hoxsl/test/apply.xspec

<?xml version="1.0" encoding="utf-8"?>
<!--
  Tests dynamic function application

  Copyright (C) 2014 LoVullo Associates, Inc.

    This file is part of hoxsl.

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
-->

<description xmlns="http://www.jenitennison.com/xslt/xspec"
             xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
             xmlns:f="http://www.lovullo.com/hoxsl/apply"
             xmlns:foo="http://www.lovullo.com/_junk"
             stylesheet="apply-test.xsl">

  <variable name="foo-uri"
            select="namespace-uri-for-prefix( 'foo', $args )" />

  <variable name="args">
    <foo:args>
      <foo:arg1 />
      <foo:arg2 />
      <foo:arg3 />
      <foo:arg4 />
      <foo:arg5 />
      <foo:arg6 />
      <foo:arg7 />
      <foo:arg8 />
    </foo:args>
  </variable>

  <scenario label="f:apply">
    <scenario label="applied to complete argument list of">
      <scenario label="nullary function">
        <call function="f:apply">
          <param name="fnref"
                 select="f:make-ref( QName( $foo-uri, 'fn0' ), 0 )" />
        </call>

        <!-- technically it applies a template -->
        <expect label="applies target function"
                test="$x:result[ 1 ] = foo:applied[ @n = 0 ]" />
      </scenario>


      <scenario label="unary function">
        <call function="f:apply">
          <param name="fnref"
                 select="f:make-ref( QName( $foo-uri, 'fn1' ), 1 )" />
          <param name="arg1" select="$args/foo:arg1" />
        </call>

        <expect label="passes each argument"
                test="$x:result[ 1 ] = foo:applied[ @n = 1 ]
                      and $x:result[ 2 ] is $args/foo:arg1" />
      </scenario>


      <scenario label="binary function">
        <call function="f:apply">
          <param name="fnref"
                 select="f:make-ref( QName( $foo-uri, 'fn2' ), 2 )" />
          <param name="arg1" select="$args/foo:arg1" />
          <param name="arg2" select="$args/foo:arg2" />
        </call>

        <expect label="passes each argument"
                test="$x:result[ 1 ] = foo:applied[ @n = 2 ]
                      and $x:result[ 2 ] is $args/foo:arg1
                      and $x:result[ 3 ] is $args/foo:arg2" />
      </scenario>


      <scenario label="ternary function">
        <call function="f:apply">
          <param name="fnref"
                 select="f:make-ref( QName( $foo-uri, 'fn3' ), 3 )" />
          <param name="arg1" select="$args/foo:arg1" />
          <param name="arg2" select="$args/foo:arg2" />
          <param name="arg3" select="$args/foo:arg3" />
        </call>

        <expect label="passes each argument"
                test="$x:result[ 1 ] = foo:applied[ @n = 3 ]
                      and $x:result[ 2 ] is $args/foo:arg1
                      and $x:result[ 3 ] is $args/foo:arg2
                      and $x:result[ 4 ] is $args/foo:arg3" />
      </scenario>


      <scenario label="4-ary function">
        <call function="f:apply">
          <param name="fnref"
                 select="f:make-ref( QName( $foo-uri, 'fn4' ), 4 )" />
          <param name="arg1" select="$args/foo:arg1" />
          <param name="arg2" select="$args/foo:arg2" />
          <param name="arg3" select="$args/foo:arg3" />
          <param name="arg4" select="$args/foo:arg4" />
        </call>

        <expect label="passes each argument"
                test="$x:result[ 1 ] = foo:applied[ @n = 4 ]
                      and $x:result[ 2 ] is $args/foo:arg1
                      and $x:result[ 3 ] is $args/foo:arg2
                      and $x:result[ 4 ] is $args/foo:arg3
                      and $x:result[ 5 ] is $args/foo:arg4" />
      </scenario>


      <scenario label="5-ary function">
        <call function="f:apply">
          <param name="fnref"
                 select="f:make-ref( QName( $foo-uri, 'fn5' ), 5 )" />
          <param name="arg1" select="$args/foo:arg1" />
          <param name="arg2" select="$args/foo:arg2" />
          <param name="arg3" select="$args/foo:arg3" />
          <param name="arg4" select="$args/foo:arg4" />
          <param name="arg5" select="$args/foo:arg5" />
        </call>

        <expect label="passes each argument"
                test="$x:result[ 1 ] = foo:applied[ @n = 5 ]
                      and $x:result[ 2 ] is $args/foo:arg1
                      and $x:result[ 3 ] is $args/foo:arg2
                      and $x:result[ 4 ] is $args/foo:arg3
                      and $x:result[ 5 ] is $args/foo:arg4
                      and $x:result[ 6 ] is $args/foo:arg5" />
      </scenario>


