Isolating file utilities

MyTracksTest/src/com/google/android/apps/mytracks/io/TrackWriterTest.java

@@ -117,7 +117,6 @@ public class TrackWriterTest extends AndroidTestCase {
   private static final long TRACK_ID = 1234567L;
   private static final String EXTENSION = "ext";
   private static final String TRACK_NAME = "Swimming across the pacific";
-  private static final String TRACK_SANITIZED_NAME = "Swimmingacrossthepacific";
   private static final String FULL_TRACK_NAME = "Swimmingacrossthepacific.ext";
 
   private Track track;
@@ -188,10 +187,6 @@ public class TrackWriterTest extends AndroidTestCase {
     mocksControl.verify();
   }
   
-  public void testSanitizeName() {
-    assertEquals(TRACK_SANITIZED_NAME, TrackWriter.sanitizeName(TRACK_NAME));
-  }
-
   public void testOpenFile() {
     final ByteArrayOutputStream stream = new ByteArrayOutputStream();
     writer = new OpenFileTrackWriter(

MyTracksTest/src/com/google/android/apps/mytracks/util/FileUtilsTest.java

@@ -0,0 +1,62 @@
+/*
+ * Copyright 2010 Google Inc.
+ *
+ * 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.google.android.apps.mytracks.util;
+
+import com.google.android.apps.mytracks.MyTracksConstants;
+
+import android.os.Environment;
+
+import java.io.File;
+
+import junit.framework.TestCase;
+
+/**
+ * Tests for {@link FileUtils}.
+ *
+ * @author Rodrigo Damazio
+ */
+public class FileUtilsTest extends TestCase {
+  private static final String ORIGINAL_NAME = "Swimming across the pacific";
+  private static final String SANITIZED_NAME = "Swimmingacrossthepacific";
+
+  private FileUtils fileUtils;
+
+  @Override
+  protected void setUp() throws Exception {
+    super.setUp();
+
+    fileUtils = new FileUtils();
+  }
+
+  public void testBuildExternalDirectoryPath() {
+    String expectedName = Environment.getExternalStorageDirectory()
+        + File.separator
+        + MyTracksConstants.SDCARD_TOP_DIR
+        + File.separator
+        + "a"
+        + File.separator
+        + "b"
+        + File.separator
+        + "c";
+
+    String dirName = fileUtils.buildExternalDirectoryPath("a", "b", "c");
+    assertEquals(expectedName, dirName);
+  }
+
+  public void testSanitizeName() {
+    assertEquals(SANITIZED_NAME, fileUtils.sanitizeName(ORIGINAL_NAME));
+  }
+}