Set failOnRisky, failOnWarning to true if parameters are not already set for mutants

Makefile

@@ -24,7 +24,7 @@ PHP_CS_FIXER_CACHE=.php_cs.cache
 PHPSTAN=./vendor/bin/phpstan
 
 PSALM=./.tools/psalm
-PSALM_URL="https://github.com/vimeo/psalm/releases/download/4.12.0/psalm.phar"
+PSALM_URL="https://github.com/vimeo/psalm/releases/download/v4.15.0/psalm.phar"
 
 PHPUNIT=vendor/phpunit/phpunit/phpunit
 PARATEST=vendor/bin/paratest --runner=WrapperRunner

src/TestFramework/PhpUnit/Config/Builder/InitialConfigBuilder.php

@@ -101,7 +101,7 @@ public function build(string $version): string
 
         $this->addCoverageNodes($version, $xPath);
         $this->addRandomTestsOrderAttributesIfNotSet($version, $xPath);
-        $this->addFailOnAttributesIfNotSet($version, $xPath);
+        $this->configManipulator->addFailOnAttributesIfNotSet($version, $xPath);
         $this->configManipulator->replaceWithAbsolutePaths($xPath);
         $this->configManipulator->setStopOnFailure($xPath);
         $this->configManipulator->deactivateColours($xPath);
@@ -155,16 +155,6 @@ private function addRandomTestsOrderAttributesIfNotSet(string $version, SafeDOMX
         }
     }
 
-    private function addFailOnAttributesIfNotSet(string $version, SafeDOMXPath $xPath): void
-    {
-        if (version_compare($version, '5.2', '<')) {
-            return;
-        }
-
-        $this->addAttributeIfNotSet('failOnRisky', 'true', $xPath);
-        $this->addAttributeIfNotSet('failOnWarning', 'true', $xPath);
-    }
-
     private function addAttributeIfNotSet(string $attribute, string $value, SafeDOMXPath $xPath): bool
     {
         $nodeList = $xPath->query(sprintf('/phpunit/@%s', $attribute));

src/TestFramework/PhpUnit/Config/Builder/MutationConfigBuilder.php

@@ -101,6 +101,7 @@ public function build(
 
         // activate PHPUnit's result cache and order tests by running defects first, then sorted by fastest first
         $this->configManipulator->handleResultCacheAndExecutionOrder($version, $xPath, $mutationHash);
+        $this->configManipulator->addFailOnAttributesIfNotSet($version, $xPath);
         $this->configManipulator->setStopOnFailure($xPath);
         $this->configManipulator->deactivateColours($xPath);
         $this->configManipulator->deactivateStderrRedirection($xPath);

src/TestFramework/PhpUnit/Config/XmlConfigurationManipulator.php

@@ -200,6 +200,16 @@ public function removeDefaultTestSuite(SafeDOMXPath $xPath): void
         );
     }
 
+    public function addFailOnAttributesIfNotSet(string $version, SafeDOMXPath $xPath): void
+    {
+        if (version_compare($version, '5.2', '<')) {
+            return;
+        }
+
+        $this->addAttributeIfNotSet('failOnRisky', 'true', $xPath);
+        $this->addAttributeIfNotSet('failOnWarning', 'true', $xPath);
+    }
+
     /**
      * @param string[] $srcDirs
      * @param list<string> $filteredSourceFilesToMutate
@@ -359,4 +369,18 @@ private function getOrCreateNode(SafeDOMXPath $xPath, DOMDocument $dom, string $
 
         return $this->createNode($dom, $nodeName);
     }
+
+    private function addAttributeIfNotSet(string $attribute, string $value, SafeDOMXPath $xPath): bool
+    {
+        $nodeList = $xPath->query(sprintf('/phpunit/@%s', $attribute));
+
+        if ($nodeList->length === 0) {
+            $node = $xPath->query('/phpunit')[0];
+            $node->setAttribute($attribute, $value);
+
+            return true;
+        }
+
+        return false;
+    }
 }

tests/phpunit/Fixtures/Files/phpunit/phpunit_with_fail_on_risky_set.xml

@@ -9,7 +9,7 @@
          processIsolation="false"
          syntaxCheck="false"
          executionOrder="reverse"
-         failOnRisky="true"
+         failOnRisky="false"
 >
     <testsuites>
         <testsuite name="Application Test Suite">

