Espresso for Android - Finding Listviews by Tag for onData

CustomMatchers.java

package nz.org.winters.android.widgetscommon.tests;

import android.support.test.espresso.DataInteraction;
import android.support.test.espresso.matcher.BoundedMatcher;

import org.hamcrest.Description;
import org.hamcrest.Matcher;

import nz.org.winters.android.widgetscommon.settings.FABPreferenceFragment;
import nz.org.winters.android.widgetscommon.settings.SettingGroupListFragment;
import nz.org.winters.android.widgetscommon.settings.SettingItem;

import static android.support.test.espresso.Espresso.onData;
import static android.support.test.espresso.matcher.ViewMatchers.withTagValue;
import static com.google.android.apps.common.testing.deps.guava.base.Preconditions.checkNotNull;
import static org.hamcrest.Matchers.allOf;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.instanceOf;
import static org.hamcrest.Matchers.is;

/**
 * Created by MWINTERS on 12/05/2015.
 */
public class CustomMatchers {

  public static String upCase(String in){
    return in.substring(0,1).toUpperCase() + in.substring(1);
  }

  public  static DataInteraction onSettingRow(String str) {
    DataInteraction interaction = onData(allOf(
        is(instanceOf(SettingItem.class)),
        withSettingItemContent(upCase(str))));
    return interaction
        .inAdapterView(withTagValue(withStringMatching(SettingGroupListFragment.LIST_TAG)));
  }

  public static DataInteraction onPreferenceRow(String str) {
    DataInteraction interaction = onData(allOf(
            is(instanceOf(Preference.class)),
            withKey(str)));
    return interaction
        .inAdapterView(withTagValue(withStringMatching(FABPreferenceFragment.LIST_TAG)));
  }

  public static Matcher<Object> withSettingItemContent(String expectedText) {
    checkNotNull(expectedText);
    return withSettingItemContent(equalTo(expectedText));
  }


  @SuppressWarnings("rawtypes")
  public static Matcher<Object> withSettingItemContent(final Matcher<String> itemTextMatcher) {
    checkNotNull(itemTextMatcher);
    return new BoundedMatcher<Object, SettingItem>(SettingItem.class) {
      @Override
      public boolean matchesSafely(SettingItem settingItem) {
        return itemTextMatcher.matches(settingItem.title);
      }

      @Override
      public void describeTo(Description description) {
        description.appendText("with SettingItem title: ");
        itemTextMatcher.describeTo(description);
      }
    };
  }

  public static Matcher<Object> withDialogListContent(String expectedText) {
    checkNotNull(expectedText);
    return withDialogListContent(equalTo(expectedText));
  }


  @SuppressWarnings("rawtypes")
  public static Matcher<Object> withDialogListContent(final Matcher<String> itemTextMatcher) {
    checkNotNull(itemTextMatcher);
    return new BoundedMatcher<Object, String>(String.class) {
      @Override
      public boolean matchesSafely(String value){
        return itemTextMatcher.matches(value);
      }

      @Override
      public void describeTo(Description description) {
        description.appendText("with Dialog List Content: ");
        itemTextMatcher.describeTo(description);
      }
    };
  }


  public static Matcher<Object> withStringMatching(String expectedText) {
    checkNotNull(expectedText);
    return withStringMatching(equalTo(expectedText));
  }


  @SuppressWarnings("rawtypes")
  public static Matcher<Object> withStringMatching(final Matcher<String> itemTextMatcher) {
    checkNotNull(itemTextMatcher);
    return new BoundedMatcher<Object, String>(String.class) {
      @Override
      public boolean matchesSafely(String string) {
        return itemTextMatcher.matches(string);
      }

      @Override
      public void describeTo(Description description) {
        description.appendText("with string: ");
        itemTextMatcher.describeTo(description);
      }
    };
  }

}

someTest.java

package nz.org.winters.android.nzmobileaccountwidget.tests.setup;


// NOTE THIS IS INCOMPLETE, ONLY AND EXAMPLE
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.graphics.Color;
import android.preference.Preference;
import android.preference.PreferenceManager;
import android.support.test.InstrumentationRegistry;
import android.support.test.espresso.DataInteraction;
import android.support.test.espresso.action.ViewActions;
import android.support.test.espresso.matcher.BoundedMatcher;
import android.support.test.espresso.matcher.ViewMatchers;
import android.support.test.rule.ActivityTestRule;
import android.support.test.runner.AndroidJUnit4;
import android.util.Log;
import android.widget.CheckedTextView;

import org.hamcrest.Description;
import org.hamcrest.Matcher;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;

import java.text.MessageFormat;


