Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one or more contributor license * agreements. See the NOTICE file distributed with this work for additional information regarding * copyright ownership. The ASF licenses this file to You under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance with the License. You may obtain a * copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software distributed under the License * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express * or implied. See the License for the specific language governing permissions and limitations under * the License. * */ package org.apache.geode.tools.pulse.tests.ui; import static org.junit.Assert.*; import java.util.Collections; import java.util.HashMap; import java.util.List; import java.util.Map; import java.util.TreeMap; import java.util.function.Supplier; import org.openqa.selenium.By; import org.openqa.selenium.StaleElementReferenceException; import org.openqa.selenium.WebDriver; import org.openqa.selenium.WebDriverException; import org.openqa.selenium.WebElement; import org.openqa.selenium.interactions.Actions; import org.openqa.selenium.support.ui.ExpectedCondition; import org.openqa.selenium.support.ui.ExpectedConditions; import org.openqa.selenium.support.ui.WebDriverWait; import org.apache.geode.tools.pulse.tests.JMXProperties; import org.apache.geode.tools.pulse.tests.Member; import org.apache.geode.tools.pulse.tests.PulseTestData; import org.apache.geode.tools.pulse.tests.PulseTestLocators; import org.apache.geode.tools.pulse.tests.Region; public final class PulseTestUtils { private static Supplier<WebDriver> driverProvider; public static void setDriverProvider(Supplier<WebDriver> driverProvider) { PulseTestUtils.driverProvider = driverProvider; } public static WebDriver getDriver() { if (driverProvider == null) { throw new IllegalStateException("No WebdriverProvider has been set."); } else { return driverProvider.get(); } } public static int maxWaitTime = 30; public static WebElement waitForElementWithId(String id) { return waitForElement(By.id(id)); } public static WebElement waitForElement(By by) { WebElement element = (new WebDriverWait(driverProvider.get(), maxWaitTime)) .until((ExpectedCondition<WebElement>) d -> d.findElement(by)); assertNotNull(element); return element; } public static void clickElementUsingId(String id) { WebDriverException lastException = null; int attempts = 3; while (attempts > 0) { try { waitForElementWithId(id).click(); return; } catch (StaleElementReferenceException sere) { lastException = sere; } attempts++; } throw lastException; } public static void clickElementUsingXpath(String xpath) { findElementByXpath(xpath).click(); } public static void sendKeysUsingId(String Id, String textToEnter) { waitForElementWithId(Id).sendKeys(textToEnter); } public static WebElement findElementByXpath(String xpath) { return waitForElement(By.xpath(xpath)); } public static String getTextUsingXpath(String xpath) { return findElementByXpath(xpath).getText(); } public static String getTextUsingId(String id) { return waitForElementWithId(id).getText(); } public static String getPersistanceEnabled(Region r) { String persistence = null; if (r.getPersistentEnabled()) { persistence = "ON"; } else if (!r.getPersistentEnabled()) { persistence = "OFF"; } return persistence; } public static String getPersistanceEnabled(String trueOrFalse) { String persistence = null; if (trueOrFalse.contains("true")) { persistence = "ON"; } else if (trueOrFalse.contains("false")) { persistence = "OFF"; } return persistence; } public static void validateServerGroupGridData() { List<WebElement> serverGridRows = getDriver() .findElements(By.xpath("//table[@id='memberListSG']/tbody/tr")); int rowsCount = serverGridRows.size(); String[][] gridDataFromUI = new String[rowsCount][7]; for (int j = 