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

Lines changed: 192 additions & 9 deletions
Original file line numberDiff line numberDiff line change
@@ -122,19 +122,202 @@ describe("calculateMerkleProof", () => {
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});
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describe("groupNquadsBySubject", () => {
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it("should group quads by a single subject", () => {
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it("should group quads where the object is a resource", () => {
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/* JSON-LD
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{
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"@context": "http://schema.org",
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"@id": "http://example.org/book1",
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"type": "Book",
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"author": {
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"@id": "http://example.org/author1"
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}
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}
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*/
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const quads = [
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"<http://example.org/s1> <http://example.org/p> <http://example.org/o> .",
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'<http://example.org/s1> <http://example.org/p> "Literal" .',
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"<http://example.org/book1> <http://schema.org/author> <http://example.org/author1> .",
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"<http://example.org/book1> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Book> .",
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];
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const grouped = groupNquadsBySubject(quads);
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expect(grouped).to.have.lengthOf(1);
132-
expect(grouped[0]).to.deep.include(
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"<http://example.org/s1> <http://example.org/p> <http://example.org/o> ."
134-
);
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expect(grouped[0]).to.deep.include(
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'<http://example.org/s1> <http://example.org/p> "Literal" .'
137-
);
143+
expect(grouped[0]).to.deep.include(quads[0]);
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expect(grouped[0]).to.deep.include(quads[1]);
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});
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it("should group quads where the object is a literal", () => {
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/* JSON-LD
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{
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"@context": "http://schema.org",
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"@id": "http://example.org/book1",
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"type": "Book",
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"title": "The Great Book"
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}
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*/
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const quads = [
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'<http://example.org/book1> <http://schema.org/title> "The Great Book" .',
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'<http://example.org/book1> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Book> .',
159+
];
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const grouped = groupNquadsBySubject(quads);
162+
expect(grouped).to.have.lengthOf(1);
163+
expect(grouped[0]).to.deep.include(quads[0]);
164+
expect(grouped[0]).to.deep.include(quads[1]);
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});
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it("should group quads where the object is a literal containing an escape character", () => {
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/* JSON-LD
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{
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"@context": "http://schema.org",
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"@id": "http://example.org/book1",
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"type": "Book",
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"title": "The Great Book \n"
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}
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*/
176+
const quads = [
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// \n is represented as \\n in code
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'<http://example.org/book1> <http://schema.org/title> "The Great Book \\n" .',
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'<http://example.org/book1> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Book> .',
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];
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182+
const grouped = groupNquadsBySubject(quads);
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expect(grouped).to.have.lengthOf(1);
184+
expect(grouped[0]).to.deep.include(quads[0]);
185+
expect(grouped[0]).to.deep.include(quads[1]);
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});
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it("should group quads where the object is a typed literal", () => {
189+
/* JSON-LD
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{
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"@context": "http://schema.org",
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"@id": "http://example.org/book1",
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"type": "Book",
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"publicationDate": {
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"@value": "2025-05-28",
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"@type": "http://www.w3.org/2001/XMLSchema#date"
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}
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}
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*/
200+
const quads = [
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'<http://example.org/book1> <http://schema.org/publicationDate> "2025-05-28"^^<http://www.w3.org/2001/XMLSchema#date> .',
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'<http://example.org/book1> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Book> .',
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];
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const grouped = groupNquadsBySubject(quads);
206+
expect(grouped).to.have.lengthOf(1);
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expect(grouped[0]).to.deep.include(quads[0]);
208+
expect(grouped[0]).to.deep.include(quads[1]);
209+
});
210+
211+
it("should group quads where the object is a typed literal that includes an escape character", () => {
212+
/* JSON-LD
213+
{
214+
"@context": "http://schema.org",
215+
"@id": "http://example.org/book1",
216+
"type": "Book",
217+
"publicationDate": {
218+
"@value": "2025-05-28 \n",
219+
"@type": "http://www.w3.org/2001/XMLSchema#date"
220+
}
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}
222+
*/
223+
const quads = [
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// \n is represented as \\n in code
225+
'<http://example.org/book1> <http://schema.org/publicationDate> "2025-05-28 \\n"^^<http://www.w3.org/2001/XMLSchema#date> .',
226+
'<http://example.org/book1> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Book> .',
227+
];
228+
229+
const grouped = groupNquadsBySubject(quads);
230+
expect(grouped).to.have.lengthOf(1);
231+
expect(grouped[0]).to.deep.include(quads[0]);
232+
expect(grouped[0]).to.deep.include(quads[1]);
233+
});
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235+
it("should group quads where the object is a literal with language defined", () => {
236+
/* JSON-LD
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{
238+
"@context": "http://schema.org",
239+
"@id": "http://example.org/book1",
240+
"type": "Book",
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"description": [
242+
{
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"@value": "A thrilling adventure novel.",
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"@language": "en"
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},
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{
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"@value": "Napeta pustolovska novela.",
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"@language": "sl"
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}
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]
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}
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*/
253+
const quads = [
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'<http://example.org/book1> <http://schema.org/description> "A thrilling adventure novel."@en .',
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'<http://example.org/book1> <http://schema.org/description> "Napeta pustolovska novela."@sl .',
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'<http://example.org/book1> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Book> .',
257+
];
258+
259+
const grouped = groupNquadsBySubject(quads);
260+
expect(grouped).to.have.lengthOf(1);
261+
expect(grouped[0]).to.deep.include(quads[0]);
262+
expect(grouped[0]).to.deep.include(quads[1]);
263+
expect(grouped[0]).to.deep.include(quads[2]);
264+
});
265+
266+
it("should group quads where the object is a literal with language defined, containing an escape character", () => {
267+
/* JSON-LD
268+
{
269+
"@context": "http://schema.org",
270+
"@id": "http://example.org/book1",
271+
"type": "Book",
272+
"description": [
273+
{
274+
"@value": "A thrilling adventure novel. \n",
275+
"@language": "en"
276+
},
277+
{
278+
"@value": "Napeta pustolovska novela. \n",
279+
"@language": "sl"
280+
}
281+
]
282+
}
283+
*/
284+
const quads = [
285+
// \n is represented as \\n in code
286+
'<http://example.org/book1> <http://schema.org/description> "A thrilling adventure novel. \\n"@en .',
287+
'<http://example.org/book1> <http://schema.org/description> "Napeta pustolovska novela. \\n"@sl .',
288+
'<http://example.org/book1> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://schema.org/Book> .',
289+
];
290+
291+
const grouped = groupNquadsBySubject(quads);
292+
expect(grouped).to.have.lengthOf(1);
293+
expect(grouped[0]).to.deep.include(quads[0]);
294+
expect(grouped[0]).to.deep.include(quads[1]);
295+
expect(grouped[0]).to.deep.include(quads[2]);
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});
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298+
it("should group quads where the object is a literal with language defined, while subject is a blank node", () => {
299+
/* JSON-LD
300+
{
301+
"@context": {
302+
"predicate": "http://example.org/predicate"
303+
},
304+
"@graph": [
305+
{
306+
"predicate": {
307+
"@value": "something",
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"@language": "en"
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}
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}
311+
]
312+
}
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*/
314+
const quads = [
315+
'<SOME-UUID> <http://example.org/predicate> "something"@en .',
316+
];
317+
318+
const grouped = groupNquadsBySubject(quads);
319+
expect(grouped).to.have.lengthOf(1);
320+
expect(grouped[0]).to.deep.include(quads[0]);
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});
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it("should group quads by multiple subjects", () => {

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