Perform sensible redirects on POSTs.

[plomtask] / tests / utils.py

diff --git a/tests/utils.py b/tests/utils.py
index 9964201bbc7d6312ed1e8cb29e1a5a359608e86f..2a919a31dbb057f4db558861d2fafe8277db5521 100644 (file)
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -2,16 +2,27 @@
 from unittest import TestCase
 from threading import Thread
 from http.client import HTTPConnection
+from urllib.parse import urlencode
 from datetime import datetime
 from os import remove as remove_file
+from typing import Mapping
 from plomtask.db import DatabaseFile, DatabaseConnection
 from plomtask.http import TaskHandler, TaskServer
+from plomtask.processes import Process, ProcessStep
+from plomtask.conditions import Condition
+from plomtask.days import Day
+from plomtask.todos import Todo
 
 
 class TestCaseWithDB(TestCase):
     """Module tests not requiring DB setup."""
 
     def setUp(self) -> None:
+        Condition.empty_cache()
+        Day.empty_cache()
+        Process.empty_cache()
+        ProcessStep.empty_cache()
+        Todo.empty_cache()
         timestamp = datetime.now().timestamp()
         self.db_file = DatabaseFile(f'test_db:{timestamp}')
         self.db_file.remake()
@@ -39,3 +50,29 @@ class TestCaseWithServer(TestCaseWithDB):
         self.httpd.server_close()
         self.server_thread.join()
         super().tearDown()
+
+    def check_redirect(self, target: str) -> None:
+        """Check that self.conn answers with a 302 redirect to target."""
+        response = self.conn.getresponse()
+        self.assertEqual(response.status, 302)
+        self.assertEqual(response.getheader('Location'), target)
+
+    def check_get(self, target: str, expected_code: int) -> None:
+        """Check that a GET to target yields expected_code."""
+        self.conn.request('GET', target)
+        self.assertEqual(self.conn.getresponse().status, expected_code)
+
+    def check_post(self, data: Mapping[str, object], target: str,
+                   expected_code: int, redirect_location: str = '') -> None:
+        """Check that POST of data to target yields expected_code."""
+        encoded_form_data = urlencode(data, doseq=True).encode('utf-8')
+        headers = {'Content-Type': 'application/x-www-form-urlencoded',
+                   'Content-Length': str(len(encoded_form_data))}
+        self.conn.request('POST', target,
+                          body=encoded_form_data, headers=headers)
+        if redirect_location == '':
+            redirect_location = target
+        if 302 == expected_code:
+            self.check_redirect(redirect_location)
+        else:
+            self.assertEqual(self.conn.getresponse().status, expected_code)