69 lines
1.9 KiB
PHP
69 lines
1.9 KiB
PHP
<?php declare(strict_types=1);
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namespace PhpParser;
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class CodeTestParser
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{
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public function parseTest($code, $chunksPerTest) {
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$code = canonicalize($code);
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// evaluate @@{expr}@@ expressions
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$code = preg_replace_callback(
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'/@@\{(.*?)\}@@/',
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function($matches) {
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return eval('return ' . $matches[1] . ';');
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},
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$code
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);
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// parse sections
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$parts = preg_split("/\n-----(?:\n|$)/", $code);
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// first part is the name
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$name = array_shift($parts);
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// multiple sections possible with always two forming a pair
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$chunks = array_chunk($parts, $chunksPerTest);
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$tests = [];
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foreach ($chunks as $i => $chunk) {
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$lastPart = array_pop($chunk);
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list($lastPart, $mode) = $this->extractMode($lastPart);
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$tests[] = [$mode, array_merge($chunk, [$lastPart])];
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}
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return [$name, $tests];
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}
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public function reconstructTest($name, array $tests) {
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$result = $name;
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foreach ($tests as list($mode, $parts)) {
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$lastPart = array_pop($parts);
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foreach ($parts as $part) {
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$result .= "\n-----\n$part";
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}
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$result .= "\n-----\n";
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if (null !== $mode) {
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$result .= "!!$mode\n";
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}
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$result .= $lastPart;
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}
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return $result;
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}
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private function extractMode($expected) {
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$firstNewLine = strpos($expected, "\n");
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if (false === $firstNewLine) {
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$firstNewLine = strlen($expected);
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}
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$firstLine = substr($expected, 0, $firstNewLine);
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if (0 !== strpos($firstLine, '!!')) {
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return [$expected, null];
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}
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$expected = (string) substr($expected, $firstNewLine + 1);
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return [$expected, substr($firstLine, 2)];
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}
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}
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