feat: Convert data from ResourceStore based on preferences

test/unit/util/Util.test.ts

@@ -0,0 +1,34 @@
+import streamifyArray from 'streamify-array';
+import { ensureTrailingSlash, matchingMediaType, readableToString } from '../../../src/util/Util';
+
+describe('Util function', (): void => {
+  describe('ensureTrailingSlash', (): void => {
+    it('makes sure there is always exactly 1 slash.', async(): Promise<void> => {
+      expect(ensureTrailingSlash('http://test.com')).toEqual('http://test.com/');
+      expect(ensureTrailingSlash('http://test.com/')).toEqual('http://test.com/');
+      expect(ensureTrailingSlash('http://test.com//')).toEqual('http://test.com/');
+      expect(ensureTrailingSlash('http://test.com///')).toEqual('http://test.com/');
+    });
+  });
+
+  describe('readableToString', (): void => {
+    it('concatenates all elements of a Readable.', async(): Promise<void> => {
+      const stream = streamifyArray([ 'a', 'b', 'c' ]);
+      await expect(readableToString(stream)).resolves.toEqual('abc');
+    });
+  });
+
+  describe('matchingMediaType', (): void => {
+    it('matches all possible media types.', async(): Promise<void> => {
+      expect(matchingMediaType('*/*', 'text/turtle')).toBeTruthy();
+      expect(matchingMediaType('text/*', '*/*')).toBeTruthy();
+      expect(matchingMediaType('text/*', 'text/turtle')).toBeTruthy();
+      expect(matchingMediaType('text/plain', 'text/*')).toBeTruthy();
+      expect(matchingMediaType('text/turtle', 'text/turtle')).toBeTruthy();
+
+      expect(matchingMediaType('text/*', 'application/*')).toBeFalsy();
+      expect(matchingMediaType('text/plain', 'application/*')).toBeFalsy();
+      expect(matchingMediaType('text/plain', 'text/turtle')).toBeFalsy();
+    });
+  });
+});