ProviderTestCase.java revision 12093976a4842a795491cfd2b1d3b71e18503f2d 
1package android.test;
2
3import android.content.ContentProvider;
4import android.content.ContentResolver;
5import android.content.Context;
6import android.test.mock.MockContext;
7import android.test.mock.MockContentResolver;
8import android.database.DatabaseUtils;
9
10/**
11 * If you would like to test a single content provider with an
12 * {@link InstrumentationTestCase}, this provides some of the boiler plate in {@link #setUp} and
13 * {@link #tearDown}.
14 *
15 * @deprecated this class extends InstrumentationTestCase but should extend AndroidTestCase. Use
16 * ProviderTestCase2, which corrects this problem, instead.
17 */
18@Deprecated
19public abstract class ProviderTestCase<T extends ContentProvider>
20       extends InstrumentationTestCase {
21
22    Class<T> mProviderClass;
23    String mProviderAuthority;
24
25    private IsolatedContext mProviderContext;
26    private MockContentResolver mResolver;
27
28    public ProviderTestCase(Class<T> providerClass, String providerAuthority) {
29        mProviderClass = providerClass;
30        mProviderAuthority = providerAuthority;
31    }
32
33    /**
34     * The content provider that will be set up for use in each test method.
35     */
36    private T mProvider;
37
38    public T getProvider() {
39        return mProvider;
40    }
41
42    @Override
43    protected void setUp() throws Exception {
44        super.setUp();
45
46        mResolver = new MockContentResolver();
47        final String filenamePrefix = "test.";
48        RenamingDelegatingContext targetContextWrapper = new RenamingDelegatingContext(
49                new MockContext(), // The context that most methods are delegated to
50                getInstrumentation().getTargetContext(), // The context that file methods are delegated to
51                filenamePrefix);
52        mProviderContext = new IsolatedContext(mResolver, targetContextWrapper);
53
54        mProvider = mProviderClass.newInstance();
55        mProvider.attachInfo(mProviderContext, null);
56        assertNotNull(mProvider);
57        mResolver.addProvider(mProviderAuthority, getProvider());
58    }
59
60    public MockContentResolver getMockContentResolver() {
61        return mResolver;
62    }
63
64    public IsolatedContext getMockContext() {
65        return mProviderContext;
66    }
67
68    public static <T extends ContentProvider> ContentResolver newResolverWithContentProviderFromSql(
69            Context targetContext, Class<T> providerClass, String authority,
70            String databaseName, int databaseVersion, String sql)
71            throws IllegalAccessException, InstantiationException {
72        final String filenamePrefix = "test.";
73        MockContentResolver resolver = new MockContentResolver();
74        RenamingDelegatingContext targetContextWrapper = new RenamingDelegatingContext(
75                new MockContext(), // The context that most methods are delegated to
76                targetContext, // The context that file methods are delegated to
77                filenamePrefix);
78        Context context = new IsolatedContext(
79                resolver, targetContextWrapper);
80        DatabaseUtils.createDbFromSqlStatements(context, databaseName, databaseVersion, sql);
81
82        T provider = providerClass.newInstance();
83        provider.attachInfo(context, null);
84        resolver.addProvider(authority, provider);
85
86        return resolver;
87    }
88}
89