Testing & React Native

				
xit('should not allow sending an empty message',
                    test.specAsync(async () => {

  //check that the value is not sent if the message is empty
  await driver.safeClick('sendButton');
  await test.expectElementToNotExist('activity-guid');
  await test.expectElementToNotExist('activity-1001');

  //now type something, delete it and try to send
  //again to check that it is not sent either
  await driver.typeOnKeyboard('a');
  await driver.tapKeyboardDelete(1);
  await driver.sleep(500);
  await driver.safeClick('sendButton', 1000);
  await test.expectElementToNotExist('activity-guid');
  await test.expectElementToNotExist('activity-1001');
}));
				
			

				
wd.addPromiseChainMethod('typeOnKeyboard', function (val) {
  let t = this.execute(
     'target.frontMostApp().keyboard()'
     ).sleep(750);
  for (let i = 0; i < val.length; i++) {
    t = t.sleep(150).execute(
      `target
        .frontMostApp()
        .keyboard()
        .typeString('${val[i]}')`
    );
  }
  return t;
});
				
			

				
...
expectElementToNotExist: async testId => {
  let element;
  for (let i = 0; i < 20; i++) {
    element = await driver.getElementIfExists(testId, 50);
    if (element) {
        // if it's still there check back in a little bit
        await driver.sleep(50);
    } else {
      element = undefined;
      break;
    }
  }
  expect({element, testId}).not.toBeAValidElement();
},
...

				
			

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