add test test_lifecycle_expiration_newer_noncurrent()

This verifies the new NewerNoncurrentVersions lifecycle filter
operator.

Signed-off-by: Matt Benjamin <mbenjamin@redhat.com>

s3tests_boto3/functional/test_s3.py

@@ -8433,6 +8433,63 @@ def test_lifecycle_expiration_noncur_tags1():
     # at T+60, only the current object version should exist
     assert num_objs == 1
 
+def wait_interval_list_object_versions(client, bucket_name, secs):
+    time.sleep(secs)
+    try:
+        response  = client.list_object_versions(Bucket=bucket_name)
+        objs_list = response['Versions']
+    except:
+        objs_list = []
+    return len(objs_list)
+
+@pytest.mark.lifecycle
+@pytest.mark.lifecycle_expiration
+@pytest.mark.fails_on_aws
+@pytest.mark.fails_on_dbstore
+def test_lifecycle_expiration_newer_noncurrent():
+    bucket_name = get_new_bucket()
+    client = get_client()
+
+    check_configure_versioning_retry(bucket_name, "Enabled", "Enabled")
+
+    # create 10 object versions (9 noncurrent)
+    key = "myobject_"
+
+    for ix in range(10):
+        body = "%s v%d" % (key, ix)
+        response = client.put_object(Bucket=bucket_name, Key=key, Body=body)
+        assert response['ResponseMetadata']['HTTPStatusCode'] == 200
+
+    # add a lifecycle rule which sets newer-noncurrent-versions to 5
+    days = 1
+    lifecycle_config = {
+        'Rules': [
+            {
+                'NoncurrentVersionExpiration': {
+                    'NoncurrentDays': days,
+                    'NewerNoncurrentVersions': 5,
+                },
+                'ID': 'newer_noncurrent1',
+                'Filter': {
+                    'Prefix': '',
+                },
+                'Status': 'Enabled',
+            },
+        ]
+    }
+
+    response = client.put_bucket_lifecycle_configuration(
+        Bucket=bucket_name, LifecycleConfiguration=lifecycle_config)
+    assert response['ResponseMetadata']['HTTPStatusCode'] == 200
+
+    lc_interval = get_lc_debug_interval()
+
+    num_objs = wait_interval_list_object_versions(
+        client, bucket_name, 2*lc_interval)
+
+    # at T+20, 6 objects should exist (1 current and (9 - 5) noncurrent)
+    assert num_objs == 6
+
 @pytest.mark.lifecycle
 def test_lifecycle_id_too_long():
     bucket_name = get_new_bucket()