PHPLIB-165: Take explicit db/coll name args in Collection ctor

src/Client.php

@@ -147,7 +147,7 @@ class Client
     {
         $options += ['typeMap' => $this->typeMap];
 
-        return new Collection($this->manager, $databaseName . '.' . $collectionName, $options);
+        return new Collection($this->manager, $databaseName, $collectionName, $options);
     }
 
     /**

src/Collection.php

@@ -72,21 +72,21 @@ class Collection
      *    to use for collection operations. Defaults to the Manager's write
      *    concern.
      *
-     * @param Manager $manager   Manager instance from the driver
-     * @param string  $namespace Collection namespace (e.g. "db.collection")
-     * @param array   $options   Collection options
+     * @param Manager $manager        Manager instance from the driver
+     * @param string  $databaseName   Database name
+     * @param string  $collectionName Collection name
+     * @param array   $options        Collection options
      * @throws InvalidArgumentException
      */
-    public function __construct(Manager $manager, $namespace, array $options = [])
+    public function __construct(Manager $manager, $databaseName, $collectionName, array $options = [])
     {
-        $parts = explode('.', $namespace, 2);
-
-        if (count($parts) != 2 || strlen($parts[0]) == 0 || strlen($parts[1]) == 0) {
-            throw new InvalidArgumentException('$namespace is invalid: ' . $namespace);
+        if (strlen($databaseName) < 1) {
+            throw new InvalidArgumentException('$databaseName is invalid: ' . $databaseName);
         }
 
-        $this->databaseName = $parts[0];
-        $this->collectionName = $parts[1];
+        if (strlen($collectionName) < 1) {
+            throw new InvalidArgumentException('$collectionName is invalid: ' . $collectionName);
+        }
 
         if (isset($options['readConcern']) && ! $options['readConcern'] instanceof ReadConcern) {
             throw InvalidArgumentException::invalidType('"readConcern" option', $options['readConcern'], 'MongoDB\Driver\ReadConcern');
@@ -105,6 +105,8 @@ class Collection
         }
 
         $this->manager = $manager;
+        $this->databaseName = (string) $databaseName;
+        $this->collectionName = (string) $collectionName;
         $this->readConcern = isset($options['readConcern']) ? $options['readConcern'] : $this->manager->getReadConcern();
         $this->readPreference = isset($options['readPreference']) ? $options['readPreference'] : $this->manager->getReadPreference();
         $this->typeMap = isset($options['typeMap']) ? $options['typeMap'] : self::$defaultTypeMap;
@@ -133,6 +135,7 @@ class Collection
     /**
      * Return the collection namespace (e.g. "db.collection").
      *
+     * @see https://docs.mongodb.org/manual/faq/developers/#faq-dev-namespace
      * @param string
      */
     public function __toString()
@@ -723,6 +726,6 @@ class Collection
             'writeConcern' => $this->writeConcern,
         ];
 
-        return new Collection($this->manager, $this->databaseName . '.' . $this->collectionName, $options);
+        return new Collection($this->manager, $this->databaseName, $this->collectionName, $options);
     }
 }

src/Database.php

@@ -257,7 +257,7 @@ class Database
             'writeConcern' => $this->writeConcern,
         ];
 
-        return new Collection($this->manager, $this->databaseName . '.' . $collectionName, $options);
+        return new Collection($this->manager, $this->databaseName, $collectionName, $options);
     }
 
     /**

tests/Collection/CollectionFunctionalTest.php

@@ -15,22 +15,29 @@ class CollectionFunctionalTest extends FunctionalTestCase
 {
     /**
      * @expectedException MongoDB\Exception\InvalidArgumentException
-     * @dataProvider provideInvalidNamespaceValues
+     * @dataProvider provideInvalidDatabaseAndCollectionNames
      */
-    public function testConstructorNamespaceArgument($namespace)
+    public function testConstructorDatabaseNameArgument($databaseName)
     {
         // TODO: Move to unit test once ManagerInterface can be mocked (PHPC-378)
-        new Collection($this->manager, $namespace);
+        new Collection($this->manager, $databaseName, $this->getCollectionName());
     }
 
-    public function provideInvalidNamespaceValues()
+    /**
+     * @expectedException MongoDB\Exception\InvalidArgumentException
+     * @dataProvider provideInvalidDatabaseAndCollectionNames
+     */
+    public function testConstructorCollectionNameArgument($collectionName)
+    {
+        // TODO: Move to unit test once ManagerInterface can be mocked (PHPC-378)
+        new Collection($this->manager, $this->getDatabaseName(), $collectionName);
+    }
+
+    public function provideInvalidDatabaseAndCollectionNames()
     {
         return [
             [null],
             [''],
-            ['db_collection'],
-            ['db'],
-            ['.collection'],
         ];
     }
 
@@ -40,7 +47,7 @@ class CollectionFunctionalTest extends FunctionalTestCase
      */
     public function testConstructorOptionTypeChecks(array $options)
     {
-        new Collection($this->manager, $this->getNamespace(), $options);
+        new Collection($this->manager, $this->getDatabaseName(), $this->getCollectionName(), $options);
     }
 
     public function provideInvalidConstructorOptions()
@@ -129,7 +136,7 @@ class CollectionFunctionalTest extends FunctionalTestCase
             'writeConcern' => new WriteConcern(WriteConcern::MAJORITY),
         ];
 
-        $collection = new Collection($this->manager, $this->getNamespace(), $collectionOptions);
+        $collection = new Collection($this->manager, $this->getDatabaseName(), $this->getCollectionName(), $collectionOptions);
         $clone = $collection->withOptions();
         $debug = $clone->__debugInfo();
 

tests/Collection/CrudSpec/AggregateFunctionalTest.php

@@ -48,7 +48,7 @@ class AggregateFunctionalTest extends FunctionalTestCase
             $this->markTestSkipped('$out aggregation pipeline operator is not supported');
         }
 
-        $outputCollection = new Collection($this->manager, $this->getNamespace() . '_output');
+        $outputCollection = new Collection($this->manager, $this->getDatabaseName(), $this->getCollectionName() . '_output');
         $operation = new DropCollection($this->getDatabaseName(), $outputCollection->getCollectionName());
         $operation->execute($this->getPrimaryServer());
 

tests/Collection/FunctionalTestCase.php

@@ -17,7 +17,7 @@ abstract class FunctionalTestCase extends BaseFunctionalTestCase
     {
         parent::setUp();
 
-        $this->collection = new Collection($this->manager, $this->getNamespace());
+        $this->collection = new Collection($this->manager, $this->getDatabaseName(), $this->getCollectionName());
         $operation = new DropCollection($this->getDatabaseName(), $this->getCollectionName());
         $operation->execute($this->getPrimaryServer());
     }

tests/Database/DatabaseFunctionalTest.php

@@ -15,7 +15,7 @@ class DatabaseFunctionalTest extends FunctionalTestCase
 {
     /**
      * @expectedException MongoDB\Exception\InvalidArgumentException
-     * @dataProvider provideInvalidDatabaseValues
+     * @dataProvider provideInvalidDatabaseNames
      */
     public function testConstructorDatabaseNameArgument($databaseName)
     {
@@ -23,7 +23,7 @@ class DatabaseFunctionalTest extends FunctionalTestCase
         new Database($this->manager, $databaseName);
     }
 
-    public function provideInvalidDatabaseValues()
+    public function provideInvalidDatabaseNames()
     {
         return [
             [null],