1 files changed, 135 insertions, 0 deletions
diff --git a/eclipse/plugins/com.android.ide.eclipse.tests/src/com/android/ide/eclipse/tests/AdtTestData.java b/eclipse/plugins/com.android.ide.eclipse.tests/src/com/android/ide/eclipse/tests/AdtTestData.java
new file mode 100644
index 000000000..c86f4cf5f
--- /dev/null
+++ b/eclipse/plugins/com.android.ide.eclipse.tests/src/com/android/ide/eclipse/tests/AdtTestData.java
@@ -0,0 +1,135 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Eclipse Public License, Version 1.0 (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.eclipse.org/org/documents/epl-v10.php
+ *
+ * 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.android.ide.eclipse.tests;
+
+import com.android.SdkConstants;
+import com.android.ide.eclipse.adt.AdtConstants;
+import com.android.ide.eclipse.adt.AdtPlugin;
+
+import org.eclipse.core.runtime.FileLocator;
+import org.eclipse.core.runtime.Platform;
+
+import java.io.File;
+import java.io.IOException;
+import java.net.URL;
+import java.util.logging.Logger;
+
+/**
+ * Helper class for retrieving test data
+ * <p/>
+ * All tests which need to retrieve paths to test data files should go through this class.
+ */
+public class AdtTestData {
+
+    /** singleton instance */
+    private static AdtTestData sInstance = null;
+    private static final Logger sLogger = Logger.getLogger(AdtTestData.class.getName());
+
+    /** The prefered directory separator to use. */
+    private static final String DIR_SEP_STR  = "/";
+    private static final char   DIR_SEP_CHAR = '/';
+
+    /** The absolute file path to the plugin's contents. */
+    private String mOsRootDataPath;
+
+    private AdtTestData() {
+        // can set test_data env variable to override default behavior of
+        // finding data using class loader
+        // useful when running in plugin environment, where test data is inside
+        // bundled jar, and must be extracted to temp filesystem location to be
+        // accessed normally
+        mOsRootDataPath = System.getProperty("test_data");
+        if (mOsRootDataPath == null) {
+            sLogger.info("Cannot find test_data environment variable, init to class loader");
+            URL url = this.getClass().getClassLoader().getResource(".");  //$NON-NLS-1$
+
+            if (Platform.isRunning()) {
+                sLogger.info("Running as an Eclipse Plug-in JUnit test, using FileLocator");
+                try {
+                    mOsRootDataPath = FileLocator.resolve(url).getFile();
+                    if (SdkConstants.currentPlatform() == SdkConstants.PLATFORM_WINDOWS) {
+                        // Fix the path returned by the URL resolver
+                        // so that it actually works on Windows.
+
+                        // First, Windows paths don't start with a / especially
+                        // if they contain a drive spec such as C:/...
+                        int pos = mOsRootDataPath.indexOf(':');
+                        if (pos > 0 && mOsRootDataPath.charAt(0) == '/') {
+                            mOsRootDataPath = mOsRootDataPath.substring(1);
+                        }
+
+                        // Looking for "." probably inserted a /./, so clean it up
+                        mOsRootDataPath = mOsRootDataPath.replace("/./", "/");
+                    }
+                } catch (IOException e) {
+                    sLogger.warning("IOException while using FileLocator, reverting to url");
+                    mOsRootDataPath = url.getFile();
+                }
+            } else {
+                sLogger.info("Running as an plain JUnit test, using url as-is");
+                mOsRootDataPath = url.getFile();
+            }
+        }
+
+        if (mOsRootDataPath.equals(AdtConstants.WS_SEP)) {
+            sLogger.warning("Resource data not found using class loader!, Defaulting to no path");
+        }
+
+        if (File.separatorChar == '\\') {
+            // On Windows, uniformize all separators to use the / convention
+            mOsRootDataPath.replace('\\', DIR_SEP_CHAR);
+        }
+
+        if (!mOsRootDataPath.endsWith(File.separator) && !mOsRootDataPath.endsWith(DIR_SEP_STR)) {
+            sLogger.info("Fixing test_data env variable (does not end with path separator)");
+            mOsRootDataPath += DIR_SEP_STR;
+        }
+    }
+
+    /** Get the singleton instance of AdtTestData */
+    public static AdtTestData getInstance() {
+        if (sInstance == null) {
+            sInstance = new AdtTestData();
+        }
+        return sInstance;
+    }
+
+    /**
+     * Returns the absolute file path to a file located in this plugin.
+     *
+     * @param osRelativePath {@link String} path to file contained in plugin. Must
+     * use path separators appropriate to host OS
+     *
+     * @return absolute OS path to test file
+     */
+    public String getTestFilePath(String osRelativePath) {
+        File path = new File(mOsRootDataPath, osRelativePath);
+
+        if (!path.exists()) {
+            // On Windows at least this ends up using the wrong plugin path.
+            String pkgAdt   = AdtPlugin  .class.getPackage().getName();
+            String pkgTests = AdtTestData.class.getPackage().getName();
+
+            if (mOsRootDataPath.contains(pkgAdt)) {
+                path = new File(mOsRootDataPath.replace(pkgAdt, pkgTests), osRelativePath);
+            }
+
+            assert path.exists();
+        }
+
+        return path.getAbsolutePath();
+    }
+}