754 lines
24 KiB
XML
754 lines
24 KiB
XML
<?xml version="1.0" encoding="utf-8"?>
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<!--
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Tests dynamic function reference
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Copyright (C) 2014 LoVullo Associates, Inc.
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This file is part of hoxsl.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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-->
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<description xmlns="http://www.jenitennison.com/xslt/xspec"
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xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
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xmlns:x="http://www.jenitennison.com/xslt/xspec"
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xmlns:f="http://mikegerwitz.com/hoxsl/apply"
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xmlns:foo="http://mikegerwitz.com/_junk"
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stylesheet="ref-test.xsl">
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<variable name="foo-uri"
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select="namespace-uri-for-prefix(
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'foo', root(.)/element() )" />
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<variable name="test-arity"
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select="5" />
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<variable name="test-fn"
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select="f:make-ref( QName( $foo-uri, 'foo:bar' ),
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$test-arity )" />
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<variable name="args">
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<foo:args>
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<foo:a />
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<foo:b />
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<foo:c />
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<foo:d />
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</foo:args>
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</variable>
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<scenario label="f:make-ref constructor">
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<scenario label="when called with a function QName and arity">
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<variable name="qname"
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select="QName( $foo-uri, 'reftest' )" />
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<variable name="arity"
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select="2" />
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<call function="f:make-ref">
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<param name="name" select="$qname" />
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<param name="arity" select="$arity" />
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</call>
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<expect label="produces a dynamic function reference"
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test="f:is-ref( $x:result )" />
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<expect label="produces provided reference arity"
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test="f:arity( $x:result ) = $arity" />
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<expect label="produces reference to expected QName"
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test="f:QName( $x:result ) = $qname" />
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<!-- this isn't breaking encapsulation: we know that a sequence
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is returned and we must know how to delimit the references
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within it -->
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<expect label="produces length equal to length of returned
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sequence"
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test="f:length( $x:result ) = count( $x:result )" />
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</scenario>
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<scenario label="produces a valid dynamic function reference">
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<variable name="arg">
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<foo:bar />
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</variable>
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<call function="f:apply">
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<param name="fnref"
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select="f:make-ref( QName( $foo-uri, 'fn1' ),
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1 )" />
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<param name="arg1" select="$arg" />
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</call>
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<expect label="that can be applied using f:apply"
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test="$x:result[ 1 ] = foo:applied[ @n = 1 ]
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and $x:result[ 2 ] is $arg" />
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</scenario>
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</scenario>
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<scenario label="f:is-ref predicate">
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<scenario label="given a valid dynamic function reference">
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<call function="f:is-ref">
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<param name="fnref"
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select="f:make-ref( QName( $foo-uri, 'foo' ), 0 )" />
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</call>
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<expect label="returns true()"
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select="true()" />
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</scenario>
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<scenario label="given a valid dynamic function reference adjacent
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to other data">
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<call function="f:is-ref">
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<param name="fnref"
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select="f:make-ref( QName( $foo-uri, 'foo' ), 0 ),
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'adjacent data'" />
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</call>
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<expect label="returns true()"
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select="true()" />
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</scenario>
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<scenario label="given an invalid dynamic function reference">
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<call function="f:is-ref">
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<param name="fnref">
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<foo:bar />
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</param>
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</call>
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<expect label="returns false()"
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select="false()" />
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</scenario>
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<scenario label="given a dynamic function reference without arity">
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<call function="f:is-ref">
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<param name="fnref">
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<f:ref>
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<foo:bar />
