Add tests for utils.webelem

qutebrowser/test/test_webelem.py

@@ -0,0 +1,94 @@
+# Copyright 2014 Florian Bruhin (The Compiler) <mail@qutebrowser.org>
+#
+# This file is part of qutebrowser.
+#
+# qutebrowser 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 3 of the License, or
+# (at your option) any later version.
+#
+# qutebrowser is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with qutebrowser.  If not, see <http://www.gnu.org/licenses/>.
+
+# pylint: disable=missing-docstring
+
+"""Tests for the webelement utils."""
+
+import unittest
+from unittest import TestCase
+from unittest.mock import Mock
+
+from PyQt5.QtCore import QRect, QPoint
+
+import qutebrowser.utils.webelem as webelem
+
+
+class FakeWebElement:
+
+    def __init__(self, geometry=None, frame=None, null=False):
+        self.geometry = Mock(return_value=geometry)
+        self.webFrame = Mock(return_value=frame)
+        self.isNull = Mock(return_value=null)
+
+
+class FakeWebFrame:
+
+    def __init__(self, geometry, scroll):
+        self.geometry = Mock(return_value=geometry)
+        self.scrollPosition = Mock(return_value=scroll)
+
+
+class IsVisibleInvalidTests(TestCase):
+
+    def setUp(self):
+        self.frame = FakeWebFrame(QRect(0, 0, 100, 100), QPoint(0, 0))
+
+    def test_nullelem(self):
+        elem = FakeWebElement(null=True)
+        with self.assertRaises(ValueError):
+            webelem.is_visible(elem)
+        elem.isNull.assert_called_once_with()
+        self.assertFalse(elem.geometry.called)
+        self.assertFalse(elem.webFrame.called)
+
+    def test_invalid_invisible(self):
+        elem = FakeWebElement(geometry=QRect(0, 0, 0, 0))
+        self.assertFalse(elem.geometry().isValid())
+        self.assertEqual(elem.geometry().x(), 0)
+        self.assertFalse(webelem.is_visible(elem))
+
+    def test_invalid_visible(self):
+        elem = FakeWebElement(geometry=QRect(10, 10, 0, 0))
+        self.assertFalse(elem.geometry().isValid())
+        self.assertTrue(webelem.is_visible(elem, self.frame))
+
+
+class IsVisibleScrollTests(TestCase):
+
+    def setUp(self):
+        self.frame = FakeWebFrame(QRect(0, 0, 100, 100), QPoint(10, 10))
+
+    def test_invisible(self):
+        elem = FakeWebElement(geometry=QRect(9, 9, 0, 0))
+        self.assertFalse(webelem.is_visible(elem, self.frame))
+
+    def test_visible(self):
+        elem = FakeWebElement(geometry=QRect(10, 10, 0, 0))
+        self.assertTrue(webelem.is_visible(elem, self.frame))
+
+
+class JavascriptEscapeTests(TestCase):
+
+    def test_escape(self):
+        self.assertEqual(
+            webelem.javascript_escape('one\\two\nthree\tfour\'five"six'),
+            r"""one\\two\nthree\tfour\'five\"six""")
+
+
+if __name__ == '__main__':
+    unittest.main()