我寫了一個ContentProvider來處理本地sqlite數據庫上的query/insert/update/delete
。Android Content Provider奇怪行爲測試
出於測試目的,我寫了幾個測試:
TestMovieContract.java : for testing MovieContract class
TestMovieDBHelper.java : for testing MovieDBHelper class
TestUriMatcher.java : for testing UriMatcher inside MovieContentProvider class
TestProvider.java : for testing MovieContentProvider class
當我單獨運行這些測試,他們都獲得通過,但是當我運行所有這些測試的一個失敗。它失敗的斷言語句是:
returnedUri = mContext.getContentResolver().insert(
movieInsertUri,
sampleMovieValues
);
assertNotNull("the values have not been inserted into " + MovieContract.MovieEntry.TABLE_NAME, returnedUri);
當我檢查執行這個特定的測試,當我看到一個異常的logcat:
04-24 19:16:00.086 6938-6963/com.example.android.popularmovies.app I/TestRunner: started: testAndroidTestCaseSetupProperly(com.example.android.popularmovies.app.data.TestProvider)
04-24 19:16:00.104 6938-6963/com.example.android.popularmovies.app I/TestRunner: finished: testAndroidTestCaseSetupProperly(com.example.android.popularmovies.app.data.TestProvider)
04-24 19:16:00.104 6938-6963/com.example.android.popularmovies.app I/TestRunner: passed: testAndroidTestCaseSetupProperly(com.example.android.popularmovies.app.data.TestProvider)
04-24 19:16:00.104 6938-6963/com.example.android.popularmovies.app I/TestRunner: started: testDelete(com.example.android.popularmovies.app.data.TestProvider)
04-24 19:16:00.122 6938-6963/? E/SQLiteLog: (1032) statement aborts at 33: [INSERT INTO movie(popularity,vote_average,original_title,backdrop_url,movie_id,original_lang,image_url,overview,title,is_adult,release_date,vote_count,is_favorite,genre_ids) VALUES (?,
04-24 19:16:00.122 6938-6963/? E/SQLiteDatabase: Error inserting popularity=8.3 vote_average=5.2 original_title=Some Android backdrop_url=http://mybackimage.com/44.png movie_id=40443 original_lang=en image_url=http://someimage.com/33.jpg overview=This is a sample overview title=Very First Android is_adult=true release_date=2015-05-23 vote_count=33345 is_favorite=true genre_ids=23,1,5
android.database.sqlite.SQLiteReadOnlyDatabaseException: attempt to write a readonly database (code 1032)
at android.database.sqlite.SQLiteConnection.nativeExecuteForLastInsertedRowId(Native Method)
at android.database.sqlite.SQLiteConnection.executeForLastInsertedRowId(SQLiteConnection.java:780)
at android.database.sqlite.SQLiteSession.executeForLastInsertedRowId(SQLiteSession.java:788)
at android.database.sqlite.SQLiteStatement.executeInsert(SQLiteStatement.java:86)
at android.database.sqlite.SQLiteDatabase.insertWithOnConflict(SQLiteDatabase.java:1471)
at android.database.sqlite.SQLiteDatabase.insert(SQLiteDatabase.java:1341)
at com.example.android.popularmovies.app.data.MovieContentProvider.insert(MovieContentProvider.java:197)
at android.content.ContentProvider$Transport.insert(ContentProvider.java:263)
at android.content.ContentResolver.insert(ContentResolver.java:1231)
at com.example.android.popularmovies.app.data.TestProvider.testDelete(TestProvider.java:308)
at java.lang.reflect.Method.invoke(Native Method)
at junit.framework.TestCase.runTest(TestCase.java:168)
at junit.framework.TestCase.runBare(TestCase.java:134)
at junit.framework.TestResult$1.protect(TestResult.java:115)
at junit.framework.TestResult.runProtected(TestResult.java:133)
at junit.framework.TestResult.run(TestResult.java:118)
at junit.framework.TestCase.run(TestCase.java:124)
at android.test.AndroidTestRunner.runTest(AndroidTestRunner.java:191)
at android.test.AndroidTestRunner.runTest(AndroidTestRunner.java:176)
at android.test.InstrumentationTestRunner.onStart(InstrumentationTestRunner.java:555)
at android.app.Instrumentation$InstrumentationThread.run(Instrumentation.java:1879)
04-24 19:16:00.122 6938-6963/? W/SQLiteLog: (28) file unlinked while open: /data/user/0/com.example.android.popularmovies.app/databases/movie.db
有一個在這篇日誌,我認爲年底的警告很重要。它顯示數據庫文件未鏈接。我檢查了我的所有代碼,以查看任何數據庫連接的正確關閉。
我的問題是爲什麼當我運行TestProvider.java
時測試通過,但是當我運行所有這些時失敗了?我該如何解決它?
UPDATE
我做了小改動的地方我斷言失敗的面積和克隆的插入語句。新代碼如下所示:
returnedUri = mContext.getContentResolver().insert(
movieInsertUri,
sampleMovieValues
);
returnedUri = mContext.getContentResolver().insert(
movieInsertUri,
sampleMovieValues
);
assertNotNull("the values have not been inserted into " + MovieContract.MovieEntry.TABLE_NAME, returnedUri);
令人驚訝的所有測試都通過,使我覺得有可能的東西引擎蓋下是錯誤的。我很感激,如果有人能幫助我搞清楚了這一點
你使用模擬器還是真實設備?它是否植根?它有多少內存? –
@MaximG模擬1G內存 – Pooya