Chart: valueAxis should not restore visualRange on dataSource update (T1262610)

packages/devextreme/js/viz/axes/base_axis.js

@@ -1171,10 +1171,15 @@ Axis.prototype = {
 
         if(!this.isArgumentAxis) {
             const viewport = this.getViewport();
-            if(!isDefined(viewport.startValue) &&
-                !isDefined(viewport.endValue) &&
-                !isDefined(viewport.length)) {
-                return RESET;
+            const isViewportNotDefined = !isDefined(viewport.startValue) && !isDefined(viewport.endValue) && !isDefined(viewport.length);
+
+            if(isViewportNotDefined) {
+                const visualRange = this.visualRange();
+                const isVisualRangeNotDefined = !isDefined(visualRange.startValue) && !isDefined(visualRange.endValue);
+
+                if(isVisualRangeNotDefined) {
+                    return RESET;
+                }
             }
         }
 

packages/devextreme/testing/tests/DevExpress.viz.charts/chart.visualRangeUpdate.tests.js

@@ -2881,7 +2881,8 @@ QUnit.test('AdjustOnZoom true - show adjusted value range for every argument ran
     let [chart, onOptionChanged] = this.createChart({
         adjustOnZoom: true,
         dataSource,
-        argumentAxis: { visualRange: [2, 4] }
+        argumentAxis: { visualRange: [2, 4] },
+        valueAxis: { visualRangeUpdateMode: 'reset' },
     });
     onOptionChanged.resetHistory();
 
@@ -2955,7 +2956,8 @@ QUnit.test('AdjustOnZoom false - show full value range for every argument range
     let [chart, onOptionChanged] = this.createChart({
         adjustOnZoom: false,
         dataSource,
-        argumentAxis: { visualRange: [2, 4] }
+        argumentAxis: { visualRange: [2, 4] },
+        valueAxis: { visualRangeUpdateMode: 'reset' },
     });
     onOptionChanged.resetHistory();
 

packages/devextreme/testing/tests/DevExpress.viz.charts/zoomAndPan.tests.js

@@ -2599,8 +2599,7 @@ QUnit.test('Pinch zoom. Big chart rendering time on start and small time in the
 
 QUnit.module('Misc', environment);
 
-// T1049139
-QUnit.test('visualRange updating after zoomming', function(assert) {
+QUnit.test('argument axis should not restore visual range on dataSource update (T1049139)', function(assert) {
     const dataSource = [{ arg: 1960, val: 10, }, { arg: 2020, val: 20, }];
     const chart = this.createChart({
         dataSource,
@@ -2629,6 +2628,36 @@ QUnit.test('visualRange updating after zoomming', function(assert) {
     assert.strictEqual(Math.floor(visualRange.endValue), 2018);
 });
 
+QUnit.test('value axis should not restore visual range on dataSource update (T1262610)', function(assert) {
+    const dataSource = [{ arg: 2000, val: 10, }, { arg: 2010, val: 20, }];
+    const chart = this.createChart({
+        dataSource,
+        legend: {
+            visible: false,
+        },
+        series: { type: 'bar' },
+        valueAxis: {
+            visualRangeUpdateMode: 'keep',
+            visualRange: {
+                startValue: 5,
+                endValue: 25,
+            }
+        },
+        zoomAndPan: {
+            valueAxis: 'both',
+        }
+    });
+
+    this.pointer.start({ x: 200, y: 250 }).wheel(10);
+    dataSource.push({ arg: 2020, val: 15 });
+    chart.option('dataSource', dataSource);
+
+    const visualRange = chart.getValueAxis().visualRange();
+
+    assert.strictEqual(Math.floor(visualRange.startValue), 6);
+    assert.strictEqual(Math.floor(visualRange.endValue), 24);
+});
+
 QUnit.test('Do nothing if no actions allowed', function(assert) {
     const onZoomStart = sinon.spy();
     const onZoomEnd = sinon.spy();