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Espresso Testing MCQs and Answers With Explanation – Espresso is a popular testing framework for Android developed by Google, and used to write automated UI tests for Android applications. Espresso is specifically designed to simulate user interactions with the application’s user interface and verify that the application behaves as expected. The framework has three main components: ViewMatchers, ViewActions, and ViewAssertions. ViewMatchers are used to locate UI elements, ViewActions are used to simulate user interactions, and ViewAssertions are used to verify that UI elements behave as expected. And if you wish to test your knowledge of Espresso Testing this article about Espresso Testing MCQs With Answers is the best one for you.
Espresso Testing MCQs
The Top 40 Espresso Testing Multiple Choice Questions that are established here aim to test your understanding of Espresso and its components. Candidates should make use of this Espresso Testing Quiz and improve their knowledge right away.
Espresso Testing Multiple Choice Questions
| Name | Espresso Testing |
| Exam Type | MCQ (Multiple Choice Questions) |
| Category | Technical Quiz |
| Mode of Quiz | Online |
Top 40 Espresso Testing MCQs With Answers | Practice Online Quiz
1. What is Espresso?
A. A type of coffee
B. A testing framework for Android
C. A programming language
D. A development environment
Answer: B
Explanation: Espresso is a testing framework for Android that is used to write automated UI tests. It was developed by Google and is used by developers to ensure that their applications work as expected.
2. What is the purpose of Espresso?
A. To write code for Android applications
B. To test the user interface of Android applications
C. To debug Android applications
D. To design Android applications
Answer: B
Explanation: Espresso is used to test the user interface of Android applications. It is used to simulate user interactions with the application and to verify that the application behaves as expected.
3. Which of the following is not a component of Espresso?
A. ViewMatchers
B. ViewAssertions
C. ViewActions
D. ViewComponents
Answer: D
Explanation: The components of Espresso are ViewMatchers, ViewAssertions, and ViewActions. These components are used to interact with the UI elements of an Android application and to verify that they behave as expected.
4. What is the purpose of ViewMatchers?
A. To interact with UI elements of an Android application
B. To verify that UI elements behave as expected
C. To locate UI elements in an Android application
D. To simulate user interactions with an Android application
Answer: C
Explanation: ViewMatchers are used to locate UI elements in an Android application. They are used to find the elements that are being tested and to interact with them using ViewActions.
5. What is the purpose of ViewActions?
A. To locate UI elements in an Android application
B. To interact with UI elements of an Android application
C. To verify that UI elements behave as expected
D. To simulate user interactions with an Android application
Answer: D
Explanation: ViewActions are used to simulate user interactions with an Android application. They are used to perform actions such as clicking buttons, typing text, and scrolling.
6. What is the purpose of ViewAssertions?
A. To locate UI elements in an Android application
B. To interact with UI elements of an Android application
C. To verify that UI elements behave as expected
D. To simulate user interactions with an Android application
Answer: C
Explanation: ViewAssertions are used to verify that UI elements behave as expected. They are used to check that UI elements have the correct text, color, and other properties.
7. Which of the following is a correct way to wait for an element to appear using Espresso?
A. onView(withId(R.id.button)).check(matches(isDisplayed())).wait(5000)
B. onView(withId(R.id.button)).check(matches(isDisplayed())).perform(waitFor(5000))
C. onView(withId(R.id.button)).check(matches(isDisplayed())).perform(waitUntil(5000))
D. onView(withId(R.id.button)).check(matches(isDisplayed())).perform(ViewActions.waitFor(5000))
Answer: D
Explanation: The correct way to wait for an element to appear using Espresso is to use the ViewActions.waitFor method, as shown in option D.
8. What is the purpose of onData in Espresso?
A. To interact with UI elements of an Android application
B. To verify that UI elements behave as expected
C. To locate UI elements in an Android application
D. To interact with data in a ListView or RecyclerView
Answer: D
Explanation: The onData method is used to interact with data in a ListView or RecyclerView. It is used to find and interact with specific items in a list.
