--showConfig change to show all config, jest-editor-support fails

packages/jest-editor-support/src/Settings.js

@@ -55,19 +55,19 @@ export default class Settings extends EventEmitter {
     };
   }
 
-  getConfig(completed: any) {
+  getConfigs(completed: any) {
     this.getConfigProcess = this._createProcess(this.workspace, [
       '--showConfig',
     ]);
 
     this.getConfigProcess.stdout.on('data', (data: Buffer) => {
-      const {config, version} = JSON.parse(data.toString());
+      const {configs, version} = JSON.parse(data.toString());
       // We can give warnings to versions under 17 now
       // See https://github.com/facebook/jest/issues/2343 for moving this into
       // the config object
 
       this.jestVersionMajor = parseInt(version.split('.').shift(), 10);
-      this.settings = config;
+      this.settings = configs;
     });
 
     // They could have an older build of Jest which
@@ -76,4 +76,11 @@ export default class Settings extends EventEmitter {
       completed();
     });
   }
+
+  getConfig(completed: any) {
+    this.getConfigs(() => {
+      this.settings = this.settings[0];
+      completed();
+    });
+  }
 }

packages/jest-editor-support/src/__tests__/settings.test.js

@@ -27,6 +27,35 @@ describe('Settings', () => {
     expect(settings.settings).toEqual(expect.any(Object));
   });
 
+  it('reads and parses the configs', () => {
+    const workspace = new ProjectWorkspace(
+      'root_path',
+      'path_to_jest',
+      'test',
+      1000,
+    );
+    const completed = jest.fn();
+    const configs = [{cacheDirectory: '/tmp/jest', name: '[md5 hash]'}];
+    const json = {
+      configs,
+      version: '19.0.0',
+    };
+
+    const mockProcess: any = new EventEmitter();
+    mockProcess.stdout = new EventEmitter();
+    const createProcess = () => mockProcess;
+    const buffer = makeBuffer(JSON.stringify(json));
+    const settings = new Settings(workspace, {createProcess});
+
+    settings.getConfigs(completed);
+    settings.getConfigProcess.stdout.emit('data', buffer);
+    settings.getConfigProcess.emit('close');
+
+    expect(completed).toHaveBeenCalled();
+    expect(settings.jestVersionMajor).toBe(19);
+    expect(settings.settings).toEqual(configs);
+  });
+
   it('reads and parses the config', () => {
     const workspace = new ProjectWorkspace(
       'root_path',
@@ -35,9 +64,9 @@ describe('Settings', () => {
       1000,
     );
     const completed = jest.fn();
-    const config = {cacheDirectory: '/tmp/jest', name: '[md5 hash]'};
+    const configs = [{cacheDirectory: '/tmp/jest', name: '[md5 hash]'}];
     const json = {
-      config,
+      configs,
       version: '19.0.0',
     };
 
@@ -53,7 +82,7 @@ describe('Settings', () => {
 
     expect(completed).toHaveBeenCalled();
     expect(settings.jestVersionMajor).toBe(19);
-    expect(settings.settings).toEqual(config);
+    expect(settings.settings).toEqual(configs[0]);
   });
 
   it('calls callback even if no data is sent', () => {