472 lines
13 KiB
JavaScript
472 lines
13 KiB
JavaScript
/* Copyright (c) 2017, 2022, Oracle and/or its affiliates. */
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/******************************************************************************
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*
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* You may not use the identified files except in compliance with the Apache
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* License, Version 2.0 (the "License.")
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*
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* You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0.
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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*
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* NAME
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* 123. dataTypeNclob.js
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*
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* DESCRIPTION
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* Testing Oracle data type support - NCLOB.
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*
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*****************************************************************************/
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'use strict';
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var oracledb = require('oracledb');
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var async = require('async');
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var should = require('should');
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var dbConfig = require('./dbconfig.js');
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var assist = require('./dataTypeAssist.js');
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var random = require('./random.js');
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describe('123. dataTypeNclob.js', function() {
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var connection = null;
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var tableName = "nodb_nclob";
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var insertID = 0;
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before('get one connection', function(done) {
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oracledb.getConnection(dbConfig, function(err, conn) {
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should.not.exist(err);
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connection = conn;
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done();
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});
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});
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after('release connection', function(done) {
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connection.release(function(err) {
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should.not.exist(err);
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done();
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});
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});
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beforeEach(function(done) {
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insertID++;
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done();
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});
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describe('123.1 insert and stream out', function() {
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before('create table', function(done) {
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assist.createTable(connection, tableName, done);
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});
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after(function(done) {
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connection.execute(
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"DROP table " + tableName + " PURGE",
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function(err) {
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should.not.exist(err);
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done();
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}
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);
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});
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it('123.1.1 works with data size 100', function(done) {
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var insertLength = 100;
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var insertStr = random.getRandomLengthString(insertLength);
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async.series([
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function(cb) {
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insertData(tableName, insertStr, cb);
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},
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function(cb) {
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streamLob(tableName, insertStr, cb);
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}
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], done);
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});
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it('123.1.2 works with data size 3000', function(done) {
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var insertLength = 3000;
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var insertStr = random.getRandomLengthString(insertLength);
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async.series([
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function(cb) {
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insertData(tableName, insertStr, cb);
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},
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function(cb) {
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streamLob(tableName, insertStr, cb);
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}
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], done);
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});
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}); // 123.1
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describe('123.2 insert and fetch as string with fetchInfo', function() {
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before('create table', function(done) {
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assist.createTable(connection, tableName, done);
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});
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after(function(done) {
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connection.execute(
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"DROP table " + tableName + " PURGE",
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function(err) {
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should.not.exist(err);
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done();
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}
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);
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});
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it('123.2.1 works with data size 100', function(done) {
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var insertLength = 100;
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var insertStr = random.getRandomLengthString(insertLength);
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async.series([
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function(cb) {
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insertData(tableName, insertStr, cb);
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},
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function(cb) {
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fetchLob_fetchInfo(tableName, insertStr, cb);
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}
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], done);
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});
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it('123.2.2 works with data size 3000', function(done) {
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var insertLength = 3000;
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var insertStr = random.getRandomLengthString(insertLength);
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async.series([
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function(cb) {
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insertData(tableName, insertStr, cb);
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},
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function(cb) {
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fetchLob_fetchInfo(tableName, insertStr, cb);
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}
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], done);
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});
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it('123.2.3 works with resultSet', function(done) {
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var insertLength = 3000;
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var insertStr = random.getRandomLengthString(insertLength);
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async.series([
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function(cb) {
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insertData(tableName, insertStr, cb);
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},
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function(cb) {
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fetchLob_fetchInfo_rs(tableName, insertStr, cb);
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}
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], done);
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});
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});
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describe('123.3 insert and fetch as string with oracledb.fetchAsString', function() {
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beforeEach('set oracledb.fetchAsString', function(done) {
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oracledb.fetchAsString = [ oracledb.CLOB ];
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done();
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}); // beforeEach
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afterEach('clear the By type specification', function(done) {
