Added unit tests

Author: HaaLeo

src/test/fixtures/readme/readme.github.expected.md

@@ -0,0 +1,14 @@
+# Replace
+
+[#8](https://github.com/username/repository/issues/8)
+
+* Some issue in same repository: [#7](https://github.com/username/repository/issues/7)
+* Some issue in other repository: [other/repositoryName#8](https://github.com/other/repositoryName/issues/8)
+* Some issue in other repository with fancy name: [my_user-name/my-rep_o12#6](https://github.com/my_user-name/my-rep_o12/issues/6)
+
+# Do not touch this:
+ * username#4 (no valid github link)
+ * /#7
+ * foo/$234/#7
+ * [#7](http://shouldnottouchthis/)
+ * [other/repositoryName#8](http://shouldnottouchthis/)

src/test/fixtures/readme/readme.github.md

@@ -0,0 +1,14 @@
+# Replace
+
+#8
+
+* Some issue in same repository: #7
+* Some issue in other repository: other/repositoryName#8
+* Some issue in other repository with fancy name: my_user-name/my-rep_o12#6
+
+# Do not touch this:
+ * username#4 (no valid github link)
+ * /#7
+ * foo/$234/#7
+ * [#7](http://shouldnottouchthis/)
+ * [other/repositoryName#8](http://shouldnottouchthis/)

src/test/package.test.ts

@@ -1500,6 +1500,60 @@ describe('MarkdownProcessor', () => {
 			});
 	});
 
+	it('should replace issue links with urls if its a github repo.', () => {
+		const manifest = {
+			name: 'test',
+			publisher: 'mocha',
+			version: '0.0.1',
+			description: 'test extension',
+			engines: Object.create(null),
+			repository: 'https://github.com/username/repository.git'
+		};
+
+		const root = fixture('readme');
+		const processor = new ReadmeProcessor(manifest, {});
+		const readme = {
+			path: 'extension/readme.md',
+			localPath: path.join(root, 'readme.github.md')
+		};
+
+		return processor.onFile(readme)
+			.then(file => read(file))
+			.then(actual => {
+				return readFile(path.join(root, 'readme.github.expected.md'), 'utf8')
+					.then(expected => {
+						assert.equal(actual, expected);
+					});
+			});
+	});
+
+	it('should not replace issue links with urls if its not a github repo.', () => {
+		const manifest = {
+			name: 'test',
+			publisher: 'mocha',
+			version: '0.0.1',
+			description: 'test extension',
+			engines: Object.create(null),
+			repository: 'https://some-other-provider.com/username/repository.git'
+		};
+
+		const root = fixture('readme');
+		const processor = new ReadmeProcessor(manifest, {});
+		const readme = {
+			path: 'extension/readme.md',
+			localPath: path.join(root, 'readme.github.md')
+		};
+
+		return processor.onFile(readme)
+			.then(file => read(file))
+			.then(actual => {
+				return readFile(path.join(root, 'readme.github.md'), 'utf8')
+					.then(expected => {
+						assert.equal(actual, expected);
+					});
+			});
+	});
+
 	it('should prevent non-HTTPS images', async () => {
 		const manifest = { name: 'test', publisher: 'mocha', version: '0.0.1', engines: Object.create(null), repository: 'https://github.com/username/repository' };
 		const contents = `![title](http://foo.png)`;