refactor: Restructure source code folder

This way the location of certain classes should make more sense

test/unit/http/auxiliary/RdfValidator.test.ts

@@ -0,0 +1,44 @@
+import { RdfValidator } from '../../../../src/http/auxiliary/RdfValidator';
+import { BasicRepresentation } from '../../../../src/http/representation/BasicRepresentation';
+import type { RepresentationConverter } from '../../../../src/storage/conversion/RepresentationConverter';
+import { readableToString } from '../../../../src/util/StreamUtil';
+import { StaticAsyncHandler } from '../../../util/StaticAsyncHandler';
+import 'jest-rdf';
+
+describe('An RdfValidator', (): void => {
+  let converter: RepresentationConverter;
+  let validator: RdfValidator;
+
+  beforeEach(async(): Promise<void> => {
+    converter = new StaticAsyncHandler<any>(true, null);
+    validator = new RdfValidator(converter);
+  });
+
+  it('can handle all representations.', async(): Promise<void> => {
+    await expect(validator.canHandle(null as any)).resolves.toBeUndefined();
+  });
+
+  it('always accepts content-type internal/quads.', async(): Promise<void> => {
+    const representation = new BasicRepresentation('data', 'internal/quads');
+    await expect(validator.handle(representation)).resolves.toBeUndefined();
+  });
+
+  it('validates data by running it through a converter.', async(): Promise<void> => {
+    converter.handleSafe = jest.fn().mockResolvedValue(new BasicRepresentation('transformedData', 'wrongType'));
+    const representation = new BasicRepresentation('data', 'content-type');
+    const quads = representation.metadata.quads();
+    await expect(validator.handle(representation)).resolves.toBeUndefined();
+    // Make sure the data can still be streamed
+    await expect(readableToString(representation.data)).resolves.toBe('data');
+    // Make sure the metadata was not changed
+    expect(quads).toBeRdfIsomorphic(representation.metadata.quads());
+  });
+
+  it('throws an error when validating invalid data.', async(): Promise<void> => {
+    converter.handleSafe = jest.fn().mockRejectedValue(new Error('bad data!'));
+    const representation = new BasicRepresentation('data', 'content-type');
+    await expect(validator.handle(representation)).rejects.toThrow('bad data!');
+    // Make sure the data on the readable has not been reset
+    expect(representation.data.destroyed).toBe(true);
+  });
+});