Java tutorial
/* * Copyright 2016 Alexei Barantsev * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package ru.stqa.selenium.decorated; import org.junit.jupiter.api.Test; import org.openqa.selenium.Alert; import org.openqa.selenium.WebDriver; import org.openqa.selenium.WebElement; import java.util.function.Consumer; import java.util.function.Function; import static org.hamcrest.CoreMatchers.not; import static org.hamcrest.CoreMatchers.sameInstance; import static org.hamcrest.MatcherAssert.assertThat; import static org.mockito.Mockito.*; class DecoratedTargetLocatorTest { private static class Fixture { WebDriver mockedDriver; DecoratedWebDriver decoratedDriver; WebDriver.TargetLocator mocked; DecoratedTargetLocator decorated; public Fixture() { mockedDriver = mock(WebDriver.class); decoratedDriver = new DecoratedWebDriver(mockedDriver); mocked = mock(WebDriver.TargetLocator.class); decorated = new DecoratedTargetLocator(mocked, decoratedDriver); } } @Test void testConstructor() { Fixture fixture = new Fixture(); assertThat(fixture.mocked, sameInstance(fixture.decorated.getOriginal())); assertThat(fixture.decoratedDriver, sameInstance(fixture.decorated.getTopmostDecorated())); } private <R> void verifyDecoratingFunction(Function<WebDriver.TargetLocator, WebDriver> f) { Fixture fixture = new Fixture(); when(f.apply(fixture.mocked)).thenReturn(fixture.mockedDriver); WebDriver proxy = f.apply(fixture.decorated); assertThat(fixture.mockedDriver, not(sameInstance(proxy))); f.apply(verify(fixture.mocked, times(1))); verifyNoMoreInteractions(fixture.mocked); proxy.quit(); verify(fixture.mockedDriver, times(1)).quit(); verifyNoMoreInteractions(fixture.mockedDriver); } private <R> void verifyDecoratingFunction(Function<WebDriver.TargetLocator, R> f, R result, Consumer<R> p) { Fixture fixture = new Fixture(); when(f.apply(fixture.mocked)).thenReturn(result); R proxy = f.apply(fixture.decorated); assertThat(result, not(sameInstance(proxy))); f.apply(verify(fixture.mocked, times(1))); verifyNoMoreInteractions(fixture.mocked); p.accept(proxy); p.accept(verify(result, times(1))); verifyNoMoreInteractions(result); } @Test void testWindow() { verifyDecoratingFunction($ -> $.window("test")); } @Test void testFrameByIndex() { verifyDecoratingFunction($ -> $.frame(3)); } @Test void testFrameByString() { verifyDecoratingFunction($ -> $.frame("test")); } @Test void testFrameByReference() { final WebElement frame = mock(WebElement.class); verifyDecoratingFunction($ -> $.frame(frame)); } @Test void testParentFrame() { verifyDecoratingFunction(WebDriver.TargetLocator::parentFrame); } @Test void testDefaultContent() { verifyDecoratingFunction(WebDriver.TargetLocator::defaultContent); } @Test void testActiveElement() { WebElement active = mock(WebElement.class); verifyDecoratingFunction(WebDriver.TargetLocator::activeElement, active, WebElement::click); } @Test void testAlert() { Alert alert = mock(Alert.class); verifyDecoratingFunction(WebDriver.TargetLocator::alert, alert, Alert::dismiss); } }