chore: prepare for docs sidebar

test/load/docs/sidebars.test.js

@@ -0,0 +1,46 @@
+import path from 'path';
+import loadSidebars from '@lib/load/docs/sidebars';
+
+describe('loadSidebars', () => {
+  const fixtures = path.join(__dirname, '..', '__fixtures__');
+  test('normal site with sidebars', () => {
+    const env = {};
+    const siteDir = path.join(fixtures, 'simple-site');
+    const result = loadSidebars({siteDir, env});
+    expect(result).toMatchSnapshot();
+  });
+
+  test('site without sidebars', () => {
+    const env = {};
+    const siteDir = path.join(fixtures, 'bad-site');
+    const result = loadSidebars({siteDir, env});
+    expect(result).toMatchSnapshot();
+  });
+
+  test('site with sidebars & versioned sidebars', () => {
+    const env = {
+      versioning: {
+        enabled: true,
+        versions: ['1.0.1', '1.0.0']
+      }
+    };
+    const siteDir = path.join(fixtures, 'versioned-site');
+    const result = loadSidebars({siteDir, env});
+    expect(result).toMatchSnapshot();
+  });
+
+  test('site with missing versioned sidebars', () => {
+    const env = {
+      versioning: {
+        enabled: true,
+        versions: ['2.0.0']
+      }
+    };
+    const siteDir = path.join(fixtures, 'versioned-site');
+    expect(() => {
+      loadSidebars({siteDir, env});
+    }).toThrowErrorMatchingInlineSnapshot(
+      `"Failed to load versioned_sidebars/version-2.0.0-sidebars.json. It does not exist."`
+    );
+  });
+});