Explicitly disable validation for default and const values, fixes #119

src/JsonSchema.php

@@ -173,7 +173,7 @@ public static function setUpProperties($properties, JsonBasicSchema $ownerSchema
         $ownerSchema->addPropertyMapping('$schema', self::names()->schema);
         $properties->title = JsonBasicSchema::string();
         $properties->description = JsonBasicSchema::string();
-        $properties->default = new JsonBasicSchema();
+        $properties->default = (object)array();
         $properties->multipleOf = JsonBasicSchema::number();
         $properties->multipleOf->minimum = 0;
         $properties->multipleOf->exclusiveMinimum = true;

src/Wrapper.php

@@ -105,6 +105,9 @@ public function getProperties()
      */
     public function getProperty($name)
     {
+        if ($name === Schema::CONST_PROPERTY || $name === Schema::DEFAULT_PROPERTY) {
+            return null;
+        }
         return isset($this->schema->properties[$name]) ? $this->schema->properties[$name] : null;
     }
 

tests/src/Helper/WithConst.php

@@ -0,0 +1,25 @@
+<?php
+
+namespace Swaggest\JsonSchema\Tests\Helper;
+
+use Swaggest\JsonSchema\Constraint\Properties;
+use Swaggest\JsonSchema\Schema;
+use Swaggest\JsonSchema\Structure\ClassStructure;
+
+class WithConst extends ClassStructure
+{
+    /** @var string */
+    public $foo;
+
+    /**
+     * @param Properties|static $properties
+     * @param Schema $ownerSchema
+     */
+    public static function setUpProperties($properties, Schema $ownerSchema)
+    {
+        $properties->foo = Schema::string();
+        $properties->foo->const = "abc";
+
+        $ownerSchema->type = Schema::OBJECT;
+    }
+}

tests/src/PHPUnit/ClassStructure/ClassStructureTest.php

@@ -8,6 +8,7 @@
 use Swaggest\JsonSchema\Tests\Helper\SampleProperties;
 use Swaggest\JsonSchema\Tests\Helper\SampleStructure;
 use Swaggest\JsonSchema\Tests\Helper\StructureWithItems;
+use Swaggest\JsonSchema\Tests\Helper\WithConst;
 
 class ClassStructureTest extends \PHPUnit_Framework_TestCase
 {
@@ -142,4 +143,10 @@ public function testPatternPropertiesMismatch()
         $properties->setXValue('xfoo', 'bar');
     }
 
+    function testGeneratedValid()
+    {
+        $v = WithConst::import((object)array('foo' => 'abc'));
+        $this->assertSame('{"foo":"abc"}', json_encode($v));
+    }
+
 }