@mysql/xdevapi/test/unit/DevAPI/Column.js

MySQL Connector/Node.js - A Node.js driver for MySQL using the X Protocol and X DevAPI.

/*
 * Copyright (c) 2020, 2021, Oracle and/or its affiliates.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License, version 2.0, as
 * published by the Free Software Foundation.
 *
 * This program is also distributed with certain software (including
 * but not limited to OpenSSL) that is licensed under separate terms,
 * as designated in a particular file or component or in included license
 * documentation.  The authors of MySQL hereby grant you an
 * additional permission to link the program and your derivative works
 * with the separately licensed software that they have included with
 * MySQL.
 *
 * Without limiting anything contained in the foregoing, this file,
 * which is part of MySQL Connector/Node.js, is also subject to the
 * Universal FOSS Exception, version 1.0, a copy of which can be found at
 * http://oss.oracle.com/licenses/universal-foss-exception.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License, version 2.0, for more details.
 *
 * You should have received a copy of the GNU General Public License
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 */

'use strict';

/* eslint-env node, mocha */

const column = require('../../../lib/DevAPI/Column');
const expect = require('chai').expect;
const td = require('testdouble');

describe('Column', () => {
    after('reset fakes', () => {
        td.reset();
    });

    context('getCharacterSetName()', () => {
        it('returns the charset name', () => {
            const getCharset = td.function();
            td.when(getCharset()).thenReturn('foo');

            expect(column({ getCharset }).getCharacterSetName()).to.equal('foo');
        });
    });

    context('getCollationName()', () => {
        it('returns the collation name', () => {
            const getCollation = td.function();
            td.when(getCollation()).thenReturn('foo');

            expect(column({ getCollation }).getCollationName()).to.equal('foo');
        });
    });

    context('getColumnLabel()', () => {
        it('returns the column projected id or alias', () => {
            const getAlias = td.function();
            td.when(getAlias()).thenReturn('foo');

            expect(column({ getAlias }).getColumnLabel()).to.equal('foo');
        });
    });

    context('getColumnName()', () => {
        it('returns the column name', () => {
            const getName = td.function();
            td.when(getName()).thenReturn('foo');

            expect(column({ getName }).getColumnName()).to.equal('foo');
        });
    });

    context('getFractionalDigits()', () => {
        it('returns the number of fractional digits supported by the column type', () => {
            const getFractionalDigits = td.function();
            td.when(getFractionalDigits()).thenReturn('foo');

            expect(column({ getFractionalDigits }).getFractionalDigits()).to.equal('foo');
        });
    });

    context('getLength()', () => {
        it('returns the size of the column data type', () => {
            const getLength = td.function();
            td.when(getLength()).thenReturn('foo');

            expect(column({ getLength }).getLength()).to.equal('foo');
        });
    });

    context('getSchemaName()', () => {
        it('returns the name of the schema where the associated table belongs to', () => {
            const getSchema = td.function();
            td.when(getSchema()).thenReturn('foo');

            expect(column({ getSchema }).getSchemaName()).to.equal('foo');
        });
    });

    context('getTableLabel()', () => {
        it('returns the projected table id or alias', () => {
            const getTableAlias = td.function();
            td.when(getTableAlias()).thenReturn('foo');

            expect(column({ getTableAlias }).getTableLabel()).to.equal('foo');
        });
    });

    context('getTableName()', () => {
        it('returns the original table name', () => {
            const getTableName = td.function();
            td.when(getTableName()).thenReturn('foo');

            expect(column({ getTableName }).getTableName()).to.equal('foo');
        });
    });

    context('getType()', () => {
        it('returns the X DevAPI column type string', () => {
            const getTypeString = td.function();
            td.when(getTypeString()).thenReturn('foo');

            expect(column({ getTypeString }).getType()).to.equal('foo');
        });
    });

    context('isNumberSigned()', () => {
        it('checks if the column data type is signed a number', () => {
            const isSigned = td.function();
            td.when(isSigned()).thenReturn('foo');

            expect(column({ isSigned }).isNumberSigned()).to.equal('foo');
        });
    });

    context('isPadded()', () => {
        it('checks if the column data type enforces padding of its value', () => {
            const isFlagged = td.function();
            td.when(isFlagged()).thenReturn('foo');

            expect(column({ isFlagged }).isPadded()).to.equal('foo');
        });
    });
});