Ensure removing a row does not cause exceptions in detail row handling. (#12330)

Fixes: #12328

1 files changed, 63 insertions, 0 deletions

diff --git a/uitest/src/main/java/com/vaadin/tests/components/grid/GridRemoveItemAllDetailsOpen.java b/uitest/src/main/java/com/vaadin/tests/components/grid/GridRemoveItemAllDetailsOpen.java
new file mode 100644
index 0000000000..55a604971d
--- /dev/null
+++ b/uitest/src/main/java/com/vaadin/tests/components/grid/GridRemoveItemAllDetailsOpen.java
@@ -0,0 +1,63 @@
+package com.vaadin.tests.components.grid;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+import com.vaadin.data.provider.ListDataProvider;
+import com.vaadin.server.VaadinRequest;
+import com.vaadin.tests.components.AbstractTestUI;
+import com.vaadin.ui.Button;
+import com.vaadin.ui.Grid;
+import com.vaadin.ui.HorizontalLayout;
+import com.vaadin.ui.Label;
+
+public class GridRemoveItemAllDetailsOpen extends AbstractTestUI {
+
+    @Override
+    protected void setup(VaadinRequest request) {
+        List<String> data = new ArrayList<>(
+                Arrays.asList("row1", "row2", "row3", "row4"));
+        Grid<String> grid = createGrid();
+
+        ListDataProvider<String> dataProvider = new ListDataProvider<>(data);
+        grid.setDataProvider(dataProvider);
+        data.forEach(item -> grid.setDetailsVisible(item, true));
+
+        Button removeBtn = new Button("Remove selected item");
+        removeBtn.addClickListener(event -> {
+            data.remove(grid.getSelectedItems().iterator().next());
+            dataProvider.refreshAll();
+            grid.deselectAll();
+        });
+        addComponent(removeBtn);
+        addComponent(grid);
+    }
+
+    private Grid<String> createGrid() {
+        Grid<String> grid = new Grid<>();
+        grid.setHeight("400px");
+        grid.addColumn(item -> item).setCaption("column").setId("column");
+        grid.setDetailsGenerator(item -> {
+            Button closeBtn = new Button("Close");
+            closeBtn.addClickListener(
+                    clickEvent -> grid.setDetailsVisible(item, false));
+            return new HorizontalLayout(new Label("Item details: " + item),
+                    closeBtn);
+        });
+        grid.addItemClickListener(
+                itemClick -> grid.setDetailsVisible(itemClick.getItem(), true));
+        return grid;
+    }
+
+    @Override
+    protected Integer getTicketNumber() {
+        return 12328;
+    }
+
+    @Override
+    protected String getTestDescription() {
+        return "Removing selected item (first or second)"
+                + "should not cause a client side exception.";
+    }
+}