chore: add ignore and ignore-all unit tests

Author: equinusocio

test/unit/render.test.js

@@ -251,6 +251,43 @@ describe('render', function() {
         </h6>`
       );
     });
+
+    it('ignore', async function() {
+      const { docsify } = await init();
+      const output = docsify.compiler.compile(
+        '## h2 tag <!-- {docsify-ignore} -->'
+      );
+      expectSameDom(
+        output,
+        `
+        <h2 id="h2-tag">
+          <a href="#/?id=h2-tag" data-id="h2-tag" class="anchor">
+            <span>h2 tag </span>
+          </a>
+        </h2>`
+      );
+    });
+
+    it('ignore-all', async function() {
+      const { docsify } = await init();
+      const output = docsify.compiler.compile(
+        `# h1 tag <!-- {docsify-ignore-all} -->` + `\n## h2 tag`
+      );
+      expectSameDom(
+        output,
+        `
+        <h1 id="h1-tag">
+          <a href="#/?id=h1-tag" data-id="h1-tag" class="anchor">
+            <span>h1 tag </span>
+          </a>
+        </h1>
+        <h2 id="h2-tag">
+          <a href="#/?id=h2-tag" data-id="h2-tag" class="anchor">
+            <span>h2 tag</span>
+          </a>
+        </h2>`
+      );
+    });
   });
 
   describe('link', function() {