Add unit test for the new keystore.

Since we need to test the keystore with user system in order to test
the reset(), password(), lock() and unlock(), we have to take advantage
of the ActivityUnitTestCase to run the test with the user 'system'.

keystore/tests/Android.mk

+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+# We only want this apk build for tests.
+LOCAL_MODULE_TAGS := tests
+LOCAL_CERTIFICATE := platform
+
+LOCAL_JAVA_LIBRARIES := android.test.runner
+
+# Include all test java files.
+LOCAL_SRC_FILES := $(call all-java-files-under, src)
+
+LOCAL_PACKAGE_NAME := KeyStoreTests
+
+include $(BUILD_PACKAGE)

keystore/tests/AndroidManifest.xml

+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2009 The Android Open Source Project
+
+     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.
+-->
+
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+          package="android.security.tests"
+          android:sharedUserId="android.uid.system">
+
+    <application>
+        <uses-library android:name="android.test.runner" />
+    </application>
+
+    <instrumentation android:name=".KeyStoreTestRunner"
+        android:targetPackage="android.security.tests"
+        android:label="KeyStore Tests">
+    </instrumentation>
+</manifest>

keystore/tests/src/android/security/KeyStoreTest.java

+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * 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 android.security.tests;
+
+import android.app.Activity;
+import android.security.KeyStore;
+import android.test.ActivityUnitTestCase;
+import android.test.suitebuilder.annotation.MediumTest;
+
+/**
+ * Junit / Instrumentation test case for KeyStore class
+ *
+ * Running the test suite:
+ *
+ *  adb shell am instrument -w android.security.tests/.KeyStoreTestRunner
+ */
+@MediumTest
+public class KeyStoreTest extends ActivityUnitTestCase<Activity> {
+    private static final String TEST_PASSWD = "12345678";
+    private static final String TEST_EMPTY_PASSWD = "";
+    private static final String TEST_SHORT_PASSWD = "short";
+    private static final String TEST_PASSWD2 = "87654321";
+    private static final String TEST_KEYNAME = "testkey";
+    private static final String TEST_KEYNAME1 = "testkey1";
+    private static final String TEST_KEYNAME2 = "testkey2";
+    private static final String TEST_KEYVALUE = "test value";
+
+    private KeyStore mKeyStore = null;
+
+    public KeyStoreTest() {
+        super(Activity.class);
+    }
+
+    @Override
+    protected void setUp() throws Exception {
+        mKeyStore = KeyStore.getInstance();
+        if (mKeyStore.test() != KeyStore.UNINITIALIZED) mKeyStore.reset();
+        assertEquals(KeyStore.UNINITIALIZED, mKeyStore.test());
+        super.setUp();
+    }
+
+    @Override
+    protected void tearDown() throws Exception {
+        mKeyStore.reset();
+        super.tearDown();
+    }
+
+    public void testTest() throws Exception {
+        assertEquals(KeyStore.UNINITIALIZED, mKeyStore.test());
+    }
+
+    public void testPassword() throws Exception {
+        //assertFalse(mKeyStore.password(TEST_EMPTY_PASSWD));
+        //assertFalse(mKeyStore.password(TEST_SHORT_PASSWD));
+
+        assertTrue(mKeyStore.password(TEST_PASSWD));
+        assertEquals(KeyStore.NO_ERROR, mKeyStore.test());
+
+        assertFalse(mKeyStore.password(TEST_PASSWD2, TEST_PASSWD2));
+        //assertFalse(mKeyStore.password(TEST_PASSWD, TEST_SHORT_PASSWD));
+
+        assertTrue(mKeyStore.password(TEST_PASSWD, TEST_PASSWD2));
+    }
+
+    public void testPut() throws Exception {
+        assertFalse(mKeyStore.put(TEST_KEYNAME, TEST_KEYVALUE));
+        assertFalse(mKeyStore.contains(TEST_KEYNAME));
+        mKeyStore.password(TEST_PASSWD);
+        assertTrue(mKeyStore.put(TEST_KEYNAME, TEST_KEYVALUE));
+    }
+
+    public void testDelete() throws Exception {
+        assertTrue(mKeyStore.delete(TEST_KEYNAME));
+        mKeyStore.password(TEST_PASSWD);
+        assertTrue(mKeyStore.delete(TEST_KEYNAME));
+
+        mKeyStore.put(TEST_KEYNAME, TEST_KEYVALUE);
+        assertTrue(mKeyStore.delete(TEST_KEYNAME));
+    }
+
+    public void testContains() throws Exception {
+        assertFalse(mKeyStore.contains(TEST_KEYNAME));
+
+        mKeyStore.password(TEST_PASSWD);
+        assertFalse(mKeyStore.contains(TEST_KEYNAME));
+
+        mKeyStore.put(TEST_KEYNAME, TEST_KEYVALUE);
+        assertTrue(mKeyStore.contains(TEST_KEYNAME));
+    }
+
+    public void testSaw() throws Exception {
+        String[] results = mKeyStore.saw(TEST_KEYNAME);
+        assertEquals(0, results.length);
+
+        mKeyStore.password(TEST_PASSWD);
+        mKeyStore.put(TEST_KEYNAME1, TEST_KEYVALUE);
+        mKeyStore.put(TEST_KEYNAME2, TEST_KEYVALUE);
+
+        results = mKeyStore.saw(TEST_KEYNAME);
+        assertEquals(2, results.length);
+    }
+
+    public void testLock() throws Exception {
+        assertFalse(mKeyStore.lock());
+
+        mKeyStore.password(TEST_PASSWD);
+        assertEquals(KeyStore.NO_ERROR, mKeyStore.test());
+
+        assertTrue(mKeyStore.lock());
+        assertEquals(KeyStore.LOCKED, mKeyStore.test());
+    }
+
+    public void testUnlock() throws Exception {
+        mKeyStore.password(TEST_PASSWD);
+        assertEquals(KeyStore.NO_ERROR, mKeyStore.test());
+        mKeyStore.lock();
+
+        assertFalse(mKeyStore.unlock(TEST_PASSWD2));
+        assertTrue(mKeyStore.unlock(TEST_PASSWD));
+    }
+}

keystore/tests/src/android/security/KeyStoreTestRunner.java

+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * 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 android.security.tests;
+
+import junit.framework.TestSuite;
+
+import android.test.InstrumentationTestRunner;
+import android.test.InstrumentationTestSuite;
+
+/**
+ * Instrumentation Test Runner for all KeyStore unit tests.
+ *
+ * Running all tests:
+ *
+ *   runtest keystore-unit
+ * or
+ *   adb shell am instrument -w android.security.tests/.KeyStoreTestRunner
+ */
+
+public class KeyStoreTestRunner extends InstrumentationTestRunner {
+
+    @Override
+    public TestSuite getAllTests() {
+        TestSuite suite = new InstrumentationTestSuite(this);
+        suite.addTestSuite(android.security.tests.KeyStoreTest.class);
+        return suite;
+    }
+
+    @Override
+    public ClassLoader getLoader() {
+        return KeyStoreTestRunner.class.getClassLoader();
+    }
+}