Adding server mode

tests/test_core/test_server.py

@@ -0,0 +1,19 @@
+from mock import patch
+import sure  # flake8: noqa
+
+from moto.server import main
+
+
+def test_wrong_arguments():
+    try:
+        main(["name", "test1", "test2"])
+        assert False, ("main() when called with the incorrect number of args"
+                       " should raise a system exit")
+    except SystemExit:
+        pass
+
+
+@patch('moto.server.app.run')
+def test_right_arguments(app_run):
+    main(["name", "s3"])
+    app_run.assert_called_once_with()

tests/test_core/test_url_mapping.py

@@ -0,0 +1,20 @@
+import sure  # flake8: noqa
+
+from moto.core.utils import convert_regex_to_flask_path
+
+
+def test_flask_path_converting_simple():
+    convert_regex_to_flask_path("/").should.equal("/")
+    convert_regex_to_flask_path("/$").should.equal("/")
+
+    convert_regex_to_flask_path("/foo").should.equal("/foo")
+
+    convert_regex_to_flask_path("/foo/bar/").should.equal("/foo/bar/")
+
+
+def test_flask_path_converting_regex():
+    convert_regex_to_flask_path("/(?P<key_name>\w+)").should.equal('/<regex("\w+"):key_name>')
+
+    convert_regex_to_flask_path("(?P<account_id>\d+)/(?P<queue_name>.*)$").should.equal(
+        '<regex("\d+"):account_id>/<regex(".*"):queue_name>'
+    )