summary refs log tree commit diff
path: root/tests/config/test_base.py
blob: 41ade507146e5797f69d59fd9127a5af762958a9 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
#
# This file is licensed under the Affero General Public License (AGPL) version 3.
#
# Copyright (C) 2023 New Vector, Ltd
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# See the GNU Affero General Public License for more details:
# <https://www.gnu.org/licenses/agpl-3.0.html>.
#
# Originally licensed under the Apache License, Version 2.0:
# <http://www.apache.org/licenses/LICENSE-2.0>.
#
# [This file includes modifications made by New Vector Limited]
#
#

import os.path
import tempfile
from unittest.mock import Mock

from synapse.config import ConfigError
from synapse.config._base import Config
from synapse.util.stringutils import random_string

from tests import unittest


class BaseConfigTestCase(unittest.TestCase):
    def setUp(self) -> None:
        # The root object needs a server property with a public_baseurl.
        root = Mock()
        root.server.public_baseurl = "http://test"
        self.config = Config(root)

    def test_loading_missing_templates(self) -> None:
        # Use a temporary directory that exists on the system, but that isn't likely to
        # contain template files
        with tempfile.TemporaryDirectory() as tmp_dir:
            # Attempt to load an HTML template from our custom template directory
            template = self.config.read_templates(["sso_error.html"], (tmp_dir,))[0]

        # If no errors, we should've gotten the default template instead

        # Render the template
        a_random_string = random_string(5)
        html_content = template.render({"error_description": a_random_string})

        # Check that our string exists in the template
        self.assertIn(
            a_random_string,
            html_content,
            "Template file did not contain our test string",
        )

    def test_loading_custom_templates(self) -> None:
        # Use a temporary directory that exists on the system
        with tempfile.TemporaryDirectory() as tmp_dir:
            # Create a temporary bogus template file
            with tempfile.NamedTemporaryFile(dir=tmp_dir) as tmp_template:
                # Get temporary file's filename
                template_filename = os.path.basename(tmp_template.name)

                # Write a custom HTML template
                contents = b"{{ test_variable }}"
                tmp_template.write(contents)
                tmp_template.flush()

                # Attempt to load the template from our custom template directory
                template = (
                    self.config.read_templates([template_filename], (tmp_dir,))
                )[0]

        # Render the template
        a_random_string = random_string(5)
        html_content = template.render({"test_variable": a_random_string})

        # Check that our string exists in the template
        self.assertIn(
            a_random_string,
            html_content,
            "Template file did not contain our test string",
        )

    def test_multiple_custom_template_directories(self) -> None:
        """Tests that directories are searched in the right order if multiple custom
        template directories are provided.
        """
        # Create two temporary directories on the filesystem.
        tempdirs = [
            tempfile.TemporaryDirectory(),
            tempfile.TemporaryDirectory(),
        ]

        # Create one template in each directory, whose content is the index of the
        # directory in the list.
        template_filename = "my_template.html.j2"
        for i in range(len(tempdirs)):
            tempdir = tempdirs[i]
            template_path = os.path.join(tempdir.name, template_filename)

            with open(template_path, "w") as fp:
                fp.write(str(i))
                fp.flush()

        # Retrieve the template.
        template = (
            self.config.read_templates(
                [template_filename],
                (td.name for td in tempdirs),
            )
        )[0]

        # Test that we got the template we dropped in the first directory in the list.
        self.assertEqual(template.render(), "0")

        # Add another template, this one only in the second directory in the list, so we
        # can test that the second directory is still searched into when no matching file
        # could be found in the first one.
        other_template_name = "my_other_template.html.j2"
        other_template_path = os.path.join(tempdirs[1].name, other_template_name)

        with open(other_template_path, "w") as fp:
            fp.write("hello world")
            fp.flush()

        # Retrieve the template.
        template = (
            self.config.read_templates(
                [other_template_name],
                (td.name for td in tempdirs),
            )
        )[0]

        # Test that the file has the expected content.
        self.assertEqual(template.render(), "hello world")

        # Cleanup the temporary directories manually since we're not using a context
        # manager.
        for td in tempdirs:
            td.cleanup()

    def test_loading_template_from_nonexistent_custom_directory(self) -> None:
        with self.assertRaises(ConfigError):
            self.config.read_templates(
                ["some_filename.html"], ("a_nonexistent_directory",)
            )