import static android.support.test.espresso.Espresso.onData;
import static android.support.test.espresso.Espresso.onView;
import static android.support.test.espresso.Espresso.pressBack;
import static android.support.test.espresso.action.ViewActions.clearText;
import static android.support.test.espresso.action.ViewActions.click;
import static android.support.test.espresso.action.ViewActions.typeText;
import static android.support.test.espresso.assertion.ViewAssertions.matches;
import static android.support.test.espresso.matcher.PreferenceMatchers.withKey;
import static android.support.test.espresso.matcher.PreferenceMatchers.withSummary;
import static android.support.test.espresso.matcher.PreferenceMatchers.withSummaryText;
import static android.support.test.espresso.matcher.ViewMatchers.assertThat;
import static android.support.test.espresso.matcher.ViewMatchers.hasSibling;
import static android.support.test.espresso.matcher.ViewMatchers.isChecked;
import static android.support.test.espresso.matcher.ViewMatchers.isCompletelyDisplayed;
import static android.support.test.espresso.matcher.ViewMatchers.isDisplayed;
import static android.support.test.espresso.matcher.ViewMatchers.isEnabled;
import static android.support.test.espresso.matcher.ViewMatchers.withChild;
import static android.support.test.espresso.matcher.ViewMatchers.withClassName;
import static android.support.test.espresso.matcher.ViewMatchers.withContentDescription;
import static android.support.test.espresso.matcher.ViewMatchers.withId;
import static android.support.test.espresso.matcher.ViewMatchers.withParent;
import static android.support.test.espresso.matcher.ViewMatchers.withText;
import static com.google.android.apps.common.testing.deps.guava.base.Preconditions.checkNotNull;
import static nz.org.winters.android.widgetscommon.tests.CustomMatchers.onSettingRow;
import static nz.org.winters.android.widgetscommon.tests.CustomMatchers.withSettingItemContent;
import static org.hamcrest.Matchers.allOf;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.instanceOf;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.not;
import static org.hamcrest.Matchers.notNullValue;

/**
 * Created by mathew on 5/05/15.
 */
@SuppressWarnings({"unchecked", "FieldCanBeLocal"})
@RunWith(AndroidJUnit4.class)
public class AccountSettingsTest {
  private static final String TITLE_ACCOUNTS = "Accounts";
  private static final String ACCOUNT_1_NAME = "Bob Smith";
  private static final String ACCOUNT_1_USERNAME = "BOBSUSERNAME";
  private static final String ACCOUNT_1_PASSWORD = "would you like to know";
  private static final String COLOUR_ORANGE_CONTENT_DESCRIPTION = "Colour 7";
  private static final int COLOUR_ORANGE = 0xffff8800;

  private static final String COLOUR_CONTENT_DESCRIPTION = "Colour ";

  //SettingGroupListActivity_.intent(this).accountId(mAccountId).appWidgetId(mAppWidgetId).startForResult(REQUEST_CODE_SETTINGS_FINISHED);
  @SuppressWarnings("unchecked")
  @Before
  public void onBefore(){
    assertThat(InstrumentationRegistry.getContext(), is(notNullValue()));
    assertThat(InstrumentationRegistry.getTargetContext(), is(notNullValue()));

    Intent intent = new Intent();
    intent.putExtra(SettingGroupListActivity_.ACCOUNT_ID_EXTRA, accountId1);
    testCase.launchActivity(intent);
    context = testCase.getActivity();

    preferences = PreferenceManager.getDefaultSharedPreferences(context);

  }


  @Rule
  public ActivityTestRule<SettingGroupListActivity_> testCase = new ActivityTestRule<>(SettingGroupListActivity_.class, false, false);


  private Context context;
  SharedPreferences preferences;

  @SuppressWarnings("unchecked")
  @Test()
  public void testAccountSettings() {

    onView(allOf(withParent(withId(R.id.toolbar)), withText(R.string.settings))).check(matches(isDisplayed()));


    onSettingRow(SettingsConstants.PREF_GENERAL).check(matches(isCompletelyDisplayed()));
    onSettingRow(SettingsConstants.PREF_ACCOUNTS).check(matches(isCompletelyDisplayed()));
    onSettingRow(SettingsConstants.PREF_LICENSE).check(matches(isCompletelyDisplayed()));


    onPreferenceRow(SettingsConstants.PREF_USE_WIFI_ONLY).check(matches(isDisplayed()));
        onPreferenceRow(SettingsConstants.PREF_USE_WIFI_ONLY).onChildView(withClassName(is(Switch.class.getName()))).check(matches(not(isChecked())));
    onPreferenceRow(SettingsConstants.PREF_NUMBERFORMATLOCALE).check(matches(isDisplayed()));
    onPreferenceRow(SettingsConstants.PREF_UPDATE_WHEN).check(matches(isDisplayed()));
    onPreferenceRow(SettingsConstants.PREF_QUIET_TIME).check(matches(isDisplayed()));
    onPreferenceRow(SettingsConstants.PREF_ERROR_REPORTING).check(matches(isDisplayed()));

  }
}