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comparison src/tabulate.test.ts @ 88:ac7ad087d474

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graph view rewrites and fixes for the multi-subject table
author drewp@bigasterisk.com
date Tue, 30 Nov 2021 00:14:37 -0800
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87:910e2037d72d 88:ac7ad087d474
1 import { groupByRdfType } from "./tabulate";
2 import {
3 Literal,
4 DataFactory,
5 Store,
6 Prefixes,
7 Parser,
8 Quad,
9 NamedNode,
10 } from "n3";
11 import Immutable from "immutable";
12 const { namedNode } = DataFactory;
13
14 describe("equality", () => {
15 test("investigation of https://github.com/rdfjs/N3.js/issues/265", () => {
16 const x = namedNode("x");
17 const x2 = namedNode("x");
18 // (NamedNode.prototype as any).hashCode = () => 0;
19 // expect((x as any).hashCode()).toEqual((x2 as any).hashCode())
20 expect(x === x2).toBeFalsy();
21 expect(x == x2).toBeFalsy();
22 expect(x.equals(x2)).toBeTruthy();
23 let imap = Immutable.Map();
24 imap = imap.set(x, 11);
25 imap = imap.set(x, 22);
26 imap = imap.set(x2, 33);
27 expect(imap.has(x)).toBeTruthy();
28 expect(imap.has(x2)).toBeTruthy();
29 expect(imap.size).toEqual(1);
30 });
31 });
32
33 describe("groupByRdfType", () => {
34 test("finds multiple graphs", () => {});
35 test("works", async () => {
36 const store = new Store();
37
38 const parser = new Parser();
39 await new Promise((res, rej) => {
40 parser.parse(
41 `PREFIX : <urn:>
42 :rs1 a :Foo; :pred1 "obj1" .
43 :rs2 a :Foo; :pred1 "obj2" .
44 :rs3 a :Bar .
45 :rs4 :pred1 "obj4" .
46 `,
47 (error, quad: Quad, prefixes: Prefixes) => {
48 if (quad) {
49 store.addQuad(quad);
50 } else {
51 res(undefined);
52 }
53 }
54 );
55 });
56 const grouped = groupByRdfType(store);
57 expect(Array.from(grouped.byType.keys())).toHaveLength(2);
58 expect(grouped.byType.get(namedNode("urn:Foo"))).toEqual(
59 Immutable.Set([namedNode("urn:rs1"), namedNode("urn:rs2")])
60 );
61 expect(grouped.byType.get(namedNode("urn:Bar"))).toEqual(
62 Immutable.Set([namedNode("urn:rs3")])
63 );
64 expect(grouped.untypedSubjs).toEqual([namedNode("urn:rs4")]);
65 });
66 });