Fixes #1579: throw exception when the given AR relation name does not match in a case sensitive manner.

Renamed `ActiveRecord::getPopulatedRelations()` to `getRelatedRecords()`

extensions/yii/sphinx/ActiveRecord.php

@@ -29,7 +29,7 @@ use yii\helpers\StringHelper;
  * @property mixed $oldPrimaryKey The old primary key value. An array (column name => column value) is
  * returned if the primary key is composite. A string is returned otherwise (null will be returned if the key
  * value is null). This property is read-only.
- * @property array $populatedRelations An array of relation data indexed by relation names. This property is
+ * @property array $relatedRecords An array of the populated related records indexed by relation names. This property is
  * read-only.
  * @property mixed $primaryKey The primary key value. An array (column name => column value) is returned if
  * the primary key is composite. A string is returned otherwise (null will be returned if the key value is null).

framework/CHANGELOG.md

@@ -21,11 +21,13 @@ Yii Framework 2 Change Log
 - Enh #1469: ActiveRecord::find() now works with default conditions (default scope) applied by createQuery (cebe)
 - Enh #1523: Query conditions now allow to use the NOT operator (cebe)
 - Enh #1552: It is now possible to use multiple bootstrap NavBar in a single page (Alex-Code)
+- Enh #1579: throw exception when the given AR relation name does not match in a case sensitive manner (qiangxue)
 - Enh: Added `favicon.ico` and `robots.txt` to defauly application templates (samdark)
 - Enh: Added `Widget::autoIdPrefix` to support prefixing automatically generated widget IDs (qiangxue)
 - Enh: Support for file aliases in console command 'message' (omnilight)
 - Enh: Sort and Paginiation can now create absolute URLs (cebe)
 - Chg: Renamed `yii\jui\Widget::clientEventsMap` to `clientEventMap` (qiangxue)
+- Chg: Renamed `ActiveRecord::getPopulatedRelations()` to `getRelatedRecords()` (qiangxue)
 - Chg: Added `yii\widgets\InputWidget::options` (qiangxue)
 - New #1438: [MongoDB integration](https://github.com/yiisoft/yii2-mongodb) ActiveRecord and Query (klimov-paul)
 - New #1393: [Codeception testing framework integration](https://github.com/yiisoft/yii2-codeception) (Ragazzo)

framework/yii/db/BaseActiveRecord.php

@@ -30,7 +30,7 @@ use yii\helpers\Inflector;
  * @property mixed $oldPrimaryKey The old primary key value. An array (column name => column value) is
  * returned if the primary key is composite. A string is returned otherwise (null will be returned if the key
  * value is null). This property is read-only.
- * @property array $populatedRelations An array of relation data indexed by relation names. This property is
+ * @property array $relatedRecords An array of the populated related records indexed by relation names. This property is
  * read-only.
  * @property mixed $primaryKey The primary key value. An array (column name => column value) is returned if
  * the primary key is composite. A string is returned otherwise (null will be returned if the key value is null).
@@ -232,6 +232,13 @@ abstract class BaseActiveRecord extends Model implements ActiveRecordInterface
 			}
 			$value = parent::__get($name);
 			if ($value instanceof ActiveRelationInterface) {
+				if (method_exists($this, 'get' . $name)) {
+					$method = new \ReflectionMethod($this, 'get' . $name);
+					$realName = lcfirst(substr($method->getName(), 3));
+					if ($realName !== $name) {
+						throw new InvalidParamException('Relation names are case sensitive. ' . get_class($this) . " has a relation named \"$realName\" instead of \"$name\".");
+					}
+				}
 				return $this->_related[$name] = $value->multiple ? $value->all() : $value->one();
 			} else {
 				return $value;
@@ -390,10 +397,10 @@ abstract class BaseActiveRecord extends Model implements ActiveRecordInterface
 	}
 
