changed default description to empty string instead of null (#438)

Signed-off-by: Amit Galitzky <[email protected]> (cherry picked from commit 124a269)
opensearch-project · Mar 22, 2022 · b97e04b · b97e04b
1 parent 68d2a4e
commit b97e04b
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Showing 2 changed files with 13 additions and 1 deletion.
diff --git a/src/main/java/org/opensearch/ad/model/AnomalyDetector.java b/src/main/java/org/opensearch/ad/model/AnomalyDetector.java
@@ -420,7 +420,7 @@ public static AnomalyDetector parse(
         TimeValue defaultDetectionWindowDelay
     ) throws IOException {
         String name = null;
-        String description = null;
+        String description = "";
         String timeField = null;
         List<String> indices = new ArrayList<String>();
         QueryBuilder filterQuery = QueryBuilders.matchAllQuery();

diff --git a/src/test/java/org/opensearch/ad/model/AnomalyDetectorTests.java b/src/test/java/org/opensearch/ad/model/AnomalyDetectorTests.java
@@ -636,4 +636,16 @@ public void testValidateResultIndex() {
         errorMessage = AnomalyDetector.validateResultIndex(CUSTOM_RESULT_INDEX_PREFIX + "abc#");
         assertEquals(INVALID_CHAR_IN_RESULT_INDEX_NAME, errorMessage);
     }
+
+    public void testParseAnomalyDetectorWithNoDescription() throws IOException {
+        String detectorString = "{\"name\":\"todagtCMkwpcaedpyYUM\",\"time_field\":\"dJRwh\",\"indices\":[\"eIrgWMqAED\"],"
+            + "\"feature_attributes\":[{\"feature_id\":\"lxYRN\",\"feature_name\":\"eqSeU\",\"feature_enabled\""
+            + ":true,\"aggregation_query\":{\"aa\":{\"value_count\":{\"field\":\"ok\"}}}}],\"detection_interval\":"
+            + "{\"period\":{\"interval\":425,\"unit\":\"Minutes\"}},\"window_delay\":{\"period\":{\"interval\":973,"
+            + "\"unit\":\"Minutes\"}},\"shingle_size\":4,\"schema_version\":-1203962153,\"ui_metadata\":{\"JbAaV\":{\"feature_id\":"
+            + "\"rIFjS\",\"feature_name\":\"QXCmS\",\"feature_enabled\":false,\"aggregation_query\":{\"aa\":"
+            + "{\"value_count\":{\"field\":\"ok\"}}}}},\"last_update_time\":1568396089028}";
+        AnomalyDetector parsedDetector = AnomalyDetector.parse(TestHelpers.parser(detectorString), "id", 1L, null, null);
+        assertEquals(parsedDetector.getDescription(), "");
+    }
 }