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package android.test;
import android.content.ContentProvider;
import android.content.ContentResolver;
import android.content.Context;
import android.content.res.Resources;
import android.test.mock.MockContext;
import android.test.mock.MockContentResolver;
import android.database.DatabaseUtils;
import java.io.File;
/**
* This TestCase class provides a framework for isolated testing of a single
* ContentProvider. It uses a {@link android.test.mock.MockContentResolver} to
* access the provider, restricts the provider to an isolated area of the
* filesystem (for safely creating & modifying databases & files), and injects
* {@link android.test.IsolatedContext} to isolate the ContentProvider from the
* rest of the running system.
*
* <p>This environment is created automatically by {@link #setUp} and {@link
* #tearDown}.
*/
public abstract class ProviderTestCase2<T extends ContentProvider> extends AndroidTestCase {
Class<T> mProviderClass;
String mProviderAuthority;
private IsolatedContext mProviderContext;
private MockContentResolver mResolver;
private class MockContext2 extends MockContext {
@Override
public Resources getResources() {
return getContext().getResources();
}
@Override
public File getDir(String name, int mode) {
// name the directory so the directory will be seperated from
// one created through the regular Context
return getContext().getDir("mockcontext2_" + name, mode);
}
}
public ProviderTestCase2(Class<T> providerClass, String providerAuthority) {
mProviderClass = providerClass;
mProviderAuthority = providerAuthority;
}
/**
* The content provider that will be set up for use in each test method.
*/
private T mProvider;
public T getProvider() {
return mProvider;
}
@Override
protected void setUp() throws Exception {
super.setUp();
mResolver = new MockContentResolver();
final String filenamePrefix = "test.";
RenamingDelegatingContext targetContextWrapper = new RenamingDelegatingContext(
new MockContext2(), // The context that most methods are delegated to
getContext(), // The context that file methods are delegated to
filenamePrefix);
mProviderContext = new IsolatedContext(mResolver, targetContextWrapper);
mProvider = mProviderClass.newInstance();
mProvider.attachInfo(mProviderContext, null);
assertNotNull(mProvider);
mResolver.addProvider(mProviderAuthority, getProvider());
}
public MockContentResolver getMockContentResolver() {
return mResolver;
}
public IsolatedContext getMockContext() {
return mProviderContext;
}
public static <T extends ContentProvider> ContentResolver newResolverWithContentProviderFromSql(
Context targetContext, String filenamePrefix, Class<T> providerClass, String authority,
String databaseName, int databaseVersion, String sql)
throws IllegalAccessException, InstantiationException {
MockContentResolver resolver = new MockContentResolver();
RenamingDelegatingContext targetContextWrapper = new RenamingDelegatingContext(
new MockContext(), // The context that most methods are delegated to
targetContext, // The context that file methods are delegated to
filenamePrefix);
Context context = new IsolatedContext(resolver, targetContextWrapper);
DatabaseUtils.createDbFromSqlStatements(context, databaseName, databaseVersion, sql);
T provider = providerClass.newInstance();
provider.attachInfo(context, null);
resolver.addProvider(authority, provider);
return resolver;
}
}
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