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oracledb.fetchAsString = [];
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done();
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}); // afterEach
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before('create table', function(done) {
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assist.createTable(connection, tableName, done);
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});
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after(function(done) {
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connection.execute(
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"DROP table " + tableName + " PURGE",
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function(err) {
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should.not.exist(err);
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done();
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}
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);
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});
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it('123.3.1 works with data size 100', function(done) {
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var insertLength = 100;
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var insertStr = random.getRandomLengthString(insertLength);
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async.series([
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function(cb) {
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insertData(tableName, insertStr, cb);
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},
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function(cb) {
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fetchLob_fetchas(tableName, insertStr, cb);
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}
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], done);
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});
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it('123.3.2 works with data size 3000', function(done) {
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var insertLength = 3000;
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var insertStr = random.getRandomLengthString(insertLength);
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async.series([
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function(cb) {
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insertData(tableName, insertStr, cb);
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},
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function(cb) {
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fetchLob_fetchas(tableName, insertStr, cb);
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}
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], done);
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});
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it('123.3.2 works with resultSet', function(done) {
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var insertLength = 3000;
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var insertStr = random.getRandomLengthString(insertLength);
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async.series([
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function(cb) {
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insertData(tableName, insertStr, cb);
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},
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function(cb) {
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fetchLob_fetchas_rs(tableName, insertStr, cb);
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}
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], done);
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});
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});
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describe('123.4 ref cursor', function() {
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before('create table', function(done) {
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assist.createTable(connection, tableName, done);
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});
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after(function(done) {
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oracledb.fetchAsString = [];
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connection.execute(
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"DROP table " + tableName + " PURGE",
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function(err) {
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should.not.exist(err);
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done();
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}
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);
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});
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it('123.4.1 columns fetched from REF CURSORS can be mapped by fetchInfo settings', function(done) {
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var insertLength = 3000;
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var insertStr = random.getRandomLengthString(insertLength);
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async.series([
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function(cb) {
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insertData(tableName, insertStr, cb);
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},
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function(cb) {
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verifyRefCursor_fetchInfo(tableName, insertStr, cb);
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}
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], done);
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});
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it('123.4.2 columns fetched from REF CURSORS can be mapped by oracledb.fetchAsString', function(done) {
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var insertLength = 3000;
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var insertStr = random.getRandomLengthString(insertLength);
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oracledb.fetchAsString = [ oracledb.CLOB ];
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async.series([
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function(cb) {
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insertData(tableName, insertStr, cb);
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},
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function(cb) {
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verifyRefCursor_fetchas(tableName, insertStr, cb);
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}
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], done);
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});
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});
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describe('123.5 stores null value correctly', function() {
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it('123.5.1 works with Null, Empty string and Undefined', function(done) {
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assist.verifyNullValues(connection, tableName, done);
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});
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});
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var insertData = function(tableName, insertStr, callback) {
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var sql = "INSERT INTO " + tableName + "(num, content) VALUES(" + insertID + ", TO_NCLOB('" + insertStr + "'))";
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connection.execute(
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sql,
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function(err) {
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should.not.exist(err);
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callback();
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}
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);
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};
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var streamLob = function(tableName, originalStr, callback) {
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connection.execute(
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"SELECT TO_CLOB(content) FROM " + tableName + " where num = " + insertID,
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function(err, result) {
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should.not.exist(err);
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var clob = '';
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var lob = result.rows[0][0];
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should.exist(lob);
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lob.setEncoding('utf8'); // set the encoding so we get a 'string' not a 'buffer'
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lob.on('data', function(chunk) {
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clob += chunk;
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});
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lob.on('end', function() {
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should.strictEqual(clob.length, originalStr.length);
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should.strictEqual(clob, originalStr);
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callback();
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});
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lob.on('error', function(err) {
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should.not.exist(err);
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});
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});
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};
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var fetchLob_fetchInfo = function(tableName, originalStr, callback) {
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connection.execute(
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"SELECT content AS C FROM " + tableName + " where num = " + insertID,
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{},
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{
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fetchInfo : { C : { type : oracledb.STRING } }
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},
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function(err, result) {
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should.not.exist(err);
