221 lines
9.0 KiB
JavaScript
221 lines
9.0 KiB
JavaScript
/* Copyright (c) 2019, 2022, Oracle and/or its affiliates. */
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/******************************************************************************
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*
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* This software is dual-licensed to you under the Universal Permissive License
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* (UPL) 1.0 as shown at https://oss.oracle.com/licenses/upl and Apache License
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* 2.0 as shown at https://www.apache.org/licenses/LICENSE-2.0. You may choose
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* either license.
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*
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* If you elect to accept the software under the Apache License, Version 2.0,
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* the following applies:
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://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,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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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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* 188. fetchRawAsString.js
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*
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* DESCRIPTION
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* Testing Oracle data type support - RAW.
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* To fetch RAW columns as strings.
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*
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*****************************************************************************/
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'use strict';
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const oracledb = require('oracledb');
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const assert = require('assert');
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const dbConfig = require('./dbconfig.js');
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const random = require('./random.js');
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describe('188. fetchRawAsString.js', function() {
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let conn;
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const tableName = "nodb_rawToString";
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const rawMaxLength = 20;
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const rawContentString = random.getRandomLengthString(5);
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const rawContentNumber = random.getRandomInt(1, 99);
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const rawContentFloat = Math.random();
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const rawMaxLengthString = random.getRandomLengthString(rawMaxLength);
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function getHex(num, type) {
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let view, length;
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if (type === "float") {
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length = 4;
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view = new DataView(new ArrayBuffer(length));
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view.setFloat32(0, num);
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} else if (type === "double") {
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length = 8;
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view = new DataView(new ArrayBuffer(length));
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view.setFloat64(0, num);
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} else if (type === "integer") {
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length = 4;
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view = new DataView(new ArrayBuffer(length));
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view.setInt32(0, num);
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} else if (type === "number") {
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// Only apply to oracle number type in range 1~99 !
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return (0xc101 + num).toString(16);
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}
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const hx = (i) => ('00' + i.toString(16)).slice(-2);
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return Array
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.apply(null, { length })
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.map((_, i) => hx(view.getUint8(i)))
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.join('');
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}
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before(async function() {
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conn = await oracledb.getConnection(dbConfig);
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const sqlCreateTable = `BEGIN \n` +
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` DECLARE \n` +
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` e_table_missing EXCEPTION; \n` +
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` PRAGMA EXCEPTION_INIT(e_table_missing, -00942);\n` +
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` BEGIN \n` +
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` EXECUTE IMMEDIATE ('DROP TABLE ${tableName} PURGE' ); \n` +
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` EXCEPTION \n` +
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` WHEN e_table_missing \n` +
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` THEN NULL; \n` +
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` END; \n` +
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` EXECUTE IMMEDIATE ( ' \n` +
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` CREATE TABLE ${tableName} ( \n` +
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` raw_content RAW(${rawMaxLength}) NULL, \n` +
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` content_type VARCHAR(20) \n` +
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` ) \n` +
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` '); \n` +
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`END; `;
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await conn.execute(sqlCreateTable);
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let sql = `INSERT INTO ${tableName} VALUES(utl_raw.cast_to_raw('${rawContentString}'), 'string')`;
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await conn.execute(sql);
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sql = `INSERT INTO ${tableName} VALUES(utl_raw.cast_from_number(${rawContentNumber}), 'number')`;
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await conn.execute(sql);
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sql = `INSERT INTO ${tableName} VALUES(utl_raw.cast_from_binary_double(${rawContentFloat}), 'binary_double')`;
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await conn.execute(sql);
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sql = `INSERT INTO ${tableName} VALUES(utl_raw.cast_from_binary_float(${rawContentFloat}), 'binary_float')`;
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await conn.execute(sql);
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sql = `INSERT INTO ${tableName} VALUES(utl_raw.cast_from_binary_integer(${rawContentNumber}), 'binary_integer')`;
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await conn.execute(sql);
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sql = `INSERT INTO ${tableName} VALUES(utl_raw.cast_to_raw('${rawMaxLengthString}'), 'max_length_string')`;
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await conn.execute(sql);
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await conn.commit();
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});
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after(async function() {
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const sqlDropTable = `BEGIN \n` +
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` DECLARE \n` +
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` e_table_missing EXCEPTION; \n` +
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` PRAGMA EXCEPTION_INIT(e_table_missing, -00942);\n` +
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` BEGIN \n` +
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` EXECUTE IMMEDIATE ('DROP TABLE ${tableName} PURGE' ); \n` +
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` EXCEPTION \n` +
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` WHEN e_table_missing \n` +
