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Extract storeAssertDiff from Dumper::dumpException #382

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Extract storeAssertDiff from Dumper::dumpException #382

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96 changes: 57 additions & 39 deletions src/Framework/Dumper.php
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Expand Up @@ -258,46 +258,11 @@ public static function dumpException(\Throwable $e): string
}

if ($e instanceof AssertException) {
$expected = $e->expected;
$actual = $e->actual;

if (is_object($expected) || is_array($expected) || (is_string($expected) && strlen($expected) > self::$maxLength)
|| is_object($actual) || is_array($actual) || (is_string($actual) && strlen($actual) > self::$maxLength)
) {
$args = isset($_SERVER['argv'][1])
? '.[' . implode(' ', preg_replace(['#^-*(.{1,20}).*#i', '#[^=a-z0-9. -]+#i'], ['$1', '-'], array_slice($_SERVER['argv'], 1))) . ']'
: '';
$stored[] = self::saveOutput($testFile, $expected, $args . '.expected');
$stored[] = self::saveOutput($testFile, $actual, $args . '.actual');
$stored = [];
$message = self::storeAssertDiff($e, $testFile, $stored);
if (count($stored) !== 2) {
unset($stored);
}

if ((is_string($actual) && is_string($expected))) {
for ($i = 0; $i < strlen($actual) && isset($expected[$i]) && $actual[$i] === $expected[$i]; $i++);
for (; $i && $i < strlen($actual) && $actual[$i - 1] >= "\x80" && $actual[$i] >= "\x80" && $actual[$i] < "\xC0"; $i--);
$i = max(0, min(
$i - (int) (self::$maxLength / 3), // try to display 1/3 of shorter string
max(strlen($actual), strlen($expected)) - self::$maxLength + 3 // 3 = length of ...
));
if ($i) {
$expected = substr_replace($expected, '...', 0, $i);
$actual = substr_replace($actual, '...', 0, $i);
}
}

$message = 'Failed: ' . $e->origMessage;
if (((is_string($actual) && is_string($expected)) || (is_array($actual) && is_array($expected)))
&& preg_match('#^(.*)(%\d)(.*)(%\d.*)\z#s', $message, $m)
) {
if (($delta = strlen($m[1]) - strlen($m[3])) >= 3) {
$message = "$m[1]$m[2]\n" . str_repeat(' ', $delta - 3) . "...$m[3]$m[4]";
} else {
$message = "$m[1]$m[2]$m[3]\n" . str_repeat(' ', strlen($m[1]) - 4) . "... $m[4]";
}
}
$message = strtr($message, [
'%1' => self::color('yellow') . self::toLine($actual) . self::color('white'),
'%2' => self::color('yellow') . self::toLine($expected) . self::color('white'),
]);
} else {
$message = ($e instanceof \ErrorException ? Helpers::errorTypeToString($e->getSeverity()) : get_class($e))
. ': ' . preg_replace('#[\x00-\x09\x0B-\x1F]+#', ' ', $e->getMessage());
Expand Down Expand Up @@ -337,6 +302,59 @@ public static function dumpException(\Throwable $e): string
}


/**
* @param AssertException $assertException
* @param string $testFile
* @param string[] $storedFile
*
* @return string
*/
public static function storeAssertDiff(AssertException $assertException, $testFile, array &$storedFile)
{
$expected = $assertException->expected;
$actual = $assertException->actual;

if (is_object($expected) || is_array($expected) || (is_string($expected) && strlen($expected) > self::$maxLength)
|| is_object($actual) || is_array($actual) || (is_string($actual) && strlen($actual) > self::$maxLength)
) {
$args = isset($_SERVER['argv'][1])
? '.[' . implode(' ', preg_replace(['#^-*(.{1,20}).*#i', '#[^=a-z0-9. -]+#i'], ['$1', '-'], array_slice($_SERVER['argv'], 1))) . ']'
: '';
$storedFile[] = self::saveOutput($testFile, $expected, $args . '.expected');
$storedFile[] = self::saveOutput($testFile, $actual, $args . '.actual');
}

if ((is_string($actual) && is_string($expected))) {
for ($i = 0; $i < strlen($actual) && isset($expected[$i]) && $actual[$i] === $expected[$i]; $i++) ;
for (; $i && $i < strlen($actual) && $actual[$i - 1] >= "\x80" && $actual[$i] >= "\x80" && $actual[$i] < "\xC0"; $i--) ;
$i = max(0, min(
$i - (int) (self::$maxLength / 3), // try to display 1/3 of shorter string
max(strlen($actual), strlen($expected)) - self::$maxLength + 3 // 3 = length of ...
));
if ($i) {
$expected = substr_replace($expected, '...', 0, $i);
$actual = substr_replace($actual, '...', 0, $i);
}
}

$message = 'Failed: ' . $assertException->origMessage;
if (((is_string($actual) && is_string($expected)) || (is_array($actual) && is_array($expected)))
&& preg_match('#^(.*)(%\d)(.*)(%\d.*)\z#s', $message, $m)
) {
if (($delta = strlen($m[1]) - strlen($m[3])) >= 3) {
$message = "$m[1]$m[2]\n" . str_repeat(' ', $delta - 3) . "...$m[3]$m[4]";
} else {
$message = "$m[1]$m[2]$m[3]\n" . str_repeat(' ', strlen($m[1]) - 4) . "... $m[4]";
}
}

return strtr($message, [
'%1' => self::color('yellow') . self::toLine($actual) . self::color('white'),
'%2' => self::color('yellow') . self::toLine($expected) . self::color('white'),
]);
}


/**
* Dumps data to folder 'output'.
* @internal
Expand Down