 	/**
-	 * Returns all populated relations.
+	 * Returns all populated related records.
-	 * @return array an array of relation data indexed by relation names.
+	 * @return array an array of related records indexed by relation names.
 	 */
-	public function getPopulatedRelations()
+	public function getRelatedRecords()
 	{
 		return $this->_related;
 	}
@@ -999,15 +1006,25 @@ abstract class BaseActiveRecord extends Model implements ActiveRecordInterface
 	{
 		$getter = 'get' . $name;
 		try {
+			// the relation could be defined in a behavior
 			$relation = $this->$getter();
-			if ($relation instanceof ActiveRelationInterface) {
-				return $relation;
-			} else {
-				throw new InvalidParamException(get_class($this) . ' has no relation named "' . $name . '".');
-			}
 		} catch (UnknownMethodException $e) {
 			throw new InvalidParamException(get_class($this) . ' has no relation named "' . $name . '".', 0, $e);
 		}
+		if (!$relation instanceof ActiveRelationInterface) {
+			throw new InvalidParamException(get_class($this) . ' has no relation named "' . $name . '".');
+		}
+
+		if (method_exists($this, $getter)) {
+			// relation name is case sensitive, trying to validate it when the relation is defined within this class
+			$method = new \ReflectionMethod($this, $getter);
+			$realName = lcfirst(substr($method->getName(), 3));
+			if ($realName !== $name) {
+				throw new InvalidParamException('Relation names are case sensitive. ' . get_class($this) . " has a relation named \"$realName\" instead of \"$name\".");
+			}
+		}
+
+		return $relation;
 	}
 
 	/**

tests/unit/extensions/mongodb/ActiveRelationTest.php

@@ -69,7 +69,7 @@ class ActiveRelationTest extends MongoDbTestCase
 		$this->assertTrue($order->isRelationPopulated('customer'));
 		$this->assertTrue($customer instanceof Customer);
 		$this->assertEquals((string)$customer->_id, (string)$order->customer_id);
-		$this->assertEquals(1, count($order->populatedRelations));
+		$this->assertEquals(1, count($order->relatedRecords));
 	}
 
 	public function testFindEager()

tests/unit/extensions/sphinx/ActiveRelationTest.php

@@ -29,7 +29,7 @@ class ActiveRelationTest extends SphinxTestCase
 		$index = $article->index;
 		$this->assertTrue($article->isRelationPopulated('index'));
 		$this->assertTrue($index instanceof ArticleIndex);
-		$this->assertEquals(1, count($article->populatedRelations));
+		$this->assertEquals(1, count($article->relatedRecords));
 		$this->assertEquals($article->id, $index->id);
 	}
 

tests/unit/extensions/sphinx/ExternalActiveRelationTest.php

@@ -32,7 +32,7 @@ class ExternalActiveRelationTest extends SphinxTestCase
 		$source = $article->source;
 		$this->assertTrue($article->isRelationPopulated('source'));
 		$this->assertTrue($source instanceof ArticleDb);
-		$this->assertEquals(1, count($article->populatedRelations));
+		$this->assertEquals(1, count($article->relatedRecords));
 
 		// has many :
 		/*$this->assertFalse($article->isRelationPopulated('tags'));

tests/unit/framework/ar/ActiveRecordTestTrait.php

@@ -392,14 +392,14 @@ trait ActiveRecordTestTrait
 		$orders = $customer->orders;
 		$this->assertTrue($customer->isRelationPopulated('orders'));
 		$this->assertEquals(2, count($orders));
-		$this->assertEquals(1, count($customer->populatedRelations));
+		$this->assertEquals(1, count($customer->relatedRecords));
 
 		/** @var Customer $customer */
 		$customer = $this->callCustomerFind(2);
 		$this->assertFalse($customer->isRelationPopulated('orders'));
 		$orders = $customer->getOrders()->where(['id' => 3])->all();
 		$this->assertFalse($customer->isRelationPopulated('orders'));
-		$this->assertEquals(0, count($customer->populatedRelations));
+		$this->assertEquals(0, count($customer->relatedRecords));
 
 		$this->assertEquals(1, count($orders));
 		$this->assertEquals(3, $orders[0]->id);
@@ -421,7 +421,7 @@ trait ActiveRecordTestTrait
 		$customer = $this->callCustomerFind()->where(['id' => 1])->with('orders')->one();
 		$this->assertTrue($customer->isRelationPopulated('orders'));
 		$this->assertEquals(1, count($customer->orders));
-		$this->assertEquals(1, count($customer->populatedRelations));
+		$this->assertEquals(1, count($customer->relatedRecords));
 	}
 
 	public function testFindLazyVia()