analysis.test: add basic swtbot test for scatter charts

Change-Id: I35c19e240c66628a892646ae19ec6706324f2400
Signed-off-by: Matthew Khouzam <matthew.khouzam@ericsson.com>
Reviewed-on: https://git.eclipse.org/r/63682
Reviewed-by: Hudson CI
Reviewed-by: Bernd Hufmann <bernd.hufmann@ericsson.com>
Tested-by: Bernd Hufmann <bernd.hufmann@ericsson.com>

diff --git a/analysis/org.eclipse.tracecompass.analysis.os.linux.ui.swtbot.tests/src/org/eclipse/tracecompass/analysis/os/linux/ui/swtbot/tests/latency/SystemCallLatencyScatterChartViewTest.java b/analysis/org.eclipse.tracecompass.analysis.os.linux.ui.swtbot.tests/src/org/eclipse/tracecompass/analysis/os/linux/ui/swtbot/tests/latency/SystemCallLatencyScatterChartViewTest.java
new file mode 100644 (file)
index 0000000..7c83422
--- /dev/null
+++ b/analysis/org.eclipse.tracecompass.analysis.os.linux.ui.swtbot.tests/src/org/eclipse/tracecompass/analysis/os/linux/ui/swtbot/tests/latency/SystemCallLatencyScatterChartViewTest.java
@@ -0,0 +1,195 @@
+/*******************************************************************************
+ * Copyright (c) 2016 Ericsson
+ *
+ * All rights reserved. This program and the accompanying materials are
+ * made available under the terms of the Eclipse Public License v1.0 which
+ * accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *   Matthew Khouzam - Initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.tracecompass.analysis.os.linux.ui.swtbot.tests.latency;
+
+import static org.eclipse.swtbot.swt.finder.SWTBotAssert.assertVisible;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+
+import java.io.IOException;
+
+import org.apache.log4j.ConsoleAppender;
+import org.apache.log4j.Logger;
+import org.apache.log4j.SimpleLayout;
+import org.eclipse.core.runtime.FileLocator;
+import org.eclipse.swtbot.eclipse.finder.SWTWorkbenchBot;
+import org.eclipse.swtbot.eclipse.finder.widgets.SWTBotView;
+import org.eclipse.swtbot.swt.finder.exceptions.WidgetNotFoundException;
+import org.eclipse.swtbot.swt.finder.finders.UIThreadRunnable;
+import org.eclipse.swtbot.swt.finder.junit.SWTBotJunit4ClassRunner;
+import org.eclipse.swtbot.swt.finder.matchers.WidgetOfType;
+import org.eclipse.swtbot.swt.finder.results.Result;
+import org.eclipse.swtbot.swt.finder.utils.SWTBotPreferences;
+import org.eclipse.swtbot.swt.finder.widgets.AbstractSWTBotControl;
+import org.eclipse.tracecompass.internal.analysis.os.linux.ui.views.latency.SystemCallLatencyScatterView;
+import org.eclipse.tracecompass.testtraces.ctf.CtfTestTrace;
+import org.eclipse.tracecompass.tmf.ui.swtbot.tests.shared.ConditionHelpers;
+import org.eclipse.tracecompass.tmf.ui.swtbot.tests.shared.SWTBotUtils;
+import org.eclipse.ui.IViewPart;
+import org.eclipse.ui.IViewReference;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.swtchart.Chart;
+import org.swtchart.ILineSeries;
+import org.swtchart.ISeries;
+import org.swtchart.ISeriesSet;
+import org.swtchart.Range;
+
+/**
+ * Tests of the scatter chart view
+ *
+ * @author Matthew Khouzam
+ */
+@RunWith(SWTBotJunit4ClassRunner.class)
+public class SystemCallLatencyScatterChartViewTest {
+
+    private static final String TRACE_TYPE = "org.eclipse.linuxtools.lttng2.kernel.tracetype";
+    private static final String PROJECT_NAME = "test";
+    private static final String VIEW_ID = SystemCallLatencyScatterView.ID;
+
+    /** The Log4j logger instance. */
+    private static final Logger fLogger = Logger.getRootLogger();
+    private Chart fScatterChart;
+
+    /**
+     * Things to setup
+     */
+    @BeforeClass
+    public static void beforeClass() {
+
+        SWTBotUtils.initialize();
+        Thread.currentThread().setName("SWTBotTest");
+        /* set up for swtbot */
+        SWTBotPreferences.TIMEOUT = 20000; /* 20 second timeout */
+        SWTBotPreferences.KEYBOARD_LAYOUT = "EN_US";
+        fLogger.removeAllAppenders();
+        fLogger.addAppender(new ConsoleAppender(new SimpleLayout(), ConsoleAppender.SYSTEM_OUT));
+        SWTWorkbenchBot bot = new SWTWorkbenchBot();
+        SWTBotUtils.closeView("welcome", bot);
+        /* Switch perspectives */
+        SWTBotUtils.switchToTracingPerspective();
+        /* Finish waiting for eclipse to load */
+        SWTBotUtils.waitForJobs();
+
+    }
+
+    /**
+     * Opens a latency scatter chart
+     *
+     * @throws SecurityException
+     *             If a security manager is present and any the wrong class is
+     *             loaded or the class loader is not the same as its ancestor's
+     *             loader.
