Error Malformed UTF-8 characters, possibly incorrectly encoded on send Stryke dashboard report with tests that contain invalid UTF-8 characters

[vjik]

Question	Answer
Infection version	0.26.0
Test Framework version	PHPUnit 9.5.11
PHP version	7.4.26
Platform	Ubuntu
Github Repo	-

See here: https://github.com/yiisoft/strings/runs/4777997532?check_suite_focus=true#step:8:198

infection.json

{
    "source": {
        "directories": [
            "src"
        ]
    },
    "logs": {
        "text": "php:\/\/stderr",
        "stryker": {
            "report": "master"
            "badge": "master"
        }
    },
    "mutators": {
        "@default": true
    }
}

phpunit.xml

<?xml version="1.0" encoding="UTF-8"?>

<phpunit bootstrap="vendor/autoload.php"
        colors="true"
        verbose="true"
        failOnRisky="true"
        failOnWarning="true"
        convertErrorsToExceptions="true"
        convertNoticesToExceptions="true"
        convertWarningsToExceptions="true"
        stopOnFailure="false"
        executionOrder="random"
        resolveDependencies="true">
   <php>
       <ini name="error_reporting" value="-1"/>
   </php>

   <testsuites>
       <testsuite name="Yii Strings tests">
           <directory>./tests</directory>
       </testsuite>
   </testsuites>

   <coverage>
       <include>
           <directory>./src</directory>
       </include>
   </coverage>
</phpunit>

Output with issue

vendor/bin/roave-infection-static-analysis-plugin -j2 --ignore-msi-with-no-mutations --only-covered

   ____      ____          __  _
  /  _/___  / __/__  _____/ /_(_)___  ____
  / // __ \/ /_/ _ \/ ___/ __/ / __ \/ __ \
_/ // / / / __/  __/ /__/ /_/ / /_/ / / / /
/___/_/ /_/_/  \___/\___/\__/_/\____/_/ /_/

Infection - PHP Mutation Testing Framework version 0.26.0

Notice:  You are running Infection with PCOV enabled.

Running initial test suite...

PHPUnit version: 9.5.11

.: killed, M: escaped, U: uncovered, E: fatal error, X: syntax error, T: timed out, S: skipped, I: ignored


Generate mutants...

Processing source code files: 0
...................................MM.............   (   50)
.M.............M......M...MM......................   (  100)
..................................................   (  150)
..................................................   (  200)
..................................................   (  250)
..................................................   (  300)
........................M.M.......................   (  350)
....

354 mutations were generated:
    345 mutants were killed
      0 mutants were configured to be ignored
      0 mutants were not covered by tests
      9 covered mutants were not detected
      0 errors were encountered
      0 syntax errors were encountered
      0 time outs were encountered
      0 mutants required more time than configured

Metrics:
        Mutation Score Indicator (MSI): 97%
        Mutation Code Coverage: 100%
        Covered Code MSI: 97%

Please note that some mutants will inevitably be harmless (i.e. false positives).
Escaped mutants:
================

1) /home/runner/work/strings/strings/src/Inflector.php:500    [M] NotIdentical

--- Original
+++ New
Warning:  Sending dashboard report...
@@ @@
    {
        $regex = $strict ? '/(?<=\\p{L})(\\p{Lu})/u' : '/(?<=\\p{L})(?<!\\p{Lu})(\\p{Lu})/u';
        $result = preg_replace($regex, addslashes($separator) . '\\1', $input);
-        if ($separator !== '_') {
+        if ($separator === '_') {
            $result = str_replace('_', $separator, $result);
        }
        return mb_strtolower(trim($result, $separator));


2) /home/runner/work/strings/strings/src/Inflector.php:501    [M] UnwrapStrReplace

--- Original
+++ New
@@ @@
        $regex = $strict ? '/(?<=\\p{L})(\\p{Lu})/u' : '/(?<=\\p{L})(?<!\\p{Lu})(\\p{Lu})/u';
        $result = preg_replace($regex, addslashes($separator) . '\\1', $input);
        if ($separator !== '_') {
-            $result = str_replace('_', $separator, $result);
+            $result = $result;
        }
        return mb_strtolower(trim($result, $separator));
    }


3) /home/runner/work/strings/strings/src/Inflector.php:555    [M] MBString

--- Original
+++ New
@@ @@
    public function toCamelCase(string $input) : string
    {
        $input = $this->toPascalCase($input);
-        return mb_strtolower(mb_substr($input, 0, 1)) . mb_substr($input, 1, null);
+        return strtolower(mb_substr($input, 0, 1)) . mb_substr($input, 1, null);
    }
    /**
     * Returns given word as "snake_cased".


