1 files changed, 38 insertions, 0 deletions
diff --git a/spec/frontend/vue_shared/components/source_viewer/plugins/utils/composer_json_linker_spec.js b/spec/frontend/vue_shared/components/source_viewer/plugins/utils/composer_json_linker_spec.js
new file mode 100644
index 00000000000..3ecb16ddcd0
--- /dev/null
+++ b/spec/frontend/vue_shared/components/source_viewer/plugins/utils/composer_json_linker_spec.js
@@ -0,0 +1,38 @@
+import composerJsonLinker from '~/vue_shared/components/source_viewer/plugins/utils/composer_json_linker';
+import { COMPOSER_JSON_EXAMPLES } from '../mock_data';
+
+describe('Highlight.js plugin for linking composer.json dependencies', () => {
+  it('mutates the input value by wrapping dependency names and versions in anchors', () => {
+    const inputValue =
+      '<span class="hljs-attr">&quot;drupal/erp_common"&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-string">&quot;dev-master&quot;</span>';
+    const outputValue =
+      '<span class="hljs-attr">&quot;drupal/erp_common"&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-string">&quot;dev-master&quot;</span>';
+    const hljsResultMock = { value: inputValue };
+
+    const output = composerJsonLinker(hljsResultMock, COMPOSER_JSON_EXAMPLES.withoutLink);
+    expect(output).toBe(outputValue);
+  });
+});
+
+const getInputValue = (dependencyString, version) =>
+  `<span class="hljs-attr">&quot;${dependencyString}&quot;</span><span class="hljs-punctuation">:</span> <span class="hljs-string">&quot;${version}&quot;</span>`;
+const getOutputValue = (dependencyString, version, expectedHref) =>
+  `<span class="hljs-attr">&quot;<a href="${expectedHref}" target="_blank" rel="nofollow noreferrer noopener">${dependencyString}</a>&quot;</span>: <span class="hljs-attr">&quot;<a href="${expectedHref}" target="_blank" rel="nofollow noreferrer noopener">${version}</a>&quot;</span>`;
+
+describe('Highlight.js plugin for linking Godeps.json dependencies', () => {
+  it.each`
+    type           | dependency               | version      | expectedHref
+    ${'packagist'} | ${'composer/installers'} | ${'^1.2'}    | ${'https://packagist.org/packages/composer/installers'}
+    ${'drupal'}    | ${'drupal/bootstrap'}    | ${'3.x-dev'} | ${'https://www.drupal.org/project/bootstrap'}
+  `(
+    'mutates the input value by wrapping dependency names in anchors and altering path when needed',
+    ({ type, dependency, version, expectedHref }) => {
+      const inputValue = getInputValue(dependency, version);
+      const outputValue = getOutputValue(dependency, version, expectedHref);
+      const hljsResultMock = { value: inputValue };
+
+      const output = composerJsonLinker(hljsResultMock, COMPOSER_JSON_EXAMPLES[type]);
+      expect(output).toBe(outputValue);
+    },
+  );
+});