From 8ac8f5fc783bc3bf20456a24dd9bf76e4192e546 Mon Sep 17 00:00:00 2001
From: Ilia Motornyi <elmot@vaadin.com>
Date: Wed, 21 Jun 2017 11:14:17 +0300
Subject: Fix keymapper reverse mapping (#9535)

Fixes #9470
---
 .../vaadin/tests/data/GridRefreshWithGetId.java    | 109 +++++++++++++++++++++
 .../tests/data/GridRefreshWithGetIdTest.java       |  27 +++++
 2 files changed, 136 insertions(+)
 create mode 100644 uitest/src/main/java/com/vaadin/tests/data/GridRefreshWithGetId.java
 create mode 100644 uitest/src/test/java/com/vaadin/tests/data/GridRefreshWithGetIdTest.java

(limited to 'uitest')

diff --git a/uitest/src/main/java/com/vaadin/tests/data/GridRefreshWithGetId.java b/uitest/src/main/java/com/vaadin/tests/data/GridRefreshWithGetId.java
new file mode 100644
index 0000000000..b37956d126
--- /dev/null
+++ b/uitest/src/main/java/com/vaadin/tests/data/GridRefreshWithGetId.java
@@ -0,0 +1,109 @@
+package com.vaadin.tests.data;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import com.vaadin.annotations.Widgetset;
+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;
+
+@Widgetset("com.vaadin.DefaultWidgetSet")
+public class GridRefreshWithGetId extends AbstractTestUI {
+
+    private static class TestObject {
+
+        private final int id;
+        private String name;
+
+        public TestObject(int id, String name) {
+            this.id = id;
+            this.name = name;
+        }
+
+        public int getId() {
+            return id;
+        }
+
+        public String getName() {
+            return name;
+        }
+
+        public void setName(String name) {
+            this.name = name;
+        }
+
+        /**
+         * The class intentionally has strange {@code hashCode()} and {@code equals()}
+         * implementation to ensure if {@code Grid} relies on bean id rather than on
+         * bean hashcode/equals identification.
+         *
+         * {@see Object.equals}
+         */
+        @Override
+        public boolean equals(Object o) {
+            if (this == o)
+                return true;
+            if (o == null || getClass() != o.getClass())
+                return false;
+
+            TestObject myObject = (TestObject) o;
+
+            if (id != myObject.id)
+                return false;
+            return name != null ? name.equals(myObject.name)
+                    : myObject.name == null;
+        }
+
+        /**
+         * The class intentionally has strange {@code hashCode()} and {@code equals()}
+         * implementation to ensure if {@code Grid} relies on bean id rather than on
+         * bean hashcode/equals identification.
+         *
+         * {@see Object.hashCode}
+         */
+        @Override
+        public int hashCode() {
+            int result = id;
+            result = 31 * result + (name != null ? name.hashCode() : 0);
+            return result;
+        }
+    }
+
+    @Override
+    protected void setup(VaadinRequest request) {
+        List<TestObject> data = new ArrayList<>();
+        data.add(new TestObject(0, "blue"));
+        data.add(new TestObject(1, "red"));
+        data.add(new TestObject(2, "green"));
+        data.add(new TestObject(3, "yellow"));
+        data.add(new TestObject(4, "purple"));
+
+        ListDataProvider<TestObject> dataProvider = new ListDataProvider<TestObject>(
+                data) {
+
+            @Override
+            public Object getId(TestObject item) {
+                return item.getId();
+            }
+        };
+
+        Grid<TestObject> grid = new Grid<>();
+        grid.setDataProvider(dataProvider);
+        addComponent(grid);
+
+        grid.addColumn(myObject -> {
+            return myObject.getName();
+        });
+
+        Button button = new Button("Change green to black");
+        button.addClickListener(event1 -> {
+            TestObject myObject = data.get(2);
+            myObject.setName("black");
+            dataProvider.refreshItem(myObject);
+        });
+        addComponent(button);
+    }
+}
diff --git a/uitest/src/test/java/com/vaadin/tests/data/GridRefreshWithGetIdTest.java b/uitest/src/test/java/com/vaadin/tests/data/GridRefreshWithGetIdTest.java
new file mode 100644
index 0000000000..c3bda4f3ca
--- /dev/null
+++ b/uitest/src/test/java/com/vaadin/tests/data/GridRefreshWithGetIdTest.java
@@ -0,0 +1,27 @@
+package com.vaadin.tests.data;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import com.vaadin.testbench.elements.ButtonElement;
+import com.vaadin.testbench.elements.GridElement;
+import com.vaadin.tests.tb3.SingleBrowserTest;
+
+public class GridRefreshWithGetIdTest extends SingleBrowserTest {
+
+    @Test
+    public void testDataIdentifiedAndUpdated() {
+        openTestURL();
+        // Select item
+        GridElement grid = $(GridElement.class).first();
+        grid.getCell(2, 0).click();
+        Assert.assertTrue("Row should be selected",
+                grid.getRow(2).isSelected());
+        Assert.assertEquals("green", grid.getCell(2, 0).getText());
+        $(ButtonElement.class).first().click();
+        Assert.assertTrue("Row was no longer selected",
+                grid.getRow(2).isSelected());
+        Assert.assertEquals("black", grid.getCell(2, 0).getText());
+    }
+
+}
-- 
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