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ldo-compact-fork/packages/solid/test/SolidLdoDataset.test.ts

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import type { App } from "@solid/community-server";
import type { ContainerUri, LeafUri, SolidLdoDataset } from "../src";
import { createSolidLdoDataset } from "../src";
import {
ROOT_CONTAINER,
createApp,
getAuthenticatedFetch,
} from "./solidServer.helper";
import { namedNode } from "@rdfjs/data-model";
const TEST_CONTAINER_SLUG = "test_ldo/";
const TEST_CONTAINER_URI =
`${ROOT_CONTAINER}${TEST_CONTAINER_SLUG}` as ContainerUri;
const SAMPLE_DATA_URI = `${TEST_CONTAINER_URI}sample.ttl` as LeafUri;
const SAMPLE2_DATA_URI = `${TEST_CONTAINER_URI}sample2.ttl` as LeafUri;
const SAMPLE_BINARY_URI = `${TEST_CONTAINER_URI}sample.txt` as LeafUri;
const SAMPLE2_BINARY_URI = `${TEST_CONTAINER_URI}sample2.txt` as LeafUri;
const SPIDER_MAN_TTL = `@base <http://example.org/> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
@prefix rel: <http://www.perceive.net/schemas/relationship/> .
<#green-goblin>
rel:enemyOf <#spiderman> ;
a foaf:Person ; # in the context of the Marvel universe
foaf:name "Green Goblin" .
<#spiderman>
rel:enemyOf <#green-goblin> ;
a foaf:Person ;
foaf:name "Spiderman", "Человек-паук"@ru .`;
describe("SolidLdoDataset", () => {
let app: App;
let authFetch: typeof fetch;
let fetchMock: jest.Mock<
Promise<Response>,
[input: RequestInfo | URL, init?: RequestInit | undefined]
>;
let solidLdoDataset: SolidLdoDataset;
beforeAll(async () => {
// Start up the server
app = await createApp();
await app.start();
authFetch = await getAuthenticatedFetch();
await authFetch(ROOT_CONTAINER, {
method: "POST",
headers: {
link: '<http://www.w3.org/ns/ldp#Container>; rel="type"',
slug: TEST_CONTAINER_SLUG,
},
});
});
afterAll(async () => {
app.stop();
});
beforeEach(async () => {
fetchMock = jest.fn(authFetch);
solidLdoDataset = createSolidLdoDataset({ fetch: fetchMock });
// Create a new document called sample.ttl
await Promise.all([
authFetch(TEST_CONTAINER_URI, {
method: "POST",
headers: { "content-type": "text/turtle", slug: "sample.ttl" },
body: SPIDER_MAN_TTL,
}),
authFetch(TEST_CONTAINER_URI, {
method: "POST",
headers: { "content-type": "text/plain", slug: "sample.txt" },
body: "some text.",
}),
]);
});
afterEach(async () => {
await Promise.all([
authFetch(SAMPLE_DATA_URI, {
method: "DELETE",
}),
authFetch(SAMPLE2_DATA_URI, {
method: "DELETE",
}),
authFetch(SAMPLE_BINARY_URI, {
method: "DELETE",
}),
authFetch(SAMPLE2_BINARY_URI, {
method: "DELETE",
}),
]);
});
describe("read", () => {
it("Reads a data leaf", async () => {
const resource = solidLdoDataset.getResource(SAMPLE_DATA_URI);
const result = await resource.read();
expect(result.type).toBe("dataReadSuccess");
expect(
solidLdoDataset.match(
namedNode("http://example.org/#spiderman"),
namedNode("http://www.perceive.net/schemas/relationship/enemyOf"),
namedNode("http://example.org/#green-goblin"),
).size,
).toBe(1);
});
it("Reads a container", async () => {
const resource = solidLdoDataset.getResource(TEST_CONTAINER_URI);
const result = await resource.read();
expect(result.type).toBe("containerReadSuccess");
expect(resource.children().length).toBe(2);
});
it("Reads a binary leaf", async () => {
const resource = solidLdoDataset.getResource(SAMPLE_BINARY_URI);
const result = await resource.read();
expect(result.type).toBe("binaryReadSuccess");
expect(resource.isBinary()).toBe(true);
expect(await resource.getBlob()?.text()).toBe("some text.");
});
it("Returns an absent result if the document doesn't exist", async () => {
