Final validation: Empty source field support working correctly

Co-authored-by: alcohol <[email protected]>

Author: Copilot

final_validation.php

@@ -0,0 +1,55 @@
+<?php
+require_once 'vendor/autoload.php';
+
+use Composer\Package\CompletePackage;
+use Composer\Satis\Builder\ArchiveBuilderHelper;
+use Symfony\Component\Console\Output\BufferedOutput;
+
+echo "=== FINAL VALIDATION: Empty Source Fields Support ===\n\n";
+
+// Simulate the exact scenario from the issue: phpstan/phpstan with empty source fields
+$problematicPackage = new CompletePackage('phpstan/phpstan', '1.12.32.0', '1.12.32');
+$problematicPackage->setSourceType('');        // Empty type
+$problematicPackage->setSourceUrl('');         // Empty URL  
+$problematicPackage->setSourceReference('');   // Empty reference
+
+echo "1. Testing package with empty source fields (like phpstan/phpstan):\n";
+echo "   Package: " . $problematicPackage->getPrettyString() . "\n";
+echo "   Source: type='" . $problematicPackage->getSourceType() . "', url='" . $problematicPackage->getSourceUrl() . "'\n";
+echo "   Dist: type='" . $problematicPackage->getDistType() . "', url='" . $problematicPackage->getDistUrl() . "'\n";
+
+$output = new BufferedOutput();
+$helper = new ArchiveBuilderHelper($output, ['directory' => 'dist']);
+
+$isSkipped = $helper->isSkippable($problematicPackage);
+echo "   Result: " . ($isSkipped ? "✅ SKIPPED (no crash!)" : "❌ NOT SKIPPED (would crash)") . "\n";
+echo "   Message: " . trim($output->fetch()) . "\n\n";
+
+// Test with a normal package to ensure we didn't break anything
+$normalPackage = new CompletePackage('monolog/monolog', '2.0.0', '2.0.0');
+$normalPackage->setSourceType('git');
+$normalPackage->setSourceUrl('https://github.com/Seldaek/monolog.git');
+$normalPackage->setSourceReference('abc123');
+
+echo "2. Testing normal package (should not be skipped):\n";
+echo "   Package: " . $normalPackage->getPrettyString() . "\n";
+echo "   Source: type='" . $normalPackage->getSourceType() . "', url='" . $normalPackage->getSourceUrl() . "'\n";
+
+$output2 = new BufferedOutput();
+$helper2 = new ArchiveBuilderHelper($output2, ['directory' => 'dist']);
+
+$isSkipped2 = $helper2->isSkippable($normalPackage);
+echo "   Result: " . ($isSkipped2 ? "❌ SKIPPED (shouldn't be)" : "✅ NOT SKIPPED (correct)") . "\n";
+$message2 = trim($output2->fetch());
+echo "   Message: " . ($message2 ? $message2 : "(no message - correct)") . "\n\n";
+
+// Summary
+echo "=== SUMMARY ===\n";
+if ($isSkipped && !$isSkipped2) {
+    echo "✅ SUCCESS: Satis now supports packages with empty source fields!\n";
+    echo "   - Packages with empty source/dist are skipped (prevents crash)\n";
+    echo "   - Normal packages are processed normally (no regression)\n";
+    echo "   - Behavior matches the rest of the Composer ecosystem\n";
+} else {
+    echo "❌ ISSUE: Implementation needs adjustment\n";
+}