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1import unittest
2
3from importlib import resources
4from . import data01
5from . import util
6
7
8class CommonBinaryTests(util.CommonResourceTests, unittest.TestCase):
9    def execute(self, package, path):
10        with resources.open_binary(package, path):
11            pass
12
13
14class CommonTextTests(util.CommonResourceTests, unittest.TestCase):
15    def execute(self, package, path):
16        with resources.open_text(package, path):
17            pass
18
19
20class OpenTests:
21    def test_open_binary(self):
22        with resources.open_binary(self.data, 'binary.file') as fp:
23            result = fp.read()
24            self.assertEqual(result, b'\x00\x01\x02\x03')
25
26    def test_open_text_default_encoding(self):
27        with resources.open_text(self.data, 'utf-8.file') as fp:
28            result = fp.read()
29            self.assertEqual(result, 'Hello, UTF-8 world!\n')
30
31    def test_open_text_given_encoding(self):
32        with resources.open_text(
33                self.data, 'utf-16.file', 'utf-16', 'strict') as fp:
34            result = fp.read()
35        self.assertEqual(result, 'Hello, UTF-16 world!\n')
36
37    def test_open_text_with_errors(self):
38        # Raises UnicodeError without the 'errors' argument.
39        with resources.open_text(
40                self.data, 'utf-16.file', 'utf-8', 'strict') as fp:
41            self.assertRaises(UnicodeError, fp.read)
42        with resources.open_text(
43                self.data, 'utf-16.file', 'utf-8', 'ignore') as fp:
44            result = fp.read()
45        self.assertEqual(
46            result,
47            'H\x00e\x00l\x00l\x00o\x00,\x00 '
48            '\x00U\x00T\x00F\x00-\x001\x006\x00 '
49            '\x00w\x00o\x00r\x00l\x00d\x00!\x00\n\x00')
50
51    def test_open_binary_FileNotFoundError(self):
52        self.assertRaises(
53            FileNotFoundError,
54            resources.open_binary, self.data, 'does-not-exist')
55
56    def test_open_text_FileNotFoundError(self):
57        self.assertRaises(
58            FileNotFoundError,
59            resources.open_text, self.data, 'does-not-exist')
60
61
62class OpenDiskTests(OpenTests, unittest.TestCase):
63    def setUp(self):
64        self.data = data01
65
66
67class OpenZipTests(OpenTests, util.ZipSetup, unittest.TestCase):
68    pass
69
70
71if __name__ == '__main__':
72    unittest.main()
73