// Called just before TestMain calls m.Run.
// Returns a cleanup function to be called after the tests finish.
func initSinks(ctx context.Context) func() {
// Create a unique GCS bucket so concurrent tests don't interfere with each other.
testBucketPrefix := testProjectID + "-log-sink"
testBucket := ltesting.UniqueID(testBucketPrefix)
testSinkDestination = "storage.googleapis.com/" + testBucket
var storageClient *storage.Client
if integrationTest {
// Create a unique bucket as a sink destination, and give the cloud logging account
// owner right.
ts := testutil.TokenSource(ctx, storage.ScopeFullControl)
var err error
storageClient, err = storage.NewClient(ctx, option.WithTokenSource(ts))
if err != nil {
log.Fatalf("new storage client: %v", err)
}
bucket := storageClient.Bucket(testBucket)
if err := bucket.Create(ctx, testProjectID, nil); err != nil {
log.Fatalf("creating storage bucket %q: %v", testBucket, err)
}
if err := bucket.ACL().Set(ctx, "*****@*****.**", storage.RoleOwner); err != nil {
log.Fatalf("setting owner role: %v", err)
}
}
// Clean up from aborted tests.
for _, sID := range ltesting.ExpiredUniqueIDs(sinkIDs(ctx), testSinkIDPrefix) {
client.DeleteSink(ctx, sID) // ignore error
}
if integrationTest {
for _, bn := range ltesting.ExpiredUniqueIDs(bucketNames(ctx, storageClient), testBucketPrefix) {
storageClient.Bucket(bn).Delete(ctx) // ignore error
}
return func() {
if err := storageClient.Bucket(testBucket).Delete(ctx); err != nil {
log.Printf("deleting %q: %v", testBucket, err)
}
storageClient.Close()
}
}
return func() {}
}
// Initializes the tests before they run.
func initMetrics(ctx context.Context) {
// Clean up from aborted tests.
var IDs []string
it := client.Metrics(ctx)
loop:
for {
m, err := it.Next()
switch err {
case nil:
IDs = append(IDs, m.ID)
case iterator.Done:
break loop
default:
log.Printf("cleanupMetrics: %v", err)
return
}
}
for _, mID := range ltesting.ExpiredUniqueIDs(IDs, testMetricIDPrefix) {
client.DeleteMetric(ctx, mID)
}
}