Soap UI API Interview Question

 1- Difference between soap and rest API:

  • SOAP stands for Simple Object Access Protocol##REST stand for Representational State Transfer.
  • SOAP is a protocol. SOAP was designed with a specification. It includes a WSDL file that has the required information on what the web service does in addition to the location of the web service##REST is an Architectural style in which a web service can only be treated as a RESTful service if it follows the constraints of being
    1. Client Server
    2. Stateless
    3. Cacheable
    4. Layered System
    5. Uniform Interface
  • SOAP cannot make use of REST since SOAP is a protocol and REST is an architectural pattern.##REST can make use of SOAP as the underlying protocol for web services, because in the end it is just an architectural pattern.
  • SOAP can only work with XML format. As seen from SOAP messages, all data passed is in XML format.##REST permits different data format such as Plain text, HTML, XML, JSON, etc. But the most preferred format for transferring data is JSON.
2-SOAP Response Messages(Link: https://developer.mozilla.org/en-US/docs/Web/HTTP/Status)
Search in google: HTTP response status codes


Success Codes

  • 200 OK When a SOAP operation generates a response SOAP message, the HTTP response code for successful processing is 200 OK. This response code indicates that the reply message is not a fault, that it does contain a normal SOAP response message.
  • 202 Accepted This response code means that the request was processed successfully but that there is no SOAP response data. This type of SOAP operation is similar to a Java method that has a return type of void.
  • The HTTP 201 Created success status response code indicates that the request has succeeded and has led to the creation of a resource. ... The common use case of this status code is as the result of a POST request.

Error Codes

  • 400 Bad Request This error code is used to indicate that either the HTTP request or the XML in the SOAP message was not well formed.

  • 500 Internal Server Error This code must be used when the response message in a Request/Response MEP is a SOAP fault.
  • 504-gate way timeout error, for page crash then
  • 503-services is not available

  • 415 Unsupported Media Type HTTP POST messages must include a Content-Type header with a value of text/xml. If it's any other value, the server must return a 415 Unsupported Media Type error.

  • 405 Method Not Allowed If a Web service receives a SOAP message via any HTTP method other than HTTP POST, the service should return a 405 Method Not Allowed error to the sender.
  • The 401 Unauthorized Error is an HTTP response status code indicating that the request sent by the client could not be authenticated.
  • 404:bad request in body mistake
  • 402:the request page is not available
  • 403-forbidden
3-WADL & WSDL difference?
  • Web Services Description Language #Web Application Description Language
  • WSDL is an XML language for describing web services. Used to describe SOAP-based web services. #WADL is an XML file-format . It is an XML vocabulary for expressing the behavior of HTTP resources. It is an XML to describe RESTful web services.
  • Only XML Parameter#Not a standard

4-Swagger-Swagger is an Interface Description Language for describing RESTful APIs expressed using JSON. Swagger is used together with a set of open-source software tools to design, build, document, and use RESTful web services. 
Https validation.we do function validation

5-any defects from swagger? functional defect,tag is not available in section
--testing for HTTP working fine for swagger
---HTTPS we need to change field any drop-down option, swagger document gor for https.


5- Remove NS1: id and NS2: id in XML?

open notepad++ > click find> Select Regular Expression in button>Click Replace tab> 
In place Find what: entered ns1expression
Replace With keep blank> click on Replace All.
The same things do for ns2 also.

For ns1:<ns1:id>[A-z 0-9]*<\/ns1:id>
For ns2: <ns2:id>[A-z 0-9]*<\/ns2:id>

6-Past a new xml what critera we need to follow?
1-Remove ns1 and ns2 id
2-Remove global id
3-remove locale id
4-Enter unquie code




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