4) /home/runner/work/strings/strings/src/Inflector.php:621    [M] PregQuote

--- Original
+++ New
@@ @@
        // replace all non words character
        $input = preg_replace('/[^a-zA-Z0-9]++/u', $replacement, $this->toTransliterated($input));
        // remove first and last replacements
-        $input = preg_replace('/^(?:' . preg_quote($replacement, '/') . ')++|(?:' . preg_quote($replacement, '/') . ')++$/u' . ($lowercase ? 'i' : ''), '', $input);
+        $input = preg_replace('/^(?:' . $replacement . ')++|(?:' . preg_quote($replacement, '/') . ')++$/u' . ($lowercase ? 'i' : ''), '', $input);
        return $lowercase ? strtolower($input) : $input;
    }
    /**


5) /home/runner/work/strings/strings/src/Inflector.php:621    [M] PregQuote

--- Original
+++ New
@@ @@
        // replace all non words character
        $input = preg_replace('/[^a-zA-Z0-9]++/u', $replacement, $this->toTransliterated($input));
        // remove first and last replacements
-        $input = preg_replace('/^(?:' . preg_quote($replacement, '/') . ')++|(?:' . preg_quote($replacement, '/') . ')++$/u' . ($lowercase ? 'i' : ''), '', $input);
+        $input = preg_replace('/^(?:' . preg_quote($replacement, '/') . ')++|(?:' . $replacement . ')++$/u' . ($lowercase ? 'i' : ''), '', $input);
        return $lowercase ? strtolower($input) : $input;
    }
    /**


6) /home/runner/work/strings/strings/src/Inflector.php:621    [M] Ternary

--- Original
+++ New
@@ @@
        // replace all non words character
        $input = preg_replace('/[^a-zA-Z0-9]++/u', $replacement, $this->toTransliterated($input));
        // remove first and last replacements
-        $input = preg_replace('/^(?:' . preg_quote($replacement, '/') . ')++|(?:' . preg_quote($replacement, '/') . ')++$/u' . ($lowercase ? 'i' : ''), '', $input);
+        $input = preg_replace('/^(?:' . preg_quote($replacement, '/') . ')++|(?:' . preg_quote($replacement, '/') . ')++$/u' . ($lowercase ? '' : 'i'), '', $input);
        return $lowercase ? strtolower($input) : $input;
    }
    /**


7) /home/runner/work/strings/strings/src/Inflector.php:621    [M] ConcatOperandRemoval

--- Original
+++ New
@@ @@
        // replace all non words character
        $input = preg_replace('/[^a-zA-Z0-9]++/u', $replacement, $this->toTransliterated($input));
        // remove first and last replacements
-        $input = preg_replace('/^(?:' . preg_quote($replacement, '/') . ')++|(?:' . preg_quote($replacement, '/') . ')++$/u' . ($lowercase ? 'i' : ''), '', $input);
+        $input = preg_replace('/^(?:' . preg_quote($replacement, '/') . ')++|(?:' . preg_quote($replacement, '/') . ')++$/u', '', $input);
        return $lowercase ? strtolower($input) : $input;
    }
    /**


8) /home/runner/work/strings/strings/src/WildcardPattern.php:65    [M] Assignment

--- Original
+++ New
@@ @@
        $pattern = $this->pattern;
        $replacements = ['\\*\\*' => '.*', '\\\\\\\\' => '\\\\', '\\\\\\*' => '[*]', '\\\\\\?' => '[?]', '\\\\\\[' => '[\\[]', '\\\\\\]' => '[\\]]'];
        if ($this->delimiters === []) {
-            $replacements += ['\\*' => '.*', '\\?' => '?'];
+            $replacements = ['\\*' => '.*', '\\?' => '?'];
        } else {
            $notDelimiters = '[^' . preg_quote(implode('', $this->delimiters), '#') . ']';
            $replacements += ['\\*' => "{$notDelimiters}*", '\\?' => $notDelimiters];


9) /home/runner/work/strings/strings/src/WildcardPattern.php:70    [M] PregQuote

--- Original
+++ New
@@ @@
        if ($this->delimiters === []) {
            $replacements += ['\\*' => '.*', '\\?' => '?'];
        } else {
-            $notDelimiters = '[^' . preg_quote(implode('', $this->delimiters), '#') . ']';
+            $notDelimiters = '[^' . implode('', $this->delimiters) . ']';
            $replacements += ['\\*' => "{$notDelimiters}*", '\\?' => $notDelimiters];
        }
        $replacements += ['\\[\\!' => '[^', '\\[' => '[', '\\]' => ']', '\\-' => '-'];


Timed Out mutants:
==================

Skipped mutants:
================

In JsonException.php line 10:
                                                           
 Malformed UTF-8 characters, possibly incorrectly encoded  
                                                           

run [--test-framework TEST-FRAMEWORK] [--test-framework-options TEST-FRAMEWORK-OPTIONS] [-j|--threads THREADS] [--only-covered] [-s|--show-mutations] [--no-progress] [--force-progress] [-c|--configuration CONFIGURATION] [--coverage COVERAGE] [--mutators MUTATORS] [--filter FILTER] [--formatter FORMATTER] [--git-diff-filter GIT-DIFF-FILTER] [--git-diff-lines] [--git-diff-base GIT-DIFF-BASE] [--logger-github] [--logger-html LOGGER-HTML] [--noop] [--only-covering-test-cases] [--min-msi MIN-MSI] [--min-covered-msi MIN-COVERED-MSI] [--log-verbosity LOG-VERBOSITY] [--initial-tests-php-options INITIAL-TESTS-PHP-OPTIONS] [--skip-initial-tests] [--ignore-msi-with-no-mutations] [--debug] [--dry-run]

[maks-rafalko]

Thank you, please try the new release https://github.com/infection/infection/releases/tag/0.26.1

[vjik]

Thank you, please try the new release https://github.com/infection/infection/releases/tag/0.26.1

Good work! Thank you for the prompt solution.