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</f:ref>
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</param>
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</call>
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<expect label="returns false()"
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select="false()" />
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</scenario>
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<scenario label="given a dynamic function reference without
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integral arity">
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<call function="f:is-ref">
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<param name="fnref">
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<f:ref arity="moo">
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<foo:bar />
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</f:ref>
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</param>
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</call>
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<expect label="returns false()"
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select="false()" />
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</scenario>
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<scenario label="given a dynamic function reference without target
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node">
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<call function="f:is-ref">
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<param name="fnref">
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<f:ref arity="0" />
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</param>
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</call>
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<expect label="returns false()"
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select="false()" />
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</scenario>
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<scenario label="given an empty sequence">
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<call function="f:is-ref">
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<param name="fnref" select="()" />
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</call>
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<expect label="returns false()"
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select="false()" />
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</scenario>
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<scenario label="given a non-element">
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<call function="f:is-ref">
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<param name="fnref" select="5" />
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</call>
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<expect label="returns false()"
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select="false()" />
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</scenario>
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</scenario>
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<scenario label="f:QName accessor">
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<variable name="foo-qname"
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select="QName( $foo-uri, 'foo' )" />
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<scenario label="given a valid dynamic function reference with no
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argments">
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<call function="f:QName">
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<param name="fnref"
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select="f:make-ref( $foo-qname, 0 )" />
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</call>
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<expect label="returns QName"
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test="$x:result instance of xs:QName" />
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<expect label="returns QName of target dynamic function"
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select="$foo-qname" />
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</scenario>
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<scenario label="given a valid dynamic function reference with
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argments">
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<call function="f:QName">
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<param name="fnref"
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select="f:set-args( f:make-ref( $foo-qname, 0 ),
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(1, 2) )" />
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</call>
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<expect label="returns QName"
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test="$x:result instance of xs:QName" />
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<expect label="returns QName of target dynamic function"
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select="$foo-qname" />
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</scenario>
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<scenario label="given a dynamic function reference with no target
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node">
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<call function="f:QName">
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<param name="fnref">
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<f:ref arity="5" />
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</param>
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</call>
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<expect label="returns empty sequence"
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select="()" />
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</scenario>
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<scenario label="given a valid dynamic function reference with
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adjacent data">
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<call function="f:QName">
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<param name="fnref"
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select="f:make-ref( $foo-qname, 0 ),
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'adjacent data'" />
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</call>
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<expect label="returns QName"
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test="$x:result instance of xs:QName" />
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<expect label="returns QName of target dynamic function"
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select="$foo-qname" />
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</scenario>
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</scenario>
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<scenario label="f:arity">
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<variable name="test-arity"
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select="5" />
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<scenario label="given a proper function reference">
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<!-- test our format directly; do not rely on the
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apply-gen code -->
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<call function="f:arity">
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<param name="fnref" select="$test-fn" />
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</call>
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<expect label="provides function arity"
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select="$test-arity" />
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</scenario>
