Basic TestBench test for Upload

Generates a file to upload locally and TestBench ensures this file is transferred automatically to the browser node using a FileDetector.

Change-Id: Ia5b3a48306356c364d49da60b81f1d68f1593939

uitest/src/com/vaadin/tests/components/upload/TestFileUploadTest.java

@@ -0,0 +1,128 @@
+/*
+ * Copyright 2000-2014 Vaadin Ltd.
+ * 
+ * Licensed 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 com.vaadin.tests.components.upload;
+
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.math.BigInteger;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.util.List;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.openqa.selenium.By;
+import org.openqa.selenium.WebElement;
+import org.openqa.selenium.internal.WrapsElement;
+import org.openqa.selenium.remote.DesiredCapabilities;
+import org.openqa.selenium.remote.LocalFileDetector;
+import org.openqa.selenium.remote.RemoteWebElement;
+
+import com.vaadin.testbench.elements.UploadElement;
+import com.vaadin.tests.tb3.MultiBrowserTest;
+
+public class TestFileUploadTest extends MultiBrowserTest {
+
+    @Override
+    public List<DesiredCapabilities> getBrowsersToTest() {
+        // PhantomJS fails to upload files for unknown reasons
+        List<DesiredCapabilities> b = super.getBrowsersToTest();
+        b.remove(Browser.PHANTOMJS.getDesiredCapabilities());
+        return b;
+    }
+
+    @Test
+    public void testUploadAnyFile() throws Exception {
+        openTestURL();
+
+        File tempFile = createTempFile();
+        fillPathToUploadInput(tempFile.getPath());
+
+        getSubmitButton().click();
+
+        String expected = String.format(
+                "1. Upload finished. Name: %s, Size: %s, md5: %s",
+                tempFile.getName(), getTempFileContents().length(),
+                md5(getTempFileContents()));
+
+        String actual = getLogRow(0);
+        Assert.assertEquals("Upload log row does not match expected", expected,
+                actual);
+    }
+
+    private String md5(String string) throws NoSuchAlgorithmException {
+        byte[] digest = MessageDigest.getInstance("MD5").digest(
+                string.getBytes());
+        BigInteger bigInt = new BigInteger(1, digest);
+        String hashtext = bigInt.toString(16);
+        return hashtext;
+    }
+
+    /**
+     * @return The generated temp file handle
+     * @throws IOException
+     */
+    private File createTempFile() throws IOException {
+        File tempFile = File.createTempFile("TestFileUpload", ".txt");
+        BufferedWriter writer = new BufferedWriter(new FileWriter(tempFile));
+        writer.write(getTempFileContents());
+        writer.close();
+        tempFile.deleteOnExit();
+        return tempFile;
+    }
+
+    private String getTempFileContents() {
+        return "This is a test file!\nRow 2\nRow3";
+    }
+
+    private void fillPathToUploadInput(String tempFileName) throws Exception {
+        // create a valid path in upload input element. Instead of selecting a
+        // file by some file browsing dialog, we use the local path directly.
+        WebElement input = getInput();
+        setLocalFileDetector(input);
+        input.sendKeys(tempFileName);
+    }
+
+    private WebElement getSubmitButton() {
+        UploadElement upload = $(UploadElement.class).first();
+        WebElement submitButton = upload.findElement(By.className("v-button"));
+        return submitButton;
+    }
+
+    private WebElement getInput() {
+        return getDriver().findElement(By.className("gwt-FileUpload"));
+    }
+
+    private void setLocalFileDetector(WebElement element) throws Exception {
+        if (getClass().isAnnotationPresent(RunLocally.class)) {
+            return;
+        }
+
+        if (element instanceof WrapsElement) {
+            element = ((WrapsElement) element).getWrappedElement();
+        }
+        if (element instanceof RemoteWebElement) {
+            ((RemoteWebElement) element)
+                    .setFileDetector(new LocalFileDetector());
+        } else {
+            throw new IllegalArgumentException(
+                    "Expected argument of type RemoteWebElement, received "
+                            + element.getClass().getName());
+        }
+    }
+}