2857: fix flaky time-sensitive tests

[arvados.git] / services / api / test / functional / arvados / v1 / collections_controller_test.rb

diff --git a/services/api/test/functional/arvados/v1/collections_controller_test.rb b/services/api/test/functional/arvados/v1/collections_controller_test.rb
index 8b2725a4bd266cf420fc71fc2a2f2bb356f9b860..ba6929be6497dfc3e62dd9245143d3b5a602e9e5 100644 (file)
--- a/services/api/test/functional/arvados/v1/collections_controller_test.rb
+++ b/services/api/test/functional/arvados/v1/collections_controller_test.rb
@@ -2,6 +2,25 @@ require 'test_helper'
 
 class Arvados::V1::CollectionsControllerTest < ActionController::TestCase
 
+  # StoppedClock.now always returns the same timestamp.
+  # Set the Blob permission signing clock to ensure that
+  # all permission hints use consistent timestamps for testing.
+
+  class StoppedClock
+    @@cached_timestamp = Time.now
+    def self.now
+      return @@cached_timestamp
+    end
+  end
+
+  def setup
+    Blob.set_clock(StoppedClock)
+  end
+
+  def teardown
+    Blob.set_clock(Time)
+  end
+
   test "should get index" do
     authorize_with :active
     get :index