fix selenium integration tests and introduce page object pattern

scm-webapp/src/test/java/sonia/scm/selenium/page/Pages.java

@@ -0,0 +1,113 @@
+/**
+ * Copyright (c) 2014, Sebastian Sdorra
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. Neither the name of SCM-Manager; nor the names of its
+ *    contributors may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * http://bitbucket.org/sdorra/scm-manager
+ *
+ */
+package sonia.scm.selenium.page;
+
+import com.google.common.base.Throwables;
+import com.google.common.collect.Lists;
+import java.lang.reflect.Constructor;
+import java.util.Arrays;
+import java.util.List;
+import org.openqa.selenium.By;
+import org.openqa.selenium.SearchContext;
+import org.openqa.selenium.WebDriver;
+import org.openqa.selenium.WebElement;
+import org.openqa.selenium.support.PageFactory;
+import org.openqa.selenium.support.pagefactory.DefaultElementLocatorFactory;
+import org.openqa.selenium.support.ui.ExpectedConditions;
+import org.openqa.selenium.support.ui.WebDriverWait;
+
+/**
+ * Helper class for selenium page objects.
+ * 
+ * @author Sebastian Sdorra
+ */
+public final class Pages {
+  
+  private Pages() {
+  }
+  
+  /**
+   * Creates an instance of the given page object.
+   * 
+   * @param <T> page object type
+   * @param driver selenium driver
+   * @param clazz page object type
+   * @param otherArguments other constructor arguments
+   * 
+   * @return instance of page object
+   */
+  public static <T extends BasePage> T get(WebDriver driver, Class<T> clazz, Object... otherArguments)
+  {
+    T page = null;
+    try {
+      List<Class<?>> argumentTypes = Lists.newArrayList();
+      argumentTypes.add(WebDriver.class);
+      for (Object argument : otherArguments) {
+        argumentTypes.add(argument.getClass());
+      }
+      
+      List<Object> arguments = Lists.newArrayList();
+      arguments.add(driver);
+      arguments.addAll(Arrays.asList(otherArguments));
+      
+      Constructor<T> constructor = clazz.getDeclaredConstructor(
+        argumentTypes.toArray(new Class<?>[argumentTypes.size()])
+      );
+      page = constructor.newInstance(arguments.toArray(new Object[arguments.size()]));
+      
+      PageFactory.initElements(new DefaultElementLocatorFactory(new WaitingSearchContext(driver)), page);
+    } catch (Exception ex) {
+      throw Throwables.propagate(ex);
+    }
+    return page;
+  }
+  
+  private static class WaitingSearchContext implements SearchContext {
+
+    private final WebDriver driver;
+    private final WebDriverWait wait;
+
+    private WaitingSearchContext(WebDriver driver) {
+      this.driver = driver;
+      this.wait = new WebDriverWait(driver, 1);
+    }
+    
+    @Override
+    public List<WebElement> findElements(By by) {
+      return wait.until(ExpectedConditions.presenceOfAllElementsLocatedBy(by));
+    }
+
+    @Override
+    public WebElement findElement(By by) {
+      return wait.until(ExpectedConditions.presenceOfElementLocated(by));
+    }
+  }
+}