Merge branch '15888-remove-py2-from-test' into master

[arvados.git] / lib / dispatchcloud / worker / pool_test.go

diff --git a/lib/dispatchcloud/worker/pool_test.go b/lib/dispatchcloud/worker/pool_test.go
index 0c173c107d4a248ec38ca635f5fa0ac219af6a4b..a85f7383ab3cdc59fcc1bd0e7ad936703666ca2f 100644 (file)
--- a/lib/dispatchcloud/worker/pool_test.go
+++ b/lib/dispatchcloud/worker/pool_test.go
@@ -199,6 +199,46 @@ func (suite *PoolSuite) TestDrain(c *check.C) {
        }
 }
 
+func (suite *PoolSuite) TestNodeCreateThrottle(c *check.C) {
+       logger := ctxlog.TestLogger(c)
+       driver := test.StubDriver{HoldCloudOps: true}
+       instanceSet, err := driver.InstanceSet(nil, "test-instance-set-id", nil, logger)
+       c.Assert(err, check.IsNil)
+
+       type1 := test.InstanceType(1)
+       pool := &Pool{
+               logger:                         logger,
+               instanceSet:                    &throttledInstanceSet{InstanceSet: instanceSet},
+               maxConcurrentInstanceCreateOps: 1,
+               instanceTypes: arvados.InstanceTypeMap{
+                       type1.Name: type1,
+               },
+       }
+
+       c.Check(pool.Unallocated()[type1], check.Equals, 0)
+       res := pool.Create(type1)
+       c.Check(pool.Unallocated()[type1], check.Equals, 1)
+       c.Check(res, check.Equals, true)
+
+       res = pool.Create(type1)
+       c.Check(pool.Unallocated()[type1], check.Equals, 1)
+       c.Check(res, check.Equals, false)
+
+       pool.instanceSet.throttleCreate.err = nil
+       pool.maxConcurrentInstanceCreateOps = 2
+
+       res = pool.Create(type1)
+       c.Check(pool.Unallocated()[type1], check.Equals, 2)
+       c.Check(res, check.Equals, true)
+
+       pool.instanceSet.throttleCreate.err = nil
+       pool.maxConcurrentInstanceCreateOps = 0
+
+       res = pool.Create(type1)
+       c.Check(pool.Unallocated()[type1], check.Equals, 3)
+       c.Check(res, check.Equals, true)
+}
+
 func (suite *PoolSuite) TestCreateUnallocShutdown(c *check.C) {
        logger := ctxlog.TestLogger(c)
        driver := test.StubDriver{HoldCloudOps: true}