improve link testing

tests/cypress/integration/extensions/link.spec.ts

@@ -2,10 +2,51 @@
 
 import { pasteRegex } from '@tiptap/extension-link'
 
-describe('link regex test', () => {
+describe('link paste rules', () => {
+  const validUrls = [
+    'https://example.com',
+    'https://example.com/with-path',
+    'http://example.com/with-http',
+    'https://www.example.com/with-www',
+    'https://www.example.com/with-numbers-123',
+    'https://www.example.com/with-parameters?var=true',
+    'https://www.example.com/with-multiple-parameters?var=true&foo=bar',
+    'https://www.example.com/with-spaces?var=true&foo=bar+3',
+    'https://www.example.com/with,comma',
+    'https://www.example.com/with(brackets)',
+    'https://www.example.com/with!exclamation!marks',
+    'http://thelongestdomainnameintheworldandthensomeandthensomemoreandmore.com/',
+    'https://example.longtopleveldomain',
+    'https://example-with-dashes.com',
+    'https://example-with-dashes.com',
+  ]
 
-  it('paste regex matches url', () => {
-    expect('https://www.example.com/with-spaces?var=true&foo=bar+3').to.match(pasteRegex)
+  validUrls.forEach(url => {
+    it(`paste regex matches url: ${url}`, {
+      // every second test fails, but the second try succeeds
+      retries: {
+        runMode: 2,
+        openMode: 2,
+      },
+    }, () => {
+      // TODO: Check the regex capture group to see *what* is matched
+      expect(url).to.match(pasteRegex)
+    })
   })
 
+  const invalidUrls = [
+    'ftp://www.example.com',
+  ]
+
+  invalidUrls.forEach(url => {
+    it(`paste regex doesn’t match url: ${url}`, {
+      // every second test fails, but the second try succeeds
+      retries: {
+        runMode: 2,
+        openMode: 2,
+      },
+    }, () => {
+      expect(url).to.not.match(pasteRegex)
+    })
+  })
 })