tests/phpunit/Fixtures/Files/phpunit/phpunit_with_fail_on_warning_set.xml

@@ -9,7 +9,7 @@
          processIsolation="false"
          syntaxCheck="false"
          executionOrder="reverse"
-         failOnWarning="true"
+         failOnWarning="false"
 >
     <testsuites>
         <testsuite name="Application Test Suite">

tests/phpunit/TestFramework/PhpUnit/Config/Builder/InitialConfigBuilderTest.php

@@ -407,7 +407,7 @@ public function test_it_does_not_update_fail_on_risky_attributes_if_it_is_alread
         $failOnRisky = $this->queryXpath($xml, sprintf('/phpunit/@%s', 'failOnRisky'));
 
         $this->assertInstanceOf(DOMNodeList::class, $failOnRisky);
-        $this->assertSame('true', $failOnRisky[0]->value);
+        $this->assertSame('false', $failOnRisky[0]->value);
     }
 
     public function test_it_does_not_update_fail_on_warning_attributes_if_it_is_already_set(): void
@@ -421,7 +421,7 @@ public function test_it_does_not_update_fail_on_warning_attributes_if_it_is_alre
         $failOnRisky = $this->queryXpath($xml, sprintf('/phpunit/@%s', 'failOnWarning'));
 
         $this->assertInstanceOf(DOMNodeList::class, $failOnRisky);
-        $this->assertSame('true', $failOnRisky[0]->value);
+        $this->assertSame('false', $failOnRisky[0]->value);
     }
 
     public function test_it_creates_a_configuration(): void

tests/phpunit/TestFramework/PhpUnit/Config/Builder/MutationConfigBuilderTest.php

@@ -135,7 +135,7 @@ public function test_it_preserves_white_spaces_and_formatting(): void
   ~
   ~ License: https://opensource.org/licenses/BSD-3-Clause New BSD License
   -->
-<phpunit backupGlobals="false" backupStaticAttributes="false" bootstrap="$tmp/interceptor.autoload.a1b2c3.infection.php" colors="false" convertErrorsToExceptions="true" convertNoticesToExceptions="true" convertWarningsToExceptions="true" processIsolation="false" syntaxCheck="false" stopOnFailure="true" stderr="false">
+<phpunit backupGlobals="false" backupStaticAttributes="false" bootstrap="$tmp/interceptor.autoload.a1b2c3.infection.php" colors="false" convertErrorsToExceptions="true" convertNoticesToExceptions="true" convertWarningsToExceptions="true" processIsolation="false" syntaxCheck="false" failOnRisky="true" failOnWarning="true" stopOnFailure="true" stderr="false">
   <testsuites>
     <testsuite name="Infection testsuite with filtered tests"/>
   </testsuites>
@@ -171,7 +171,7 @@ public function test_it_can_build_the_config_for_multiple_mutations(): void
   ~
   ~ License: https://opensource.org/licenses/BSD-3-Clause New BSD License
   -->
-<phpunit backupGlobals="false" backupStaticAttributes="false" bootstrap="$tmp/interceptor.autoload.hash1.infection.php" colors="false" convertErrorsToExceptions="true" convertNoticesToExceptions="true" convertWarningsToExceptions="true" processIsolation="false" syntaxCheck="false" stopOnFailure="true" stderr="false">
+<phpunit backupGlobals="false" backupStaticAttributes="false" bootstrap="$tmp/interceptor.autoload.hash1.infection.php" colors="false" convertErrorsToExceptions="true" convertNoticesToExceptions="true" convertWarningsToExceptions="true" processIsolation="false" syntaxCheck="false" failOnRisky="true" failOnWarning="true" stopOnFailure="true" stderr="false">
   <testsuites>
     <testsuite name="Infection testsuite with filtered tests">
       <file>/path/to/FooTest.php</file>
@@ -241,7 +241,7 @@ public function test_it_can_build_the_config_for_multiple_mutations(): void
   ~
   ~ License: https://opensource.org/licenses/BSD-3-Clause New BSD License
   -->
-<phpunit backupGlobals="false" backupStaticAttributes="false" bootstrap="$tmp/interceptor.autoload.hash2.infection.php" colors="false" convertErrorsToExceptions="true" convertNoticesToExceptions="true" convertWarningsToExceptions="true" processIsolation="false" syntaxCheck="false" stopOnFailure="true" stderr="false">
+<phpunit backupGlobals="false" backupStaticAttributes="false" bootstrap="$tmp/interceptor.autoload.hash2.infection.php" colors="false" convertErrorsToExceptions="true" convertNoticesToExceptions="true" convertWarningsToExceptions="true" processIsolation="false" syntaxCheck="false" failOnRisky="true" failOnWarning="true" stopOnFailure="true" stderr="false">
   <testsuites>
     <testsuite name="Infection testsuite with filtered tests">
       <file>/path/to/BarTest.php</file>
@@ -622,6 +622,108 @@ public function test_interceptor_is_included(): void
         );
     }
 
