Adding test for cross process cursor scenario

Author: developernotes

AndroidManifest.xml

@@ -1,15 +1,15 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
-  package="net.zetetic" android:versionCode="1" android:versionName="1.0-SNAPSHOT">
-
-  <application android:icon="@drawable/icon" android:label="@string/app_name" android:name="ZeteticApplication">
-    <activity android:name=".TestSuiteActivity">
-      <intent-filter>
-        <action android:name="android.intent.action.MAIN" />
-        <category android:name="android.intent.category.LAUNCHER" />
-      </intent-filter>
-    </activity>
-  </application>
+          package="net.zetetic" android:versionCode="1" android:versionName="1.0-SNAPSHOT">
 
+    <application android:icon="@drawable/icon" android:label="@string/app_name" android:name="ZeteticApplication">
+        <activity android:name=".TestSuiteActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity>
+        <provider android:name=".ZeteticContentProvider" android:authorities="net.zetetic.sqlcipher.zeteticprovider" />
+    </application>
 </manifest>
 

net.zetetic.sqlcipher.test.iws

@@ -23,6 +23,7 @@ public void onCreate(Bundle savedInstanceState) {
 
     public void onButtonClick(View view) {
 
+        ZeteticApplication.getInstance().setCurrentActivity(this);
         TestSuiteRunner runner = new TestSuiteRunner();
         List<TestResult> results = runner.runSuite();
 

src/main/java/net/zetetic/TestSuiteActivity.java

@@ -1,10 +1,18 @@
 package net.zetetic;
 
+import android.app.Activity;
 import android.app.Application;
+import info.guardianproject.database.sqlcipher.SQLiteDatabase;
+
+import java.io.File;
 
 public class ZeteticApplication extends Application {
 
+    public static String DATABASE_NAME = "test.db";
+    public static String DATABASE_PASSWORD = "test";
     private static ZeteticApplication instance;
+    private Activity activity;
+    public static final String TAG = "Zetetic";
 
     public ZeteticApplication(){
         instance = this;
@@ -13,4 +21,19 @@ public ZeteticApplication(){
     public static ZeteticApplication getInstance(){
         return instance;
     }
+
+    public void setCurrentActivity(Activity activity){
+        this.activity = activity;
+    }
+
+    public Activity getCurrentActivity(){
+        return activity;
+    }
+
+    public SQLiteDatabase createDatabase(){
+        File databaseFile = getDatabasePath(ZeteticApplication.DATABASE_NAME);
+        databaseFile.mkdirs();
+        databaseFile.delete();
+        return SQLiteDatabase.openOrCreateDatabase(databaseFile, DATABASE_PASSWORD, null);
+    }
 }

src/main/java/net/zetetic/ZeteticApplication.java

@@ -0,0 +1,52 @@
+package net.zetetic;
+
+import android.content.ContentProvider;
+import android.content.ContentValues;
+import android.database.Cursor;
+import android.net.Uri;
+import info.guardianproject.database.sqlcipher.SQLiteDatabase;
+
+public class ZeteticContentProvider extends ContentProvider {
+
+    public static final Uri CONTENT_URI =
+            Uri.parse("content://net.zetetic.sqlcipher.zeteticprovider");
+
+    private SQLiteDatabase database;
+
+    public ZeteticContentProvider() {
+        SQLiteDatabase.loadLibs(ZeteticApplication.getInstance());
+        database = ZeteticApplication.getInstance().createDatabase();
+        database.execSQL("create table t1(a, b);");
+        database.execSQL("insert into t1(a, b) values('one for the money', 'two for the show');");
+    }
+
+    @Override
+    public boolean onCreate() {
+        return true;
+    }
+
+    @Override
+    public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder) {
+        return database.rawQuery("select * from t1", null);
+    }
+
+    @Override
+    public String getType(Uri uri) {
+        return null;
+    }
+
+    @Override
+    public Uri insert(Uri uri, ContentValues contentValues) {
+        return null;
+    }
+
+    @Override
+    public int delete(Uri uri, String s, String[] strings) {
+        return 0;
+    }
+
+    @Override
+    public int update(Uri uri, ContentValues contentValues, String s, String[] strings) {
+        return 0;
+    }
+}

src/main/java/net/zetetic/ZeteticContentProvider.java

@@ -0,0 +1,28 @@
+package net.zetetic.tests;
+
+import android.app.Activity;
+import android.net.Uri;
+import info.guardianproject.database.sqlcipher.SQLiteDatabase;
+import net.zetetic.ZeteticApplication;
+import net.zetetic.ZeteticContentProvider;
+
+public class CrossProcessCursorQueryTest extends SQLCipherTest {
+    @Override
+    public boolean execute(SQLiteDatabase database) {
+
+        Activity activity = ZeteticApplication.getInstance().getCurrentActivity();
+        Uri providerUri = ZeteticContentProvider.CONTENT_URI;
+        android.database.Cursor cursor = activity.managedQuery(providerUri, null, null, null, null);
+        StringBuilder buffer = new StringBuilder();
+        while(cursor.moveToNext()){
+            buffer.append(cursor.getString(0));
+            buffer.append(cursor.getString(1));
+        }
+        return buffer.toString().length() > 0;
+    }
+    
+    @Override
+    public String getName() {
+        return "Cross Process Cursor";
+    }
+}

src/main/java/net/zetetic/tests/CrossProcessCursorQueryTest.java

@@ -1,11 +1,9 @@
 package net.zetetic.tests;
 
-import android.content.Context;
+import android.util.Log;
 import info.guardianproject.database.sqlcipher.SQLiteDatabase;
 import net.zetetic.ZeteticApplication;
 
-import java.io.File;
-
 public abstract class SQLCipherTest {
 
     public abstract boolean execute(SQLiteDatabase database);
@@ -14,11 +12,7 @@ public abstract class SQLCipherTest {
     private SQLiteDatabase database;
 
     protected void setUp() {
-        Context context = ZeteticApplication.getInstance().getApplicationContext();
-        File databaseFile = context.getDatabasePath("test.db");
-        databaseFile.mkdirs();
-        databaseFile.delete();
-        database = SQLiteDatabase.openOrCreateDatabase(databaseFile, "test", null);
+        database = ZeteticApplication.getInstance().createDatabase();
     }
 
     public TestResult run() {
@@ -27,7 +21,9 @@ public TestResult run() {
         try {
             setUp();
             result.setResult(execute(database));
-        } catch (Exception e) {}
+        } catch (Exception e) {
+            Log.v(ZeteticApplication.TAG, e.toString());
+        }
         return result;
     }
 }

src/main/java/net/zetetic/tests/SQLCipherTest.java

@@ -21,6 +21,7 @@ public List<TestResult> runSuite(){
     private List<SQLCipherTest> getTestsToRun(){
         List<SQLCipherTest> tests = new ArrayList<SQLCipherTest>();
         tests.add(new NullQueryResultTest());
+        tests.add(new CrossProcessCursorQueryTest());
         return tests;
     }
 }