From 60cb8b08793ec33eec9f84002a7acdbe621c47a6 Mon Sep 17 00:00:00 2001
From: Sebastian Qvarfordt <s.qvarfordt@gmail.com>
Date: Tue, 30 Jun 2020 13:16:57 +0200
Subject: [PATCH] Added rewriteDocLinks test

---
 ...ener.test.tsx => addEventListener.test.ts} |  0
 .../transformers/rewriteDocLinks.test.ts      | 57 +++++++++++++++++++
 .../reader/transformers/rewriteDocLinks.ts    |  4 +-
 plugins/techdocs/src/test-utils/index.ts      |  2 +-
 4 files changed, 59 insertions(+), 4 deletions(-)
 rename plugins/techdocs/src/reader/transformers/{addEventListener.test.tsx => addEventListener.test.ts} (100%)
 create mode 100644 plugins/techdocs/src/reader/transformers/rewriteDocLinks.test.ts

diff --git a/plugins/techdocs/src/reader/transformers/addEventListener.test.tsx b/plugins/techdocs/src/reader/transformers/addEventListener.test.ts
similarity index 100%
rename from plugins/techdocs/src/reader/transformers/addEventListener.test.tsx
rename to plugins/techdocs/src/reader/transformers/addEventListener.test.ts
diff --git a/plugins/techdocs/src/reader/transformers/rewriteDocLinks.test.ts b/plugins/techdocs/src/reader/transformers/rewriteDocLinks.test.ts
new file mode 100644
index 0000000000..bcc45937b5
--- /dev/null
+++ b/plugins/techdocs/src/reader/transformers/rewriteDocLinks.test.ts
@@ -0,0 +1,57 @@
+/*
+ * Copyright 2020 Spotify AB
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { createTestShadowDom, getSample } from '../../test-utils';
+import { rewriteDocLinks } from '../transformers';
+
+describe('rewriteDocLinks', () => {
+  it('contains relative paths', () => {
+    const shadowDom = createTestShadowDom(`
+        <a href="http://example.org/">Test</a>
+        <a href="../example">Test</a>
+        <a href="example-docs">Test</a>
+        <a href="example-docs/example-page">Test Sub Page</a>
+    `);
+
+    expect(getSample(shadowDom, 'a', 'href', 6)).toEqual([
+      'http://example.org/',
+      '../example',
+      'example-docs',
+      'example-docs/example-page',
+    ]);
+  });
+
+  it('contains transformed absolute paths', () => {
+    const shadowDom = createTestShadowDom(
+      `
+        <a href="http://example.org/">Test</a>
+        <a href="../example">Test</a>
+        <a href="example-docs">Test</a>
+        <a href="example-docs/example-page">Test Sub Page</a>
+    `,
+      {
+        transformers: [rewriteDocLinks()],
+      },
+    );
+
+    expect(getSample(shadowDom, 'a', 'href', 6)).toEqual([
+      'http://example.org/',
+      'http://localhost/example',
+      'http://localhost/example-docs',
+      'http://localhost/example-docs/example-page',
+    ]);
+  });
+});
diff --git a/plugins/techdocs/src/reader/transformers/rewriteDocLinks.ts b/plugins/techdocs/src/reader/transformers/rewriteDocLinks.ts
index 3f80dbe4e9..7b8495b6b7 100644
--- a/plugins/techdocs/src/reader/transformers/rewriteDocLinks.ts
+++ b/plugins/techdocs/src/reader/transformers/rewriteDocLinks.ts
@@ -17,9 +17,7 @@
 import URLParser from '../urlParser';
 import type { Transformer } from './index';
 
-type AddBaseUrlOptions = {};
-
-export const rewriteDocLinks = ({}: AddBaseUrlOptions): Transformer => {
+export const rewriteDocLinks = (): Transformer => {
   return dom => {
     const updateDom = <T extends Element>(
       list: Array<T>,
diff --git a/plugins/techdocs/src/test-utils/index.ts b/plugins/techdocs/src/test-utils/index.ts
index 4cf9766b66..98472d75a4 100644
--- a/plugins/techdocs/src/test-utils/index.ts
+++ b/plugins/techdocs/src/test-utils/index.ts
@@ -51,8 +51,8 @@ export const getSample = (
   shadowDom: ShadowRoot,
   elementName: string,
   elementAttribute: string,
+  sampleSize = 2,
 ) => {
-  const sampleSize = 2;
   const rootElement = shadowDom.children[0];
 
   return Array.from(rootElement.getElementsByTagName(elementName))