catalog.spec.js

/*
This is part of datacrate, a node.js library for working with 
DataCrates.  Copyright (C) 2018  University of Technology Sydney

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

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 for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

const chai = require('chai');
const chaiFiles = require('chai-files');
chai.use(chaiFiles);
const assert = chai.assert;
const expect = chai.expect;
const file = chaiFiles.file;

const fs = require('fs-extra');

const catalog = require('../lib/catalog.js');

const ORG = { 
	'id': 'https://www.uts.edu.au',
	'name': 'University of Technology Sydney'
};

const OWNER = 'Michael.Lynch@uts.edu.au';
const APPROVER = 'data.librarian@uts.edu.au';

const DATASET_ID = 'DATASET_ID';

// get catalog item by id: returns null if the item isn't unique, because
// this should always make the test fail

function get_id(c, id) {
	const match = c['@graph'].filter((item) => item['@id'] === id);
	if( match.length ) {
		if( match.length > 1 ) {
			console.error(`Warning: catalog has ${match.length} items with ID ${id}`);
			return null;
		} else {
			return match[0];
		}
	} else {
		return null;
	}
}

// this one returns an array of items with the requested type

function get_type(c, t) {
	return c['@graph'].filter((item) => item['@type'] === t);
}


var dp, cj;


describe("DataPub to DataCrate: core metadata", () => {

	before(async () => {
		dp = await fs.readJson('./test_data/datapub.json');
		cj = await catalog.datapub2catalog({
			'id': DATASET_ID,
			'datapub': dp,
			'organisation': ORG,
			'owner': OWNER,
			'approver': APPROVER
		});
	});


	it("has a dataset item with correct metadata in the catalog", () => {
		assert(cj, "Got an object");
		assert(cj['@graph'], "Catalog has a @graph");
		const dataset = get_id(cj, DATASET_ID);
		assert(dataset, "Graph has an item with id " + DATASET_ID);
		expect(dataset['name']).to.equal(dp['title']);
		expect(dataset['description']).to.equal(dp['description']);
		expect(dataset['publisher']['@id']).to.equal(ORG['id']);
	});

	it("has a create action with the owner", () => {
		const cas = get_type(cj, 'CreateAction');
		expect(cas).to.have.length(1);
		const ca = cas[0];
		expect(ca['agent']['@id']).to.equal(OWNER);
	});

	it("has an update action with the approver", () => {
		const uas = get_type(cj, 'UpdateAction');
		expect(uas).to.have.length(1);
		const ua = uas[0];
		expect(ua['agent']['@id']).to.equal(APPROVER);
	});

	it("has the payload files", () => {
		const files = get_type(cj, "File");
		const datalocs = dp['dataLocations'];
		expect(files).to.have.length(datalocs.length);
		const fids = files.map((f) => f['@id']).sort();
		const dlids = datalocs.map((dl) => dl['name']).sort();
		expect(fids).to.eql(dlids);
	});

	it("", () => {

	});


});