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rkistnerrkistner
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Add tests for various column numbers.
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‎dart/test/crud_test.dart

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import 'dart:convert';
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import 'package:sqlite3/common.dart';
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import 'package:test/test.dart';
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import 'utils/native_test_utils.dart';
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void main() {
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group('crud tests', () {
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late CommonDatabase db;
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setUp(() async {
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db = openTestDatabase();
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});
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tearDown(() {
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db.dispose();
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});
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test('powersync_diff - single value', () {
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var r1 =
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db.select('select powersync_diff(?, ?) as diff', ['{}', '{}']).first;
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expect(r1['diff'], equals('{}'));
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var r2 = db.select(
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'select powersync_diff(?, ?) as diff', ['{}', '{"test":1}']).first;
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expect(r2['diff'], equals('{"test":1}'));
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var r3 = db.select('select powersync_diff(?, ?) as diff',
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['{"test":1}', '{"test":1}']).first;
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expect(r3['diff'], equals('{}'));
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var r4 = db.select(
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'select powersync_diff(?, ?) as diff', ['{"test":1}', '{}']).first;
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expect(r4['diff'], equals('{"test":null}'));
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var r5 = db.select('select powersync_diff(?, ?) as diff',
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['{"test":1}', '{"test":null}']).first;
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expect(r5['diff'], equals('{"test":null}'));
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var r6 = db.select('select powersync_diff(?, ?) as diff',
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['{"test":1}', '{"test":2}']).first;
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expect(r6['diff'], equals('{"test":2}'));
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});
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test('powersync_diff - multiple values', () {
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var r1 = db.select('select powersync_diff(?, ?) as diff',
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['{"a":1,"b":"test"}', '{}']).first;
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expect(r1['diff'], equals('{"a":null,"b":null}'));
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var r2 = db.select('select powersync_diff(?, ?) as diff',
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['{}', '{"a":1,"b":"test"}']).first;
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expect(r2['diff'], equals('{"a":1,"b":"test"}'));
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var r3 = db.select('select powersync_diff(?, ?) as diff',
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['{"a":1,"b":"test"}', '{"a":1,"b":"test"}']).first;
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expect(r3['diff'], equals('{}'));
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var r4 = db.select('select powersync_diff(?, ?) as diff',
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['{"a":1}', '{"b":"test"}']).first;
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expect(r4['diff'], equals('{"a":null,"b":"test"}'));
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var r5 = db.select('select powersync_diff(?, ?) as diff',
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['{"a":1}', '{"a":1,"b":"test"}']).first;
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expect(r5['diff'], equals('{"b":"test"}'));
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});
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var runCrudTest = (int numberOfColumns) {
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var columns = [];
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for (var i = 0; i < numberOfColumns; i++) {
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columns.add({'name': 'column$i', 'type': 'TEXT'});
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}
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var tableSchema = {
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'tables': [
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{'name': 'items', 'columns': columns}
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]
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};
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db.select('select powersync_init()');
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// 1. Test schema initialization
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db.select(
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'select powersync_replace_schema(?)', [jsonEncode(tableSchema)]);
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var columnNames = columns.map((c) => c['name']).join(', ');
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var columnValues = columns.map((c) => "'${c['name']}'").join(', ');
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// 2. Test insert
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db.select(
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"insert into items(id, ${columnNames}) values('test_id', ${columnValues})");
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var item = db.select('select * from items').first;
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var expectedData =
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Map.fromEntries(columns.map((c) => MapEntry(c['name'], c['name'])));
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expect(item, equals({'id': 'test_id', ...expectedData}));
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var crud = db.select('select * from ps_crud').first;
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var crudData = jsonDecode(crud['data']);
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expect(crud['tx_id'], equals(1));
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expect(
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crudData,
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equals({
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'op': 'PUT',
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'type': 'items',
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'id': 'test_id',
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'data': expectedData
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}));
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// 3. Test update
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db.select('update items set column0 = ?', ['new_value']);
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var itemUpdated = db.select('select * from items').first;
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expect(itemUpdated,
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equals({'id': 'test_id', ...expectedData, 'column0': 'new_value'}));
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var crudUpdated = db.select('select * from ps_crud where id = 2').first;
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var crudDataUpdated = jsonDecode(crudUpdated['data']);
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expect(crudUpdated['tx_id'], equals(2));