9. Which of the following is a correct way to click a button using Espresso?
A. onView(withId(R.id.button)).perform(click())
B. onView(withId(R.id.button)).click()
C. onView(withId(R.id.button)).perform(ViewActions.click())
D. onView(withId(R.id.button)).click()
Answer: C
Explanation: The correct way to click a button using Espresso is to use the ViewActions.click method, as shown in option C.
10. What is the purpose of the EspressoIdlingResource?
A. To wait for an element to appear in an Android application
B. To verify that UI elements behave as expected in an Android application
C. To handle asynchronous operations in an Android application
D. To simulate user interactions with an Android application
Answer: C
Explanation: The EspressoIdlingResource is used to handle asynchronous operations in an Android application. It is used to wait for background operations to complete before verifying the behavior of UI elements.
11. Which of the following is not a benefit of using Espresso for testing Android applications?
A. Faster test execution times
B. Improved test reliability
C. More comprehensive test coverage
D. Better integration with development workflows
Answer: C
Explanation: Although Espresso can improve the reliability and speed of testing Android applications, it does not necessarily increase test coverage.
12. Which of the following is a correct way to check if a button is enabled using Espresso?
A. onView(withId(R.id.button)).check(matches(isEnabled()))
B. onView(withId(R.id.button)).check(matches(isDisplayed()))
C. onView(withId(R.id.button)).check(matches(isClickable()))
D. onView(withId(R.id.button)).check(matches(hasFocus()))
Answer: A
Explanation: The correct way to check if a button is enabled using Espresso is to use the ViewMatchers.isEnabled method, as shown in option A.
13. What is the purpose of the Espresso Test Recorder?
A. To generate Espresso test code from user interactions
B. To record user interactions with an Android application
C. To debug an Android application
D. To design the user interface of an Android application
Answer: B
Explanation: The Espresso Test Recorder is used to record user interactions with an Android application. It generates Espresso test code from the recorded interactions.
14. Which of the following is a correct way to type text into an EditText using Espresso?
A. onView(withId(R.id.editText)).typeText(“hello”)
B. onView(withId(R.id.editText)).perform(click()).typeText(“hello”)
C. onView(withId(R.id.editText)).perform(ViewActions.typeText(“hello”))
D. onView(withId(R.id.editText)).type(“hello”)
Answer: C
Explanation: The correct way to type text into an EditText using Espresso is to use the ViewActions.typeText method, as shown in option C.
15. What is the purpose of the onView method in Espresso?
A. To interact with UI elements of an Android application
B. To verify that UI elements behave as expected
C. To locate UI elements in an Android application
D. To simulate user interactions with an Android application
Answer: C
Explanation: The onView method is used to locate UI elements in an Android application. It is used to find the elements that are being tested and to interact with them using ViewActions.
16. Which of the following is the correct way to check if a TextView has a certain text using Espresso?
A. onView(withId(R.id.textView)).check(matches(withText(“hello”)))
B. onView(withId(R.id.textView)).check(matches(hasText(“hello”)))
C. onView(withId(R.id.textView)).check(matches(isDisplayed())).check(matches(withText(“hello”)))
D. onView(withId(R.id.textView)).check(matches(hasContent(“hello”)))
Answer: A
Explanation: The correct way to check if a TextView has a certain text using Espresso is to use the ViewMatchers.withText method, as shown in option A.
17. What is the purpose of the onView(withId) method in Espresso?
A. To perform actions on UI elements with a specific ID
B. To locate UI elements with a specific ID
C. To verify that UI elements behave as expected with a specific ID
D. To simulate user interactions with UI elements with a specific ID
Answer: B
Explanation: The onView(withId) method is used to locate UI elements with a specific ID. It is used to find the elements that are being tested and to interact with them using ViewActions.