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var resultStr = result.rows[0][0];
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should.strictEqual(resultStr.length, originalStr.length);
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should.strictEqual(resultStr, originalStr);
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callback();
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});
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};
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var fetchLob_fetchInfo_rs = function(tableName, originalStr, callback) {
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connection.execute(
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"SELECT content FROM " + tableName + " where num = " + insertID,
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{},
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{
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fetchInfo : { CONTENT : { type : oracledb.STRING } },
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resultSet : true
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},
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function(err, result) {
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should.not.exist(err);
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(result.resultSet.metaData[0]).name.should.eql('CONTENT');
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fetchRowFromRS(result.resultSet, originalStr, callback);
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});
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};
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var fetchLob_fetchas = function(tableName, originalStr, callback) {
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connection.execute(
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"SELECT content AS C FROM " + tableName + " where num = " + insertID,
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function(err, result) {
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should.not.exist(err);
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var resultStr = result.rows[0][0];
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should.strictEqual(resultStr.length, originalStr.length);
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should.strictEqual(resultStr, originalStr);
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callback();
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});
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};
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var fetchLob_fetchas_rs = function(tableName, originalStr, callback) {
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connection.execute(
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"SELECT content FROM " + tableName + " where num = " + insertID,
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{},
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{
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resultSet : true
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},
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function(err, result) {
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should.not.exist(err);
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(result.resultSet.metaData[0]).name.should.eql('CONTENT');
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fetchRowFromRS(result.resultSet, originalStr, callback);
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});
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};
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var fetchRowFromRS = function(rs, originalStr, cb) {
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rs.getRow(function(err, row) {
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should.not.exist(err);
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var resultVal = row[0];
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should.strictEqual(resultVal.length, originalStr.length);
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should.strictEqual(resultVal, originalStr);
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rs.close(function(err) {
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should.not.exist(err);
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cb();
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});
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});
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};
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var verifyRefCursor_fetchInfo = function(tableName, originalStr, done) {
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var createProc =
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"CREATE OR REPLACE PROCEDURE testproc (p_out OUT SYS_REFCURSOR) " +
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"AS " +
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"BEGIN " +
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" OPEN p_out FOR " +
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" SELECT content FROM " + tableName + " where num = " + insertID + "; " +
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"END; ";
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async.series([
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function createProcedure(callback) {
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connection.execute(
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createProc,
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function(err) {
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should.not.exist(err);
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callback();
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}
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);
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},
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function verify(callback) {
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connection.execute(
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"BEGIN testproc(:o); END;",
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[
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{ type: oracledb.CURSOR, dir: oracledb.BIND_OUT }
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],
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{ fetchInfo : { CONTENT : { type : oracledb.STRING } } },
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function(err, result) {
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should.not.exist(err);
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fetchRowFromRS(result.outBinds[0], originalStr, callback);
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}
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);
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},
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function dropProcedure(callback) {
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connection.execute(
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"DROP PROCEDURE testproc",
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function(err) {
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should.not.exist(err);
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callback();
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}
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);
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}
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], done);
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};
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var verifyRefCursor_fetchas = function(tableName, originalStr, done) {
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var createProc =
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"CREATE OR REPLACE PROCEDURE testproc (p_out OUT SYS_REFCURSOR) " +
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"AS " +
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"BEGIN " +
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" OPEN p_out FOR " +
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" SELECT content FROM " + tableName + " where num = " + insertID + "; " +
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"END; ";
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async.series([
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function createProcedure(callback) {
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connection.execute(
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createProc,
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function(err) {
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should.not.exist(err);
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callback();
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}
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);
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},
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function verify(callback) {
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connection.execute(
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"BEGIN testproc(:o); END;",
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[
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{ type: oracledb.CURSOR, dir: oracledb.BIND_OUT }
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],
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function(err, result) {
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should.not.exist(err);
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fetchRowFromRS(result.outBinds[0], originalStr, callback);
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}
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);
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},
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function dropProcedure(callback) {
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connection.execute(
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"DROP PROCEDURE testproc",
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function(err) {
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should.not.exist(err);
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callback();
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}
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);
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}
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], done);
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};
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});
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