bug #17694 [2.7] [DoctrineBridge] [Form] fix choice_value in EntityType (HeahDude)

This PR was merged into the 2.7 branch.

Discussion
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[2.7] [DoctrineBridge] [Form] fix choice_value in EntityType

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #17693, #17271, #13964
| License       | MIT
| Doc PR        | symfony/symfony-docs#6260

Commits
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2336d5c fix choice_value option in EntityType and add some tests

Author: fabpot

src/Symfony/Bridge/Doctrine/Form/ChoiceList/DoctrineChoiceLoader.php

@@ -146,7 +146,7 @@ public function loadChoicesForValues(array $values, $value = null)
 
         // Optimize performance in case we have an object loader and
         // a single-field identifier
-        if (!$this->choiceList && $this->objectLoader && $this->idReader->isSingleId()) {
+        if (null === $value && !$this->choiceList && $this->objectLoader && $this->idReader->isSingleId()) {
             $unorderedObjects = $this->objectLoader->getEntitiesByIds($this->idReader->getIdField(), $values);
             $objectsById = array();
             $objects = array();

src/Symfony/Bridge/Doctrine/Tests/Form/Type/EntityTypeTest.php

@@ -740,6 +740,55 @@ public function testOverrideChoices()
         $this->assertSame('2', $field->getViewData());
     }
 
+    public function testOverrideChoicesValues()
+    {
+        $entity1 = new SingleIntIdEntity(1, 'Foo');
+        $entity2 = new SingleIntIdEntity(2, 'Bar');
+
+        $this->persist(array($entity1, $entity2));
+
+        $field = $this->factory->createNamed('name', 'entity', null, array(
+            'em' => 'default',
+            'class' => self::SINGLE_IDENT_CLASS,
+            'choice_label' => 'name',
+            'choice_value' => 'name',
+        ));
+
+        $field->submit('Bar');
+
+        $this->assertEquals(array('Foo' => new ChoiceView($entity1, 'Foo', 'Foo'), 'Bar' => new ChoiceView($entity2, 'Bar', 'Bar')), $field->createView()->vars['choices']);
+        $this->assertTrue($field->isSynchronized(), 'Field should be synchronized.');
+        $this->assertSame($entity2, $field->getData(), 'Entity should be loaded by custom value.');
+        $this->assertSame('Bar', $field->getViewData());
+    }
+
+    public function testOverrideChoicesValuesWithCallable()
+    {
+        $entity1 = new GroupableEntity(1, 'Foo', 'BazGroup');
+        $entity2 = new GroupableEntity(2, 'Bar', 'BooGroup');
+
+        $this->persist(array($entity1, $entity2));
+
+        $field = $this->factory->createNamed('name', 'entity', null, array(
+            'em' => 'default',
+            'class' => self::ITEM_GROUP_CLASS,
+            'choice_label' => 'name',
+            'choice_value' => function (GroupableEntity $entity) {
+                return $entity->groupName.'/'.$entity->name;
+            },
+        ));
+
+        $field->submit('BooGroup/Bar');
+
+        $this->assertEquals(array(
+            'BazGroup/Foo' => new ChoiceView($entity1, 'BazGroup/Foo', 'Foo'),
+            'BooGroup/Bar' => new ChoiceView($entity2, 'BooGroup/Bar', 'Bar'),
+            ), $field->createView()->vars['choices']);
+        $this->assertTrue($field->isSynchronized(), 'Field should be synchronized.');
+        $this->assertSame($entity2, $field->getData(), 'Entity should be loaded by custom value.');
+        $this->assertSame('BooGroup/Bar', $field->getViewData());
+    }
+
     public function testGroupByChoices()
     {
         $item1 = new GroupableEntity(1, 'Foo', 'Group1');