18. Which of the following is a correct way to wait for an element to be displayed using Espresso?
A. onView(withId(R.id.textView)).waitUntilDisplayed()
B. onView(withId(R.id.textView)).check(matches(isDisplayed())).perform(waitUntilDisplayed())
C. onView(withId(R.id.textView)).perform(waitUntilDisplayed())
D. onView(withId(R.id.textView)).check(matches(isDisplayed())).perform(ViewActions.waitUntilDisplayed())
Answer: D
Explanation: The correct way to wait for an element to be displayed using Espresso is to use the ViewActions.waitUntilDisplayed method, as shown in option D.
19. What is the purpose of the onData method in Espresso?
A. To perform actions on data objects in an Android application
B. To locate data objects in an Android application
C. To verify that data objects behave as expected in an Android application
D. To simulate user interactions with data objects in an Android application
Answer: B
Explanation: The onData method is used to locate data objects in an Android application. It is used to find the objects that are being tested and to interact with them using ViewActions.
20. Which of the following is a correct way to scroll to a certain view using Espresso?
A. onView(withId(R.id.textView)).perform(ViewActions.scroll())
B. onView(withId(R.id.scrollView)).perform(ViewActions.scrollTo(withId(R.id.textView)))
C. onView(withId(R.id.textView)).scrollTo()
D. onView(withId(R.id.scrollView)).scrollTo()
Answer: B
Explanation: The correct way to scroll to a certain view using Espresso is to use the ViewActions.scrollTo method, as shown in option B.
21. What is the purpose of the ViewAssertion interface in Espresso?
A. To handle asynchronous operations in an Android application
B. To simulate user interactions with an Android application
C. To wait for an element to appear in an Android application
D. To verify that UI elements behave as expected in an Android application
Answer: D
Explanation: The ViewAssertion interface is used to verify that UI elements behave as expected in an Android application. It is used to define assertions that are checked after performing an action on a view.
22. Which of the following is a correct way to clear text from an EditText using Espresso?
A. onView(withId(R.id.editText)).perform(ViewActions.clearText())
B. onView(withId(R.id.editText)).typeText(“”)
C. onView(withId(R.id.editText)).perform(clearText())
D. onView(withId(R.id.editText)).clear()
Answer: A
Explanation: The correct way to clear text from an EditText using Espresso is to use the ViewActions.clearText method, as shown in option A.
23. What is the purpose of the inRoot method in Espresso?
A. To specify the root view hierarchy for a certain UI element
B. To specify the root view hierarchy for a certain UI element and to apply a specific assertion to it
C. To specify the root view hierarchy for a certain UI element and to apply a specific action to it
D. To specify the root view hierarchy for a certain UI element and to apply a specific matcher to it
Answer: D
Explanation: The inRoot method is used to specify the root view hierarchy for a certain UI element and to apply a specific matcher to it. It is used to restrict the scope of a ViewMatcher or ViewAction to a certain view hierarchy.
24. Which of the following is a correct way to check if a CheckBox is checked using Espresso?
A. onView(withId(R.id.checkBox)).check(matches(isChecked()))
B. onView(withId(R.id.checkBox)).perform(ViewActions.isChecked())
C. onView(withId(R.id.checkBox)).perform(click()).check(isChecked())
D. onView(withId(R.id.checkBox)).check(matches(withText(“true”)))
Answer: A
Explanation: The correct way to check if a CheckBox is checked using Espresso is to use the ViewMatchers.isChecked method, as shown in option A.
25. What is the purpose of the ViewAction interface in Espresso?
A. To handle asynchronous operations in an Android application
B. To simulate user interactions with an Android application
C. To wait for an element to appear in an Android application
D. To verify that UI elements behave as expected in an Android application
Answer: B
Explanation: The ViewAction interface is used to simulate user interactions with an Android application. It is used to define actions that can be performed on a view, such as clicking or typing.
26. Which of the following is a correct way to check if a ProgressBar is displayed using Espresso?
A. onView(withId(R.id.progressBar)).check(matches(isDisplayed()))
B. onView(withId(R.id.progressBar)).check(matches(isShown()))
C. onView(withId(R.id.progressBar)).perform(waitUntilDisplayed())
D. onView(withId(R.id.progressBar)).check(matches(isEnabled()))
Answer: A
Explanation: The correct way to check if a ProgressBar is displayed using Espresso is to use the ViewMatchers.isDisplayed method, as shown in option A.
