feat: Integrate ChainedConverter into the server

test/integration/RepresentationConverter.test.ts

@@ -0,0 +1,51 @@
+import streamifyArray from 'streamify-array';
+import { Representation } from '../../src/ldp/representation/Representation';
+import { ChainedConverter } from '../../src/storage/conversion/ChainedConverter';
+import { QuadToRdfConverter } from '../../src/storage/conversion/QuadToRdfConverter';
+import { RdfToQuadConverter } from '../../src/storage/conversion/RdfToQuadConverter';
+import { DATA_TYPE_BINARY } from '../../src/util/ContentTypes';
+import { readableToString } from '../../src/util/Util';
+
+describe('A ChainedConverter', (): void => {
+  const converters = [
+    new RdfToQuadConverter(),
+    new QuadToRdfConverter(),
+  ];
+  const converter = new ChainedConverter(converters);
+
+  it('can convert from JSON-LD to turtle.', async(): Promise<void> => {
+    const representation: Representation = {
+      dataType: DATA_TYPE_BINARY,
+      data: streamifyArray([ '{"@id": "http://test.com/s", "http://test.com/p": { "@id": "http://test.com/o" }}' ]),
+      metadata: { raw: [], contentType: 'application/ld+json' },
+    };
+
+    const result = await converter.handleSafe({
+      representation,
+      preferences: { type: [{ value: 'text/turtle', weight: 1 }]},
+      identifier: { path: 'path' },
+    });
+
+    await expect(readableToString(result.data)).resolves.toEqual('<http://test.com/s> <http://test.com/p> <http://test.com/o>.\n');
+    expect(result.metadata.contentType).toEqual('text/turtle');
+  });
+
+  it('can convert from turtle to JSON-LD.', async(): Promise<void> => {
+    const representation: Representation = {
+      dataType: DATA_TYPE_BINARY,
+      data: streamifyArray([ '<http://test.com/s> <http://test.com/p> <http://test.com/o>.' ]),
+      metadata: { raw: [], contentType: 'text/turtle' },
+    };
+
+    const result = await converter.handleSafe({
+      representation,
+      preferences: { type: [{ value: 'application/ld+json', weight: 1 }]},
+      identifier: { path: 'path' },
+    });
+
+    expect(JSON.parse(await readableToString(result.data))).toEqual(
+      [{ '@id': 'http://test.com/s', 'http://test.com/p': [{ '@id': 'http://test.com/o' }]}],
+    );
+    expect(result.metadata.contentType).toEqual('application/ld+json');
+  });
+});