185 lines
5.0 KiB
JavaScript
185 lines
5.0 KiB
JavaScript
/* Copyright (c) 2016, 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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* 83. lobProperties2.js
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*
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* DESCRIPTION
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* Testing the properties of LOB that created by createLob().
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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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describe("83. lobProperties2.js", function() {
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let connection;
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before(async function() {
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connection = await oracledb.getConnection(dbConfig);
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});
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after(async function() {
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await connection.close();
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});
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const checkChunkSize = async function(type) {
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const lob = await connection.createLob(type);
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const t = lob.chunkSize;
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assert.strictEqual(typeof t, 'number');
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assert.throws(
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() => lob.chunkSize = t + 1,
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/TypeError: Cannot set property chunkSize/
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);
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await lob.close();
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};
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it("83.1 CLOB: chunkSize (read-only)", async function() {
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await checkChunkSize(oracledb.CLOB);
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});
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it("83.2 BLOB: chunkSize (read-only)", async function() {
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await checkChunkSize(oracledb.BLOB);
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});
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const checkLength = async function(type) {
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const lob = await connection.createLob(type);
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const t = lob.length;
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assert.strictEqual(typeof t, 'number');
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assert.throws(
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() => lob.length = t + 1,
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/TypeError: Cannot set property length/
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);
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await lob.close();
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}; // checkLength
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it("83.3 CLOB: length (read-only)", async function() {
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await checkLength(oracledb.CLOB);
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});
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it("83.4 BLOB: length (read-only)", async function() {
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await checkLength(oracledb.BLOB);
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});
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const checkType = async function(lobtype) {
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const lob = await connection.createLob(lobtype);
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const t = lob.type;
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assert.strictEqual(t, lobtype);
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assert.throws(
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() => lob.type = oracledb.BUFFER,
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/TypeError: Cannot set property type/
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);
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await lob.close();
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}; // checkType
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it("83.5 CLOB: type (read-only)", async function() {
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await checkType(oracledb.CLOB);
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});
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it("83.6 BLOB: type (read-only)", async function() {
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await checkType(oracledb.CLOB);
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});
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describe("83.7 pieceSize", function() {
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let defaultChunkSize;
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let clob, blob;
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before("get the lobs", async function() {
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clob = await connection.createLob(oracledb.CLOB);
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defaultChunkSize = clob.chunkSize;
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blob = await connection.createLob(oracledb.BLOB);
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});
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after("close the lobs", async function() {
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await clob.close();
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await blob.close();
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});
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afterEach(function() {
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clob.pieceSize = defaultChunkSize;
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blob.pieceSize = defaultChunkSize;
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});
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it("83.7.1 default value is chunkSize", function() {
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assert.strictEqual(clob.pieceSize, defaultChunkSize);
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assert.strictEqual(blob.pieceSize, defaultChunkSize);
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});
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it("83.7.2 can be increased", function() {
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const newValue = clob.pieceSize * 5;
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clob.pieceSize = clob.pieceSize * 5;
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blob.pieceSize = blob.pieceSize * 5;
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assert.strictEqual(clob.pieceSize, newValue);
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assert.strictEqual(blob.pieceSize, newValue);
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});
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it("83.7.3 can be decreased", function() {
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if (defaultChunkSize <= 500)
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return this.skip();
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const newValue = clob.pieceSize - 500;
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clob.pieceSize -= 500;
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blob.pieceSize -= 500;
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assert.strictEqual(clob.pieceSize, newValue);
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assert.strictEqual(blob.pieceSize, newValue);
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});
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it("83.7.4 can be zero", function() {
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clob.pieceSize = 0;
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blob.pieceSize = 0;
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assert.strictEqual(clob.pieceSize, 0);
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assert.strictEqual(blob.pieceSize, 0);
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});
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it("83.7.5 cannot be less than zero", function() {
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assert.throws(
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() => clob.pieceSize = -100,
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/NJS-004:/
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);
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});
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it("83.7.6 cannot be null", function() {
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assert.throws(
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() => clob.pieceSize = null,
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/NJS-004:/
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);
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});
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it("83.7.7 must be a number", function() {
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assert.throws(
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() => clob.pieceSize = NaN,
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/NJS-004:/
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);
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});
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}); // 83.7
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});
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