const resource = solidLdoDataset.getResource(SAMPLE2_DATA_URI);
const result = await resource.read();
expect(result.type).toBe("absentReadSuccess");
if (result.type !== "absentReadSuccess") return;
expect(result.resource.isAbsent()).toBe(true);
});
it("Returns an ServerError when an 500 error is returned", async () => {
fetchMock.mockResolvedValueOnce(new Response("Error", { status: 500 }));
const resource = solidLdoDataset.getResource(SAMPLE2_DATA_URI);
const result = await resource.read();
expect(result.isError).toBe(true);
expect(result.type).toBe("serverError");
});
it("Returns an UnauthenticatedError on an 401 error is returned", async () => {
fetchMock.mockResolvedValueOnce(new Response("Error", { status: 401 }));
const resource = solidLdoDataset.getResource(SAMPLE2_DATA_URI);
const result = await resource.read();
expect(result.isError).toBe(true);
expect(result.type).toBe("unauthenticatedError");
});
it("Returns an UnexpectedHttpError on a strange number error is returned", async () => {
fetchMock.mockResolvedValueOnce(new Response("Error", { status: 3942 }));
const resource = solidLdoDataset.getResource(SAMPLE2_DATA_URI);
const result = await resource.read();
expect(result.isError).toBe(true);
expect(result.type).toBe("unexpectedHttpError");
});
it("Returns a NoncompliantPod error when no content type is returned", async () => {
fetchMock.mockResolvedValueOnce(
new Response(undefined, { status: 200, headers: {} }),
);
const resource = solidLdoDataset.getResource(SAMPLE2_DATA_URI);
const result = await resource.read();
expect(result.isError).toBe(true);
if (!result.isError) return;
expect(result.type).toBe("noncompliantPodError");
expect(result.message).toBe(
"Response from https://solidweb.me/jackson3/test_ldo/sample2.ttl is not compliant with the Solid Specification: Resource requests must return a content-type header.",
);
});
it("Returns a NoncompliantPod error if invalid turtle is provided", async () => {
fetchMock.mockResolvedValueOnce(
new Response("Error", {
status: 200,
headers: new Headers({ "content-type": "text/turtle" }),
}),
);
const resource = solidLdoDataset.getResource(SAMPLE2_DATA_URI);
const result = await resource.read();
expect(result.isError).toBe(true);
if (!result.isError) return;
expect(result.type).toBe("noncompliantPodError");
expect(result.message).toBe(
'Response from https://solidweb.me/jackson3/test_ldo/sample2.ttl is not compliant with the Solid Specification: Request returned noncompliant turtle: Unexpected "Error" on line 1.',
);
});
it("Returns an UnexpectedResourceError if an unknown error is triggered", async () => {
fetchMock.mockRejectedValueOnce(new Error("Something happened."));
const resource = solidLdoDataset.getResource(SAMPLE2_DATA_URI);
const result = await resource.read();
expect(result.isError).toBe(true);
if (!result.isError) return;
expect(result.type).toBe("unexpectedResourceError");
expect(result.message).toBe("Something happened.");
});
it("Returns an error if there is no link header for a container request", async () => {
fetchMock.mockResolvedValueOnce(
new Response(SPIDER_MAN_TTL, {
status: 200,
headers: new Headers({ "content-type": "text/turtle" }),
}),
);
const resource = solidLdoDataset.getResource(TEST_CONTAINER_URI);
const result = await resource.read();
expect(result.isError).toBe(true);
if (!result.isError) return;
expect(result.type).toBe("noncompliantPodError");
expect(result.message).toBe(
"Response from https://solidweb.me/jackson3/test_ldo/ is not compliant with the Solid Specification: No link header present in request.",
);
});
});
});