Re-write caching.

[plomtask] / tests / utils.py

diff --git a/tests/utils.py b/tests/utils.py
index cd0c457c0b0affb0034f5e81de2bc5d4a6139263..63b07e93e6f14ca51426e2fc00e959fdbfca7bf1 100644 (file)
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -1,22 +1,34 @@
 """Shared test utilities."""
 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):
+    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()
         self.db_conn = DatabaseConnection(self.db_file)
 
-    def tearDown(self):
+    def tearDown(self) -> None:
         self.db_conn.close()
         remove_file(self.db_file.path)
 
@@ -24,15 +36,41 @@ class TestCaseWithDB(TestCase):
 class TestCaseWithServer(TestCaseWithDB):
     """Module tests against our HTTP server/handler (and database)."""
 
-    def setUp(self):
+    def setUp(self) -> None:
         super().setUp()
         self.httpd = TaskServer(self.db_file, ('localhost', 0), TaskHandler)
         self.server_thread = Thread(target=self.httpd.serve_forever)
         self.server_thread.daemon = True
         self.server_thread.start()
+        self.conn = HTTPConnection(str(self.httpd.server_address[0]),
+                                   self.httpd.server_address[1])
 
-    def tearDown(self):
+    def tearDown(self) -> None:
         self.httpd.shutdown()
         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 302 == expected_code:
+            self.check_redirect(redirect_location)
+        else:
+            self.assertEqual(self.conn.getresponse().status, expected_code)