Add basic performance test (#10318)

Change-Id: Ic20e3849f0e51d6857ca04952f621a976d1c9a14

1 files changed, 182 insertions, 0 deletions

diff --git a/uitest/src/com/vaadin/tests/performance/BasicPerformanceTest.java b/uitest/src/com/vaadin/tests/performance/BasicPerformanceTest.java
new file mode 100644
index 0000000000..b0047d6b62
--- /dev/null
+++ b/uitest/src/com/vaadin/tests/performance/BasicPerformanceTest.java
@@ -0,0 +1,182 @@
+package com.vaadin.tests.performance;
+
+import java.util.Iterator;
+
+import com.vaadin.server.VaadinRequest;
+import com.vaadin.tests.util.TestUtils;
+import com.vaadin.ui.Button;
+import com.vaadin.ui.Button.ClickEvent;
+import com.vaadin.ui.Component;
+import com.vaadin.ui.ComponentContainer;
+import com.vaadin.ui.HorizontalLayout;
+import com.vaadin.ui.Label;
+import com.vaadin.ui.Panel;
+import com.vaadin.ui.TextArea;
+import com.vaadin.ui.UI;
+import com.vaadin.ui.VerticalLayout;
+import com.vaadin.ui.themes.Reindeer;
+
+public class BasicPerformanceTest extends UI {
+
+    private final VerticalLayout contentLayout = new VerticalLayout();
+
+    private int clientLimit;
+    private int serverLimit;
+    private String performanceTopic;
+    private final Button reportPerformanceButton = new Button(
+            "Report some performance", new Button.ClickListener() {
+                @Override
+                public void buttonClick(ClickEvent event) {
+                    TestUtils.reportPerformance(performanceTopic, serverLimit,
+                            clientLimit);
+                    event.getButton().setEnabled(false);
+                }
+            });
+
+    @Override
+    public void init(VaadinRequest request) {
+        setContent(buildMainLayout());
+        updatePerformanceReporting("first load", 100, 100);
+    }
+
+    private void updatePerformanceReporting(String performanceTopic,
+            int serverLimit, int clientLimit) {
+        this.performanceTopic = performanceTopic;
+        this.serverLimit = serverLimit;
+        this.clientLimit = clientLimit;
+        reportPerformanceButton.setCaption("Report performance for "
+                + performanceTopic);
+        reportPerformanceButton.setEnabled(true);
+    }
+
+    private ComponentContainer buildMainLayout() {
+        contentLayout.addComponent(new Label("Content lives here"));
+
+        Panel contentScroller = new Panel(contentLayout);
+        contentScroller.setStyleName(Reindeer.PANEL_LIGHT);
+        contentScroller.setSizeFull();
+
+        TextArea performanceReportArea = new TextArea();
+        performanceReportArea.setWidth("200px");
+        TestUtils.installPerformanceReporting(performanceReportArea);
+
+        VerticalLayout leftBar = new VerticalLayout();
+        leftBar.setSizeUndefined();
+        leftBar.addComponent(new Label("This is the left bar"));
+        leftBar.addComponent(performanceReportArea);
+        leftBar.addComponent(reportPerformanceButton);
+
+        leftBar.addComponent(new Button("Set 20 panels as content",
+                new Button.ClickListener() {
+                    @Override
+                    public void buttonClick(ClickEvent event) {
+                        popupateContent(contentLayout, 20, true);
+                        updatePerformanceReporting("20 panels", 100, 100);
+                    }
+                }));
+        leftBar.addComponent(new Button("Set 40 panels as content",
+                new Button.ClickListener() {
+                    @Override
+                    public void buttonClick(ClickEvent event) {
+                        popupateContent(contentLayout, 40, true);
+                        updatePerformanceReporting("40 panels", 100, 100);
+                    }
+                }));
+        leftBar.addComponent(new Button("Set 40 layouts as content",
+                new Button.ClickListener() {
+                    @Override
+                    public void buttonClick(ClickEvent event) {
+                        popupateContent(contentLayout, 40, false);
+                        updatePerformanceReporting("40 layouts", 100, 100);
+                    }
+                }));
+
+        leftBar.addComponent(new Button("Update all labels",
+                new Button.ClickListener() {
+                    @Override
+                    public void buttonClick(ClickEvent event) {
+                        Iterator<Component> componentIterator = contentLayout
+                                .getComponentIterator();
+                        while (componentIterator.hasNext()) {
+
+                            Iterator<Component> columHolderIterator;
+                            Component child = componentIterator.next();
+                            if (child instanceof Panel) {
+                                columHolderIterator = ((ComponentContainer) ((Panel) child)
+                                        .getContent()).getComponentIterator();
+                            } else {
+                                columHolderIterator = ((ComponentContainer) child)
+                                        .getComponentIterator();
+                            }
+                            while (columHolderIterator.hasNext()) {
+                                VerticalLayout column = (VerticalLayout) columHolderIterator
+                                        .next();
+                                Iterator<Component> columnIterator = column
+                                        .getComponentIterator();
+                                while (columnIterator.hasNext()) {
+                                    Label label = (Label) columnIterator.next();
+                                    label.setValue("New value");
+                                }
+                            }
+                        }
+                        updatePerformanceReporting("Update labels", 100, 100);
+                    }
+                }));
+
+        leftBar.addComponent(new Button("Clear content",
+                new Button.ClickListener() {
+                    @Override
+                    public void buttonClick(ClickEvent event) {
+                        contentLayout.removeAllComponents();
+                        contentLayout.addComponent(new Label("No content"));
+                        updatePerformanceReporting("No content", 100, 100);
+                    }
+                }));
+
+        HorizontalLayout intermediateLayout = new HorizontalLayout();
+        intermediateLayout.setSizeFull();
+        intermediateLayout.addComponent(leftBar);
+        intermediateLayout.addComponent(contentScroller);
+        intermediateLayout.setExpandRatio(contentScroller, 1);
+
+        VerticalLayout mainLayout = new VerticalLayout();
+        mainLayout.setSizeFull();
+        mainLayout.addComponent(new Label("This is a header"));
+        mainLayout.addComponent(intermediateLayout);
+        mainLayout.setExpandRatio(intermediateLayout, 1);
+
+        return mainLayout;
+    }
+
+    private void popupateContent(VerticalLayout contentLayout, int childCount,
+            boolean wrapInPanel) {
+        contentLayout.removeAllComponents();
+        for (int i = 0; i < childCount; i++) {
+            VerticalLayout left = new VerticalLayout();
+            left.addComponent(new Label("Label 1"));
+            left.addComponent(new Label("Label 2"));
+            left.addComponent(new Label("Label 3"));
+
+            VerticalLayout right = new VerticalLayout();
+            right.addComponent(new Label("Label 4"));
+            right.addComponent(new Label("Label 5"));
+            right.addComponent(new Label("Label 6"));
+
+            HorizontalLayout columns = new HorizontalLayout();
+            columns.addComponent(left);
+            columns.addComponent(right);
+            columns.setHeight(null);
+            columns.setWidth("100%");
+
+            if (wrapInPanel) {
+                Panel panel = new Panel("Data " + i, columns);
+                panel.setWidth("100%");
+                panel.setHeight(null);
+
+                contentLayout.addComponent(panel);
+            } else {
+                contentLayout.addComponent(columns);
+            }
+        }
+    }
+}