Added utility to find project ID from URL.

This is mostly useful for the CLI interface, as the majority of our Pillar
code actually needs more project information than just the ID.

tests/test_api/test_project_utils.py

@@ -0,0 +1,29 @@
+# -*- encoding: utf-8 -*-
+
+"""Unit tests for pillar.api.project.utils."""
+
+import logging
+
+from bson import ObjectId
+from pillar.tests import AbstractPillarTest
+
+log = logging.getLogger(__name__)
+
+
+class ProjectUtilsTest(AbstractPillarTest):
+    def test_project_id_from_url(self):
+        self.enter_app_context()
+
+        self.ensure_project_exists({'_id': ObjectId(24 * 'a'), 'url': 'project1'})
+        self.ensure_project_exists({'_id': ObjectId(24 * 'b'), 'url': 'project2'})
+        self.ensure_project_exists({'_id': ObjectId(24 * 'c'), 'url': 'project3'})
+
+        from pillar.api.projects.utils import project_id
+
+        pid1 = project_id('project1')
+        pid2 = project_id('project2')
+        pid3 = project_id('project3')
+
+        self.assertEqual(ObjectId(24 * 'a'), pid1)
+        self.assertEqual(ObjectId(24 * 'b'), pid2)
+        self.assertEqual(ObjectId(24 * 'c'), pid3)