+     *
+     * @throws IllegalArgumentException
+     *             the object is not the correct class type
+     *
+     *
+     */
+    @Before
+    public void createScatterViewer() throws SecurityException, IllegalArgumentException {
+        /*
+         * Open latency view
+         */
+        SWTBotUtils.openView(VIEW_ID);
+        SWTWorkbenchBot bot = new SWTWorkbenchBot();
+        SWTBotView viewBot = bot.viewById(VIEW_ID);
+        final IViewReference viewReference = viewBot.getViewReference();
+        IViewPart viewPart = UIThreadRunnable.syncExec(new Result<IViewPart>() {
+            @Override
+            public IViewPart run() {
+                return viewReference.getView(true);
+            }
+        });
+        assertNotNull(viewPart);
+        if (!(viewPart instanceof SystemCallLatencyScatterView)) {
+            fail("Could not instanciate view");
+        }
+        fScatterChart = viewBot.bot().widget(WidgetOfType.widgetOfType(Chart.class));
+        assertNotNull(fScatterChart);
+    }
+
+    /**
+     * Closes the view
+     */
+    @After
+    public void closeDensityViewer() {
+        final SWTWorkbenchBot swtWorkbenchBot = new SWTWorkbenchBot();
+        SWTBotView viewBot = swtWorkbenchBot.viewById(VIEW_ID);
+        viewBot.close();
+    }
+
+    /**
+     * Test with an actual trace, this is more of an integration test than a
+     * unit test. This test is a slow one too. If some analyses are not well
+     * configured, this test will also generates null pointer exceptions. These
+     * will be logged.
+     *
+     * @throws IOException
+     *             trace not found?
+     * @throws SecurityException
+     *             If a security manager is present and any the wrong class is
+     *             loaded or the class loader is not the same as its ancestor's
+     *             loader.
+     *
+     * @throws IllegalArgumentException
+     *             the object is not the correct class type
+     *
+     */
+    @Test
+    public void testWithTrace() throws IOException, SecurityException, IllegalArgumentException {
+        String tracePath;
+        tracePath = FileLocator.toFileURL(CtfTestTrace.ARM_64_BIT_HEADER.getTraceURL()).getPath();
+        SWTWorkbenchBot bot = new SWTWorkbenchBot();
+        SWTBotView view = bot.viewById(VIEW_ID);
+        view.close();
+        bot.waitUntil(ConditionHelpers.ViewIsClosed(view));
+        SWTBotUtils.createProject(PROJECT_NAME);
+        SWTBotUtils.openTrace(PROJECT_NAME, tracePath, TRACE_TYPE);
+        SWTBotUtils.waitForJobs();
+        createScatterViewer();
+        SWTBotUtils.waitForJobs();
+
+        final Chart scatterChart = fScatterChart;
+        assertNotNull(scatterChart);
+        SWTBotChart chartBot = new SWTBotChart(scatterChart);
+        assertVisible(chartBot);
+        assertEquals("", chartBot.getToolTipText());
+        final Range range = scatterChart.getAxisSet().getXAxes()[0].getRange();
+        assertEquals(100000000, range.upper - range.lower, 0);
+        ISeriesSet seriesSet = fScatterChart.getSeriesSet();
+        assertNotNull(seriesSet);
+        ISeries[] series = seriesSet.getSeries();
+        assertNotNull(series);
+
+        // Verify that the chart has 1 series
+        assertEquals(1, series.length);
+        // Verify that each series is a ILineSeries
+        for (int i = 0; i < series.length; i++) {
+            assertTrue(series[i] instanceof ILineSeries);
+        }
+        bot.closeAllEditors();
+        SWTBotUtils.deleteProject(PROJECT_NAME, bot);
+    }
+
+    private static class SWTBotChart extends AbstractSWTBotControl<Chart> {
+        public SWTBotChart(Chart w) throws WidgetNotFoundException {
+            super(w);
+        }
+    }
+}