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added generateMissingIdsForBlankNodes tests
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‎test/knowledge-collection-tools.test.js‎

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@@ -1,4 +1,6 @@
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import { describe, it } from "mocha";
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import fs from 'fs';
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import N3 from 'n3';
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import { expect } from "chai";
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import {
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formatDataset,
@@ -531,4 +533,341 @@ describe("generateMissingIdsForBlankNodes", () => {
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)
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);
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});
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it("should replace an object blank node", () => {
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/*
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JSON-LD
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{
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"@context": {
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"relatedTo": "http://example.org/relatedTo"
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},
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"@id": "http://example.org/document/1",
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"relatedTo": {}
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}
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*/
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const nquadsArray = [
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"<http://example.org/document/1> <http://example.org/relatedTo> _:c14n0 .",
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];
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const updatedQuads = generateMissingIdsForBlankNodes(nquadsArray);
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const parser = new N3.Parser();
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const quads = parser.parse(updatedQuads.join('\n'));
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expect(quads[0]._subject.id).equals('http://example.org/document/1');
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expect(quads[0]._predicate.id).equals('http://example.org/relatedTo');
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const uuidRegex = /^uuid:[0-9a-fA-F\-]{36}$/;
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expect(quads[0]._object.id.match(uuidRegex));
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expect(quads[0]._graph.id).equals('');
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});
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it("should replace an occuring object blank node", () => {
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/*
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JSON-LD
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{
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"@context": {
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"is": {"@id": "http://example.org/is"}
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},
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"@graph": [
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{
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"@id": "http://example.org/subject1",
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"is": {"@id": "_:sharedBlank"}
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},
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{
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"@id": "http://example.org/subject2",
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"is": {"@id": "_:sharedBlank"}
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}
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]
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}
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*/
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const nquadsArray = [
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"<http://example.org/subject1> <http://example.org/is> _:c14n0 .",
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"<http://example.org/subject2> <http://example.org/is> _:c14n0 .",
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];
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const updatedQuads = generateMissingIdsForBlankNodes(nquadsArray);
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const parser = new N3.Parser();
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const quads = parser.parse(updatedQuads.join('\n'));
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expect(quads[0]._subject.id).equals('http://example.org/subject1');
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expect(quads[1]._subject.id).equals('http://example.org/subject2');
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expect(quads[0]._predicate.id).equals('http://example.org/is');
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expect(quads[1]._predicate.id).equals('http://example.org/is');
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const uuidRegex = /^uuid:[0-9a-fA-F\-]{36}$/;
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expect(quads[0]._object.id.match(uuidRegex));
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expect(quads[1]._object.id.match(uuidRegex));
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expect(quads[0]._graph.id).equals('');
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expect(quads[1]._graph.id).equals('');
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expect(quads[0]._object.id).equals(quads[1]._object.id);
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});
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it("should replace a subject blank node", () => {
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/*
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JSON-LD
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{
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"@context": {
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"ex": "http://example.org/"
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},
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"@graph": [
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{
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"ex:name": "John Doe"
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}
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]
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}
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*/
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const nquadsArray = [
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'_:c14n0 <http://example.org/name> "John Doe" .',
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];
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const updatedQuads = generateMissingIdsForBlankNodes(nquadsArray);
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const parser = new N3.Parser();
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const quads = parser.parse(updatedQuads.join('\n'));
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const uuidRegex = /^uuid:[0-9a-fA-F\-]{36}$/;
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expect(quads[0]._subject.id.match(uuidRegex));
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expect(quads[0]._predicate.id).equals('http://example.org/name');
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expect(quads[0]._object.id).equals('"John Doe"');
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expect(quads[0]._graph.id).equals('');
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});
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it("should replace an occuring subject blank node", () => {
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/*
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JSON-LD
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{
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"@context": {
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"ex": "http://example.org/"
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},
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"@graph": [
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{
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"ex:name": "John Doe",
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"ex:sex": "male"
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}
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]
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}
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*/
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const nquadsArray = [
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'_:c14n0 <http://example.org/name> "John Doe" .',
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'_:c14n0 <http://example.org/sex> "male" .',
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];
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const updatedQuads = generateMissingIdsForBlankNodes(nquadsArray);
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const parser = new N3.Parser();
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const quads = parser.parse(updatedQuads.join('\n'));
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const uuidRegex = /^uuid:[0-9a-fA-F\-]{36}$/;
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expect(quads[0]._subject.id.match(uuidRegex));
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expect(quads[1]._subject.id.match(uuidRegex));
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expect(quads[0]._predicate.id).equals('http://example.org/name');
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expect(quads[1]._predicate.id).equals('http://example.org/sex');
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expect(quads[0]._object.id).equals('"John Doe"');
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expect(quads[1]._object.id).equals('"male"');
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expect(quads[0]._graph.id).equals('');
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expect(quads[1]._graph.id).equals('');
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expect(quads[0]._subject.id).equals(quads[1]._subject.id);
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});
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it("should not replace two different subject blank node with the same UUID", () => {
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/*
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JSON-LD
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{
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"@context": {
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"ex": "http://example.org/"
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},
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"@graph": [
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{
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"ex:hasName": "Alice",
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"ex:sex": "male"
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},
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{
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"ex:hasName": "Bob",
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"ex:sex": "female"
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}
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]
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}
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*/
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const nquadsArray = [
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'_:c14n0 <http://example.org/sex> "male" .',
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'_:c14n0 <http://example.org/hasName> "Bob" .',
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'_:c14n1 <http://example.org/sex> "female" .',
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'_:c14n1 <http://example.org/hasName> "Alice" .',
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];
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const updatedQuads = generateMissingIdsForBlankNodes(nquadsArray);
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const parser = new N3.Parser();
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const quads = parser.parse(updatedQuads.join('\n'));
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const uuidRegex = /^uuid:[0-9a-fA-F\-]{36}$/;
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expect(quads[0]._subject.id.match(uuidRegex));
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expect(quads[1]._subject.id.match(uuidRegex));
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expect(quads[2]._subject.id.match(uuidRegex));
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expect(quads[3]._subject.id.match(uuidRegex));
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expect(quads[0]._predicate.id).equals('http://example.org/sex');
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expect(quads[1]._predicate.id).equals('http://example.org/hasName');
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expect(quads[2]._predicate.id).equals('http://example.org/sex');
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expect(quads[3]._predicate.id).equals('http://example.org/hasName');
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expect(quads[0]._object.id).equals('"male"');
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expect(quads[1]._object.id).equals('"Bob"');
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expect(quads[2]._object.id).equals('"female"');
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expect(quads[3]._object.id).equals('"Alice"');
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expect(quads[0]._graph.id).equals('');
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expect(quads[1]._graph.id).equals('');
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expect(quads[2]._graph.id).equals('');
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expect(quads[3]._graph.id).equals('');
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expect(quads[0]._subject.id).equals(quads[1]._subject.id);
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expect(quads[2]._subject.id).equals(quads[3]._subject.id);
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expect(quads[0]._subject.id).not.equals(quads[2]._subject.id);
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});
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it("should replace an object blank node, that occurs as a subject, with the same UUID", () => {
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/*
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JSON-LD
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{
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"@context": "http://schema.org",
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"review": {
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"reviewBody": "Excellent book!"
