1// Licensed to the Apache Software Foundation (ASF) under one
2// or more contributor license agreements.  See the NOTICE file
3// distributed with this work for additional information
4// regarding copyright ownership.  The ASF licenses this file
5// to you under the Apache License, Version 2.0 (the
6// "License"); you may not use this file except in compliance
7// with the License.  You may obtain a copy of the License at
8//
9//   http://www.apache.org/licenses/LICENSE-2.0
10//
11// Unless required by applicable law or agreed to in writing,
12// software distributed under the License is distributed on an
13// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
14// KIND, either express or implied.  See the License for the
15// specific language governing permissions and limitations
16// under the License.
17
18import {
19    generateRandomTables,
20    generateDictionaryTables
21} from '../../../data/tables';
22
23import { validateRecordBatchIterator } from '../validate';
24import { Table, RecordBatchJSONWriter } from '../../../Arrow';
25
26/* tslint:disable */
27const { parse: bignumJSONParse } = require('json-bignum');
28
29describe('RecordBatchJSONWriter', () => {
30    for (const table of generateRandomTables([10, 20, 30])) {
31        testJSONWriter(table, `[${table.schema.fields.join(', ')}]`);
32    }
33    for (const table of generateDictionaryTables([10, 20, 30])) {
34        testJSONWriter(table, `${table.schema.fields[0]}`);
35    }
36});
37
38function testJSONWriter(table: Table, name: string) {
39    describe(`should write the Arrow IPC JSON format (${name})`, () => {
40        test(`Table`, validateTable.bind(0, table));
41    });
42}
43
44async function validateTable(source: Table) {
45    const writer = RecordBatchJSONWriter.writeAll(source);
46    const result = Table.from(bignumJSONParse(await writer.toString()));
47    validateRecordBatchIterator(3, source.chunks);
48    expect(result).toEqualTable(source);
49}
50