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<scenario label="given a proper function reference with adjacent
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data">
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<!-- test our format directly; do not rely on the
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apply-gen code -->
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<call function="f:arity">
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<param name="fnref" select="$test-fn,
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'adjacent data'" />
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</call>
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<expect label="provides function arity"
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select="$test-arity" />
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</scenario>
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<scenario label="given a partially applied function reference">
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<call function="f:arity">
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<param name="fnref"
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select="f:apply( $test-fn, 1, 2 )" />
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</call>
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<expect label="provides arity of the target function minus the
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number of bound parameters"
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select="$test-arity - 2" />
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</scenario>
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<scenario label="given a multiply-partially-applied function reference">
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<call function="f:arity">
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<param name="fnref"
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select="f:apply(
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f:apply( $test-fn, 1, 2 ),
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3 )" />
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</call>
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<expect label="provides arity of the target function minus the
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number of bound parameters"
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select="$test-arity - 3" />
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</scenario>
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</scenario>
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<scenario label="f:set-args setter">
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<scenario label="setting empty args on reference with no args">
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<call function="f:set-args">
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<param name="fnref" select="$test-fn" />
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<param name="args" select="()" />
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</call>
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<expect label="retains target QName"
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test="f:QName( $x:result ) = f:QName( $test-fn )" />
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<expect label="retains target arity"
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test="f:arity( $x:result ) = f:arity( $test-fn )" />
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<expect label="produces length equal to length of constructed
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sequence"
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test="f:length( $x:result ) = count( $x:result )" />
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</scenario>
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<scenario label="setting args on reference with no args">
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<call function="f:set-args">
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<param name="fnref" select="$test-fn" />
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<param name="args" select="(1, 2)" />
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</call>
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<expect label="retains target QName"
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test="f:QName( $x:result ) = f:QName( $test-fn )" />
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<!-- the function is now partially applied -->
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<expect label="reduces arity by number of arguments"
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test="f:arity( $x:result ) = f:arity( $test-fn ) - 2" />
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<expect label="produces length equal to length of constructed
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sequence"
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test="f:length( $x:result ) = count( $x:result )" />
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</scenario>
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<scenario label="clearing args on reference with args">
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<call function="f:set-args">
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<param name="fnref"
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select="f:set-args( $test-fn, (1, 2) )" />
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<param name="args"
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select="()" />
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</call>
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<expect label="retains target QName"
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test="f:QName( $x:result ) = f:QName( $test-fn )" />
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<!-- the function is no longer partially applied -->
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<expect label="restores target function arity"
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test="f:arity( $x:result ) = f:arity( $test-fn )" />
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<expect label="produces length equal to length of constructed
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sequence"
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test="f:length( $x:result ) = count( $x:result )" />
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</scenario>
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<scenario label="increasing reference argument count">
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<call function="f:set-args">
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<param name="fnref"
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select="f:set-args( $test-fn, (1, 2) )" />
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<param name="args"
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select="(1, 2, 3)" />
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</call>
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<expect label="retains target QName"
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test="f:QName( $x:result ) = f:QName( $test-fn )" />
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<!-- the function is no longer partially applied -->
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<expect label="reduces arity by number of argments"
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test="f:arity( $x:result ) = f:arity( $test-fn ) - 3" />
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<expect label="produces length equal to length of constructed
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sequence"
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test="f:length( $x:result ) = count( $x:result )" />
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</scenario>
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<scenario label="decrasing reference argument count">
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<call function="f:set-args">
