SDK: unit test for SdkSourceProperties.

Also fix a name changed in the SdkUiLib test.

Change-Id: I30fa83ac607fc4735af161604514f09c2aff6a93

2 files changed, 215 insertions, 32 deletions

diff --git a/sdkmanager/libs/sdklib/src/com/android/sdklib/internal/repository/SdkSourceProperties.java b/sdkmanager/libs/sdklib/src/com/android/sdklib/internal/repository/SdkSourceProperties.java
index e9da67f..7f7b8c2 100755
--- a/sdkmanager/libs/sdklib/src/com/android/sdklib/internal/repository/SdkSourceProperties.java
+++ b/sdkmanager/libs/sdklib/src/com/android/sdklib/internal/repository/SdkSourceProperties.java
@@ -18,6 +18,8 @@ package com.android.sdklib.internal.repository;
 

 import com.android.annotations.NonNull;

 import com.android.annotations.Nullable;

+import com.android.annotations.VisibleForTesting;

+import com.android.annotations.VisibleForTesting.Visibility;

 import com.android.prefs.AndroidLocation;

 import com.android.prefs.AndroidLocation.AndroidLocationException;

 

@@ -25,7 +27,9 @@ import java.io.File;
 import java.io.FileInputStream;

 import java.io.FileOutputStream;

 import java.io.IOException;

-import java.util.Map;

+import java.util.Collections;

+import java.util.Comparator;

+import java.util.List;

 import java.util.Properties;

 

 /**

@@ -125,47 +129,40 @@ public class SdkSourceProperties {
         }

     }

 

+    /**

+     * Returns an internal string representation of the underlying Properties map,

+     * sorted by ascending keys. Useful for debugging and testing purposes only.

+     */

     @Override

     public String toString() {

-        StringBuilder sb = new StringBuilder("<SdkSourceProperties ");      //$NON-NLS-1$

+        StringBuilder sb = new StringBuilder("<SdkSourceProperties");      //$NON-NLS-1$

         synchronized (sSourcesProperties) {

-            for (Map.Entry<Object, Object> entry : sSourcesProperties.entrySet()) {

-                sb.append('\n').append(entry.getKey())

-                  .append(" = ").append(entry.getValue());                  //$NON-NLS-1$

+            List<Object> keys = Collections.list(sSourcesProperties.keys());

+            Collections.sort(keys, new Comparator<Object>() {

+                @Override

+                public int compare(Object o1, Object o2) {

+                    return o1.toString().compareTo(o2.toString());

+                }});

+

+            for (Object key : keys) {

+                sb.append('\n').append(key)

+                  .append(" = ").append(sSourcesProperties.get(key));       //$NON-NLS-1$

             }

         }

-        sb.append("\n>");                                                   //$NON-NLS-1$

+        sb.append('>');

         return sb.toString();

     }

 

+    /** Load state from persistent file. Expects sSourcesProperties to be synchronized. */

     private void loadLocked() {

         // Load state from persistent file

-        FileInputStream fis = null;

-        try {

-            String folder = AndroidLocation.getFolder();

-            File f = new File(folder, SRC_FILENAME);

-            if (f.exists()) {

-                fis = new FileInputStream(f);

-

-                sSourcesProperties.load(fis);

-

-                // If it lacks our magic version key, don't use it

-                if (sSourcesProperties.getProperty(KEY_VERSION) == null) {

-                    sSourcesProperties.clear();

-                }

-

-                sModified = false;

-            }

-        } catch (IOException ignore) {

-            // nop

-        } catch (AndroidLocationException ignore) {

-            // nop

-        } finally {

-            if (fis != null) {

-                try {

-                    fis.close();

-                } catch (IOException ignore) {}

+        if (loadProperties()) {

+            // If it lacks our magic version key, don't use it

+            if (sSourcesProperties.getProperty(KEY_VERSION) == null) {

+                sSourcesProperties.clear();

             }

+

+            sModified = false;

         }

 

         if (sSourcesProperties.isEmpty()) {

@@ -177,7 +174,47 @@ public class SdkSourceProperties {
         }

     }

 

-    private void saveLocked() {

+    /**

+     * Load properties from default file. Extracted so that it can be mocked in tests.

+     *

+     * @return True if actually loaded the file. False if there was an IO error or no

+     *   file and nothing was loaded.

+     */

+    @VisibleForTesting(visibility=Visibility.PRIVATE)

+    protected boolean loadProperties() {

+        try {

+            String folder = AndroidLocation.getFolder();

+            File f = new File(folder, SRC_FILENAME);

+            if (f.exists()) {

+                FileInputStream fis = null;

+                try {

+                    fis = new FileInputStream(f);

+                    sSourcesProperties.load(fis);

+                } catch (IOException ignore) {

+                    // nop

+                } finally {

+                    if (fis != null) {

+                        try {

+                            fis.close();

+                        } catch (IOException ignore) {}

+                    }

+                }

+

+                return true;

+            }

+        } catch (AndroidLocationException ignore) {

+            // nop

+        }

+        return false;

+    }

+

+    /**

+     * Save file to disk. Expects sSourcesProperties to be synchronized.

+     * Made accessible for testing purposes.

+     * For public usage, please use {@link #save()} instead.