2, x = 0; j <= serverGridRows.size(); j++, x++) { for (int i = 0; i <= 6; i++) { gridDataFromUI[x][i] = getDriver() .findElement( By.xpath("//table[@id='memberListSG']/tbody/tr[" + j + "]/td[" + (i + 1) + "]")) .getText(); } } String[] memberNames = JMXProperties.getInstance().getProperty("members").split(" "); HashMap<String, HashMap<String, Member>> sgMap = new HashMap<String, HashMap<String, Member>>(); for (String member : memberNames) { Member thisMember = new Member(member); String[] sgs = thisMember.getGroups(); for (String sgName : sgs) { HashMap<String, Member> sgMembers = sgMap.get(sgName); if (sgMembers == null) { sgMembers = new HashMap<String, Member>(); sgMap.put(sgName, sgMembers); } sgMembers.put(thisMember.getMember(), thisMember); } } for (int i = 0; i < gridDataFromUI.length - 1; i++) { String sgName = gridDataFromUI[i][0]; String memName = gridDataFromUI[i][1]; Member m = sgMap.get(sgName).get(memName); assertEquals(sgName, gridDataFromUI[i][0]); assertEquals(memName, gridDataFromUI[i][1]); assertEquals(m.getMember(), gridDataFromUI[i][2]); assertEquals(m.getHost(), gridDataFromUI[i][3]); String cupUsage = String.valueOf(m.getCpuUsage()); assertEquals(cupUsage, gridDataFromUI[i][5]); } } public static void validateRedundancyZonesGridData() { List<WebElement> rzGridRows = getDriver().findElements(By.xpath("//table[@id='memberListRZ']/tbody/tr")); int rowsCount = rzGridRows.size(); String[][] gridDataFromUI = new String[rowsCount][7]; for (int j = 2, x = 0; j <= rzGridRows.size(); j++, x++) { for (int i = 0; i <= 6; i++) { gridDataFromUI[x][i] = getDriver() .findElement( By.xpath("//table[@id='memberListRZ']/tbody/tr[" + j + "]/td[" + (i + 1) + "]")) .getText(); } } String[] memberNames = JMXProperties.getInstance().getProperty("members").split(" "); HashMap<String, HashMap<String, Member>> rzMap = new HashMap<String, HashMap<String, Member>>(); for (String member : memberNames) { Member thisMember = new Member(member); // String[] rz = thisMember.getRedundancyZone(); String sgName = thisMember.getRedundancyZone(); // for (String sgName : rz) { HashMap<String, Member> rzMembers = rzMap.get(sgName); if (rzMembers == null) { rzMembers = new HashMap<String, Member>(); rzMap.put(sgName, rzMembers); } rzMembers.put(thisMember.getMember(), thisMember); // } } for (int i = 0; i < gridDataFromUI.length - 1; i++) { String sgName = gridDataFromUI[i][0]; String memName = gridDataFromUI[i][1]; Member m = rzMap.get(sgName).get(memName); assertEquals(sgName, gridDataFromUI[i][0]); assertEquals(memName, gridDataFromUI[i][1]); assertEquals(m.getMember(), gridDataFromUI[i][2]); assertEquals(m.getHost(), gridDataFromUI[i][3]); String cupUsage = String.valueOf(m.getCpuUsage()); assertEquals(cupUsage, gridDataFromUI[i][5]); } } public static void validateTopologyGridData() { List<WebElement> rzGridRows = getDriver().findElements(By.xpath("//table[@id='memberList']/tbody/tr")); int rowsCount = rzGridRows.size(); String[][] gridDataFromUI = new String[rowsCount][8]; for (int j = 2, x = 0; j <= rzGridRows.size(); j++, x++) { for (int i = 0; i <= 7; i++) { gridDataFromUI[x][i] = getDriver() .findElement(By.xpath("//table[@id='memberList']/tbody/tr[" + j + "]/td[" + (i + 1) + "]")) .getText(); } } String[] memberNames = JMXProperties.getInstance().getProperty("members").split(" "); HashMap<String, Member> tpMap = new HashMap<String, Member>(); for (String member : memberNames) { Member thisMember = new Member(member); tpMap.put(thisMember.getMember(), thisMember); } for (int i = 0; i < gridDataFromUI.length - 1; i++) { String memName = gridDataFromUI[i][0]; Member m = tpMap.get(memName); assertEquals(m.getMember(), gridDataFromUI[i][0]); assertEquals(m.getMember(), gridDataFromUI[i][1]); assertEquals(m.getHost(), gridDataFromUI[i][2]); String cupUsage = String.valueOf(m.getCpuUsage()); assertEquals(cupUsage, gridDataFromUI[i][5]); } } public static void validateDataPrespectiveGridData() { List<WebElement> serverGridRows = getDriver().findElements(By.xpath("//table[@id='regionsList']/tbody/tr")); int rowsCount = serverGridRows.size(); String[][] gridDataFromUI = new String[rowsCount][7]; for (int j = 2, x = 0; j <= serverGridRows.size(); j++, x++) { for (int i = 0; i <= 6; i++) { if (i < 5) { gridDataFromUI[x][i] = getDriver() .findElement( By.xpath("//table[@id='regionsList']/tbody/tr[" + j + "]/td[" + (i + 1) + "]")) .getText(); } else if (i == 5) { gridDataFromUI[x][i] = getDriver() .findElement( By.xpath("//table[@id='regionsList']/tbody/tr[" + j + "]/td[" + (i + 4) + "]")) .getText(); } } } String[] regionNames = JMXProperties.getInstance().getProperty("regions").split(" "); HashMap<String, Region> dataMap = new HashMap<String, Region>(); for (String region : regionNames) { Region thisRegion = new Region(region); dataMap.put(thisRegion.getName(), thisRegion); } for (int i = 0; i < gridDataFromUI.length - 1; i++) { String memName = gridDataFromUI[i][0]; Region r = dataMap.get(memName); assertEquals(r.getName(), gridDataFromUI[i][0]); assertEquals(r.getRegionType(), gridDataFromUI[i][1]); assertEquals(String.valueOf(r.getSystemRegionEntryCount()), gridDataFromUI[i][2]); assertEquals(r.getFullPath(), gridDataFromUI[i][4]); assertEquals(getPersistanceEnabled(r), gridDataFromUI[i][5]); } } public static void validateRegionDetailsGridData() { List<WebElement> serverGridRows = getDriver().findElements(By.xpath("//table[@id='memberList']/tbody/tr")); int rowsCount = serverGridRows.size(); String[][] gridDataFromUI = new String[rowsCount][7]; for (int j = 2, x = 0; j <= serverGridRows.size(); j++, x++) { for (int i = 0; i < 2; i++) { gridDataFromUI[x][i] = getDriver() .findElement(By.xpath("//table[@id='memberList']/tbody/tr[" + j + "]/td[" + (i + 1) + "]")) .getText(); } } String[] memberNames = JMXProperties.getInstance().getProperty("members").split(" "); HashMap<String, Member> tpMap = new HashMap<String, Member>(); for (String member : memberNames) { Member thisMember = new Member(member); tpMap.put(thisMember.getMember(), thisMember); } for (int i = 0; i < gridDataFromUI.length - 1; i++) { String memName = gridDataFromUI[i][0]; Member m = tpMap.get(memName); assertEquals(m.getMember(), gridDataFromUI[i][0]); } } public static void navigateToToplogyView() { clickElementUsingXpath(PulseTestLocators.TopNavigation.clusterViewLinkXpath); clickElementUsingXpath(PulseTestLocators.TopologyView.radioButtonXpath); } // ------ Topology / Server Group / Redundancy Group - Tree View public static void navigateToTopologyTreeView() { navigateToToplogyView(); clickElementUsingId(PulseTestLocators.TopologyView.treeMapButtonId); } public static void navigateToServerGroupTreeView() { clickElementUsingXpath(PulseTestLocators.TopNavigation.clusterViewLinkXpath); clickElementUsingXpath(PulseTestLocators.ServerGroups.radioButtonXpath); } public static void navigateToRedundancyZonesTreeView() { clickElementUsingXpath(PulseTestLocators.TopNavigation.clusterViewLinkXpath); clickElementUsingXpath(PulseTestLocators.RedundancyZone.radioButtonXpath); } // ------ Topology / Server Group / Redundancy Group - Grid View public static void navigateToTopologyGridView() { clickElementUsingXpath(PulseTestLocators.TopNavigation.clusterViewLinkXpath); clickElementUsingXpath(PulseTestLocators.TopologyView.radioButtonXpath); clickElementUsingId(PulseTestLocators.TopologyView.gridButtonId); } public static void navigateToServerGroupGridView() { clickElementUsingXpath(PulseTestLocators.TopNavigation.clusterViewLinkXpath); clickElementUsingXpath(PulseTestLocators.ServerGroups.radioButtonXpath); clickElementUsingId(PulseTestLocators.ServerGroups.gridButtonId); } public static void