New worker streaming tests

core/worker/lib/streaming/core/metrics.js

@@ -1,16 +1,10 @@
 const { mean } = require('@hkube/stats');
-const Logger = require('@hkube/logger');
-
 const _calcRate = (list) => {
     let first = list[0];
     if (list.length === 1) {
         first = { time: first.time - 2000, count: 0 };
     }
     const last = list[list.length - 1];
-
-    const log = Logger.GetLogFromContainer();
-    log.info(`STATISTICS: first value: ${first.count}, last value: ${last.count}, time diff: ${last.time - first.time} ms`);
-
     const timeDiff = (last.time - first.time) / 1000;
     const countDiff = last.count - first.count;
     let rate = 0;

core/worker/lib/streaming/core/statistics.js

@@ -27,7 +27,7 @@ class Statistics {
         stats.requests.add(this._createItem(requests));
         stats.responses.add(this._createItem(responses));
         stats.durations.addRange(netDurations);
-        stats.grossDurations.addRange(durations);
+        stats.grossDurations.addRange(durations); // used to calculate round trip
         stats.queueDurations.addRange(queueDurations);
 
         this._data[source] = {

core/worker/test/mocks/pipeline.json

@@ -0,0 +1,77 @@
+{
+    "name": "stream",
+    "kind": "stream",
+    "nodes": [
+        {
+            "nodeName": "A",
+            "algorithmName": "eval-alg",
+            "input": [
+                "@flowInput.arraySize",
+                "@flowInput.bufferSize"
+            ],
+            "stateType": "stateful",
+            "maxStatelessCount": 0
+        },
+        {
+            "nodeName": "B",
+            "algorithmName": "eval-alg",
+            "input": [
+                "@flowInput.arraySize",
+                "@flowInput.bufferSize"
+            ],
+            "stateType": "stateful"
+        },
+        {
+            "nodeName": "C",
+            "algorithmName": "eval-alg",
+            "input": [
+                "@flowInput.arraySize",
+                "@flowInput.bufferSize"
+            ],
+            "stateType": "stateful"
+        },
+        {
+            "nodeName": "D",
+            "algorithmName": "eval-alg",
+            "input": [],
+            "stateType": "stateless"
+        },
+        {
+            "nodeName": "E",
+            "algorithmName": "eval-alg",
+            "input": [],
+            "stateType": "stateless",
+            "minStatelessCount": 10
+        },
+        {
+            "nodeName": "F",
+            "algorithmName": "eval-alg",
+            "input": [],
+            "stateType": "stateless",
+            "minStatelessCount": 3,
+            "maxStatelessCount": 2
+        }
+    ],
+    "edges": [
+        { "source": "A", "target": "D" },
+        { "source": "B", "target": "D" },
+        { "source": "C", "target": "D" },
+        { "source": "A", "target": "E" },
+        { "source": "B", "target": "E" },
+        { "source": "C", "target": "F" }
+    ],
+    "flowInputMetadata": {
+        "metadata": {
+            "flowInput.arraySize": {
+                "type": "number"
+            },
+            "flowInput.bufferSize": {
+                "type": "number"
+            }
+        },
+        "storageInfo": {
+            "path": "local-hkube/main:streaming:9dy12jfh/main:streaming:9dy12jfh"
+        }
+    }
+}
+