test: utils for load

lib/load/utils.js

@@ -31,13 +31,13 @@ function encodePath(userpath) {
 }
 
 function fileToComponentName(file) {
-  let str = file.replace(/([A-Z])/g, ' $1');
+  const ext = extRE.exec(file)[1];
-  if (str.length === 1) {
+  let str = file.replace(extRE, '');
-    return str.toUpperCase();
+  str = str.replace(/([A-Z])/g, ' $1');
-  }
   str = str.replace(/^[\W_]+|[\W_]+$/g, '').toLowerCase();
   str = str.charAt(0).toUpperCase() + str.slice(1);
-  return str.replace(/[\W_]+(\w|$)/g, (_, ch) => ch.toUpperCase());
+  str = str.replace(/[\W_]+(\w|$)/g, (_, ch) => ch.toUpperCase());
+  return ext ? ext.toUpperCase() + str : str; 
 }
 
 module.exports = {

test/load/utils.test.js

@@ -0,0 +1,38 @@
+import path from 'path';
+import {fileToPath, fileToComponentName} from '@lib/load/utils.js';
+
+describe('load utils', () => {
+  test('fileToComponentName', () => {
+    const asserts = {
+      'index.md': 'MDIndex',
+      'hello/index.md': 'MDHelloIndex',
+      'foo.md': 'MDFoo',
+      'foo-bar.md': 'MDFooBar',
+      'index.js': 'JSIndex',
+      'foobar.js': 'JSFoobar',
+      'docusaurus/index.js': 'JSDocusaurusIndex',
+      '234.md': 'MD234',
+      '2018-07-08-test.md': 'MD20180708Test',
+      '%asd.md': 'MDAsd'
+    };
+    Object.keys(asserts).forEach(file => {
+      expect(fileToComponentName(file)).toBe(asserts[file]);
+    });
+  });
+
+  test('fileToPath', () => {
+    const asserts = {
+      'index.md': '/',
+      'hello/index.md': '/hello/',
+      'foo.md': '/foo',
+      'foo/bar.md': '/foo/bar',
+      'index.js': '/',
+      'hello/index.js': '/hello/',
+      'foo.js': '/foo',
+      'foo/bar.js': '/foo/bar'
+    };
+    Object.keys(asserts).forEach(file => {
+      expect(fileToPath(file)).toBe(asserts[file]);
+    });
+  });
+});