Rest Assured - can't POST with Parameters and Body

java rest rest-assured
Jake Walsh picture Jake Walsh · Aug 24, 2012 · Viewed 27.2k times · Source

I'm testing a REST api using Rest Assured. I'm running into an error when trying to POST with both a parameter in the url and body content. This works correctly when testing manually. Removing the parameter form the url is not an option

Test Code:

String endpoint = http://localhost:8080/x/y/z/id?custom=test;
String body = "[{\"boolField\":true,\"intField\":991},
                {\"boolField\":false,\"intField\":998}]";
expect().spec(OK).given().body(body).post(endpoint);

Which throws the following error when run

You can either send parameters OR body content in the POST, not both!

java.lang.IllegalStateException: You can either send parameters OR body content in the POST, not both!
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at org.codehaus.groovy.reflection.CachedConstructor.invoke(CachedConstructor.java:77)
at org.codehaus.groovy.runtime.callsite.ConstructorSite$ConstructorSiteNoUnwrapNoCoerce.callConstructor(ConstructorSite.java:102)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callConstructor(AbstractCallSite.java:198)
at com.jayway.restassured.internal.RequestSpecificationImpl.sendRequest(RequestSpecificationImpl.groovy:282)
at com.jayway.restassured.internal.RequestSpecificationImpl.this$2$sendRequest(RequestSpecificationImpl.groovy)
at com.jayway.restassured.internal.RequestSpecificationImpl$this$2$sendRequest.callCurrent(Unknown Source)
at com.jayway.restassured.internal.RequestSpecificationImpl.post(RequestSpecificationImpl.groovy:83)
...

Why does Rest Assured not allow both parameters and body content in a POST?

Answer

Johan picture Johan · Aug 28, 2012

You need to specify the parameter as queryParameter and not "param" or "parameter". Param for POST will default to form parameters which are sent in the request body.

I.e.

given().
        queryParam("name, "value").
        body(..).
when().
        post(..);

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