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Testing web services (SOAP)PIOTR BOHO
SENIOR TEST AUTOMATION ENGINEER IN KAINOS
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Agenda1. What is SOAP webservice – tester perspective
2. Manual testing approach
3. Pro / cons manual tests
4. Automated testing approach:1. text2. XML3. Object
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What is SOAP webserviceComunication
<request>
Webservicehttp://endpoint
OperationAAAOperationBBB
<response>
Client SOAP
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What is SOAP webservicerequest response
<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/" > <soap:Body> <GetWeather xmlns="http://www.webserviceX.NET"> <CityName>gdansk</CityName> <CountryName>poland</CountryName> </GetWeather> </soap:Body></soap:Envelope>
<soap:Envelope ...><CurrentWeather> <Location>Gdansk-Rebiechowo, Poland (EPGD) 54-23N 018-28E 138M</Location> <Time>Jun 08, 2015 - 06:00 AM EDT</Time> <Wind>from the NW</Wind> <Visibility>greater than 7 mile(s):0</Visibility> <SkyConditions>partly cloudy</SkyConditions> <Temperature>60 F (16 C)</Temperature> <RelativeHumidity>51%</RelativeHumidity> <Pressure>30.30 in. Hg (1026 hPa)</Pressure> <Status>Success</Status></CurrentWeather>
payload
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Manual approach – when is sufficient
Valid payloads providedOne time testThe same version of contractArtifacts (WSDL or client stub classes) not available
TESTING WEB SERVICES (SOAP) - PIOTR BOHO 9
Manual approach – live scenarios
Requests with frequently changes data e.g. DateTest flow requires dependent webservise callsBig responses like 5MB to validate
TESTING WEB SERVICES (SOAP) - PIOTR BOHO 10
Manual approach - tests maintanance problem
Application under development changes !
Refactoring:◦ Namespaces◦ Tag names
Functional change:◦ Move element◦ Add element◦ change schema constraint :
optional/required, order of elements, number of elements, change type or pattern
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Programming approaches
1.Xml as text – string builders, parametrization, parsers regex,
2.Xml as DOM – DOM builders and xPath etc
3.Xml as serialized object – OOP and JAXB
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Payload as serialized object Request validation using schema from WSDL Get rid of XML as text – lets use OOP
◦ Early and strict change detection - Compiler
Preparing client stub:◦ java org.apache.axis.wsdl.WSDL2Java◦ wsimport from JDK◦ Maven cxf-codegen-plugin
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