+    /**
+     * @dataProvider failOnProvider
+     */
+    public function test_it_adds_fail_on_risky_and_warning_for_proper_phpunit_versions(
+        string $version,
+        string $attributeName,
+        int $expectedNodeCount
+    ): void {
+        $xml = file_get_contents($this->builder->build(
+            [],
+            self::MUTATED_FILE_PATH,
+            self::HASH,
+            self::ORIGINAL_FILE_PATH,
+            $version
+        ));
+
+        $nodes = $this->queryXpath($xml, sprintf('/phpunit/@%s', $attributeName));
+
+        $this->assertInstanceOf(DOMNodeList::class, $nodes);
+
+        $this->assertSame($expectedNodeCount, $nodes->length);
+    }
+
+    public function test_it_does_not_update_fail_on_risky_attributes_if_it_is_already_set(): void
+    {
+        $phpunitXmlPath = self::FIXTURES . '/phpunit_with_fail_on_risky_set.xml';
+
+        $builder = $this->createConfigBuilder($phpunitXmlPath);
+
+        $xml = file_get_contents($builder->build(
+            [],
+            self::MUTATED_FILE_PATH,
+            self::HASH,
+            self::ORIGINAL_FILE_PATH,
+             '5.2'
+        ));
+
+        $failOnRisky = $this->queryXpath($xml, sprintf('/phpunit/@%s', 'failOnRisky'));
+
+        $this->assertInstanceOf(DOMNodeList::class, $failOnRisky);
+        $this->assertSame('false', $failOnRisky[0]->value);
+    }
+
+    public function test_it_does_not_update_fail_on_warning_attributes_if_it_is_already_set(): void
+    {
+        $phpunitXmlPath = self::FIXTURES . '/phpunit_with_fail_on_warning_set.xml';
+
+        $builder = $this->createConfigBuilder($phpunitXmlPath);
+
+        $xml = file_get_contents($builder->build(
+            [],
+            self::MUTATED_FILE_PATH,
+            self::HASH,
+            self::ORIGINAL_FILE_PATH,
+            '5.2'
+        ));
+
+        $failOnRisky = $this->queryXpath($xml, sprintf('/phpunit/@%s', 'failOnWarning'));
+
+        $this->assertInstanceOf(DOMNodeList::class, $failOnRisky);
+        $this->assertSame('false', $failOnRisky[0]->value);
+    }
+
+    public function failOnProvider(): iterable
+    {
+        yield 'PHPUnit 5.1.99 runs without failOnRisky' => [
+            '5.1.99',
+            'failOnRisky',
+            0,
+        ];
+
+        yield 'PHPUnit 5.2 runs with failOnRisky' => [
+            '5.2',
+            'failOnRisky',
+            1,
+        ];
+
+        yield 'PHPUnit 5.3.1 runs with failOnRisky' => [
+            '5.3.1',
+            'failOnRisky',
+            1,
+        ];
+
+        yield 'PHPUnit 5.1.99 runs without resolveDependencies' => [
+            '5.1.99',
+            'failOnWarning',
+            0,
+        ];
+
+        yield 'PHPUnit 5.2 runs with resolveDependencies' => [
+            '5.2',
+            'failOnWarning',
+            1,
+        ];
+
+        yield 'PHPUnit 5.3.1 runs resolveDependencies' => [
+            '5.3.1',
+            'failOnWarning',
+            1,
+        ];
+    }
+
     public function locationsProvider(): iterable
     {
         yield [