Added test + logic to shortcircuit test command

cli/test.js

@@ -8,6 +8,8 @@
 function test(command, argv) {
   const logger = require('@blackbaud/skyux-logger');
   const Server = require('karma').Server;
+  const path = require('path');
+  const glob = require('glob');
   const tsLinter = require('./utils/ts-linter');
   const configResolver = require('./utils/config-resolver');
 
@@ -17,6 +19,8 @@ function test(command, argv) {
   const karmaConfigUtil = require('karma').config;
   const karmaConfigPath = configResolver.resolve(command, argv);
   const karmaConfig = karmaConfigUtil.parseConfig(karmaConfigPath);
+  const specsPath = path.resolve(process.cwd(), 'src/app/**/*.spec.ts');
+  const specsGlob = glob.sync(specsPath);
 
   let lintResult;
 
@@ -46,6 +50,11 @@ function test(command, argv) {
     process.exit(exitCode);
   };
 
+  if (specsGlob.length === 0) {
+    logger.info('No spec files located. Stopping command from running.');
+    return onExit(0);
+  }
+
   const server = new Server(karmaConfig, onExit);
   server.on('run_start', onRunStart);
   server.on('run_complete', onRunComplete);

test/cli-test.spec.js

@@ -227,4 +227,16 @@ describe('cli test', () => {
 
     expect(process.exit).toHaveBeenCalledWith(0);
   });
+
+  it('should not continue if no e2e spec files exist', () => {
+    mock('glob', {
+      sync: path => []
+    });
+
+    mock.reRequire('../cli/test')('test');
+    expect(logger.info).toHaveBeenCalledWith(
+      'No spec files located. Stopping command from running.'
+    );
+    expect(process.exit).toHaveBeenCalledWith(0);
+  });
 });