node-oracledb/test/dataTypeBinaryFloat.js

129 lines
4.1 KiB
JavaScript

/* Copyright (c) 2015, 2023, Oracle and/or its affiliates. */
/******************************************************************************
*
* This software is dual-licensed to you under the Universal Permissive License
* (UPL) 1.0 as shown at https://oss.oracle.com/licenses/upl and Apache License
* 2.0 as shown at https://www.apache.org/licenses/LICENSE-2.0. You may choose
* either license.
*
* If you elect to accept the software under the Apache License, Version 2.0,
* the following applies:
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* NAME
* 30. dataTypeBinaryFloat.js
*
* DESCRIPTION
* Testing Oracle data type support - BINARY_FLOAT.
*
*****************************************************************************/
'use strict';
const oracledb = require('oracledb');
const assert = require('assert');
const assist = require('./dataTypeAssist.js');
const dbConfig = require('./dbconfig.js');
describe('30. dataTypeBinaryFloat.js', function() {
let connection = null;
const tableName = "nodb_binary_float";
before('get one connection', async function() {
connection = await oracledb.getConnection(dbConfig);
});
after('release connection', async function() {
await connection.close();
});
describe('30.1 testing BINARY_FLOAT data', function() {
const numbers = assist.data.numbersForBinaryFloat;
before('create table, insert data', async function() {
await assist.setUp(connection, tableName, numbers);
});
after(async function() {
oracledb.fetchAsString = [];
await connection.execute(`DROP table ` + tableName + ` PURGE`);
});
it('30.1.1 works well with SELECT query', async function() {
await assist.dataTypeSupport(connection, tableName, numbers);
});
it('30.1.2 works well with result set', async function() {
await assist.verifyResultSet(connection, tableName, numbers);
});
it('30.1.3 works well with REF Cursor', async function() {
await assist.verifyRefCursor(connection, tableName, numbers);
});
it('30.1.4 columns fetched from REF CURSORS can be mapped by fetchInfo settings', async function() {
await assist.verifyRefCursorWithFetchInfo(connection, tableName, numbers);
});
it('30.1.5 columns fetched from REF CURSORS can be mapped by oracledb.fetchAsString', async function() {
oracledb.fetchAsString = [ oracledb.NUMBER ];
await assist.verifyRefCursorWithFetchAsString(connection, tableName, numbers);
});
}); // 30.1
describe('30.2 stores null value correctly', function() {
it('30.2.1 testing Null, Empty string and Undefined', async function() {
await assist.verifyNullValues(connection, tableName);
});
});
describe('30.3 testing floating-point numbers which cannot be precisely represent', function() {
const nums =
[
2345.67,
9876.54321,
0.01234,
0.00000123
];
before('create table, insert data', async function() {
await assist.setUp(connection, tableName, nums);
});
after(async function() {
await connection.execute(`DROP table ` + tableName + ` PURGE`);
});
it('30.3.1 rounding numbers', async function() {
const result = await connection.execute(
`SELECT * FROM ` + tableName,
[],
{ outFormat: oracledb.OUT_FORMAT_OBJECT });
for (let i = 0; i < nums.length; i++) {
assert.notStrictEqual(result.rows[i].CONTENT, nums[result.rows[i].NUM]);
assert(approxeq(result.rows[i].CONTENT, nums[result.rows[i].NUM]));
}
});
function approxeq(v1, v2) {
const precision = 0.001;
return Math.abs(v1 - v2) < precision;
}
}); // 30.3
});