Re: [EXTERNAL] Re: %test:assertXPath help

Joe Wicentowski <[email protected]>
Newsgroups gmane.text.xml.exist
Message-ID <CAHwerk0SskxiEGpUPbxgUqRUEod5+Fz8A2oaA8wRKTO_wT_dvA@mail.gmail.com> 
Hi Bernie,

When I said:

> Since your function's return value doesn't associate <html> with any
namespace prefix - only a namespace URI - then you should construct your
%assertXPath annotations with the expectation that elements have a default
namespace of "http://www.w3.org/1999/xhtml".

... I was conveying how I expected XQSuite *should* work.

But upon closer examination, I see that XQSuite does *not* provide
%test:assertXPath annotation with any mechanism to address elements whose
namespace is not bound to a namespace prefix.

For situations such as the one you raised, you are currently limited to
wildcards.

I will submit a PR fixing this - adjusting XQSuite to work as I originally
described. With the PR, you'll be able to use annotations like:

  %test:assertXPath("$result/self::html")
  %test:assertXPath("$result/head[title = 'Bad Request']")
  %test:assertXPath("$result/body/p[@class = 'ErrorMessage']")

(Note here that $result is the <html> element, not a container around it.
Thus, the expressions are slightly different from your originals.)

Joe

On Wed, Mar 15, 2023 at 9:23 AM Harris, Bernard T. (GSFC-5870) via
Exist-open <[email protected]> wrote:

