fix(test): fix jest reporter config

Closes #1160

Author: adamdbradley

src/testing/jest/jest-config.ts

@@ -39,6 +39,10 @@ export function buildJestConfig(config: d.Config) {
 
   jestConfig.rootDir = config.rootDir;
 
+  if (Array.isArray(config.testing.reporters)) {
+    jestConfig.reporters = config.testing.reporters;
+  }
+
   return JSON.stringify(jestConfig);
 }
 

src/testing/jest/test/jest-config.spec.ts

@@ -102,6 +102,29 @@ describe('jest-config', () => {
     expect(parsedConfig.testMatch).toEqual(['hello.spec.ts']);
   });
 
+  it('set jestArgv config reporters', () => {
+    const rootDir = path.resolve('/');
+    const process: any = {
+      argv: ['node stencil test']
+    };
+    const config = new TestingConfig();
+    config.rootDir = rootDir;
+    config.flags = parseFlags(process);
+    config.testing = {
+      reporters: [
+        'default',
+        ['jest-junit', { suiteName: 'jest tests' } ]
+      ]
+    };
+
+    const jestArgv = buildJestArgv(config);
+    const parsedConfig = JSON.parse(jestArgv.config) as d.JestConfig;
+    expect(parsedConfig.reporters).toHaveLength(2);
+    expect(parsedConfig.reporters[0]).toBe('default');
+    expect(parsedConfig.reporters[1][0]).toBe('jest-junit');
+    expect(parsedConfig.reporters[1][1].suiteName).toBe('jest tests');
+  });
+
   it('set jestArgv config rootDir', () => {
     const rootDir = path.resolve('/');
     const process: any = {

test/example/package.json

@@ -11,6 +11,7 @@
     "@types/puppeteer": "1.6.4",
     "jest": "23.6.0",
     "jest-cli": "23.6.0",
+    "jest-junit": "^5.2.0",
     "puppeteer": "1.8.0",
     "workbox-build": "3.4.1"
   }

test/example/stencil.config.ts

@@ -8,7 +8,7 @@ export const config: Config = {
   ],
 
   testing: {
-    // testRegex: ''
+    reporters: ['default', ['jest-junit', { output: 'www/junit.xml' }]]
   }
 
 };