27. What is the purpose of the ViewMatchers class in Espresso?
A. To define matchers that can be used to locate UI elements in an Android application
B. To define actions that can be performed on UI elements in an Android application
C. To define assertions that can be used to verify that UI elements behave as expected in an Android application
D. To define methods that can be used to simulate user interactions with UI elements in an Android application
Answer: A
Explanation: The ViewMatchers class is used to define matchers that can be used to locate UI elements in an Android application. It provides methods for matching on various attributes of a view, such as its ID or text.
28. Which of the following is a correct way to check if a RecyclerView has a certain number of items using Espresso?
A. onView(withId(R.id.recyclerView)).check(matches(hasItemCount(5)))
B. onView(withId(R.id.recyclerView)).check(matches(hasItemsCount(5)))
C. onView(withId(R.id.recyclerView)).perform(actionWithItemCount(5))
D. onView(withId(R.id.recyclerView)).check(matches(isDisplayed())).check(matches(withItemCount(5)))
Answer: A
Explanation: The correct way to check if a RecyclerView has a certain number of items using Espresso is to use the ViewMatchers.hasItemCount method, as shown in option A.
29. What is the purpose of the ViewActions class in Espresso?
A. To define matchers that can be used to locate UI elements in an Android application
B. To define actions that can be performed on UI elements
C. To define assertions that can be used to verify that UI elements behave as expected in an Android application
D. To define methods that can be used to simulate user interactions with UI elements in an Android application
Answer: D
Explanation: The ViewActions class is used to define methods that can be used to simulate user interactions with UI elements in an Android application. It provides methods for performing various actions on a view, such as clicking or typing.
30. Which of the following is a correct way to check if a TextView contains certain text using Espresso?
A. onView(withId(R.id.textView)).check(matches(withText(“Hello”)))
B. onView(withId(R.id.textView)).check(matches(isDisplayed()))
C. onView(withId(R.id.textView)).check(matches(withContentDescription(“Hello”)))
D. onView(withId(R.id.textView)).perform(typeText(“Hello”))
Answer: A
Explanation: The correct way to check if a TextView contains certain text using Espresso is to use the ViewMatchers.withText method, as shown in option A.
31. Which of the following is a correct way to check if a Spinner has a certain selected item using Espresso?
A. onView(withId(R.id.spinner)).check(matches(withSpinnerText(“Item 1”)))
B. onView(withId(R.id.spinner)).perform(click()).check(matches(withSpinnerText(“Item 1”)))
C. onView(withId(R.id.spinner)).check(matches(hasSelectedIndex(1)))
D. onView(withId(R.id.spinner)).perform(selectSpinnerItem(“Item 1”)).check(matches(withSpinnerText(“Item 1”)))
Answer: A
Explanation: The correct way to check if a Spinner has a certain selected item using Espresso is to use the ViewMatchers.withSpinnerText method, as shown in option A.
32. What is the purpose of the CountingIdlingResource class in Espresso?
A. To define matchers that can be used to locate UI elements in an Android application
B. To define actions that can be performed on UI elements in an Android application
C. To handle asynchronous operations in an Android application
D. To verify that UI elements behave as expected in an Android application
Answer: C
Explanation: The CountingIdlingResource class in Espresso is used to handle asynchronous operations in an Android application. It is used to track the number of in-flight operations and to signal when they are complete.
33. Which of the following is a correct way to check if a RadioButton is selected using Espresso?
A. onView(withId(R.id.radioButton)).check(matches(isChecked()))
B. onView(withId(R.id.radioButton)).perform(click()).check(isChecked())
C. onView(withId(R.id.radioButton)).check(matches(isSelected()))
D. onView(withId(R.id.radioButton)).perform(scrollTo()).check(matches(isChecked()))
Answer: A
Explanation: The correct way to check if a RadioButton is selected using Espresso is to use the ViewMatchers.isChecked method, as shown in option A.