navigateToRedundancyZonesGridView() { clickElementUsingXpath(PulseTestLocators.TopNavigation.clusterViewLinkXpath); clickElementUsingXpath(PulseTestLocators.RedundancyZone.radioButtonXpath); clickElementUsingId(PulseTestLocators.RedundancyZone.gridButtonId); } // ----- Data perspective / region details public static void navigateToDataPrespectiveGridView() { clickElementUsingXpath(PulseTestLocators.TopNavigation.clusterViewLinkXpath); clickElementUsingXpath(PulseTestLocators.DataPerspectiveView.downarrowButtonXpath); clickElementUsingXpath(PulseTestLocators.DataPerspectiveView.dataViewButtonXpath); clickElementUsingId(PulseTestLocators.DataPerspectiveView.gridButtonId); } public static void navigateToRegionDetailsView() { clickElementUsingXpath(PulseTestLocators.TopNavigation.clusterViewLinkXpath); clickElementUsingXpath(PulseTestLocators.DataPerspectiveView.downarrowButtonXpath); clickElementUsingXpath(PulseTestLocators.DataPerspectiveView.dataViewButtonXpath); // clickElementUsingXpath(PulseTestLocators.RegionDetailsView.regionNameXpath); // // WIP - region navigation defect needs to fixed clickElementUsingXpath(PulseTestLocators.RegionDetailsView.treeMapCanvasXpath); } public static void navigateToRegionDetailsGridView() { navigateToRegionDetailsView(); clickElementUsingXpath(PulseTestLocators.RegionDetailsView.gridButtonXpath); } public static String getPropertyValue(String propertyKey) { String propertyValue = JMXProperties.getInstance().getProperty(propertyKey); return propertyValue; } public static void verifyElementPresentById(String id) { WebDriverWait wait = new WebDriverWait(getDriver(), maxWaitTime, 500); wait.until(ExpectedConditions.presenceOfAllElementsLocatedBy(By.id(id))); } public static void verifyElementPresentByLinkText(String lnkText) { WebDriverWait wait = new WebDriverWait(getDriver(), maxWaitTime, 500); wait.until(ExpectedConditions.presenceOfAllElementsLocatedBy(By.linkText(lnkText))); } public static void verifyElementPresentByXpath(String xpath) { WebDriverWait wait = new WebDriverWait(getDriver(), maxWaitTime, 500); wait.until(ExpectedConditions.presenceOfAllElementsLocatedBy(By.xpath(xpath))); } public static void verifyTextPresrntById(String id, String text) { WebDriverWait wait = new WebDriverWait(getDriver(), maxWaitTime, 500); wait.until(ExpectedConditions.textToBePresentInElementLocated(By.id(id), text)); } public static void verifyTextPresrntByXpath(String xpath, String text) { WebDriverWait wait = new WebDriverWait(getDriver(), maxWaitTime, 500); wait.until(ExpectedConditions.textToBePresentInElementLocated(By.xpath(xpath), text)); } public static void verifyElementAttributeById(String id, String attribute, String value) { String actualValue = waitForElementWithId(id).getAttribute(attribute); assertTrue(actualValue.equals(value) || actualValue.contains(value)); } public static void mouseReleaseById(String id) { verifyElementPresentById(id); Actions action = new Actions(getDriver()); WebElement we = getDriver().findElement(By.id(id)); action.moveToElement(we).release().perform(); } public static void mouseClickAndHoldOverElementById(String id) { verifyElementPresentById(id); Actions action = new Actions(getDriver()); WebElement we = getDriver().findElement(By.id(id)); action.moveToElement(we).clickAndHold().perform(); } public static String[] splitString(String stringToSplit, String splitDelimiter) { String[] stringArray = stringToSplit.split(splitDelimiter); return stringArray; } public static void assertMemberSortingByCpuUsage() { Map<Double, String> memberMap = new TreeMap<>(Collections.reverseOrder()); String[] membersNames = splitString(JMXProperties.getInstance().getProperty("members"), " "); for (String member : membersNames) { Member thisMember = new Member(member); memberMap.put(thisMember.getCpuUsage(), thisMember.getMember()); } for (Map.Entry<Double, String> entry : memberMap.entrySet()) { // here matching painting style to validation that the members are painted according to their // cpu usage String refMemberCPUUsage = null; if (entry.getValue().equalsIgnoreCase("M1")) { refMemberCPUUsage = PulseTestData.Topology.cpuUsagePaintStyleM1; } else if (entry.getValue().equalsIgnoreCase("M2")) { refMemberCPUUsage = PulseTestData.Topology.cpuUsagePaintStyleM2; } else { refMemberCPUUsage = PulseTestData.Topology.cpuUsagePaintStyleM3; } assertTrue(waitForElementWithId(entry.getValue()).getAttribute("style").contains(refMemberCPUUsage)); } } public static void assertMemberSortingByHeapUsage() { Map<Long, String> memberMap = new TreeMap<Long, String>(Collections.reverseOrder()); String[] membersNames = splitString(JMXProperties.getInstance().getProperty("members"), " "); for (String member : membersNames) { Member thisMember = new Member(member); memberMap.put(thisMember.getCurrentHeapSize(), thisMember.getMember()); } for (Map.Entry<Long, String> entry : memberMap.entrySet()) { // here matching painting style to validation that the members are painted according to their // cpu usage String refMemberHeapUsage = null; if (entry.getValue().equalsIgnoreCase("M1")) { refMemberHeapUsage = PulseTestData.Topology.heapUsagePaintStyleM1; } else if (entry.getValue().equalsIgnoreCase("M2")) { refMemberHeapUsage = PulseTestData.Topology.heapUsagePaintStyleM2; } else { refMemberHeapUsage = PulseTestData.Topology.heapUsagePaintStyleM3; } assertTrue(waitForElementWithId(entry.getValue()).getAttribute("style").contains(refMemberHeapUsage)); } } public static void assertMemberSortingBySgHeapUsage() { String[] memberNames = JMXProperties.getInstance().getProperty("members").split(" "); HashMap<String, HashMap<String, Member>> sgMap = new HashMap<String, HashMap<String, Member>>(); for (String member : memberNames) { Member thisMember = new Member(member); String[] sgs = thisMember.getGroups(); for (String sgName : sgs) { HashMap<String, Member> sgMembers = sgMap.get(sgName); if (sgMembers == null) { sgMembers = new HashMap<String, Member>(); sgMap.put(sgName, sgMembers); } sgMembers.put(thisMember.getMember(), thisMember); } } Map<Float, String> memberMap = new TreeMap<Float, String>(Collections.reverseOrder()); for (int sgId = 1; sgId <= 3; sgId++) { String sgName = "SG1"; String memName = "M" + sgId; Member m = sgMap.get(sgName).get(memName); memberMap.put((float) m.getCurrentHeapSize(), m.getMember()); } for (Map.Entry<Float, String> entry : memberMap.entrySet()) { // here matching painting style to validation that the members are painted according to their // cpu usage String refMemberCPUUsage = null; if (entry.getValue().equalsIgnoreCase("M1")) { refMemberCPUUsage = PulseTestData.ServerGroups.heapUsagePaintStyleSG1M1; } else if (entry.getValue().equalsIgnoreCase("M2")) { refMemberCPUUsage = PulseTestData.ServerGroups.heapUsagePaintStyleSG1M2; } else { refMemberCPUUsage = PulseTestData.ServerGroups.heapUsagePaintStyleSG1M3; } assertTrue(waitForElementWithId("SG1(!)" + entry.getValue()).getAttribute("style") .contains(refMemberCPUUsage)); } } public static void assertMemberSortingBySgCpuUsage() { String[] memberNames = JMXProperties.getInstance().getProperty("members").split(" "); HashMap<String, HashMap<String, Member>> sgMap = new HashMap<String, HashMap<String, Member>>(); for (String member : memberNames) { Member thisMember = new Member(member); String[] sgs = thisMember.getGroups(); for (String sgName : sgs) { HashMap<String, Member> sgMembers = sgMap.get(sgName); if (sgMembers == null) { sgMembers = new HashMap<String, Member>(); sgMap.put(sgName, sgMembers); } sgMembers.put(thisMember.getMember(), thisMember); } } Map<Double, String> memberMap = new TreeMap<>(Collections.reverseOrder()); // SG3(!)M3 for (int sgId = 1; sgId <= 3; sgId++) { String