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}
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}
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*/
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const nquadsArray = [
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'_:c14n0 <http://schema.org/reviewBody> "Excellent book!" .',
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"_:c14n1 <http://schema.org/review> _:c14n0 .",
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];
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const updatedQuads = generateMissingIdsForBlankNodes(nquadsArray);
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const parser = new N3.Parser();
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const quads = parser.parse(updatedQuads.join('\n'));
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const uuidRegex = /^uuid:[0-9a-fA-F\-]{36}$/;
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expect(quads[0]._subject.id.match(uuidRegex));
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expect(quads[1]._subject.id.match(uuidRegex));
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expect(quads[0]._predicate.id).equals('http://schema.org/reviewBody');
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expect(quads[1]._predicate.id).equals('http://schema.org/review');
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expect(quads[0]._object.id).equals('"Excellent book!"');
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expect(quads[1]._object.id.match(uuidRegex));
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expect(quads[0]._graph.id).equals('');
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expect(quads[1]._graph.id).equals('');
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expect(quads[0]._subject.id).not.equals(quads[1]._subject.id);
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expect(quads[0]._subject.id).equals(quads[1]._object.id);
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});
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it("should fail since graphs aren't supported at this stage", () => {
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/*
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JSON-LD
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{
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"@context": {
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"@base": "https://example.org/",
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"name": "http://schema.org/name",
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"knows": {
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"@id": "http://schema.org/knows",
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"@type": "@id"
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},
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"Person": "http://schema.org/Person"
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},
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"@graph": [
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{
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"@type": "Person",
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"name": "Alice",
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"knows": [
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{
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"@id": "_:bob"
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},
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{
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"@id": "_:carol"
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}
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]
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},
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{
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"@id": "_:bob",
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"@graph": [
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{
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"@type": "Person",
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"name": "Bob"
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}
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]
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},
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{
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"@id": "_:carol",
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"@graph": [
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{
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"@type": "Person",
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"name": "Carol"
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}
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]
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}
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]
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}
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*/
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const nquadsArray = [
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'_:c14n2 <http://schema.org/name> "Carol" _:c14n0 .',
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'_:c14n2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Person> _:c14n0 .',
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'_:c14n3 <http://schema.org/knows> _:c14n0 .',
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'_:c14n3 <http://schema.org/knows> _:c14n1 .',
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'_:c14n3 <http://schema.org/name> "Alice" .',
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'_:c14n3 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Person> .',
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'_:c14n4 <http://schema.org/name> "Bob" _:c14n1 .',
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'_:c14n4 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Person> _:c14n1 .'
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];
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try {
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generateMissingIdsForBlankNodes(nquadsArray);
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} catch (error) {
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expect(error.message).equals(`
844+
------------------------------------------------------------------------------------------------
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Unsupported JSON-LD input detected
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After parsing the JSON-LD input, the parser detected creation of new named graphs.
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The DKG does not support custom named graphs.
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Problematic Quads:
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1. "Carol" <http://schema.org/name> "Carol" _:b31_c14n0 .
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2. <http://schema.org/Person> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Person> _:b31_c14n0 .
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3. "Bob" <http://schema.org/name> "Bob" _:b31_c14n1 .
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4. <http://schema.org/Person> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Person> _:b31_c14n1 .
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859+
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Full Parsed N-Quads Array:
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_:c14n2 <http://schema.org/name> "Carol" _:c14n0 .
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_:c14n2 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Person> _:c14n0 .
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_:c14n3 <http://schema.org/knows> _:c14n0 .
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_:c14n3 <http://schema.org/knows> _:c14n1 .
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_:c14n3 <http://schema.org/name> "Alice" .
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_:c14n3 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Person> .
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_:c14n4 <http://schema.org/name> "Bob" _:c14n1 .
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_:c14n4 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Person> _:c14n1 .
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Parsing failed due to presence of unnamed (blank node) graphs. Please ensure all graphs in the input JSON-LD have proper named IRIs.
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`);
871+
}
872+
});
534873
});

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