8000 Added $("").filter(<PREDICATE>) +begun implementing FilterFunction #97 · seleniumQuery/seleniumQuery@d4d72ab · GitHub
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Added $("").filter(<PREDICATE>) +begun implementing FilterFunction #97 
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‎src/main/java/io/github/seleniumquery/SeleniumQueryObject.java

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package io.github.seleniumquery;
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import com.google.common.base.Predicate;
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import io.github.seleniumquery.functions.SeleniumQueryFunctions;
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import io.github.seleniumquery.functions.as.SeleniumQueryPlugin;
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import io.github.seleniumquery.functions.as.StandardPlugins;
@@ -632,4 +633,15 @@ public String toString() {
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return this.by.toString();
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}
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/**
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* Reduce the set of matched elements to those that pass the predicate's test.
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*
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* @param filterFunction A predicate used as a test for each element in the set.
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* @return An object with the elements that passed the predicate's test.
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* @since 0.11.0
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*/
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public SeleniumQueryObject filter(Predicate<WebElement> filterFunction) {
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return seleniumQueryFunctions.filterFunction(this, filterFunction);
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}
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}

‎src/main/java/io/github/seleniumquery/functions/SeleniumQueryFunctions.java

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package io.github.seleniumquery.functions;
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import com.google.common.base.Predicate;
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import io.github.seleniumquery.SeleniumQueryObject;
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import io.github.seleniumquery.functions.jquery.attributes.PropFunction;
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import io.github.seleniumquery.functions.jquery.forms.ValFunction;
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import io.github.seleniumquery.functions.jquery.traversing.filtering.FilterFunction;
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import org.openqa.selenium.WebElement;
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public class SeleniumQueryFunctions {
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return ValFunction.val(seleniumQueryObject, seleniumQueryObject.get(), value);
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}
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public SeleniumQueryObject filterFunction(SeleniumQueryObject seleniumQueryObject, Predicate<WebElement> filterFunction) {
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return new FilterFunction().filter(seleniumQueryObject, filterFunction);
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}
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}

‎src/main/java/io/github/seleniumquery/functions/jquery/traversing/filtering/FilterFunction.java

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/*
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* Copyright (c) 2015 seleniumQuery authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package io.github.seleniumquery.functions.jquery.traversing.filtering;
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import com.google.common.base.Predicate;
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import io.github.seleniumquery.SeleniumQueryObject;
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import org.openqa.selenium.WebElement;
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public class FilterFunction {
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public SeleniumQueryObject filter(SeleniumQueryObject seleniumQueryObject, Predicate<WebElement> filterFunction) {
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return seleniumQueryObject;
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}
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}

‎src/test/java/io/github/seleniumquery/SeleniumQueryObjectTest.java

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package io.github.seleniumquery;
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import com.google.common.base.Predicate;
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import io.github.seleniumquery.functions.SeleniumQueryFunctions;
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import org.junit.Test;
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import org.openqa.selenium.WebElement;
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import static org.hamcrest.CoreMatchers.is;
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import static org.hamcrest.MatcherAssert.assertThat;
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import static org.mockito.BDDMockito.given;
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import static org.mockito.Mockito.mock;
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import static testinfrastructure.testdouble.Dummies.createDummyWebElementPredicate;
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import static testinfrastructure.testdouble.SeleniumQueryObjectMother.createDummySeleniumQueryObject;
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import static testinfrastructure.testdouble.SeleniumQueryObjectMother.createStubSeleniumQueryObjectWithSeleniumQueryFunctions;
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assertThat(returnedObject, is(configuredReturningObject));
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}
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@Test
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public void filterFunction() {
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// given
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SeleniumQueryFunctions seleniumQueryFunctions = createMockSeleniumQueryFunctions();
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SeleniumQueryObject seleniumQueryObject = createStubSeleniumQueryObjectWithSeleniumQueryFunctions(seleniumQueryFunctions);
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SeleniumQueryObject configuredReturningObject = createDummySeleniumQueryObject();
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Predicate<WebElement> filterFunction = createDummyWebElementPredicate();
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given(seleniumQueryFunctions.filterFunction(seleniumQueryObject, filterFunction)).willReturn(configuredReturningObject);
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// when
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SeleniumQueryObject returnedObject = seleniumQueryObject.filter(filterFunction);
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// then
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assertThat(returnedObject, is(configuredReturningObject));
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}
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}

‎src/test/java/io/github/seleniumquery/functions/jquery/traversing/filtering/FilterFunctionTest.java

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/*
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* Copyright (c) 2015 seleniumQuery authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package io.github.seleniumquery.functions.jquery.traversing.filtering;
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import com.google.common.base.Predicate;
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import io.github.seleniumquery.SeleniumQueryObject;
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import org.junit.Test;
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import org.openqa.selenium.WebElement;
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import testinfrastructure.testdouble.Dummies;
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import testinfrastructure.testdouble.SeleniumQueryObjectMother;
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import static org.hamcrest.collection.IsIterableContainingInAnyOrder.containsInAnyOrder;
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import static org.junit.Assert.assertThat;
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public class FilterFunctionTest {
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private static final Predicate<WebElement> NULL_PREDICATE = null;
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FilterFunction filterFunction = new FilterFunction();
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@Test
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public void filter_null_should_return_same_elements() {
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// given
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WebElement dummyWebElement = Dummies.createDummyWebElement();
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WebElement dummyWebElement2 = Dummies.createDummyWebElement();
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SeleniumQueryObject sqo = SeleniumQueryObjectMother.createStubSeleniumQueryObjectWithElements(dummyWebElement, dummyWebElement2);
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// when
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SeleniumQueryObject filteredObject = filterFunction.filter(sqo, NULL_PREDICATE);
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// then
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assertThat(filteredObject.get(), containsInAnyOrder(dummyWebElement, dummyWebElement2));
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}
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}

‎src/test/java/testinfrastructure/testdouble/Dummies.java

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package testinfrastructure.testdouble;
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import com.google.common.base.Predicate;
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import org.mockito.invocation.InvocationOnMock;
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import org.mockito.stubbing.Answer;
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import org.openqa.selenium.By;
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return createDummy(WebElement.class);
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}
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@SuppressWarnings("unchecked")
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public static Predicate<WebElement> createDummyWebElementPredicate() {
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return createDummy(Predicate.class);
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}
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}

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