separate call into call and callFinder

Having explicit methods should aide debugging - and make the intention
clear. also the finder index is indexed by type, not find method (e.g.
"list", not "findlist").

Cake/ORM/BehaviorRegistry.php

@@ -196,7 +196,7 @@ public function hasFinder($method) {
 	}
 
 /**
- * Invoke a method or finder on a behavior.
+ * Invoke a method on a behavior.
  *
  * @param string $method The method to invoke.
  * @param array $args The arguments you want to invoke the method with.
@@ -210,12 +210,26 @@ public function call($method, array $args = []) {
 			return call_user_func_array([$this->_loaded[$behavior], $callMethod], $args);
 		}
 
-		if ($this->hasFinder($method)) {
-			list($behavior, $callMethod) = $this->_finderMap[$method];
+		throw new Error\Exception(__d('cake_dev', 'Cannot call "%s" it does not belong to any attached behaviors.', $method));
+	}
+
+/**
+ * Invoke a finder on a behavior.
+ *
+ * @param string $type The finder type to invoke.
+ * @param array $args The arguments you want to invoke the method with.
+ * @return mixed The return value depends on the underlying behavior method.
+ * @throws Cake\Error\Exception When the method is unknown.
+ */
+	public function callFinder($type, array $args = []) {
+		$type = strtolower($type);
+
+		if ($this->hasFinder($type)) {
+			list($behavior, $callMethod) = $this->_finderMap[$type];
 			return call_user_func_array([$this->_loaded[$behavior], $callMethod], $args);
 		}
 
-		throw new Error\Exception(__d('cake_dev', 'Cannot call "%s" it does not belong to any attached behaviors.', $method));
+		throw new Error\Exception(__d('cake_dev', 'Cannot call finder "%s" it does not belong to any attached behaviors.', $type));
 	}
 
 }

Cake/Test/TestCase/ORM/BehaviorRegistryTest.php

@@ -179,10 +179,6 @@ public function testCall() {
 		$this->Behaviors->load('Sluggable');
 		$result = $this->Behaviors->call('slugify', ['some value']);
 		$this->assertEquals('some_value', $result);
-
-		$query = $this->getMock('Cake\ORM\Query', [], [null, null]);
-		$result = $this->Behaviors->call('noSlug', [$query]);
-		$this->assertEquals($query, $result);
 	}
 
 /**
@@ -196,4 +192,30 @@ public function testCallError() {
 		$this->Behaviors->call('nope');
 	}
 
+/**
+ * test call finder
+ *
+ * @return void
+ */
+	public function testCallFinder() {
+		$this->Behaviors->load('Sluggable');
+		$result = $this->Behaviors->call('slugify', ['some value']);
+		$this->assertEquals('some_value', $result);
+
+		$query = $this->getMock('Cake\ORM\Query', [], [null, null]);
+		$result = $this->Behaviors->callFinder('noSlug', [$query]);
+		$this->assertEquals($query, $result);
+	}
+
+/**
+ * Test errors on unknown methods.
+ *
+ * @expectedException Cake\Error\Exception
+ * @expectedExceptionMessage Cannot call finder "nope"
+ */
+	public function testCallFinderError() {
+		$this->Behaviors->load('Sluggable');
+		$this->Behaviors->callFinder('nope');
+	}
+
 }