      <scenario label="6-ary function">
        <call function="f:apply">
          <param name="fnref"
                 select="f:make-ref( QName( $foo-uri, 'fn6' ), 6 )" />
          <param name="arg1" select="$args/foo:arg1" />
          <param name="arg2" select="$args/foo:arg2" />
          <param name="arg3" select="$args/foo:arg3" />
          <param name="arg4" select="$args/foo:arg4" />
          <param name="arg5" select="$args/foo:arg5" />
          <param name="arg6" select="$args/foo:arg6" />
        </call>

        <expect label="passes each argument"
                test="$x:result[ 1 ] = foo:applied[ @n = 6 ]
                      and $x:result[ 2 ] is $args/foo:arg1
                      and $x:result[ 3 ] is $args/foo:arg2
                      and $x:result[ 4 ] is $args/foo:arg3
                      and $x:result[ 5 ] is $args/foo:arg4
                      and $x:result[ 6 ] is $args/foo:arg5
                      and $x:result[ 7 ] is $args/foo:arg6" />
      </scenario>


      <scenario label="7-ary function">
        <call function="f:apply">
          <param name="fnref"
                 select="f:make-ref( QName( $foo-uri, 'fn7' ), 7 )" />
          <param name="arg1" select="$args/foo:arg1" />
          <param name="arg2" select="$args/foo:arg2" />
          <param name="arg3" select="$args/foo:arg3" />
          <param name="arg4" select="$args/foo:arg4" />
          <param name="arg5" select="$args/foo:arg5" />
          <param name="arg6" select="$args/foo:arg6" />
          <param name="arg7" select="$args/foo:arg7" />
        </call>

        <expect label="passes each argument"
                test="$x:result[ 1 ] = foo:applied[ @n = 7 ]
                      and $x:result[ 2 ] is $args/foo:arg1
                      and $x:result[ 3 ] is $args/foo:arg2
                      and $x:result[ 4 ] is $args/foo:arg3
                      and $x:result[ 5 ] is $args/foo:arg4
                      and $x:result[ 6 ] is $args/foo:arg5
                      and $x:result[ 7 ] is $args/foo:arg6
                      and $x:result[ 8 ] is $args/foo:arg7" />
      </scenario>


      <scenario label="8-ary function">
        <call function="f:apply">
          <param name="fnref"
                 select="f:make-ref( QName( $foo-uri, 'fn8' ), 8 )" />
          <param name="arg1" select="$args/foo:arg1" />
          <param name="arg2" select="$args/foo:arg2" />
          <param name="arg3" select="$args/foo:arg3" />
          <param name="arg4" select="$args/foo:arg4" />
          <param name="arg5" select="$args/foo:arg5" />
          <param name="arg6" select="$args/foo:arg6" />
          <param name="arg7" select="$args/foo:arg7" />
          <param name="arg8" select="$args/foo:arg8" />
        </call>

        <expect label="passes each argument"
                test="$x:result[ 1 ] = foo:applied[ @n = 8 ]
                      and $x:result[ 2 ] is $args/foo:arg1
                      and $x:result[ 3 ] is $args/foo:arg2
                      and $x:result[ 4 ] is $args/foo:arg3
                      and $x:result[ 5 ] is $args/foo:arg4
                      and $x:result[ 6 ] is $args/foo:arg5
                      and $x:result[ 7 ] is $args/foo:arg6
                      and $x:result[ 8 ] is $args/foo:arg7
                      and $x:result[ 9 ] is $args/foo:arg8" />
      </scenario>
    </scenario>


    <scenario label="applied to partial argument list">
      <variable name="fn8"
                select="f:make-ref( QName( $foo-uri, 'fn8' ),
                                    8 )" />

      <!-- while this looks comprehensive, this really only tests
           f:apply#2 -->
      <scenario label="supports currying">

        <call function="f:apply">
          <!-- @, @ makin' you dizzy? -->
          <param name="fnref"
                 select="f:apply(
                           f:apply(
                             f:apply(
                               f:apply(
                                 f:apply(
                                   f:apply(
                                     f:apply(
                                       $fn8,
                                       $args/foo:arg1 ),
                                     $args/foo:arg2 ),
                                   $args/foo:arg3 ),
                                 $args/foo:arg4 ),
                               $args/foo:arg5 ),
                             $args/foo:arg6 ),
                           $args/foo:arg7 )" />

          <!-- the final argument that will apply the unary
               partially applied function to the target 8-ary -->
          <param name="arg1"
                 select="$args/foo:arg8" />
        </call>

        <expect label="applies target function and binds each
                       argument in proper order"
                test="foo:arg8-check( $args/*, $x:result )" />
      </scenario>


      <scenario label="with 1 argument">
        <call function="f:apply">
          <param name="fnref" select="$fn8" />
          <param name="arg1"  select="$args/foo:arg1" />
        </call>

        <expect label="produces a partial application"
                test="f:is-partial( $x:result )" />

