test: add test for load config

test/jest.config.js

@@ -0,0 +1,12 @@
+const path = require('path');
+
+module.exports = {
+  rootDir: path.resolve(__dirname, '..'),
+  verbose: true,
+  testURL: 'http://localhost/',
+  testEnvironment: 'node',
+  moduleNameMapper: {
+    '^@lib/(.*)$': '<rootDir>/lib/$1'
+  },
+  testPathIgnorePatterns: ['/node_modules/', '__fixtures__']
+};

test/load/__fixtures__/bad-site/siteConfig.js

@@ -0,0 +1,4 @@
+module.exports = {
+  title: 'Munseo',
+  baseUrl: '/'
+};

test/load/__fixtures__/simple-site/siteConfig.js

@@ -0,0 +1,7 @@
+module.exports = {
+  title: 'Hello',
+  tagline: 'Hello World',
+  organizationName: 'endiliey',
+  projectName: 'hello',
+  baseUrl: '/'
+};

test/load/config.test.js

@@ -0,0 +1,35 @@
+import path from 'path';
+import loadConfig from '@lib/load/config.js';
+
+describe('loadConfig', () => {
+  test('website with valid siteConfig', () => {
+    const siteDir = path.join(__dirname, '__fixtures__', 'simple-site');
+    const config = loadConfig(siteDir);
+    expect(config).toEqual({
+      baseUrl: '/',
+      organizationName: 'endiliey',
+      projectName: 'hello',
+      tagline: 'Hello World',
+      title: 'Hello'
+    });
+    expect(config).not.toEqual({});
+  });
+
+  test('website with incomplete siteConfig', () => {
+    const siteDir = path.join(__dirname, '__fixtures__', 'bad-site');
+    expect(() => {
+      loadConfig(siteDir);
+    }).toThrowErrorMatchingInlineSnapshot(
+      `"tagline, organizationName, projectName are missing in siteConfig.js"`
+    );
+  });
+
+  test('website with no siteConfig', () => {
+    const siteDir = path.join(__dirname, '__fixtures__', 'nonExisting');
+    expect(() => {
+      loadConfig(siteDir);
+    }).toThrowErrorMatchingInlineSnapshot(
+      `"title, tagline, organizationName, projectName, baseUrl are missing in siteConfig.js"`
+    );
+  });
+});