webdriven: attachFile should throw an exception if the file is not found or can't be accessed

Author: barancev

java/client/src/com/thoughtworks/selenium/webdriven/commands/AttachFile.java

@@ -62,7 +62,7 @@ private File downloadFile(String name) {
       fos = new FileOutputStream(outputTo);
       Resources.copy(url, fos);
     } catch (IOException e) {
-
+      throw new SeleniumException("Can't access file to upload: " + url, e);
     }
 
     return outputTo;

java/client/test/com/thoughtworks/selenium/corebased/TestAttachFile.java

@@ -22,11 +22,13 @@
 import com.google.common.io.Files;
 
 import com.thoughtworks.selenium.InternalSelenseTestBase;
+import com.thoughtworks.selenium.SeleniumException;
 
 import org.junit.Before;
 import org.junit.Test;
 
 import java.io.File;
+import java.io.FileNotFoundException;
 import java.io.IOException;
 
 public class TestAttachFile extends InternalSelenseTestBase {
@@ -57,4 +59,16 @@ public void testAttachFile() throws Exception {
     selenium.selectFrame("upload_target");
     assertEquals(selenium.getText("//body"), LOREM_IPSUM_TEXT);
   }
+
+  @Test
+  public void testAttachNonExistingFile() throws Exception {
+    selenium.open("/common/upload.html");
+    try {
+      selenium.attachFile("upload", testFile.toURI().toURL().toString() + "-missing");
+    } catch (SeleniumException expected) {
+      assertTrue(expected.getCause() instanceof IOException);
+      return;
+    }
+    fail("Exception expected");
+  }
 }