ComboBoxSelectingTest.java

package com.vaadin.tests.components.combobox;

import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.MatcherAssert.assertThat;

import org.junit.Test;
import org.openqa.selenium.Keys;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.support.ui.ExpectedCondition;

import com.vaadin.testbench.By;
import com.vaadin.testbench.elements.ComboBoxElement;
import com.vaadin.testbench.elements.LabelElement;
import com.vaadin.testbench.parallel.BrowserUtil;
import com.vaadin.tests.tb3.MultiBrowserTest;

public class ComboBoxSelectingTest extends MultiBrowserTest {

    private ComboBoxElement comboBoxElement;

    @Override
    public void setup() throws Exception {
        super.setup();

        openTestURL();
        waitForElementPresent(By.className("v-filterselect"));
        comboBoxElement = $(ComboBoxElement.class).first();
    }

    @Test
    public void firstSuggestionIsSelectedWithEnter() {
        typeInputAndHitEnter("a");

        assertThatSelectedValueIs("a0");
    }

    @Test
    public void firstSuggestionIsSelectedWithTab() {
        typeInputAndHitTab("a");

        assertThatSelectedValueIs("a0");
    }

    @Test
    public void nullIsSelected() {
        typeInputAndHitEnter("a");
        assertThatSelectedValueIs("a0");

        clearInputAndHitEnter();

        assertThatSelectedValueIs("", "null");
    }

    @Test
    public void itemFromSecondPageIsSelected() {
        typeInputAndHitEnter("a20");

        assertThatSelectedValueIs("a20");
    }

    @Test
    public void selectingNullFromSecondPage() {
        typeInputAndHitEnter("a20");
        assertThatSelectedValueIs("a20");

        clearInputAndHitEnter();
        assertThatSelectedValueIs("", "null");
    }

    @Test
    public void selectionRemainsAfterOpeningPopup() {
        typeInputAndHitEnter("a20");
        assertThatSelectedValueIs("a20");

        openPopup();
        assertThatSelectedValueIs("a20");
    }

    @Test
    public void noSelectionAfterMouseOut() {
        typeInputAndHitEnter("a20");
        comboBoxElement.sendKeys(Keys.ARROW_DOWN, Keys.ARROW_DOWN);

        findElement(By.className("v-app")).click();

        assertThatSelectedValueIs("a20");
    }

    @Test
    public void cancelResetsSelection() {
        sendKeysToInput("a20");
        cancelSelection();

        assertThatSelectedValueIs("");
    }

    @Test
    public void inputFieldResetsToSelectedText() {
        typeInputAndHitEnter("z5");

        sendKeysToInput(Keys.BACK_SPACE, Keys.BACK_SPACE);
        cancelSelection();

        assertThatSelectedValueIs("z5");
    }

    @Test
    public void emptyValueIsSelectedWithTab() {
        typeInputAndHitEnter("z5");

        assertThatSelectedValueIs("z5");
        // longer delay for this one because otherwise it keeps failing when run
        // on local machine
        int delay = 200;
        if (BrowserUtil.isPhantomJS(getDesiredCapabilities())) {
            delay = 500;
        }
        comboBoxElement.sendKeys(delay, Keys.BACK_SPACE, Keys.BACK_SPACE,
                Keys.TAB);
        assertThatSelectedValueIs("", "null");

        sendKeysToInput("z5");
        cancelSelection();
        assertThatSelectedValueIs("", "null");
    }

    @Test
    public void arrowNavigatedValueIsSelectedWithEnter() {
        sendKeysToInput("z");
        sendKeysToInput(Keys.DOWN, Keys.DOWN, getReturn());

        assertThatSelectedValueIs("z2");
    }

    @Test
    public void arrowNavigatedValueIsSelectedWithTab() {
        sendKeysToInput("z");
        sendKeysToInput(Keys.DOWN, Keys.DOWN, Keys.TAB);

        assertThatSelectedValueIs("z2");
    }

    private void clearInputAndHitEnter() {
        sendKeysToInput(Keys.BACK_SPACE, Keys.BACK_SPACE, Keys.BACK_SPACE);
        sendKeysToInput(getReturn());
    }

    private void typeInputAndHitEnter(String input) {
        clearInputAndType(input);
        sendKeysToInput(getReturn());
    }

    private void typeInputAndHitTab(String input) {
        clearInputAndType(input);
        sendKeysToInput(Keys.TAB);
    }

    private void clearInputAndType(String input) {
        comboBoxElement.clear();
        sendKeysToInput(input);
    }

    private void sendKeysToInput(CharSequence... keys) {
        comboBoxElement.sendKeys(keys);
    }

    private Keys getReturn() {
        if (BrowserUtil.isPhantomJS(getDesiredCapabilities())) {
            return Keys.ENTER;
        } else {
            return Keys.RETURN;
        }
    }

    private void openPopup() {
        // Need to wait to make sure popup is closed first.
        try {
            Thread.sleep(10);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        comboBoxElement.openPopup();
    }

    private void cancelSelection() {
        if (BrowserUtil.isFirefox(getDesiredCapabilities())) {
            findElement(By.className("v-app")).click();
        } else {
            sendKeysToInput(Keys.ESCAPE);
        }
    }

    private void assertThatSelectedValueIs(final String value) {
        assertThatSelectedValueIs(value, value);
    }

    private void assertThatSelectedValueIs(final String value,
            final String labelValue) {
        assertThat(comboBoxElement.getText(), is(value));

        waitUntil(new ExpectedCondition<Boolean>() {
            private String actualValue;

            @Override
            public Boolean apply(WebDriver input) {
                actualValue = $(LabelElement.class).id("value").getText();
                return actualValue.equals(labelValue);
            }

            @Override
            public String toString() {
                // Timed out after 10 seconds waiting for ...
                return String.format("label value to match '%s' (was: '%s')",
                        labelValue, actualValue);
            }
        });
    }
}