espresso_friendly_test.java

public class EspressoFriendlyExampleTest {

    private static final String TEST_ITEM_TITLE = "A test title";
    private static final String TEST_ITEM_DESCRIPTION = "A test description";
    private static final String TEST_FLAVOUR_TITLE = "A test flavour";
    private static final String TEST_ITEM_COPY_TITLE = "A test copy";
    private static final String TEST_ITEM_COPY_DESCRIPTION = "A test copy description";

    @Override
    protected void tearDown() throws Exception {
        super.tearDown();

        deleteItem(TEST_ITEM_TITLE);
        deleteItem(TEST_ITEM_COPY_TITLE);
        deleteFlavour(TEST_FLAVOUR_TITLE);
    }

    public void testCreateItem() {
        loginAsAdmin();

        selectAdminFunction(editorFunction());

        clickOn(addMenuItem());

        editItemName(TEST_ITEM_TITLE);
        editItemDescription(TEST_ITEM_DESCRIPTION);

        assertUserSees(TEST_ITEM_TITLE);
        assertUserSees(TEST_ITEM_DESCRIPTION);

        clickOn(firstButton());
        clickOn(secondButton();
        clickOn(saveMenuItem());

        assertUserSees(TEST_ITEM_TITLE);
    }

    protected void loginAsAdmin() {
        onView(withId(R.id.btn_login)).perform(click());
    }

    protected void selectAdminFunction(@StringRes int functionName) {
        onView(withText(R.string.admin_functions_title)).check(matches(isDisplayed()));
        onView(withText(functionName)).perform(click());
    }

    protected void clickOn(String text) {
        onView(withText(text)).perform(click());
    }

    protected void clickOn(@IdRes int viewId) {
        onView(withId(viewId)).perform(click());
    }

    protected int addMenuItem() {
        return R.id.menu_add;
    }

    protected int firstButton() {
        return R.id.btn_first;
    }

    protected int secondButton() {
        return R.id.btn_second;
    }

    protected void editItemName(String s) {
        clickOn(R.id.item_edit_title);
        onView(withId(R.id.edittext_edittext)).perform(clearText(), typeText(s), closeSoftKeyboard());
        clickOn(R.id.edittext_ok);
    }

    protected void editItemDescription(String s) {
        clickOn(R.id.item_edit_desc);
        onView(withId(R.id.edittext_edittext)).perform(clearText(), typeText(s), closeSoftKeyboard());
        clickOn(R.id.edittext_ok);
    }

    protected void assertUserSees(@NonNull Object object) {
        onView(withText(object.toString())).check(matches(isDisplayed()));
    }

    protected void assertUserSees(@IdRes int itemId) {
        onView(withId(itemId)).check(matches(isDisplayed()));
    }

}