test: cover insertLink fallback branches

recto/apps/workers/api/test/insert-link-fallbacks.test.ts

@@ -0,0 +1,49 @@
+import { describe, expect, it } from 'vitest';
+import { insertLink } from '../src/integrations/wordpress';
+
+describe('WordPress insertLink - fallback branches', () => {
+  it('leaves empty content untouched and reports phraseNotFound', () => {
+    const result = insertLink('', 'missing phrase', 'https://x/missing');
+
+    expect(result).toEqual({
+      content: '',
+      alreadyLinked: false,
+      phraseNotFound: true,
+    });
+  });
+
+  it('wraps a free phrase even when the content has no paragraph break', () => {
+    const html = 'Intro sentence with target phrase and no block tags.';
+    const result = insertLink(html, 'target phrase', 'https://x/target');
+
+    expect(result.alreadyLinked).toBe(false);
+    expect(result.phraseNotFound).toBeFalsy();
+    expect(result.via).toBe('wrap');
+    expect(result.content).toBe(
+      'Intro sentence with <a href="https://x/target" data-recto-link="1">target phrase</a> and no block tags.'
+    );
+  });
+
+  it('does not require a pre-existing recto marker to wrap a matching phrase', () => {
+    const html = '<p>A clean paragraph mentions internal link coverage.</p>';
+    const result = insertLink(html, 'internal link coverage', 'https://x/coverage');
+
+    expect(html).not.toContain('data-recto-link="1"');
+    expect(result.content).toBe(
+      '<p>A clean paragraph mentions <a href="https://x/coverage" data-recto-link="1">internal link coverage</a>.</p>'
+    );
+  });
+
+  it('keeps an unrelated recto marker while adding the requested href', () => {
+    const html =
+      '<p><a data-recto-link="1" href="https://x/existing">Existing link</a> plus fresh target phrase.</p>';
+    const result = insertLink(html, 'fresh target phrase', 'https://x/fresh');
+
+    expect(result.alreadyLinked).toBe(false);
+    expect(result.phraseNotFound).toBeFalsy();
+    expect(result.content).toContain('href="https://x/existing"');
+    expect(result.content).toContain(
+      '<a href="https://x/fresh" data-recto-link="1">fresh target phrase</a>'
+    );
+  });
+});