From a9a036ddae736175716eb7b9745fec5a52de1573 Mon Sep 17 00:00:00 2001
From: "github-actions[bot]" <github-actions[bot]@users.noreply.github.com>
Date: Wed, 1 Nov 2023 18:15:30 +0000
Subject: [PATCH] Transform pipeline aggr test (#1027)

* tester code: pipeline aggr. transform job

Signed-off-by: n-dohrmann <noah@dohrmann.org>

* made test case for pipeline aggregator in transform job

Signed-off-by: n-dohrmann <noah@dohrmann.org>

* removed unnec. test lines

Signed-off-by: n-dohrmann <noah@dohrmann.org>

* re-added method call on Transform obj

Signed-off-by: n-dohrmann <noah@dohrmann.org>

---------

Signed-off-by: n-dohrmann <noah@dohrmann.org>
(cherry picked from commit 4eaf3650a49990768a7bb1ce27fceeacac147587)
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
---
 .../transform/TransformRunnerIT.kt            | 38 +++++++++++++++++++
 1 file changed, 38 insertions(+)

diff --git a/src/test/kotlin/org/opensearch/indexmanagement/transform/TransformRunnerIT.kt b/src/test/kotlin/org/opensearch/indexmanagement/transform/TransformRunnerIT.kt
index b21fc3cc2..3f4dfdcdb 100644
--- a/src/test/kotlin/org/opensearch/indexmanagement/transform/TransformRunnerIT.kt
+++ b/src/test/kotlin/org/opensearch/indexmanagement/transform/TransformRunnerIT.kt
@@ -27,9 +27,11 @@ import org.opensearch.script.ScriptType
 import org.opensearch.search.aggregations.AggregationBuilders
 import org.opensearch.search.aggregations.AggregatorFactories
 import org.opensearch.search.aggregations.metrics.ScriptedMetricAggregationBuilder
+import org.opensearch.search.aggregations.pipeline.BucketScriptPipelineAggregationBuilder
 import java.lang.Integer.min
 import java.time.Instant
 import java.time.temporal.ChronoUnit
+import kotlin.test.assertFailsWith
 
 class TransformRunnerIT : TransformRestTestCase() {
 
@@ -688,6 +690,42 @@ class TransformRunnerIT : TransformRestTestCase() {
         assertTrue("Expected failure message to be present", !metadata.failureReason.isNullOrBlank())
     }
 
+    fun `test transform with invalid pipeline aggregation triggering search failure`() {
+        assertFailsWith(IllegalArgumentException::class, "Bucket-script aggregation must fail!") {
+            validateSourceIndex("transform-source-index")
+
+            val aggregatorFactories = AggregatorFactories.builder()
+            aggregatorFactories.addPipelineAggregator(
+                BucketScriptPipelineAggregationBuilder(
+                    "test_pipeline_aggregation",
+                    Script("1")
+                )
+            )
+
+            val transform = Transform(
+                id = "id_17",
+                schemaVersion = 1L,
+                enabled = true,
+                enabledAt = Instant.now(),
+                updatedAt = Instant.now(),
+                jobSchedule = IntervalSchedule(Instant.now(), 1, ChronoUnit.MINUTES),
+                description = "test transform",
+                metadataId = null,
+                sourceIndex = "transform-source-index",
+                targetIndex = "transform-target-index",
+                roles = emptyList(),
+                pageSize = 1,
+                groups = listOf(
+                    Terms(sourceField = "store_and_fwd_flag", targetField = "flag"),
+                    Histogram(sourceField = "passenger_count", targetField = "count", interval = 2.0),
+                    DateHistogram(sourceField = "tpep_pickup_datetime", targetField = "date", fixedInterval = "1d")
+                ),
+                aggregations = aggregatorFactories
+            ).let { createTransform(it, it.id) }
+            updateTransformStartTime(transform)
+        }
+    }
+
     fun `test transform with data stream`() {
         // Create a data stream.
         val dataStreamName = "transform-data-stream"