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<param name="fnref"
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select="f:set-args( $test-fn, (1, 2) )" />
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<param name="args"
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select="1" />
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</call>
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<expect label="retains target QName"
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test="f:QName( $x:result ) = f:QName( $test-fn )" />
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<!-- the function is no longer partially applied -->
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<expect label="increases arity by difference in argument count"
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test="f:arity( $x:result ) = f:arity( $test-fn ) - 1" />
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<expect label="produces length equal to length of constructed
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sequence"
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test="f:length( $x:result ) = count( $x:result )" />
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</scenario>
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<scenario label="operating adjacent to other data">
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<call function="f:set-args">
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<param name="fnref" select="$test-fn,
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$args/foo:a,
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$args/foo:b" />
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<param name="args" select="(1, 2)" />
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</call>
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<expect label="retains target QName"
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test="f:QName( $x:result ) = f:QName( $test-fn )" />
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<expect label="reduces arity by number of arguments"
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test="f:arity( $x:result ) = f:arity( $test-fn ) - 2" />
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<!-- notice that the length _does not_ reflect adjacent data -->
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<expect label="produces length equal to length of constructed
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sequence, sans adjacent data"
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test="f:length( $x:result ) = count( $x:result ) - 2" />
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<variable name="rlength" select="count( $x:result )" />
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<expect label="retains adjacent data by reference"
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test="$x:result[ $rlength - 1 ] is $args/foo:a
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and $x:result[ $rlength ] is $args/foo:b" />
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</scenario>
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</scenario>
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<scenario label="f:args accessor">
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<scenario label="given a new dynamic function reference">
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<call function="f:args">
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<param name="fnref" select="$test-fn" />
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</call>
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<expect label="produces empty argument list"
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select="()" />
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</scenario>
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<scenario label="after an initial f:set-args">
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<call function="f:args">
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<param name="fnref"
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select="f:set-args( $test-fn, ($args/foo:a,
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$args/foo:b) )" />
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</call>
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<expect label="returns sequence of arguments by reference"
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test="$x:result[ 1 ] is $args/foo:a
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and $x:result[ 2 ] is $args/foo:b" />
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<expect label="returns no other items"
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test="count( $x:result ) = 2" />
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</scenario>
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<scenario label="after a f:set-args on an existing argument list">
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<call function="f:args">
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<param name="fnref"
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select="f:set-args(
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f:set-args( $test-fn, ($args/foo:a,
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$args/foo:b) ),
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($args/foo:b,
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$args/foo:c) )" />
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</call>
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<expect label="returns sequence of arguments by reference,
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discarding previously set arguments"
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test="$x:result[ 1 ] is $args/foo:b
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and $x:result[ 2 ] is $args/foo:c" />
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<expect label="returns no other items"
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test="count( $x:result ) = 2" />
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</scenario>
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<scenario label="operating on a reference preceding adjacent data">
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<call function="f:args">
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<param name="fnref"
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select="f:set-args( $test-fn, ($args/foo:a,
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$args/foo:b) ),
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'adjacent data'" />
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</call>
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<expect label="returns sequence of arguments by reference"
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test="$x:result[ 1 ] is $args/foo:a
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and $x:result[ 2 ] is $args/foo:b" />
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<expect label="returns no adjacent data"
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test="count( $x:result ) = 2" />
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</scenario>
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</scenario>
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<scenario label="f:push-args mutator">
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<scenario label="pushing arguments onto empty reference list">
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<call function="f:push-args">
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<param name="fnref"
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select="$test-fn" />
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<param name="args"
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select="$args/foo:a,
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$args/foo:b" />
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</call>
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<expect label="retains target QName"
