作者热门文章
- iOS/Objective-C 元类和类别
- objective-c - -1001 错误,当 NSURLSession 通过 httpproxy 和/etc/hosts
- java - 使用网络类获取 url 地址
- ios - 推送通知中不播放声音
在哪里可以找到使用 ProviderTestCase2 在 Android 上进行测试的简单易用的代码示例?
最好是一个真正使用它的开源项目——另一方面,在一个真正的项目的复杂性中,它可能变得很难实现实际的功能,所以欢迎任何好的例子。 Google Android 文档不是很具体,也没有包含适当的示例。
最佳答案
在这个例子中,我正在测试一个名为“DataLayer”的 ContentProvider,它存在于被测试的应用程序中;下面,我开始测试 ContentProvider 接口(interface)到一个名为“ActiveUser”的表。
如果有人知道如何使用 newResolverWithContentProviderFromSql请赐教!
package com.example.android.app.test;
import android.content.ContentUris;
import android.content.ContentValues;
import android.database.Cursor;
import android.net.Uri;
import android.provider.BaseColumns;
import android.test.ProviderTestCase2;
import android.test.mock.MockContentResolver;
import android.util.Log;
import com.example.android.app.Constants;
import com.example.android.app.DataLayer;
import com.example.android.app.provider.contract.ActiveUserContract;
public class DataLayerTests extends ProviderTestCase2<DataLayer> {
private static final String TAG = DataLayerTests.class.getSimpleName();
MockContentResolver mMockResolver;
public DataLayerTests() {
super(DataLayer.class, Constants.DATA_LAYER_AUTHORITY);
}
@Override
protected void setUp() throws Exception {
super.setUp();
Log.d(TAG, "setUp: ");
mMockResolver = getMockContentResolver();
}
@Override
protected void tearDown() throws Exception {
super.tearDown();
Log.d(TAG, "tearDown:");
}
public void testActiveUserInsert__inserts_a_valid_record() {
Uri uri = mMockResolver.insert(ActiveUserContract.CONTENT_URI, getFullActiveUserContentValues());
assertEquals(1L, ContentUris.parseId(uri));
}
public void testActiveUserInsert__cursor_contains_valid_data() {
mMockResolver.insert(ActiveUserContract.CONTENT_URI, getFullActiveUserContentValues());
Cursor cursor = mMockResolver.query(ActiveUserContract.CONTENT_URI, null, null, new String[] {}, null);
assertNotNull(cursor);
assertEquals(1, cursor.getCount());
assertTrue(cursor.moveToFirst());
assertEquals(VALID_USERNAME, cursor.getString(cursor.getColumnIndex(ActiveUserContract.Columns.USERNAME)));
assertEquals(VALID_COMPANY_CODE, cursor.getString(cursor.getColumnIndex(ActiveUserContract.Columns.COMPANY_CODE)));
assertEquals(VALID_COMPANY_LETTER, cursor.getString(cursor.getColumnIndex(ActiveUserContract.Columns.COMPANY_LETTER)));
assertEquals(VALID_DRIVER_CODE, cursor.getString(cursor.getColumnIndex(ActiveUserContract.Columns.DRIVER_CODE)));
assertEquals(VALID_SITE_NUMBER, cursor.getString(cursor.getColumnIndex(ActiveUserContract.Columns.SITE_NUMBER)));
assertEquals(VALID_FIRST_NAME, cursor.getString(cursor.getColumnIndex(ActiveUserContract.Columns.FIRST_NAME)));
assertEquals(VALID_SURNAME, cursor.getString(cursor.getColumnIndex(ActiveUserContract.Columns.SURNAME)));
}
public void testActiveUserInsert__throws_SQLiteConstraintException_when_NOT_NULL_constraint_not_met() {
try {
mMockResolver.insert(ActiveUserContract.CONTENT_URI, getActiveUserContentValuesWithNullCompanyCode());
fail("SQLiteConstraintException should have been thrown!");
} catch (SQLiteConstraintException e) {
assertEquals("active_user.comp_code may not be NULL (code 19)", e.getMessage());
}
}
/** @return a ContentValues object with a value set for each ActiveUser column */
public static ContentValues getFullActiveUserContentValues() {
ContentValues v = new ContentValues(7);
v.put(ActiveUserContract.Columns.USERNAME, VALID_USERNAME);
v.put(ActiveUserContract.Columns.COMPANY_CODE, VALID_COMPANY_CODE);
v.put(ActiveUserContract.Columns.COMPANY_LETTER, VALID_COMPANY_LETTER);
v.put(ActiveUserContract.Columns.DRIVER_CODE, VALID_DRIVER_CODE);
v.put(ActiveUserContract.Columns.SITE_NUMBER, VALID_SITE_NUMBER);
v.put(ActiveUserContract.Columns.FIRST_NAME, VALID_FIRST_NAME);
v.put(ActiveUserContract.Columns.SURNAME, VALID_SURNAME);
return v;
}
public static ContentValues getActiveUserContentValuesWithNullCompanyCode() {
ContentValues v = new ContentValues(7);
v.put(ActiveUserContract.Columns.USERNAME, VALID_USERNAME);
v.putNull(ActiveUserContract.Columns.COMPANY_CODE);
v.put(ActiveUserContract.Columns.COMPANY_LETTER, VALID_COMPANY_LETTER);
v.put(ActiveUserContract.Columns.DRIVER_CODE, VALID_DRIVER_CODE);
v.put(ActiveUserContract.Columns.SITE_NUMBER, VALID_SITE_NUMBER);
v.put(ActiveUserContract.Columns.FIRST_NAME, VALID_FIRST_NAME);
v.put(ActiveUserContract.Columns.SURNAME, VALID_SURNAME);
return v;
}
private static final String VALID_SURNAME = "Brin";
private static final String VALID_FIRST_NAME = "Sergey";
private static final String VALID_SITE_NUMBER = "9";
private static final String VALID_DRIVER_CODE = "SergB201";
private static final String VALID_COMPANY_LETTER = "G";
private static final String VALID_COMPANY_CODE = "GOOGLE!";
private static final String VALID_USERNAME = "123456";
}
关于Android - 使用 ProviderTestCase2 进行测试的代码示例,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/5286876/
目前我的 ProviderTestCase2 中有以下 setUp() 方法。在调用 newResolverWithContentProviderFromSql() 之后,它会在 Android AP
我是一名优秀的程序员,十分优秀!