Basic unit tests for QgsBlockingNetworkRequest

Author: nyalldawson

tests/src/python/CMakeLists.txt

@@ -23,6 +23,7 @@ ADD_PYTHON_TEST(PyQgsAuthenticationSystem test_qgsauthsystem.py)
 ADD_PYTHON_TEST(PyQgsBearingUtils test_qgsbearingutils.py)
 ADD_PYTHON_TEST(PyQgsBinaryWidget test_qgsbinarywidget.py)
 ADD_PYTHON_TEST(PyQgsBlendModes test_qgsblendmodes.py)
+ADD_PYTHON_TEST(PyQgsBlockingNetworkRequest test_qgsblockingnetworkrequest.py)
 ADD_PYTHON_TEST(PyQgsBox3d test_qgsbox3d.py)
 ADD_PYTHON_TEST(PyQgsCategorizedSymbolRenderer test_qgscategorizedsymbolrenderer.py)
 ADD_PYTHON_TEST(PyQgsCheckableComboBox test_qgscheckablecombobox.py)

tests/src/python/test_qgsblockingnetworkrequest.py

@@ -0,0 +1,100 @@
+# -*- coding: utf-8 -*-
+"""QGIS Unit tests for QgsBlockingNetworkRequest
+
+.. note:: This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+"""
+
+from builtins import chr
+from builtins import str
+__author__ = 'Nyall Dawson'
+__date__ = '12/11/2018'
+__copyright__ = 'Copyright 2018, The QGIS Project'
+# This will get replaced with a git SHA1 when you do a git archive
+__revision__ = '$Format:%H$'
+
+import qgis  # NOQA
+
+import os
+from qgis.testing import unittest, start_app
+from qgis.core import QgsBlockingNetworkRequest
+from utilities import unitTestDataPath
+from qgis.PyQt.QtCore import QUrl
+from qgis.PyQt.QtTest import QSignalSpy
+from qgis.PyQt.QtNetwork import QNetworkReply, QNetworkRequest
+import socketserver
+import threading
+import http.server
+
+app = start_app()
+
+
+class TestQgsBlockingNetworkRequest(unittest.TestCase):
+
+    @classmethod
+    def setUpClass(cls):
+        # Bring up a simple HTTP server
+        os.chdir(unitTestDataPath() + '')
+        handler = http.server.SimpleHTTPRequestHandler
+
+        cls.httpd = socketserver.TCPServer(('localhost', 0), handler)
+        cls.port = cls.httpd.server_address[1]
+
+        cls.httpd_thread = threading.Thread(target=cls.httpd.serve_forever)
+        cls.httpd_thread.setDaemon(True)
+        cls.httpd_thread.start()
+
+    def testFetchEmptyUrl(self):
+        request = QgsBlockingNetworkRequest()
+        spy = QSignalSpy(request.downloadFinished)
+        err = request.get(QNetworkRequest(QUrl()))
+        self.assertEqual(len(spy), 1)
+        self.assertEqual(err, QgsBlockingNetworkRequest.ServerExceptionError)
+        self.assertEqual(request.errorMessage(), 'Protocol "" is unknown')
+        reply = request.reply()
+        self.assertFalse(reply.content())
+
+    def testFetchBadUrl(self):
+        request = QgsBlockingNetworkRequest()
+        spy = QSignalSpy(request.downloadFinished)
+        err = request.get(QNetworkRequest(QUrl('http://x')))
+        self.assertEqual(len(spy), 1)
+        self.assertEqual(err, QgsBlockingNetworkRequest.ServerExceptionError)
+        self.assertEqual(request.errorMessage(), 'Host x not found')
+        reply = request.reply()
+        self.assertFalse(reply.content())
+
+    def testFetchBadUrl2(self):
+        request = QgsBlockingNetworkRequest()
+        spy = QSignalSpy(request.downloadFinished)
+        err = request.get(QNetworkRequest(QUrl('http://localhost:' + str(TestQgsBlockingNetworkRequest.port) + '/ffff')))
+        self.assertEqual(len(spy), 1)
+        self.assertEqual(err, QgsBlockingNetworkRequest.ServerExceptionError)
+        self.assertIn('File not found', request.errorMessage())
+        reply = request.reply()
+        self.assertFalse(reply.content())
+        self.assertEqual(reply.rawHeaderList(), [])
+
+    def testGet(self):
+        request = QgsBlockingNetworkRequest()
+        spy = QSignalSpy(request.downloadFinished)
+        err = request.get(QNetworkRequest(QUrl('http://localhost:' + str(TestQgsBlockingNetworkRequest.port) + '/qgis_local_server/index.html')))
+        self.assertEqual(len(spy), 1)
+        self.assertEqual(err, QgsBlockingNetworkRequest.NoError)
+        self.assertEqual(request.errorMessage(), '')
+        reply = request.reply()
+        self.assertEqual(reply.error(), QNetworkReply.NoError)
+        self.assertEqual(reply.content(), '<!DOCTYPE html>\n<html lang="en">\n<head>\n\t<meta charset="utf-8" />\n\t<title>Local QGIS Server Default Index</title>\n</head>\n<body>\n  <h2 style="font-family:Arial;">Web Server Working<h2/>\n</body>\n</html>\n')
+        self.assertEqual(reply.rawHeaderList(), [b'Server',
+                                                 b'Date',
+                                                 b'Content-type',
+                                                 b'Content-Length',
+                                                 b'Last-Modified'])
+        self.assertEqual(reply.rawHeader(b'Content-type'), 'text/html')
+        self.assertEqual(reply.rawHeader(b'xxxxxxxxx'), '')
+
+
+if __name__ == "__main__":
+    unittest.main()