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

"Harris, Bernard T. \(GSFC-5870\) via Exist-open" <[email protected]>
Newsgroups gmane.text.xml.exist
Message-ID <[email protected]> 
Yes, that works.  I can probably work with that for now.  Thanks.

Bernie

From: Joe Wicentowski <[email protected]>
Date: Wednesday, March 15, 2023 at 11:45 AM
To: "Harris, Bernard T. (GSFC-5870)" <[email protected]>
Cc: Juri Leino <[email protected]>, "[email protected]" <[email protected]>
Subject: Re: [Exist-open] [EXTERNAL] Re: %test:assertXPath help

Hi Bernie,

No, I'm saying that

  %test:assertXPath("$result/self::*:html")

should work.

Joe

On Wed, Mar 15, 2023 at 11:39 AM Harris, Bernard T. (GSFC-5870) <[email protected]<mailto:[email protected]>> wrote:
Are you saying
%test:assertXPath("$result//*:html")
Should work now?  It does not.

Bernie

From: Joe Wicentowski <[email protected]<mailto:[email protected]>>
Date: Wednesday, March 15, 2023 at 11:33 AM
To: "Harris, Bernard T. (GSFC-5870)" <[email protected]<mailto:[email protected]>>
Cc: Juri Leino <[email protected]<mailto:[email protected]>>, "[email protected]<mailto:[email protected]>" <[email protected]<mailto:[email protected]>>
Subject: Re: [Exist-open] [EXTERNAL] Re: %test:assertXPath help

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<https://gcc02.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.w3.org%2F1999%2Fxhtml&data=05%7C01%7Cbernard.t.harris%40nasa.gov%7C959a63da3e464730ecfc08db256c4cef%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C638144919303176058%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=3JYhUEVjrLOFJhTJUTB9BzSHgk5reuIp%2F13u5vEHDnA%3D&reserved=0>".

... 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]<mailto:[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]<mailto:[email protected]>>
Date: Wednesday, March 15, 2023 at 8:58 AM
To: "Harris, Bernard T. (GSFC-5870)" <[email protected]<mailto:[email protected]>>
Cc: "[email protected]<mailto:[email protected]>" <[email protected]<mailto:[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%7C959a63da3e464730ecfc08db256c4cef%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C638144919303332280%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=PGLKfl5MhRgq0e3%2BPzlkqlDTa0KiCuRZBcBrjcT74go%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%7C959a63da3e464730ecfc08db256c4cef%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C638144919303332280%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=PGLKfl5MhRgq0e3%2BPzlkqlDTa0KiCuRZBcBrjcT74go%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%7C959a63da3e464730ecfc08db256c4cef%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C638144919303332280%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=qJDiW1%2BQVGKk9GgzY%2BY8TbD6eUhDG9NOH1XBmbj8m3k%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%7C959a63da3e464730ecfc08db256c4cef%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C638144919303332280%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=OKFW7kMPLuHLSgshCgeYF8zT5VgAHGDZw3LU8h33M3g%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%7C959a63da3e464730ecfc08db256c4cef%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C638144919303332280%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=PGLKfl5MhRgq0e3%2BPzlkqlDTa0KiCuRZBcBrjcT74go%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%7C959a63da3e464730ecfc08db256c4cef%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C638144919303332280%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=qJDiW1%2BQVGKk9GgzY%2BY8TbD6eUhDG9NOH1XBmbj8m3k%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%7C959a63da3e464730ecfc08db256c4cef%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C638144919303332280%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=qJDiW1%2BQVGKk9GgzY%2BY8TbD6eUhDG9NOH1XBmbj8m3k%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%7C959a63da3e464730ecfc08db256c4cef%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C638144919303332280%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=cXo9vtsTcRhFmg90NHaf4GmpAJwXs4w%2BVgbJ7J%2BG2Bw%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%7C959a63da3e464730ecfc08db256c4cef%7C7005d45845be48ae8140d43da96dd17b%7C0%7C0%7C638144919303332280%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=qJDiW1%2BQVGKk9GgzY%2BY8TbD6eUhDG9NOH1XBmbj8m3k%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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