Add test-cases for config_api

src/client/__tests__/config_api.js

@@ -0,0 +1,35 @@
+const { describe, it } = global;
+import { expect } from 'chai';
+
+describe('client.ConfigApi', () => {
+  describe('_renderError', () => {
+    it('should send error stack and message to syncedStore');
+  });
+
+  describe('_renderMain', () => {
+    it('should run loaders if provided');
+    it('should set error in syncedStore to null');
+    it('should get a dump of storyStore and send it to syncedStore');
+    it('should set __updatedAt field with a updated value to syncedStore');
+    it('should select a new kind if the current one is not available');
+    describe('if there is kind', () => {
+      it('should select a new story if the current one is not available');
+    });
+  });
+
+  describe('configure', () => {
+    describe('initially', () => {
+      it('should call _renderMain with loaders');
+      describe('if caused an error', () => {
+        it('should call _renderError with the error');
+      });
+    });
+
+    describe('with hot reload', () => {
+      it('should call _renderMain with loaders');
+      describe('if caused an error', () => {
+        it('should call _renderError with the error');
+      });
+    });
+  });
+});

src/client/config_api.js

@@ -4,7 +4,9 @@ export default class ConfigApi {
     this._storyStore = storyStore;
   }
 
-  _renderMain() {
+  _renderMain(loaders) {
+    if (loaders) loaders();
+
     const data = this._syncedStore.getData();
     data.error = null;
     data.__updatedAt = Date.now();
@@ -34,8 +36,7 @@ export default class ConfigApi {
   configure(loaders, module) {
     const render = () => {
       try {
-        loaders();
-        this._renderMain();
+        this._renderMain(loaders);
       } catch (error) {
         this._renderError(error);
       }