[VarDumper] Make ClassStub handle missing classes or methods

nicolas-grekas · nicolas-grekas · commit 73b3cf723114 · 2016-09-03T12:48:35.000+02:00
diff --git a/src/Symfony/Component/VarDumper/Caster/ClassStub.php b/src/Symfony/Component/VarDumper/Caster/ClassStub.php
@@ -32,22 +32,34 @@ public function __construct($identifier, $callable = null)
             $this->attr['ellipsis'] = strlen($identifier) - $i;
         }
 
-        if (null !== $callable) {
-            if ($callable instanceof \Closure) {
-                $r = new \ReflectionFunction($callable);
-            } elseif (is_object($callable)) {
-                $r = new \ReflectionMethod($callable, '__invoke');
-            } elseif (is_array($callable)) {
-                $r = new \ReflectionMethod($callable[0], $callable[1]);
-            } elseif (false !== $i = strpos($callable, '::')) {
-                $r = new \ReflectionMethod(substr($callable, 0, $i), substr($callable, 2 + $i));
+        try {
+            if (null !== $callable) {
+                if ($callable instanceof \Closure) {
+                    $r = new \ReflectionFunction($callable);
+                } elseif (is_object($callable)) {
+                    $r = array($callable, '__invoke');
+                } elseif (is_array($callable)) {
+                    $r = $callable;
+                } elseif (false !== $i = strpos($callable, '::')) {
+                    $r = array(substr($callable, 0, $i), substr($callable, 2 + $i));
+                } else {
+                    $r = new \ReflectionFunction($callable);
+                }
+            } elseif (false !== $i = strpos($identifier, '::')) {
+                $r = array(substr($identifier, 0, $i), substr($identifier, 2 + $i));
             } else {
-                $r = new \ReflectionFunction($callable);
+                $r = new \ReflectionClass($identifier);
             }
-        } elseif (false !== $i = strpos($identifier, '::')) {
-            $r = new \ReflectionMethod(substr($identifier, 0, $i), substr($identifier, 2 + $i));
-        } else {
-            $r = new \ReflectionClass($identifier);
+
+            if (is_array($r)) {
+                try {
+                    $r = new \ReflectionMethod($r[0], $r[1]);
+                } catch (\ReflectionException $e) {
+                    $r = new \ReflectionClass($r[0]);
+                }
+            }
+        } catch (\ReflectionException $e) {
+            return;
         }
 
         if ($f = $r->getFileName()) {
diff --git a/src/Symfony/Component/VarDumper/Tests/Caster/StubCasterTest.php b/src/Symfony/Component/VarDumper/Tests/Caster/StubCasterTest.php
@@ -121,6 +121,46 @@ public function testClassStub()
   <span class=sf-dump-index>0</span> => "<a data-file="%sFooInterface.php" data-line="8"><span class=sf-dump-str title="5 characters">hello</span></a>"
 </samp>]
 </bar>
+EODUMP;
+
+        $this->assertStringMatchesFormat($expectedDump, $dump);
+    }
+
+    public function testClassStubWithNotExistingClass()
+    {
+        $var = array(new ClassStub(NotExisting::class));
+
+        $cloner = new VarCloner();
+        $dumper = new HtmlDumper();
+        $dumper->setDumpHeader('<foo></foo>');
+        $dumper->setDumpBoundaries('<bar>', '</bar>');
+        $dump = $dumper->dump($cloner->cloneVar($var), true);
+
+        $expectedDump = <<<'EODUMP'
+<foo></foo><bar><span class=sf-dump-note>array:1</span> [<samp>
+  <span class=sf-dump-index>0</span> => "<span class=sf-dump-str title="52 characters"><abbr title="Symfony\Component\VarDumper\Tests\Caster" class=sf-dump-ellipsis>Symfony\Component\VarDumper\Tests\Caster</abbr>\NotExisting</span>"
+</samp>]
+</bar>
+EODUMP;
+
+        $this->assertStringMatchesFormat($expectedDump, $dump);
+    }
+
+    public function testClassStubWithNotExistingMethod()
+    {
+        $var = array(new ClassStub('hello', array(FooInterface::class, 'missing')));
+
+        $cloner = new VarCloner();
+        $dumper = new HtmlDumper();
+        $dumper->setDumpHeader('<foo></foo>');
+        $dumper->setDumpBoundaries('<bar>', '</bar>');
+        $dump = $dumper->dump($cloner->cloneVar($var), true);
+
+        $expectedDump = <<<'EODUMP'
+<foo></foo><bar><span class=sf-dump-note>array:1</span> [<samp>
+  <span class=sf-dump-index>0</span> => "<a data-file="%sFooInterface.php" data-line="5"><span class=sf-dump-str title="5 characters">hello</span></a>"
+</samp>]
+</bar>
 EODUMP;
 
         $this->assertStringMatchesFormat($expectedDump, $dump);