sgName = "SG1"; String memName = "M" + sgId; Member m = sgMap.get(sgName).get(memName); memberMap.put(m.getCpuUsage(), m.getMember()); } for (Map.Entry<Double, String> entry : memberMap.entrySet()) { // here matching painting style to validation that the members are painted according to their // cpu usage String refMemberCPUUsage = null; if (entry.getValue().equalsIgnoreCase("M1")) { refMemberCPUUsage = PulseTestData.ServerGroups.cpuUsagePaintStyleSG1M1; } else if (entry.getValue().equalsIgnoreCase("M2")) { refMemberCPUUsage = PulseTestData.ServerGroups.cpuUsagePaintStyleSG1M2; } else { refMemberCPUUsage = PulseTestData.ServerGroups.cpuUsagePaintStyleSG1M3; } assertTrue(waitForElementWithId("SG1(!)" + entry.getValue()).getAttribute("style") .contains(refMemberCPUUsage)); } } public static void assertMemberSortingByRzHeapUsage() { String[] memberNames = JMXProperties.getInstance().getProperty("members").split(" "); HashMap<String, HashMap<String, Member>> rzMap = new HashMap<String, HashMap<String, Member>>(); for (String member : memberNames) { Member thisMember = new Member(member); String sgName = thisMember.getRedundancyZone(); HashMap<String, Member> rzMembers = rzMap.get(sgName); if (rzMembers == null) { rzMembers = new HashMap<String, Member>(); rzMap.put(sgName, rzMembers); } rzMembers.put(thisMember.getMember(), thisMember); } Map<Float, String> memberMap = new TreeMap<Float, String>(Collections.reverseOrder()); String rzName = "RZ1 RZ2"; String memName = "M1"; Member m = rzMap.get(rzName).get(memName); memberMap.put((float) m.getCurrentHeapSize(), m.getMember()); for (Map.Entry<Float, String> entry : memberMap.entrySet()) { // here matching painting style to validation that the members are painted according to their // cpu usage String refMemberHeapUsage = null; if (entry.getValue().equalsIgnoreCase("M1")) { refMemberHeapUsage = PulseTestData.RedundancyZone.heapUsagePaintStyleRZ1RZ2M1; } else if (entry.getValue().equalsIgnoreCase("M2")) { refMemberHeapUsage = PulseTestData.RedundancyZone.heapUsagePaintStyleRZ1RZ2M2; } else { refMemberHeapUsage = PulseTestData.RedundancyZone.heapUsagePaintStyleRZ3M3; } assertTrue(waitForElementWithId("RZ1 RZ2(!)" + entry.getValue()).getAttribute("style") .contains(refMemberHeapUsage)); } } public static void assertMemeberSortingByRzCpuUsage() { String[] memberNames = JMXProperties.getInstance().getProperty("members").split(" "); HashMap<String, HashMap<String, Member>> rzMap = new HashMap<String, HashMap<String, Member>>(); for (String member : memberNames) { Member thisMember = new Member(member); String sgName = thisMember.getRedundancyZone(); HashMap<String, Member> rzMembers = rzMap.get(sgName); if (rzMembers == null) { rzMembers = new HashMap<String, Member>(); rzMap.put(sgName, rzMembers); } rzMembers.put(thisMember.getMember(), thisMember); } Map<Double, String> memberMap = new TreeMap<>(Collections.reverseOrder()); String rzName = "RZ1 RZ2"; String memName = "M1"; Member m = rzMap.get(rzName).get(memName); memberMap.put(m.getCpuUsage(), m.getMember()); for (Map.Entry<Double, String> entry : memberMap.entrySet()) { // here matching painting style to validation that the members are painted according to their // cpu usage String refMemberCPUUsage = null; if (entry.getValue().equalsIgnoreCase("M1")) { refMemberCPUUsage = PulseTestData.RedundancyZone.cpuUsagePaintStyleRZ1RZ2M1; } else if (entry.getValue().equalsIgnoreCase("M2")) { refMemberCPUUsage = PulseTestData.RedundancyZone.cpuUsagePaintStyleRZ1RZ2M2; } assertTrue(waitForElementWithId("RZ1 RZ2(!)" + entry.getValue()).getAttribute("style") .contains(refMemberCPUUsage)); } } public static List<WebElement> getRegionsFromDataBrowser() { List<WebElement> regionList = getDriver() .findElements(By.xpath("//span[starts-with(@ID,'treeDemo_')][contains(@id,'_span')]")); return regionList; } }