diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/functional/common/provisioning/test_pv_resize.py | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/tests/functional/common/provisioning/test_pv_resize.py b/tests/functional/common/provisioning/test_pv_resize.py index 2ec7773a..2552bf56 100644 --- a/tests/functional/common/provisioning/test_pv_resize.py +++ b/tests/functional/common/provisioning/test_pv_resize.py @@ -21,6 +21,7 @@ from cnslibs.common.openshift_ops import ( wait_for_pod_be_ready, wait_for_resource_absence) from cnslibs.cns.cns_baseclass import CnsBaseClass +from cnslibs.common.exceptions import ExecutionError from glusto.core import Glusto as g @@ -199,3 +200,43 @@ class TestPvResizeClass(CnsBaseClass): ret, out, err = oc_rsh(self.node, pod_name, cmd) self.assertEqual( ret, 0, "Failed to write data after failed attempt to expand PVC.") + + def test_pv_resize_try_shrink_pv_size(self): + """testcase CNS-1039 """ + dir_path = "/mnt/" + self._create_storage_class() + node = self.ocp_master_node[0] + + pv_size = 5 + # Create PVC + pvc_name = oc_create_pvc(node, self.sc_name, pvc_size=pv_size) + self.addCleanup(wait_for_resource_absence, + node, 'pvc', pvc_name) + self.addCleanup(oc_delete, node, 'pvc', pvc_name) + verify_pvc_status_is_bound(node, pvc_name) + + # Create DC with POD and attached PVC to it. + dc_name = oc_create_app_dc_with_io(node, pvc_name) + self.addCleanup(oc_delete, node, 'dc', dc_name) + self.addCleanup(scale_dc_pod_amount_and_wait, + node, dc_name, 0) + + pod_name = get_pod_name_from_dc(node, dc_name) + wait_for_pod_be_ready(node, pod_name) + + cmd = ("dd if=/dev/urandom of=%sfile " + "bs=100K count=3000") % dir_path + ret, out, err = oc_rsh(node, pod_name, cmd) + self.assertEqual(ret, 0, "failed to execute command %s on %s" % ( + cmd, node)) + pvc_resize = 2 + with self.assertRaises(ExecutionError): + resize_pvc(node, pvc_name, pvc_resize) + verify_pvc_size(node, pvc_name, pv_size) + pv_name = get_pv_name_from_pvc(node, pvc_name) + verify_pv_size(node, pv_name, pv_size) + cmd = ("dd if=/dev/urandom of=%sfile_new " + "bs=100K count=2000") % dir_path + ret, out, err = oc_rsh(node, pod_name, cmd) + self.assertEqual(ret, 0, "failed to execute command %s on %s" % ( + cmd, node)) |