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test="f:QName( $x:result ) = f:QName( $test-fn )" />
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<expect label="reduces arity by number of arguments, relative to
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target function"
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test="f:arity( $x:result ) = f:arity( $test-fn ) - 2" />
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<expect label="sets arguments by reference"
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test="f:args( $x:result )[ 1 ] is $args/foo:a
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and f:args( $x:result )[ 2 ] is $args/foo:b" />
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<expect label="produces length equal to length of constructed
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sequence"
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test="f:length( $x:result ) = count( $x:result )" />
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</scenario>
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<scenario label="pushing arguments onto populated reference
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list">
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<call function="f:push-args">
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<param name="fnref"
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select="f:set-args( $test-fn,
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($args/foo:a,
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$args/foo:b) )" />
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<param name="args"
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select="$args/foo:c,
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|
$args/foo:d" />
|
|
</call>
|
|
|
|
<expect label="retains target QName"
|
|
test="f:QName( $x:result ) = f:QName( $test-fn )" />
|
|
|
|
<expect label="reduces arity by number of arguments, relative to
|
|
previous arity"
|
|
test="f:arity( $x:result ) = f:arity( $test-fn ) - 4" />
|
|
|
|
<expect label="retains previous arguments by reference"
|
|
test="f:args( $x:result )[ 1 ] is $args/foo:a
|
|
and f:args( $x:result )[ 2 ] is $args/foo:b" />
|
|
|
|
<expect label="pushes new arguments by reference"
|
|
test="f:args( $x:result )[ 3 ] is $args/foo:c
|
|
and f:args( $x:result )[ 4 ] is $args/foo:d" />
|
|
|
|
<expect label="produces length equal to length of constructed
|
|
sequence"
|
|
test="f:length( $x:result ) = count( $x:result )" />
|
|
</scenario>
|
|
|
|
|
|
<scenario label="pushing empty argument list onto populated
|
|
reference list">
|
|
<call function="f:push-args">
|
|
<param name="fnref"
|
|
select="f:set-args( $test-fn,
|
|
($args/foo:a,
|
|
$args/foo:b) )" />
|
|
<param name="args" select="()" />
|
|
</call>
|
|
|
|
<expect label="retains target QName"
|
|
test="f:QName( $x:result ) = f:QName( $test-fn )" />
|
|
|
|
<expect label="retains previous reference arity"
|
|
test="f:arity( $x:result ) = f:arity( $test-fn ) - 2" />
|
|
|
|
<expect label="retains previous arguments by reference"
|
|
test="f:args( $x:result )[ 1 ] is $args/foo:a
|
|
and f:args( $x:result )[ 2 ] is $args/foo:b" />
|
|
|
|
<expect label="produces length equal to length of constructed
|
|
sequence"
|
|
test="f:length( $x:result ) = count( $x:result )" />
|
|
</scenario>
|
|
|
|
|
|
<scenario label="pushing arguments onto reference adjacent to
|
|
other data">
|
|
<call function="f:push-args">
|
|
<param name="fnref"
|
|
select="$test-fn,
|
|
$args/foo:a,
|
|
$args/foo:b" />
|
|
<param name="args"
|
|
select="$args/foo:c" />
|
|
</call>
|
|
|
|
<expect label="retains target QName"
|
|
test="f:QName( $x:result ) = f:QName( $test-fn )" />
|
|
|
|
<expect label="reduces arity by number of arguments, relative to
|
|
target function"
|
|
test="f:arity( $x:result ) = f:arity( $test-fn ) - 1" />
|
|
|
|
<expect label="sets arguments by reference"
|
|
test="f:args( $x:result )[ 1 ] is $args/foo:c" />
|
|
|
|
<variable name="rlength" select="count( $x:result )" />
|
|
|
|
<expect label="produces length equal to length of constructed
|
|
sequence, sans adjacent data"
|
|
test="f:length( $x:result ) = $rlength - 2" />
|
|
|
|
<expect label="retains adjacent data by reference"
|
|
test="$x:result[ $rlength - 1 ] is $args/foo:a
|
|
and $x:result[ $rlength ] is $args/foo:b" />
|
|
</scenario>
|
|
</scenario>
|
|
|
|
|
|
<scenario label="f:unshift-args mutator">
|
|
<scenario label="unshifting arguments onto empty reference list">
|
|
<call function="f:unshift-args">
|
|
<param name="fnref"
|
|
select="$test-fn" />
|
|
<param name="args"
|
|
select="$args/foo:a,
|
|
$args/foo:b" />
|
|
</call>
|
|
|
|
<expect label="retains target QName"
|
|
test="f:QName( $x:result ) = f:QName( $test-fn )" />
|
|
|
|
<expect label="reduces arity by number of arguments, relative to
|
|
target function"
|
|
test="f:arity( $x:result ) = f:arity( $test-fn ) - 2" />
|
|
|
|
<expect label="sets arguments by reference"
|
|
test="f:args( $x:result )[ 1 ] is $args/foo:a
|
|
and f:args( $x:result )[ 2 ] is $args/foo:b" />
|
|
|
|
<expect label="produces length equal to length of constructed
|
|
sequence"
|
|
test="f:length( $x:result ) = count( $x:result )" />
|
|
</scenario>
|
|
|
|
|
|
<scenario label="unshifting arguments onto populated reference
|
|
list">
|
|
<call function="f:unshift-args">
|
|
<param name="fnref"
|
|
select="f:set-args( $test-fn,
|
|
($args/foo:a,
|
|
$args/foo:b) )" />
|
|
<param name="args"
|
|
select="$args/foo:c,
|
|
$args/foo:d" />
|
|
</call>
|
|
|
|
<expect label="retains target QName"
|
|
test="f:QName( $x:result ) = f:QName( $test-fn )" />
|
|
|
|
<expect label="reduces arity by number of arguments, relative to
|
|
previous arity"
|
|
test="f:arity( $x:result ) = f:arity( $test-fn ) - 4" />
|
|
|
|
<expect label="retains previous arguments by reference"
|
|
test="f:args( $x:result )[ 3 ] is $args/foo:a
|
|
and f:args( $x:result )[ 4 ] is $args/foo:b" />
|
|
|
|
<expect label="unshifts new arguments by reference"
|
|
test="f:args( $x:result )[ 1 ] is $args/foo:c
|
|
and f:args( $x:result )[ 2 ] is $args/foo:d" />
|
|
|
|
<expect label="produces length equal to length of constructed
|
|
sequence"
|
|
test="f:length( $x:result ) = count( $x:result )" />
|
|
</scenario>
|
|
|
|
|
|
<scenario label="unshifting empty argument list onto populated
|
|
reference list">
|
|
<call function="f:unshift-args">
|
|
<param name="fnref"
|
|
select="f:set-args( $test-fn,
|
|
($args/foo:a,
|
|
$args/foo:b) )" />
|
|
<param name="args" select="()" />
|
|
</call>
|
|
|
|
<expect label="retains target QName"
|
|
test="f:QName( $x:result ) = f:QName( $test-fn )" />
|
|
|
|
<expect label="retains previous reference arity"
|
|
test="f:arity( $x:result ) = f:arity( $test-fn ) - 2" />
|
|
|
|
<expect label="retains previous arguments by reference"
|
|
test="f:args( $x:result )[ 1 ] is $args/foo:a
|
|
and f:args( $x:result )[ 2 ] is $args/foo:b" />
|
|
|
|
<expect label="produces length equal to length of constructed
|
|
sequence"
|
|
test="f:length( $x:result ) = count( $x:result )" />
|
|
</scenario>
|
|
|
|
|
|
<scenario label="unshifting arguments onto reference adjacent to
|
|
other data">
|
|
<call function="f:unshift-args">
|
|
<param name="fnref"
|
|
select="$test-fn,
|
|
$args/foo:a,
|
|
$args/foo:b" />
|
|
<param name="args"
|
|
select="$args/foo:c" />
|
|
</call>
|
|
|
|
<expect label="retains target QName"
|
|
test="f:QName( $x:result ) = f:QName( $test-fn )" />
|
|
|
|
<expect label="reduces arity by number of arguments, relative to
|
|
target function"
|
|
test="f:arity( $x:result ) = f:arity( $test-fn ) - 1" />
|
|
|
|
<expect label="sets arguments by reference"
|
|
test="f:args( $x:result )[ 1 ] is $args/foo:c" />
|
|
|
|
<variable name="rlength" select="count( $x:result )" />
|
|
|
|
<expect label="produces length equal to length of constructed
|
|
sequence, sans adjacent data"
|
|
test="f:length( $x:result ) = $rlength - 2" />
|
|
|
|
<expect label="retains adjacent data by reference"
|
|
test="$x:result[ $rlength - 1 ] is $args/foo:a
|
|
and $x:result[ $rlength ] is $args/foo:b" />
|
|
</scenario>
|
|
</scenario>
|
|
</description>
|