        <expect label="can complete application with arguments in
                       proper order"
                test="foo:arg8-check(
                        $args/*,
                        f:apply( $x:result, $args/foo:arg2,
                                            $args/foo:arg3,
                                            $args/foo:arg4,
                                            $args/foo:arg5,
                                            $args/foo:arg6,
                                            $args/foo:arg7,
                                            $args/foo:arg8 ) )" />
      </scenario>


      <scenario label="with 2 arguments">
        <call function="f:apply">
          <param name="fnref" select="$fn8" />
          <param name="arg1"  select="$args/foo:arg1" />
          <param name="arg2"  select="$args/foo:arg2" />
        </call>

        <expect label="produces a partial application"
                test="f:is-partial( $x:result )" />

        <expect label="can complete application with arguments in
                       proper order"
                test="foo:arg8-check(
                        $args/*,
                        f:apply( $x:result, $args/foo:arg3,
                                            $args/foo:arg4,
                                            $args/foo:arg5,
                                            $args/foo:arg6,
                                            $args/foo:arg7,
                                            $args/foo:arg8 ) )" />
      </scenario>


      <scenario label="with 3 arguments">
        <call function="f:apply">
          <param name="fnref" select="$fn8" />
          <param name="arg1"  select="$args/foo:arg1" />
          <param name="arg2"  select="$args/foo:arg2" />
          <param name="arg3"  select="$args/foo:arg3" />
        </call>

        <expect label="produces a partial application"
                test="f:is-partial( $x:result )" />

        <expect label="can complete application with arguments in
                       proper order"
                test="foo:arg8-check(
                        $args/*,
                        f:apply( $x:result, $args/foo:arg4,
                                            $args/foo:arg5,
                                            $args/foo:arg6,
                                            $args/foo:arg7,
                                            $args/foo:arg8 ) )" />
      </scenario>


      <scenario label="with 4 arguments">
        <call function="f:apply">
          <param name="fnref" select="$fn8" />
          <param name="arg1"  select="$args/foo:arg1" />
          <param name="arg2"  select="$args/foo:arg2" />
          <param name="arg3"  select="$args/foo:arg3" />
          <param name="arg4"  select="$args/foo:arg4" />
        </call>

        <expect label="produces a partial application"
                test="f:is-partial( $x:result )" />

        <expect label="can complete application with arguments in
                       proper order"
                test="foo:arg8-check(
                        $args/*,
                        f:apply( $x:result, $args/foo:arg5,
                                            $args/foo:arg6,
                                            $args/foo:arg7,
                                            $args/foo:arg8 ) )" />
      </scenario>


      <scenario label="with 5 arguments">
        <call function="f:apply">
          <param name="fnref" select="$fn8" />
          <param name="arg1"  select="$args/foo:arg1" />
          <param name="arg2"  select="$args/foo:arg2" />
          <param name="arg3"  select="$args/foo:arg3" />
          <param name="arg4"  select="$args/foo:arg4" />
          <param name="arg5"  select="$args/foo:arg5" />
        </call>

        <expect label="produces a partial application"
                test="f:is-partial( $x:result )" />

        <expect label="can complete application with arguments in
                       proper order"
                test="foo:arg8-check(
                        $args/*,
                        f:apply( $x:result, $args/foo:arg6,
                                            $args/foo:arg7,
                                            $args/foo:arg8 ) )" />
      </scenario>


      <scenario label="with 6 arguments">
        <call function="f:apply">
          <param name="fnref" select="$fn8" />
          <param name="arg1"  select="$args/foo:arg1" />
          <param name="arg2"  select="$args/foo:arg2" />
          <param name="arg3"  select="$args/foo:arg3" />
          <param name="arg4"  select="$args/foo:arg4" />
          <param name="arg5"  select="$args/foo:arg5" />
          <param name="arg6"  select="$args/foo:arg6" />
        </call>

        <expect label="produces a partial application"
                test="f:is-partial( $x:result )" />

        <expect label="can complete application with arguments in
                       proper order"
                test="foo:arg8-check(
                        $args/*,
                        f:apply( $x:result, $args/foo:arg7,
                                            $args/foo:arg8 ) )" />
      </scenario>


      <scenario label="with 7 arguments">
        <call function="f:apply">
          <param name="fnref" select="$fn8" />
          <param name="arg1"  select="$args/foo:arg1" />
          <param name="arg2"  select="$args/foo:arg2" />
          <param name="arg3"  select="$args/foo:arg3" />
          <param name="arg4"  select="$args/foo:arg4" />
          <param name="arg5"  select="$args/foo:arg5" />
          <param name="arg6"  select="$args/foo:arg6" />
          <param name="arg7"  select="$args/foo:arg7" />
        </call>

        <expect label="produces a partial application"
                test="f:is-partial( $x:result )" />

        <expect label="can complete application with arguments in
                       proper order"
                test="foo:arg8-check(
                        $args/*,
                        f:apply( $x:result, $args/foo:arg8 ) )" />
      </scenario>
    </scenario>
  </scenario>
</description>