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` THEN NULL; \n` +
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` END; \n` +
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`END; `;
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await conn.execute(sqlDropTable);
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await conn.close();
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});
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afterEach(function() {
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oracledb.fetchAsString = [];
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});
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it("188.1 Fetch RAW by default should be oracledb.BUFFER type", async function() {
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const res = await conn.execute(`select raw_content from ${tableName} where content_type='string'`);
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assert.strictEqual(res.rows.length, 1);
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const fetchedContent = res.rows[0][0];
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assert.strictEqual(fetchedContent.toString("hex"), Buffer.from(rawContentString).toString("hex"));
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});
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it("188.2 Fetch RAW as string by defining fetchAsString", async function() {
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oracledb.fetchAsString = [oracledb.BUFFER];
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const res = await conn.execute(`select raw_content from ${tableName} where content_type='string'`);
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assert.strictEqual(res.rows.length, 1);
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const fetchedContent = res.rows[0][0];
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assert.strictEqual(fetchedContent.toString("hex").toLowerCase(), Buffer.from(rawContentString).toString("hex"));
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});
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it("188.3 Fetch RAW as string by defining fetchInfo", async function() {
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oracledb.fetchAsString = [];
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const res = await conn.execute(
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`select raw_content from ${tableName} where content_type='string'`, [],
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{ fetchInfo: {"RAW_CONTENT": {type: oracledb.STRING}} }
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);
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assert.strictEqual(res.rows.length, 1);
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const fetchedContent = res.rows[0][0];
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assert.strictEqual(fetchedContent.toString("hex").toLowerCase(), Buffer.from(rawContentString).toString("hex"));
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});
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it("188.4 Fetch number converted RAW as string", async function() {
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oracledb.fetchAsString = [oracledb.BUFFER];
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const res = await conn.execute(`select raw_content from ${tableName} where content_type='number'`);
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assert.strictEqual(res.rows.length, 1);
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const fetchedContent = res.rows[0][0];
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assert.strictEqual(fetchedContent.toString("hex").toLowerCase(), getHex(rawContentNumber, "number"));
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});
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it("188.5 Fetch binary double converted RAW as string", async function() {
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oracledb.fetchAsString = [oracledb.BUFFER];
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const res = await conn.execute(`select raw_content from ${tableName} where content_type='binary_double'`);
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assert.strictEqual(res.rows.length, 1);
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const fetchedContent = res.rows[0][0];
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assert.strictEqual(fetchedContent.toString("hex").toLowerCase(), getHex(rawContentFloat, "double"));
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});
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it("188.6 Fetch binary float converted RAW as string", async function() {
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oracledb.fetchAsString = [oracledb.BUFFER];
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const res = await conn.execute(`select raw_content from ${tableName} where content_type='binary_float'`);
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assert.strictEqual(res.rows.length, 1);
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const fetchedContent = res.rows[0][0];
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assert.strictEqual(fetchedContent.toString("hex").toLowerCase(), getHex(rawContentFloat, "float"));
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});
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it("188.7 Fetch binary integer converted RAW as string", async function() {
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oracledb.fetchAsString = [oracledb.BUFFER];
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const res = await conn.execute(`select raw_content from ${tableName} where content_type='binary_integer'`);
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assert.strictEqual(res.rows.length, 1);
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const fetchedContent = res.rows[0][0];
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assert.strictEqual(fetchedContent.toString("hex").toLowerCase(), getHex(rawContentNumber, "integer"));
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});
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it("188.8 Insert a string of maximum lenght of RAW then fetch it as string", async function() {
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oracledb.fetchAsString = [oracledb.BUFFER];
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const res = await conn.execute(`select raw_content from ${tableName} where content_type='max_length_string'`);
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assert.strictEqual(res.rows.length, 1);
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const fetchedContent = res.rows[0][0];
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assert.strictEqual(fetchedContent.toString("hex").toLowerCase(), Buffer.from(rawMaxLengthString).toString("hex"));
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});
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it("188.9 Insert a string exceeds maximum lenght of RAW", async function() {
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const contentString = random.getRandomLengthString(rawMaxLength + 1);
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const sql = `INSERT INTO ${tableName} VALUES(utl_raw.cast_to_raw('${contentString}'), 'string')`;
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await assert.rejects(async () => {
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await conn.execute(sql);
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await conn.commit();
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}, /ORA-12899:/); // ORA-12899: value too large for column "HR"."NODB_RAWTOSTRING"."RAW_CONTENT" (actual: 21, maximum: 20)
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});
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it("188.10 Insert null to RAW column then fetch it as string", async function() {
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const sql = `INSERT INTO ${tableName} VALUES(null, 'null')`;
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await conn.execute(sql);
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await conn.commit();
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oracledb.fetchAsString = [oracledb.BUFFER];
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const res = await conn.execute(`select raw_content from ${tableName} where content_type='null'`);
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assert.strictEqual(res.rows.length, 1);
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assert.strictEqual(res.rows[0][0], null);
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});
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});
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