package com.epam.wilma.stubconfig.dom.parser.node.helper;
/*==========================================================================
Copyright 2013-2017 EPAM Systems
This file is part of Wilma.
Wilma is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Wilma is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Wilma. If not, see <http://www.gnu.org/licenses/>.
===========================================================================*/
import static org.mockito.BDDMockito.given;
import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathConstants;
import javax.xml.xpath.XPathExpression;
import javax.xml.xpath.XPathExpressionException;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;
import org.testng.Assert;
import org.testng.annotations.BeforeMethod;
import org.testng.annotations.Test;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import com.epam.wilma.domain.stubconfig.exception.DescriptorCannotBeParsedException;
/**
* Provides unit tests for the class {@link StubConfigXPathEvaluator}.
* @author Tunde_Kovacs
*
*/
public class StubConfigXPathEvaluatorTest {
@Mock
private Document document;
@Mock
private Element element;
@Mock
private NameSpaceProvider nameSpaceProvider;
@Mock
private XPathProvider xPathProvider;
@Mock
private XPath xPath;
@Mock
private XPathExpression xPathExpression;
@Mock
private Element node;
@InjectMocks
private StubConfigXPathEvaluator underTest;
@BeforeMethod
public void setUp() {
MockitoAnnotations.initMocks(this);
given(xPathProvider.getXPath()).willReturn(xPath);
}
@Test
public void testGetElementByXPathShouldReturnElement() throws XPathExpressionException {
//GIVEN
String expression = "";
given(xPath.compile(expression)).willReturn(xPathExpression);
given(xPathExpression.evaluate(document, XPathConstants.NODE)).willReturn(node);
given(node.getNodeType()).willReturn(Node.ELEMENT_NODE);
//WHEN
Element actual = underTest.getElementByXPath(expression, document);
//THEN
Assert.assertEquals(actual, node);
}
@Test
public void testGetElementByXPathWhenResultIsNotElementShouldReturnNull() throws XPathExpressionException {
//GIVEN
String expression = "";
given(xPath.compile(expression)).willReturn(xPathExpression);
given(xPathExpression.evaluate(document, XPathConstants.NODE)).willReturn(node);
given(node.getNodeType()).willReturn(Node.COMMENT_NODE);
//WHEN
Element actual = underTest.getElementByXPath(expression, document);
//THEN
Assert.assertEquals(actual, null);
}
@Test(expectedExceptions = DescriptorCannotBeParsedException.class)
public void testGetElementByXPathWhenExpressionIsInvalidShouldThrowException() throws XPathExpressionException {
//GIVEN
String expression = "";
given(xPath.compile(expression)).willThrow(new XPathExpressionException("exception"));
//given(xPathExpression.evaluate(document, XPathConstants.NODE)).willReturn(node);
//WHEN
underTest.getElementByXPath(expression, document);
//THEN
}
}