tests: added unit test verifying the correct runthrough of the query param filtering.

Author: cbrand

README.md

@@ -41,7 +41,7 @@ from filterparams import build_parser
 url = urlsplit(
     '/users?filter[param][name][like][no_brand_name]=doe'
     '&filter[param][first_name]=doe%&filter[binding]='
-    '(!no_brand_name&first_name)&filter[order]=name'
+    '(!no_brand_name%26first_name)&filter[order]=name'
     '&filter[order]=desc(first_name)'
 )
 params = parse_qs(url.query)

test/filterparams_tests/test_example.py

@@ -0,0 +1,42 @@
+# -*- encoding: utf-8 -*-
+
+from unittest import TestCase
+
+from urllib.parse import urlsplit, parse_qs
+
+from filterparams import build_parser
+from filterparams.obj import And
+
+
+class TestExample(TestCase):
+
+    def test_full_run(self):
+        url = urlsplit(
+            '/users?filter[param][name][like][no_brand_name]=doe'
+            '&filter[param][first_name]=doe%&filter[binding]='
+            '(!no_brand_name%26first_name)&filter[order]=name'
+            '&filter[order]=desc(first_name)'
+        )
+        params = parse_qs(url.query)
+
+        valid_filters = ['eq', 'like']
+        default_filter = 'eq'
+
+        parser = build_parser(
+            valid_filters=valid_filters,
+            default_filter=default_filter,
+        )
+
+        query = parser(params)
+        self.assertIsInstance(
+            query.param_order,
+            And,
+        )
+        self.assertEqual(
+            query.orders[0].name,
+            'name',
+        )
+        self.assertEqual(
+            query.orders[1].name,
+            'first_name'
+        )