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From dube...@apache.org
Subject [incubator-openwhisk] branch master updated: Fix heisenbug by using the correct view. (#3175)
Date Thu, 11 Jan 2018 01:38:31 GMT
This is an automated email from the ASF dual-hosted git repository.

dubeejw pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-openwhisk.git


The following commit(s) were added to refs/heads/master by this push:
     new 50c0142  Fix heisenbug by using the correct view. (#3175)
50c0142 is described below

commit 50c0142e9543b38ba2807b1c734c5af6c3116d72
Author: rodric rabbah <rodric@gmail.com>
AuthorDate: Wed Jan 10 20:38:28 2018 -0500

    Fix heisenbug by using the correct view. (#3175)
---
 .../scala/whisk/core/entity/WhiskActivation.scala  |  2 +-
 .../core/controller/test/ActivationsApiTests.scala |  7 +++++-
 .../scala/whisk/core/database/test/DbUtils.scala   | 26 +++++++++++++++++++---
 3 files changed, 30 insertions(+), 5 deletions(-)

diff --git a/common/scala/src/main/scala/whisk/core/entity/WhiskActivation.scala b/common/scala/src/main/scala/whisk/core/entity/WhiskActivation.scala
index cde7507..0525f50 100644
--- a/common/scala/src/main/scala/whisk/core/entity/WhiskActivation.scala
+++ b/common/scala/src/main/scala/whisk/core/entity/WhiskActivation.scala
@@ -159,7 +159,7 @@ object WhiskActivation
    * A view for activations in a namespace additionally keyed by action name
    * (and package name if present) sorted by date.
    */
-  private val filtersView = WhiskEntityQueries.view(filtersDdoc, collectionName)
+  val filtersView = WhiskEntityQueries.view(filtersDdoc, collectionName)
 
   override implicit val serdes = jsonFormat13(WhiskActivation.apply)
 
diff --git a/tests/src/test/scala/whisk/core/controller/test/ActivationsApiTests.scala b/tests/src/test/scala/whisk/core/controller/test/ActivationsApiTests.scala
index c36a7c1..edda225 100644
--- a/tests/src/test/scala/whisk/core/controller/test/ActivationsApiTests.scala
+++ b/tests/src/test/scala/whisk/core/controller/test/ActivationsApiTests.scala
@@ -338,7 +338,12 @@ class ActivationsApiTests extends ControllerTestCommon with WhiskActivationsApi
     }.toList
     activationsInPackage foreach { put(activationStore, _) }
 
-    waitOnView(activationStore, namespace.root, 4, WhiskActivation.view)
+    waitOnView(activationStore, namespace.addPath(EntityName("xyz")), activations.length,
WhiskActivation.filtersView)
+    waitOnView(
+      activationStore,
+      namespace.addPath(EntityName("pkg")).addPath(EntityName("xyz")),
+      activationsInPackage.length,
+      WhiskActivation.filtersView)
 
     whisk.utils.retry {
       Get(s"$collectionPath?name=xyz") ~> Route.seal(routes(creds)) ~> check {
diff --git a/tests/src/test/scala/whisk/core/database/test/DbUtils.scala b/tests/src/test/scala/whisk/core/database/test/DbUtils.scala
index 6c87faf..62c705b 100644
--- a/tests/src/test/scala/whisk/core/database/test/DbUtils.scala
+++ b/tests/src/test/scala/whisk/core/database/test/DbUtils.scala
@@ -86,11 +86,31 @@ trait DbUtils extends TransactionCounter {
   def waitOnView[Au](db: ArtifactStore[Au], namespace: EntityName, count: Int, view: View)(
     implicit context: ExecutionContext,
     transid: TransactionId,
-    timeout: Duration) = {
+    timeout: Duration): Unit = waitOnViewImpl(db, namespace.asString, count, view)
+
+  /**
+   * Wait on a view to update with documents added to namespace. This uses retry above,
+   * where the step performs a direct db query to retrieve the view and check the count
+   * matches the given value.
+   */
+  def waitOnView[Au](db: ArtifactStore[Au], path: EntityPath, count: Int, view: View)(
+    implicit context: ExecutionContext,
+    transid: TransactionId,
+    timeout: Duration): Unit = waitOnViewImpl(db, path.asString, count, view)
+
+  /**
+   * Wait on a view to update with documents added to namespace. This uses retry above,
+   * where the step performs a direct db query to retrieve the view and check the count
+   * matches the given value.
+   */
+  private def waitOnViewImpl[Au](db: ArtifactStore[Au], key: String, count: Int, view: View)(
+    implicit context: ExecutionContext,
+    transid: TransactionId,
+    timeout: Duration): Unit = {
     val success = retry(
       () => {
-        val startKey = List(namespace.asString)
-        val endKey = List(namespace.asString, WhiskEntityQueries.TOP)
+        val startKey = List(key)
+        val endKey = List(key, WhiskEntityQueries.TOP)
         db.query(view.name, startKey, endKey, 0, 0, false, true, false, StaleParameter.No)
map { l =>
           if (l.length != count) {
             throw RetryOp()

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