> Thanks for the suggestions.  If I replace the import statement with the
> declaration of the test namespace, I get
>
>
>
> Cannot compile xquery: err:XPST0017 Call to undeclared function: test:suite
>
>
>
> Your other suggestion to simplify the assertXPath expression might work on
> this simple case, but I actually want to get the assertXPath working for
> other, more complicated, functions.  I was trying to get this simple case
> working before using assertXPath on other, more important and complex
> functions.  Any other suggestions?  Thanks.
>
>
>
> Bernie
>
>
>
> *From: *Juri Leino <[email protected]>
> *Date: *Wednesday, March 15, 2023 at 8:58 AM
> *To: *"Harris, Bernard T. (GSFC-5870)" <[email protected]>
> *Cc: *"[email protected]" <[email protected]
> >
> *Subject: *[EXTERNAL] Re: [Exist-open] %test:assertXPath help
>
>
>
> Hi Bernard!
>
> I would replace
>
>
> import module namespace test="http://exist-db.org/xquery/xqsuite" <https://gcc02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fexist-db.org%2Fxquery%2Fxqsuite&data=05%7C01%7Cbernard.t.harris%40nasa.gov%7C9d7457058d8446cbad0408db2554e211%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C638144819057640707%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000%7C%7C%7C&sdata=U5DOAQhB5y9KN7wqqPMM8RkiydlgrTZTdsggwc65fgU%3D&reserved=0>
>
> at "resource:org/exist/xquery/lib/xqsuite/xqsuite.xql";
>
>
> with
>
> declare namespace test="http://exist-db.org/xquery/xqsuite"
> <https://gcc02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fexist-db.org%2Fxquery%2Fxqsuite&data=05%7C01%7Cbernard.t.harris%40nasa.gov%7C9d7457058d8446cbad0408db2554e211%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C638144819057640707%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000%7C%7C%7C&sdata=U5DOAQhB5y9KN7wqqPMM8RkiydlgrTZTdsggwc65fgU%3D&reserved=0>
> ;
>
> Now to your actual problem:
>
> The namespace declared in the testsuite is very likely not seen by
> XQSuite.
> This is non-obvious. The reason for this is that test argument and
> assertion annotation values
> are string literals that get cast to the expected type in the context of
> the XQSuite module
> *and not in the context of the testsuite*.
>
> Many tests in exist-db core serialize XML an assert that the result
> *string* matches the expected
> value instead of which could be a workaround for your tests as well.
>
> In your case it might be easiest to just return the evaluated xpath from
> the testcase and to assert the strings equal
>
>
> declare
>
>     %test:arg("error", "Bad Request")
>
>     %test:arg("description", "Invalid ResourceID")
>
>     %test:arg("extraHtml")
>
>     %test:assertXPath("Bad Request")
>
> function local:errorHtml(
>
>     $error as xs:string,
>
>     $description as xs:string,
>
>     $extraHtml as node()?)
>
> as node()
>
> {
>
>     let $result :=
>
>         <html xmlns="http://www.w3.org/1999/xhtml" <https://gcc02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.w3.org%2F1999%2Fxhtml&data=05%7C01%7Cbernard.t.harris%40nasa.gov%7C9d7457058d8446cbad0408db2554e211%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C638144819057640707%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000%7C%7C%7C&sdata=5%2BmCXRysPA%2BvDWJjLhfFaP2WawF1h3bfLP3W3R5liZM%3D&reserved=0> lang="en" xml:lang="en">
>
>             <head>
>
>                 <title>{$error}</title>
>
>             </head>
>
>             <body>
>
>                 <p class='ErrorMessage'><b>Message: </b>{$error}</p>
>
>                 <p class='ErrorDescription'><b>Description: </b>{$description}</p>
>
>                 {$extraHtml}
>
>             </body>
>
>         </html>
>
>     return
>
>         $result/xhtml:html/xhtml:body/xhtml:p[@class = 'ErrorMessage']
>
> };
>
>
>
>
>
>
>
> Harris, Bernard T. (GSFC-5870) via Exist-open wrote on 14.03.23 13:35:
>
> No matter what I do, I cannot get a useful (more than "$result") %:assertXPath to work in this case
>
>
>
> xquery version "3.1";
>
>
>
> import module namespace inspect="http://exist-db.org/xquery/inspection" <https://gcc02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fexist-db.org%2Fxquery%2Finspection&data=05%7C01%7Cbernard.t.harris%40nasa.gov%7C9d7457058d8446cbad0408db2554e211%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C638144819057640707%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000%7C%7C%7C&sdata=r2hdSedYSS7asVgMnvy7WmZpZlqk%2FpZv%2BPCBfr%2Fz1QQ%3D&reserved=0>;
>
> import module namespace test="http://exist-db.org/xquery/xqsuite" <https://gcc02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fexist-db.org%2Fxquery%2Fxqsuite&data=05%7C01%7Cbernard.t.harris%40nasa.gov%7C9d7457058d8446cbad0408db2554e211%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C638144819057640707%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000%7C%7C%7C&sdata=U5DOAQhB5y9KN7wqqPMM8RkiydlgrTZTdsggwc65fgU%3D&reserved=0>
>
> at "resource:org/exist/xquery/lib/xqsuite/xqsuite.xql";
>
>
>
> declare namespace xhtml = "http://www.w3.org/1999/xhtml" <https://gcc02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.w3.org%2F1999%2Fxhtml&data=05%7C01%7Cbernard.t.harris%40nasa.gov%7C9d7457058d8446cbad0408db2554e211%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C638144819057640707%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000%7C%7C%7C&sdata=5%2BmCXRysPA%2BvDWJjLhfFaP2WawF1h3bfLP3W3R5liZM%3D&reserved=0>;
>
>
>
> declare
>
>     %test:arg("error", "Bad Request")
>
>     %test:arg("description", "Invalid ResourceID")
>
>     %test:arg("extraHtml")
>
>         %test:assertXPath("$result//*:html")
>
>     (:
>
>         %test:assertXPath("$result//*:html/*:head[*:title = 'Bad Request']")
>
>         %test:assertXPath("$result/xhtml:html/xhtml:body/xhtml:p[@class = 'ErrorMessage']")
>
>     :)
>
> function local:errorHtml(
>
>     $error as xs:string,
>
>     $description as xs:string,
>
>     $extraHtml as node()?)
>
> as node()
>
> {
>
>     let $result :=
>
>         <html xmlns="http://www.w3.org/1999/xhtml" <https://gcc02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.w3.org%2F1999%2Fxhtml&data=05%7C01%7Cbernard.t.harris%40nasa.gov%7C9d7457058d8446cbad0408db2554e211%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C638144819057640707%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000%7C%7C%7C&sdata=5%2BmCXRysPA%2BvDWJjLhfFaP2WawF1h3bfLP3W3R5liZM%3D&reserved=0> lang="en" xml:lang="en">
>
>             <head>
>
>                 <title>{$error}</title>
>
>             </head>
>
>             <body>
>
>                 <p class='ErrorMessage'><b>Message: </b>{$error}</p>
>
>                 <p class='ErrorDescription'><b>Description: </b>{$description}</p>
>
>                 {$extraHtml}
>
>             </body>
>
>         </html>
>
>     return
>
>         $result
>
> };
>
>
>
> let $f := local:errorHtml#3
>
> return
>
>     test:suite($f)
>
>
>
>
>
> It always results in
>
>
>
> <testsuites>
>
>     <testsuite package="http://www.w3.org/2005/xquery-local-functions" <https://gcc02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.w3.org%2F2005%2Fxquery-local-functions&data=05%7C01%7Cbernard.t.harris%40nasa.gov%7C9d7457058d8446cbad0408db2554e211%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C638144819057640707%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000%7C%7C%7C&sdata=3cN4ZDb2Mnw9K0UQDfC3dGhbMg0hOVObes%2FzM4TSi9g%3D&reserved=0> timestamp="2023-03-14T08:28:16.065-04:00" tests="1" failures="1" errors="0" pending="0" time="PT0.002S">
>
>         <testcase name="errorHtml" class="local:errorHtml">
>
>             <failure message="assertXPath failed." type="failure-error-code-1">$result//*:html</failure>
>
>             <output>
>
>                 <html xmlns="http://www.w3.org/1999/xhtml" <https://gcc02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.w3.org%2F1999%2Fxhtml&data=05%7C01%7Cbernard.t.harris%40nasa.gov%7C9d7457058d8446cbad0408db2554e211%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C638144819057640707%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C2000%7C%7C%7C&sdata=5%2BmCXRysPA%2BvDWJjLhfFaP2WawF1h3bfLP3W3R5liZM%3D&reserved=0> lang="en" xml:lang="en">
>
>                     <head>
>
>                         <title>Bad Request</title>
>
>                     </head>
>
>                     <body>
>
>                         <p class="ErrorMessage">
>
>                             <b>Message: </b>Bad Request</p>
>
>                         <p class="ErrorDescription">
>
>                             <b>Description: </b>Invalid ResourceID</p>
>
>                     </body>
>
>                 </html>
>
>             </output>
>
>         </testcase>
>
>     </testsuite>
>
> </testsuites>
>
>
>
> Or
>
>
>
>         <testcase name="errorHtml" class="spasexq:errorHtml">
>
>             <error type="err:XPST0081" message="It is a static error if a QName used in an expression contains a namespace prefix that cannot be expanded into a namespace URI by using the statically known namespaces. Error while evaluating expression: $result//xhtml:html. No namespace defined for prefix xhtml:html"/>
>
>         </testcase>
>
>
>
> If I use the xhtml namespace in the assertXPath annotation.  I found someone report a similar problem on stackoverflow in 2016 but it is not clear to me how it was resolved.  This is on exist-db 6.2.0 and Java 11.  Does anyone know what I am doing wrong?  Thanks.
>
>
>
> Bernie Harris
>
>
>
>
>
>
>
>
>
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>
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>
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>
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