34. What is the purpose of the IdlingResource interface in Espresso?
A. To define matchers that can be used to locate UI elements in an Android application
B. To define actions that can be performed on UI elements in an Android application
C. To handle asynchronous operations in an Android application
D. To signal when a UI element has finished loading in an Android application
Answer: C
Explanation: The IdlingResource interface in Espresso is used to handle asynchronous operations in an Android application. It is used to signal when an operation is in progress and when it is complete, so that Espresso can wait for the operation to complete before performing any further actions.
35. Which of the following is a correct way to check if a Toast message is displayed using Espresso?
A. onView(withText(“Hello, world!”)).inRoot(withDecorView(not(is(getActivity().getWindow().getDecorView())))).check(matches(isDisplayed()))
B. onView(withText(“Hello, world!”)).inRoot(isToast()).check(matches(isDisplayed()))
C. onView(withText(“Hello, world!”)).check(matches(isDisplayed()))
D. onView(withText(“Hello, world!”)).inRoot(withDecorView(is(getActivity().getWindow().getDecorView()))).check(matches(isDisplayed()))
Answer: B
Explanation: The correct way to check if a Toast message is displayed using Espresso is to use the ViewMatchers.isToast method, as shown in option B. This method ensures that the Toast message is not part of the activity’s view hierarchy.
36. What is the purpose of the RecyclerViewActions class in Espresso?
A. To define matchers that can be used to locate UI elements in an Android application
B. To define actions that can be performed on UI elements in an Android application
C. To verify that UI elements behave as expected in an Android application
D. To handle asynchronous operations in an Android application
Answer: B
Explanation: The RecyclerViewActions class in Espresso is used to define actions that can be performed on RecyclerViews in an Android application. It provides methods for scrolling to a specific position, clicking on an item, and swiping an item, among other actions.
37. Which of the following is a correct way to select a value from a TimePicker using Espresso?
A. onView(withId(R.id.timePicker)).perform(setTime(12, 30))
B. onView(withId(R.id.timePicker)).perform(pickerActions.setTime(12, 30))
C. onView(withId(R.id.timePicker)).perform(scrollTo(), pickerActions.setTime(12, 30))
D. onView(withId(R.id.timePicker)).perform(scrollTo(), setTime(12, 30))
Answer: B
Explanation: The correct way to select a value from a TimePicker using Espresso is to use the pickerActions.setTime method, as shown in option B. This method sets the hour and minute values of the TimePicker.
38. Which of the following is a correct way to click on a Button with text “OK” using Espresso?
A. onView(withId(R.id.buttonOk)).perform(click())
B. onView(withText(“OK”)).perform(click())
C. onView(withText(“OK”)).inRoot(withDecorView(not(is(getActivity().getWindow().getDecorView())))).perform(click())
D. onView(withText(“OK”)).inRoot(isDialog()).perform(click())
Answer: B
Explanation: The correct way to click on a Button with text “OK” using Espresso is to use the ViewMatchers.withText method to locate the Button, as shown in option B.
39. What is the purpose of the Keyboard class in Espresso?
A. To define matchers that can be used to locate UI elements in an Android application
B. To define actions that can be performed on UI elements in an Android application
C. To handle asynchronous operations in an Android application
D. To simulate keyboard input in an Android application
Answer: D
Explanation: The Keyboard class in Espresso is used to simulate keyboard input in an Android application. It provides methods for typing text and pressing keys, among other keyboard-related actions.
40. What is the purpose of the DataInteraction class in Espresso?
A. To define matchers that can be used to locate UI elements in an Android application
B. To define actions that can be performed on UI elements in an Android application
C. To interact with data displayed in an AdapterView in an Android application
D. To handle asynchronous operations in an Android application
Answer: C
Explanation: The DataInteraction class in Espresso is used to interact with data displayed in an AdapterView, such as a ListView or Spinner, in an Android application. It allows you to specify the data item that you want to interact with, and then perform actions on that item.
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