test: load pages

test/load/__fixtures__/simple-pages/bar/baz.js

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+export default () => <div>Baz</div>;

test/load/__fixtures__/simple-pages/foo.js

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+export default () => <div>Foo</div>;

test/load/__fixtures__/simple-pages/foo/index.js

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+export default () => <div>Foo in subfolder</div>;

test/load/__fixtures__/simple-pages/index.js

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+export default () => <div>Index</div>;

test/load/__snapshots__/pages.test.js.snap

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+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`loadPages valid pages 1`] = `
+Array [
+  Object {
+    "path": "/foo",
+    "source": "foo.js",
+  },
+  Object {
+    "path": "/",
+    "source": "index.js",
+  },
+  Object {
+    "path": "/bar/baz",
+    "source": "bar/baz.js",
+  },
+  Object {
+    "path": "/foo/",
+    "source": "foo/index.js",
+  },
+]
+`;

test/load/pages.test.js

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+import loadPages from '@lib/load/pages.js';
+import path from 'path';
+
+describe('loadPages', () => {
+  test('valid pages', async () => {
+    const pagesDir = path.join(__dirname, '__fixtures__', 'simple-pages');
+    const pagesData = await loadPages(pagesDir);
+    expect(pagesData).toMatchSnapshot();
+    expect(pagesData).not.toBeNull();
+  });
+
+  test('invalid pages', async () => {
+    const nonExistingDir = path.join(__dirname, '__fixtures__', 'nonExisting');
+    const pagesData = await loadPages(nonExistingDir);
+    expect(pagesData).toEqual([]);
+  });
+});