74 lines
2.0 KiB
JavaScript
74 lines
2.0 KiB
JavaScript
/* xlsx.js (C) 2013-present SheetJS -- http://sheetjs.com */
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/* eslint-env node */
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/* global Promise */
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const XLSX = require('xlsx');
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const assert = require('assert');
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const SheetJSKnex = require("./SheetJSKnex");
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const Knex = require('knex');
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/* Connection to both databases are passed around */
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let P = Promise.resolve([
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Knex({ client: 'sqlite3', connection: { filename: './knex1.db' } }),
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Knex({ client: 'sqlite3', connection: { filename: './knex2.db' } })
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]);
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/* Sample data table */
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P = P.then(async (_) => {
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const [knex] = _;
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await knex.schema.dropTableIfExists('pres');
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await knex.schema.createTable('pres', (table) => {
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table.string('name');
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table.integer('idx');
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});
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await knex.insert([
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{ name: "Barack Obama", idx: 44 },
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{ name: "Donald Trump", idx: 45 }
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]).into('pres');
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await knex.schema.dropTableIfExists('fmts');
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await knex.schema.createTable('fmts', (table) => {
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table.string('ext');
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table.string('ctr');
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table.integer('multi');
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});
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await knex.insert([
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{ ext: 'XLSB', ctr: 'ZIP', multi: 1 },
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{ ext: 'XLS', ctr: 'CFB', multi: 1 },
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{ ext: 'XLML', ctr: '', multi: 1 },
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{ ext: 'CSV', ctr: 'ZIP', multi: 0 },
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]).into('fmts');
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return _;
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});
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/* Export database to XLSX */
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P = P.then(async (_) => {
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const [knex] = _;
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const wb = XLSX.utils.book_new();
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await SheetJSKnex.book_append_knex(wb, knex, "pres");
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await SheetJSKnex.book_append_knex(wb, knex, "fmts");
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XLSX.writeFile(wb, "knex.xlsx");
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return _;
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});
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/* Import XLSX to database */
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P = P.then(async (_) => {
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const [, knex] = _;
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const wb = XLSX.readFile("knex.xlsx");
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await SheetJSKnex.wb_to_knex(wb, knex);
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return _;
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});
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/* Compare databases */
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P = P.then(async (_) => {
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const [k1, k2] = _;
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const P1 = await k1.select("*").from('pres');
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const P2 = await k2.select("*").from('pres');
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const F1 = await k1.select("*").from('fmts');
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const F2 = await k2.select("*").from('fmts');
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assert.deepEqual(P1, P2);
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assert.deepEqual(F1, F2);
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});
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P.then(async () => { process.exit(); });
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