feat: Create conditions based on input headers

test/integration/RequestParser.test.ts

@@ -2,19 +2,24 @@ import { Readable } from 'stream';
 import arrayifyStream from 'arrayify-stream';
 import { AcceptPreferenceParser } from '../../src/ldp/http/AcceptPreferenceParser';
 import { BasicRequestParser } from '../../src/ldp/http/BasicRequestParser';
+import { BasicConditionsParser } from '../../src/ldp/http/conditions/BasicConditionsParser';
 import { ContentTypeParser } from '../../src/ldp/http/metadata/ContentTypeParser';
 import { OriginalUrlExtractor } from '../../src/ldp/http/OriginalUrlExtractor';
 import { RawBodyParser } from '../../src/ldp/http/RawBodyParser';
 import { RepresentationMetadata } from '../../src/ldp/representation/RepresentationMetadata';
 import type { HttpRequest } from '../../src/server/HttpRequest';
+import { BasicConditions } from '../../src/storage/BasicConditions';
 import { guardedStreamFrom } from '../../src/util/StreamUtil';
 
 describe('A BasicRequestParser with simple input parsers', (): void => {
   const targetExtractor = new OriginalUrlExtractor();
   const preferenceParser = new AcceptPreferenceParser();
   const metadataParser = new ContentTypeParser();
+  const conditionsParser = new BasicConditionsParser();
   const bodyParser = new RawBodyParser();
-  const requestParser = new BasicRequestParser({ targetExtractor, preferenceParser, metadataParser, bodyParser });
+  const requestParser = new BasicRequestParser(
+    { targetExtractor, preferenceParser, metadataParser, conditionsParser, bodyParser },
+  );
 
   it('can parse an incoming request.', async(): Promise<void> => {
     const request = guardedStreamFrom([ '<http://test.com/s> <http://test.com/p> <http://test.com/o>.' ]) as HttpRequest;
@@ -24,6 +29,8 @@ describe('A BasicRequestParser with simple input parsers', (): void => {
       accept: 'text/turtle; q=0.8',
       'accept-language': 'en-gb, en;q=0.5',
       'content-type': 'text/turtle',
+      'if-unmodified-since': 'Wed, 21 Oct 2015 07:28:00 UTC',
+      'if-none-match': '12345',
       'transfer-encoding': 'chunked',
       host: 'test.com',
     };
@@ -36,6 +43,10 @@ describe('A BasicRequestParser with simple input parsers', (): void => {
         type: { 'text/turtle': 0.8 },
         language: { 'en-gb': 1, en: 0.5 },
       },
+      conditions: new BasicConditions({
+        unmodifiedSince: new Date('2015-10-21T07:28:00.000Z'),
+        notMatchesETag: [ '12345' ],
+      }),
       body: {
         data: expect.any(Readable),
         binary: true,