Fix contract update method. Add phpunit for TDD.

Author: eldy

test/phpunit/ContratTest.php

@@ -130,7 +130,33 @@ public function testContratOther($localobject)
 		print __METHOD__." localobject->date_creation=".$localobject->date_creation."\n";
 		$this->assertNotEquals($localobject->date_creation, '');
 
-		return $localobject->id;
+		return $localobject;
+	}
+
+	/**
+	 * testContratUpdate
+	 *
+	 * @param	Contrat		$localobject	Object contract
+	 * @return	int
+	 *
+	 * @depends	testContratOther
+	 * The depends says test is run only if previous is ok
+	 */
+	public function testContratUpdate($localobject)
+	{
+		global $conf,$user,$langs,$db;
+		$conf = $this->savconf;
+		$user = $this->savuser;
+		$langs = $this->savlangs;
+		$db = $this->savdb;
+
+		$localobject->note_private = 'New private note';
+
+		$result = $localobject->update($user);
+
+		print __METHOD__." id=".$localobject->id." result=".$result."\n";
+		$this->assertLessThan($result, 0);
+		return $result;
 	}
 
 	/**
@@ -139,7 +165,7 @@ public function testContratOther($localobject)
 	 * @param	int		$id		Id of contract
 	 * @return	int
 	 *
-	 * @depends	testContratOther
+	 * @depends	testContratUpdate
 	 * The depends says test is run only if previous is ok
 	 */
 	public function testContratDelete($id)