEvents, len(expectedWatchEvents), "Error: there must be an equal amount of total valid watch events (%v) and expected watch events (%v)", totalValidWatchEvents, len(expectedWatchEvents)) ExpectEqual(totalValidWatchEvents, len(expectedWatchEvents), "Error: there must be an equal amount of total valid watch events (%d) and expected watch events (%d)", totalValidWatchEvents, len(expectedWatchEvents))
break retriesLoop break retriesLoop
} }
} }
@ -1353,7 +1353,7 @@ retriesLoop:
// Conditions are satisfied sequentially so as to provide a useful primitive for higher level composition. // Conditions are satisfied sequentially so as to provide a useful primitive for higher level composition.
// Waits until context deadline or until context is canceled. // Waits until context deadline or until context is canceled.
// //
// the same as watchtools.UntilWithoutRetry, just without the closing of the watch // the same as watchtools.UntilWithoutRetry, just without the closing of the watch - as for the purpose of being paired with WatchEventSequenceVerifier, the watch is needed for continual watch event collection
func WatchUntilWithoutRetry(ctx context.Context, watcher watch.Interface, conditions ...watchtools.ConditionFunc) (*watch.Event, error) { func WatchUntilWithoutRetry(ctx context.Context, watcher watch.Interface, conditions ...watchtools.ConditionFunc) (*watch.Event, error) {
ch := watcher.ResultChan() ch := watcher.ResultChan()
var lastEvent *watch.Event var lastEvent *watch.Event