+     */

+    @VisibleForTesting(visibility=Visibility.PRIVATE)

+    protected void saveLocked() {

         // Persist it to the file

         FileOutputStream fos = null;

         try {

@@ -199,6 +236,14 @@ public class SdkSourceProperties {
                 } catch (IOException ignore) {}

             }

         }

+    }

 

+    /** Empty current property list. Made accessible for testing purposes. */

+    @VisibleForTesting(visibility=Visibility.PRIVATE)

+    protected void clear() {

+        synchronized (sSourcesProperties) {

+            sSourcesProperties.clear();

+            sModified = false;

+        }

     }

 }

diff --git a/sdkmanager/libs/sdklib/tests/src/com/android/sdklib/internal/repository/SdkSourcePropertiesTest.java b/sdkmanager/libs/sdklib/tests/src/com/android/sdklib/internal/repository/SdkSourcePropertiesTest.java
new file mode 100755
index 0000000..b4aa2e5
--- /dev/null
+++ b/sdkmanager/libs/sdklib/tests/src/com/android/sdklib/internal/repository/SdkSourcePropertiesTest.java
@@ -0,0 +1,138 @@
+/*
+ * Copyright (C) 2012 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.sdklib.internal.repository;
+
+
+import junit.framework.TestCase;
+
+public class SdkSourcePropertiesTest extends TestCase {
+
+    private static class MockSdkSourceProperties extends SdkSourceProperties {
+        private int mLoadCount;
+        private int mSaveCount;
+
+        public MockSdkSourceProperties() {
+            clear();
+        }
+
+        public int getLoadCount() {
+            return mLoadCount;
+        }
+
+        public int getSaveCount() {
+            return mSaveCount;
+        }
+
+        @Override
+        protected boolean loadProperties() {
+            // Don't actually load anthing.
+            mLoadCount++;
+            return false;
+        }
+
+        @Override
+        protected void saveLocked() {
+            // Don't actually save anything.
+            mSaveCount++;
+        }
+    }
+
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+    }
+
+    public final void testSdkSourceProperties() {
+        MockSdkSourceProperties m = new MockSdkSourceProperties();
+
+        assertEquals(0, m.getLoadCount());
+        assertEquals(0, m.getSaveCount());
+        assertEquals(
+                "<SdkSourceProperties>",
+                m.toString());
+
+        assertNull(m.getProperty(SdkSourceProperties.KEY_DISABLED, "http://example.com/1", null));
+        assertEquals("None",
+                     m.getProperty(SdkSourceProperties.KEY_NAME, "http://example.com/2", "None"));
+        assertEquals(1, m.getLoadCount());
+        assertEquals(0, m.getSaveCount());
+        assertEquals(
+                "<SdkSourceProperties\n" +
+                "@version@ = 1>",
+                m.toString());
+
+        m.setProperty(SdkSourceProperties.KEY_DISABLED, "http://example.com/1", "disabled");
+        assertEquals("disabled",
+                m.getProperty(SdkSourceProperties.KEY_DISABLED, "http://example.com/1", "None"));
+        assertNull(m.getProperty(SdkSourceProperties.KEY_NAME, "http://example.com/1", null));
+        assertEquals(
+                "<SdkSourceProperties\n" +
+                "@disabled@http://example.com/1 = disabled\n" +
+                "@version@ = 1>",
+                m.toString());
+
+        m.setProperty(SdkSourceProperties.KEY_NAME, "http://example.com/2", "Site Name");
+        assertEquals("Site Name",
+                m.getProperty(SdkSourceProperties.KEY_NAME, "http://example.com/2", null));
+        assertNull(m.getProperty(SdkSourceProperties.KEY_DISABLED, "http://example.com/2", null));
+        assertEquals(1, m.getLoadCount());
+        assertEquals(0, m.getSaveCount());
+        assertEquals(
+                "<SdkSourceProperties\n" +
+                "@disabled@http://example.com/1 = disabled\n" +
+                "@name@http://example.com/2 = Site Name\n" +
+                "@version@ = 1>",
+                m.toString());
+
+        m.save();
+        assertEquals(1, m.getSaveCount());
+
+        // saving a 2nd time doesn't do anything if no property has been modified
+        m.save();
+        assertEquals(1, m.getSaveCount());
+
+        // setting things to the same value doesn't actually mark the properties as modified
+        m.setProperty(SdkSourceProperties.KEY_DISABLED, "http://example.com/1", "disabled");
+        m.setProperty(SdkSourceProperties.KEY_NAME, "http://example.com/2", "Site Name");
+        m.save();
+        assertEquals(1, m.getSaveCount());
+
+        m.setProperty(SdkSourceProperties.KEY_DISABLED, "http://example.com/1", "not disabled");
+        m.setProperty(SdkSourceProperties.KEY_NAME, "http://example.com/2", "New Name");
+        assertEquals(
+                "<SdkSourceProperties\n" +
+                "@disabled@http://example.com/1 = not disabled\n" +
+                "@name@http://example.com/2 = New Name\n" +
+                "@version@ = 1>",
+                m.toString());
+        m.save();
+        assertEquals(2, m.getSaveCount());
+
+        // setting a value to null deletes it
+        m.setProperty(SdkSourceProperties.KEY_NAME, "http://example.com/2", null);
+        assertEquals(
+                "<SdkSourceProperties\n" +
+                "@disabled@http://example.com/1 = not disabled\n" +
+                "@version@ = 1>",
+                m.toString());
+
+        m.save();
+        assertEquals(1, m.getLoadCount());
+        assertEquals(3, m.getSaveCount());
+    }
+
+}