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expect(
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crudDataUpdated,
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equals({
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'op': 'PATCH',
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'type': 'items',
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'id': 'test_id',
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'data': {'column0': 'new_value'}
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}));
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// 4. Test delete
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db.select('delete from items');
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var itemDeleted = db.select('select * from items').firstOrNull;
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expect(itemDeleted, equals(null));
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var crudDeleted = db.select('select * from ps_crud where id = 3').first;
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var crudDataDeleted = jsonDecode(crudDeleted['data']);
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expect(crudDeleted['tx_id'], equals(3));
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expect(crudDataDeleted,
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equals({'op': 'DELETE', 'type': 'items', 'id': 'test_id'}));
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};
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var runCrudTestLocalOnly = (int numberOfColumns) {
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var columns = [];
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for (var i = 0; i < numberOfColumns; i++) {
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columns.add({'name': 'column$i', 'type': 'TEXT'});
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}
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var tableSchema = {
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'tables': [
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{'name': 'items', 'columns': columns, 'local_only': true}
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]
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};
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db.select('select powersync_init()');
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// 1. Test schema initialization
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db.select(
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'select powersync_replace_schema(?)', [jsonEncode(tableSchema)]);
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var columnNames = columns.map((c) => c['name']).join(', ');
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var columnValues = columns.map((c) => "'${c['name']}'").join(', ');
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// 2. Test insert
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db.select(
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"insert into items(id, ${columnNames}) values('test_id', ${columnValues})");
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var item = db.select('select * from items').first;
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var expectedData =
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Map.fromEntries(columns.map((c) => MapEntry(c['name'], c['name'])));
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expect(item, equals({'id': 'test_id', ...expectedData}));
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// 3. Test update
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db.select('update items set column0 = ?', ['new_value']);
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var itemUpdated = db.select('select * from items').first;
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expect(itemUpdated,
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equals({'id': 'test_id', ...expectedData, 'column0': 'new_value'}));
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// 4. Test delete
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db.select('delete from items');
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var itemDeleted = db.select('select * from items').firstOrNull;
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expect(itemDeleted, equals(null));
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};
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var runCrudTestInsertOnly = (int numberOfColumns) {
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var columns = [];
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for (var i = 0; i < numberOfColumns; i++) {
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columns.add({'name': 'column$i', 'type': 'TEXT'});
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}
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var tableSchema = {
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'tables': [
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{'name': 'items', 'columns': columns, 'insert_only': true}
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]
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};
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db.select('select powersync_init()');
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// 1. Test schema initialization
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db.select(
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'select powersync_replace_schema(?)', [jsonEncode(tableSchema)]);
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var columnNames = columns.map((c) => c['name']).join(', ');
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var columnValues = columns.map((c) => "'${c['name']}'").join(', ');
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// 2. Test insert
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db.select(
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"insert into items(id, ${columnNames}) values('test_id', ${columnValues})");
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var item = db.select('select * from items').firstOrNull;
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expect(item, equals(null));
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var expectedData =
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Map.fromEntries(columns.map((c) => MapEntry(c['name'], c['name'])));
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var crud = db.select('select * from ps_crud').first;
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var crudData = jsonDecode(crud['data']);
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expect(crud['tx_id'], equals(1));
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expect(
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crudData,
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equals({
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'op': 'PUT',
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'type': 'items',
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'id': 'test_id',
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'data': expectedData
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}));
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};
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for (var numberOfColumns in [1, 49, 50, 51, 63, 64, 100, 1999]) {
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test('crud test with $numberOfColumns columns', () async {
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runCrudTest(numberOfColumns);
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});
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test('crud test with $numberOfColumns columns - local_only', () async {
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runCrudTestLocalOnly(numberOfColumns);
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});
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test('crud test with $numberOfColumns columns - insert_only', () async {
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runCrudTestInsertOnly(numberOfColumns);
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});
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}
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});
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}

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