Android ContentProvider 内容提供程序單元測試

ContentProvider 内容提供程序單元測試

public class youContentProviderTest {
    @Test
    public void delete() throws Exception {
        Context context = InstrumentationRegistry.getContext();
        ContentResolver contentResolver = context.getContentResolver();
        Uri uri = Uri.parse("content://com.kankanla.e560.m0325a.youContentProvider/categoly/delete/");
        int i = contentResolver.delete(uri, "rowid > ?", new String[]{"10"});
        System.out.println("77777777777777777777777777777777");
        System.out.println(i);
    }

    @Test
    public void insert() throws Exception {
        Context context = InstrumentationRegistry.getContext();
        ContentResolver contentResolver = context.getContentResolver();
        Uri uri = Uri.parse("content://com.kankanla.e560.m0325a.youContentProvider/category/insert/1");
        System.out.println("11111111111111111111111111111111111111111");
        System.out.println(uri.getAuthority());
        System.out.println(uri.getPath());
        System.out.println(uri.getPathSegments());
        System.out.println("2222222222222222222222222222222222222222222");
        ContentValues contentValues = new ContentValues();
        contentValues.put("category_name", "日本語");
        for (int i = 0; i < 10; i++) {
            Uri uri1 = contentResolver.insert(uri, contentValues);
            System.out.println(uri1.toString());
        }
    }

}

package com.kankanla.e560.m0325a;

import android.content.ContentProvider;
import android.content.ContentUris;
import android.content.ContentValues;
import android.content.Context;
import android.content.UriMatcher;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.net.Uri;
import android.provider.Settings;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.util.Log;

/**
 * Created by E560 on 2017/03/25.
 */

public class youContentProvider extends ContentProvider {
    private static final String TAG = "youContentProvider";
    private static YouDB youDB;
    private static UriMatcher uriMatcher;
    private static final String AUTHORITY = "com.kankanla.e560.m0325a.youContentProvider";

    private static final int insert_category = 1;
    private static final int select_category = 2;
    private static final int insert_list = 3;
    private static final int select_list = 4;
    private static final int matcher_all = 5;
    private static final int del_category = 6;
    private static final int error = 9;

    static {
        uriMatcher = new UriMatcher(UriMatcher.NO_MATCH);
        uriMatcher.addURI(AUTHORITY, "list/insert", insert_list);
        uriMatcher.addURI(AUTHORITY, "category/insert", insert_category);
        uriMatcher.addURI(AUTHORITY, "category/insert/#", insert_category);
        uriMatcher.addURI(AUTHORITY, "category/delete/", del_category);
        uriMatcher.addURI(AUTHORITY, "*/*/*", error);
    }

    @Override
    public boolean onCreate() {
        youDB = new YouDB(getContext());
        SQLiteDatabase sqLiteDatabase = youDB.getReadableDatabase();
        sqLiteDatabase.isReadOnly();
        System.out.println("888888888888888888888888888888888888888888");
        Log.i(TAG, String.valueOf(sqLiteDatabase.isOpen()));
        return sqLiteDatabase.isOpen();
    }

    @Nullable
    @Override
    public Cursor query(@NonNull Uri uri, @Nullable String[] projection, @Nullable String selection, @Nullable String[] selectionArgs, @Nullable String sortOrder) {
        return null;
    }

    @Nullable
    @Override
    public String getType(@NonNull Uri uri) {
        return null;
    }

    @Nullable
    @Override
    public Uri insert(@NonNull Uri uri, @Nullable ContentValues values) {
        Uri uri1 = Uri.parse(uri.getAuthority() + uri.getPath());
        int i = uriMatcher.match(uri);
        System.out.println(i);
        long cont = 0;
        System.out.println("000000000000000000000000000000000000000000000000");
        SQLiteDatabase sqLiteDatabase = youDB.getWritableDatabase();
        switch (i) {
            case insert_category:
                cont = sqLiteDatabase.insert("category", null, values);
                uri1 = ContentUris.withAppendedId(Uri.parse(uri.getAuthority() + uri.getPath()), cont);
                break;
            case insert_list:
                cont = sqLiteDatabase.insert("list", null, values);
                uri1 = ContentUris.withAppendedId(Uri.parse(uri.getAuthority() + uri.getPath()), cont);
                break;
        }
        System.out.println(uri1.toString());
        sqLiteDatabase.close();
        return uri1;
    }

    @Override
    public int delete(@NonNull Uri uri, @Nullable String selection, @Nullable String[] selectionArgs) {
        int flag = uriMatcher.match(uri);
        int con = 0;
        SQLiteDatabase sqLiteDatabase = youDB.getWritableDatabase();
        switch (flag) {
            case del_category:
                con = sqLiteDatabase.delete("category", selection, selectionArgs);
                break;
        }
        sqLiteDatabase.close();
        return con;
    }

    @Override
    public int update(@NonNull Uri uri, @Nullable ContentValues values, @Nullable String selection, @Nullable String[] selectionArgs) {
        return 0;
    }

    private class YouDB extends SQLiteOpenHelper {
        private static final String name = "m0325.db";
        private static final int version = 1;

        public YouDB(Context context) {
            super(context, name, null, version);
        }

        @Override
        public void onCreate(SQLiteDatabase db) {
            String sql_category = "create table category(rowid INTEGER PRIMARY KEY AUTOINCREMENT, category_name TEXT NOT NULL)";
            String sql_index = "create table list (rowid INTEGER PRIMARY KEY AUTOINCREMENT, category_id INTEGER NOT NULL,comment TEXT)";
            db.execSQL(sql_category);
            db.execSQL(sql_index);
        }

        @Override
        public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {

        }
    }

}