Java Espresso.onView方法代碼示例

import android.support.test.espresso.Espresso; //導入方法依賴的package包/類
private static void verifyViewEnabledStates(TestCase test) {
    ViewInteraction[] buttonsInteractions = getButtonInteractions();
    ViewInteraction[] altButtonsInteractions = getAltButtonInteractions();
    for (int digit : test.sequence) {
        buttonsInteractions[digit]
                .check(ViewAssertions.matches(ViewMatchers.isEnabled()))
                .perform(ViewActions.click());
    }
    for (int i = 0; i < 10; i++) {
        buttonsInteractions[i].check(matchesIsEnabled(
                i >= test.numberKeysEnabledStart && i < test.numberKeysEnabledEnd));
        altButtonsInteractions[0].check(matchesIsEnabled(test.leftAltKeyEnabled));
        altButtonsInteractions[1].check(matchesIsEnabled(test.rightAltKeyEnabled));
    }

    Espresso.onView(ViewMatchers.withText(android.R.string.ok))
            .check(matchesIsEnabled(test.okButtonEnabled));

    ViewInteraction backspaceInteraction = Espresso.onView(
            ViewMatchers.withId(R.id.nptp_backspace));
    // Reset after each iteration by backspacing on the button just clicked.
    backspaceInteraction.check(matchesIsEnabled(true))
            .perform(ViewActions.longClick())
            .check(matchesIsEnabled(false));
}
 

import android.support.test.espresso.Espresso; //導入方法依賴的package包/類
private static ViewInteraction[] getButtonInteractions() {
    ViewInteraction[] buttonsInteractions = new ViewInteraction[10];
    // We cannot rely on the withDigit() matcher to retrieve these because,
    // after performing a click on a button, the time display will update to
    // take on that button's digit text, and so withDigit() will return a matcher
    // that matches multiple views with that digit text: the button
    // itself and the time display. This will prevent us from performing
    // validation on the same ViewInteractions later.
    buttonsInteractions[0] = Espresso.onView(ViewMatchers.withId(R.id.nptp_text10));
    buttonsInteractions[1] = Espresso.onView(ViewMatchers.withId(R.id.nptp_text0));
    buttonsInteractions[2] = Espresso.onView(ViewMatchers.withId(R.id.nptp_text1));
    buttonsInteractions[3] = Espresso.onView(ViewMatchers.withId(R.id.nptp_text2));
    buttonsInteractions[4] = Espresso.onView(ViewMatchers.withId(R.id.nptp_text3));
    buttonsInteractions[5] = Espresso.onView(ViewMatchers.withId(R.id.nptp_text4));
    buttonsInteractions[6] = Espresso.onView(ViewMatchers.withId(R.id.nptp_text5));
    buttonsInteractions[7] = Espresso.onView(ViewMatchers.withId(R.id.nptp_text6));
    buttonsInteractions[8] = Espresso.onView(ViewMatchers.withId(R.id.nptp_text7));
    buttonsInteractions[9] = Espresso.onView(ViewMatchers.withId(R.id.nptp_text8));
    return buttonsInteractions;
}
 

import android.support.test.espresso.Espresso; //導入方法依賴的package包/類
@Before
public void init() {

    if (CameraUtils.isCameraAvailable(InstrumentationRegistry.getTargetContext())) {
        mCameraFragmentTestRule.launchActivity(null);
    } else {
        try {
            mCameraFragmentTestRule.launchActivity(null);
            fail("Should not initialize this ImageClassifierFragment if camera not there.");
        } catch (IllegalArgumentException e) {
            //Success
        }
    }

    //Wait for 1200 ms.
    //Wait for the camera to get stable
    Delay.startDelay(1200);
    Delay.stopDelay();
    Espresso.onView(withId(R.id.container));

    mImageClassifierFragment = mCameraFragmentTestRule.getFragment();
}
 

import android.support.test.espresso.Espresso; //導入方法依賴的package包/類
private static ViewInteraction[] getAltButtonInteractions() {
    ViewInteraction[] buttonsInteractions = new ViewInteraction[2];
    buttonsInteractions[0] = Espresso.onView(ViewMatchers.withId(R.id.nptp_text9));
    buttonsInteractions[1] = Espresso.onView(ViewMatchers.withId(R.id.nptp_text11));
    return buttonsInteractions;
}