php-json-ld/jsonld-tests.php

326 lines
7.7 KiB
PHP

<?php
/**
* PHP unit tests for JSON-LD.
*
* @author Dave Longley
*
* Copyright (c) 2011-2012 Digital Bazaar, Inc. All rights reserved.
*/
require_once('jsonld.php');
// determine EOL for output based on command line php or webpage php
$isCli = defined('STDIN');
$eol = $isCli ? "\n" : '<br/>';
function error_handler($errno, $errstr, $errfile, $errline)
{
global $eol;
echo "$eol$errstr$eol";
array_walk(
debug_backtrace(),
create_function(
'$a,$b',
'echo "{$a[\'function\']}()' .
'(".basename($a[\'file\']).":{$a[\'line\']}); ' . $eol . '";'));
throw new Exception();
return false;
}
if(!$isCli)
{
set_error_handler('error_handler');
}
function _sortKeys($obj)
{
$rval;
if($obj === null)
{
$rval = null;
}
else if(is_array($obj))
{
$rval = array();
foreach($obj as $o)
{
$rval[] = _sortKeys($o);
}
}
else if(is_object($obj))
{
$rval = new stdClass();
$keys = array_keys((array)$obj);
sort($keys);
foreach($keys as $key)
{
$rval->$key = _sortKeys($obj->$key);
}
}
else
{
$rval = $obj;
}
return $rval;
}
function _stringifySorted($obj, $indent)
{
/*
$flags = JSON_UNESCAPED_SLASHES;
if($indent)
{
$flags |= JSON_PRETTY_PRINT;
}*/
return str_replace('\\/', '/', json_encode(_sortKeys($obj)));//, $flags);
}
/**
* Reads test JSON files.
*
* @param file the file to read.
* @param filepath the test filepath.
*
* @return the read JSON.
*/
function _readTestJson($file, $filepath)
{
$rval;
global $eol;
try
{
$file = $filepath . '/' . $file;
$rval = json_decode(file_get_contents($file));
}
catch(Exception $e)
{
echo "Exception while parsing file: '$file'$eol";
throw $e;
}
return $rval;
}
class TestRunner
{
public function __construct()
{
// set up groups, add root group
$this->groups = array();
$this->group('');
}
public function group($name)
{
$group = new stdClass();
$group->name = $name;
$group->tests = array();
$group->count = 1;
$this->groups[] = $group;
}
public function ungroup()
{
array_pop($this->groups);
}
public function test($name)
{
$this->groups[count($this->groups) - 1]->tests[] = $name;
$line = '';
foreach($this->groups as $g)
{
$line .= ($line === '') ? $g->name : ('/' . $g->name);
}
$g = $this->groups[count($this->groups) - 1];
if($g->name !== '')
{
$count = '' . $g->count;
$end = 4 - strlen($count);
for($i = 0; $i < $end; ++$i)
{
$count = '0' . $count;
}
$line .= ' ' . $count;
$g->count += 1;
}
$line .= '/' . array_pop($g->tests) . '... ';
echo $line;
}
public function check($expect, $result, $indent=false)
{
global $eol;
// sort and use given indent level
$expect = _stringifySorted($expect, $indent);
$result = _stringifySorted($result, $indent);
$fail = false;
if($expect === $result)
{
$line = 'PASS';
}
else
{
$line = 'FAIL';
$fail = true;
}
echo "$line$eol";
if($fail)
{
echo 'Expect: ' . print_r($expect, true) . $eol;
echo 'Result: ' . print_r($result, true) . $eol;
/*
$flags = JSON_UNESCAPED_SLASHES | JSON_PRETTY_PRINT;
echo 'Legible Expect: ' .
json_encode(json_decode(expect, $flags)) . $eol;
echo 'Legible Result: ' .
json_encode(json_decode(result, $flags)) . $eol;
*/
// FIXME: remove me
throw new Exception('FAIL');
}
}
public function load($filepath)
{
global $eol;
$manifests = array();
// get full path
$filepath = realpath($filepath);
echo "Reading manifest files from: '$filepath'$eol";
// read each test file from the directory
$files = array();
$handle = opendir($filepath);
if($handle)
{
while(($file = readdir($handle)) !== false)
{
if($file !== '..' and $file !== '.')
{
$files[] = $filepath . '/' . $file;
}
}
closedir($handle);
}
else
{
throw new Exception('Could not open directory.');
}
foreach($files as $file)
{
$info = pathinfo($file);
// FIXME: hackish, manifests are now JSON-LD
if(strstr($info['basename'], 'manifest') !== false and
$info['extension'] == 'jsonld')
{
echo "Reading manifest file: '$file'$eol";
try
{
$manifest = json_decode(file_get_contents($file));
}
catch(Exception $e)
{
echo "Exception while parsing file: '$file'$eol";
throw $e;
}
$manifest->filepath = $filepath;
$manifests[] = $manifest;
}
}
echo count($manifests) . " manifest file(s) read.$eol";
return $manifests;
}
public function run($manifests)
{
/* Manifest format:
{
name: <optional manifest name>,
sequence: [{
'name': <test name>,
'@type': ["test:TestCase", "jld:<type of test>"],
'input': <input file for test>,
'context': <context file for add context test type>,
'frame': <frame file for frame test type>,
'expect': <expected result file>,
}]
}
*/
global $eol;
foreach($manifests as $manifest)
{
$this->group($manifest->name);
$filepath = $manifest->filepath;
foreach($manifest->sequence as $test)
{
// read test input files
$indent = 2;
$type = $test->{'@type'};
if(in_array('jld:NormalizeTest', $type))
{
$indent = 0;
$input = _readTestJson($test->input, $filepath);
$test->expect = _readTestJson($test->expect, $filepath);
$result = jsonld_normalize($input);
}
else if(in_array('jld:ExpandTest', $type))
{
$input = _readTestJson($test->input, $filepath);
$test->expect = _readTestJson($test->expect, $filepath);
$result = jsonld_expand($input);
}
else if(in_array('jld:CompactTest', $type))
{
$input = _readTestJson($test->input, $filepath);
$test->context = _readTestJson($test->context, $filepath);
$test->expect = _readTestJson($test->expect, $filepath);
$result = jsonld_compact($test->context->{'@context'}, $input);
}
else if(in_array('jld:FrameTest', $type))
{
$input = _readTestJson($test->input, $filepath);
$test->frame = _readTestJson($test->frame, $filepath);
$test->expect = _readTestJson($test->expect, $filepath);
$result = jsonld_frame($input, $test->frame);
}
else
{
echo 'Skipping test "' . $test->name . '" of type: ' .
json_encode($type) . $eol;
continue;
}
// check results (only indent output on non-normalize tests)
$this->test($test->name);
$this->check($test->expect, $result, $indent);
}
}
}
}
// load and run tests
$tr = new TestRunner();
$tr->group('JSON-LD');
$tr->run($tr->load('tests'));
$tr->ungroup();
echo "All tests complete.$eol";
?>