145 lines
		
	
	
		
			5.3 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			145 lines
		
	
	
		
			5.3 KiB
		
	
	
	
		
			Python
		
	
	
| # Copyright 2020 The Matrix.org Foundation C.I.C.
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| #
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| # Licensed under the Apache License, Version 2.0 (the "License");
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| # you may not use this file except in compliance with the License.
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| # You may obtain a copy of the License at
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| #
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| #     http://www.apache.org/licenses/LICENSE-2.0
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| #
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| # Unless required by applicable law or agreed to in writing, software
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| # distributed under the License is distributed on an "AS IS" BASIS,
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| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| # See the License for the specific language governing permissions and
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| # limitations under the License.
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| 
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| import os.path
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| import tempfile
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| from unittest.mock import Mock
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| 
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| from synapse.config import ConfigError
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| from synapse.config._base import Config
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| from synapse.util.stringutils import random_string
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| 
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| from tests import unittest
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| 
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| 
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| class BaseConfigTestCase(unittest.TestCase):
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|     def setUp(self) -> None:
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|         # The root object needs a server property with a public_baseurl.
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|         root = Mock()
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|         root.server.public_baseurl = "http://test"
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|         self.config = Config(root)
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| 
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|     def test_loading_missing_templates(self) -> None:
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|         # Use a temporary directory that exists on the system, but that isn't likely to
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|         # contain template files
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|         with tempfile.TemporaryDirectory() as tmp_dir:
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|             # Attempt to load an HTML template from our custom template directory
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|             template = self.config.read_templates(["sso_error.html"], (tmp_dir,))[0]
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| 
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|         # If no errors, we should've gotten the default template instead
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| 
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|         # Render the template
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|         a_random_string = random_string(5)
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|         html_content = template.render({"error_description": a_random_string})
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| 
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|         # Check that our string exists in the template
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|         self.assertIn(
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|             a_random_string,
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|             html_content,
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|             "Template file did not contain our test string",
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|         )
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| 
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|     def test_loading_custom_templates(self) -> None:
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|         # Use a temporary directory that exists on the system
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|         with tempfile.TemporaryDirectory() as tmp_dir:
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|             # Create a temporary bogus template file
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|             with tempfile.NamedTemporaryFile(dir=tmp_dir) as tmp_template:
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|                 # Get temporary file's filename
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|                 template_filename = os.path.basename(tmp_template.name)
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| 
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|                 # Write a custom HTML template
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|                 contents = b"{{ test_variable }}"
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|                 tmp_template.write(contents)
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|                 tmp_template.flush()
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| 
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|                 # Attempt to load the template from our custom template directory
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|                 template = (
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|                     self.config.read_templates([template_filename], (tmp_dir,))
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|                 )[0]
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| 
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|         # Render the template
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|         a_random_string = random_string(5)
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|         html_content = template.render({"test_variable": a_random_string})
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| 
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|         # Check that our string exists in the template
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|         self.assertIn(
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|             a_random_string,
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|             html_content,
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|             "Template file did not contain our test string",
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|         )
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| 
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|     def test_multiple_custom_template_directories(self) -> None:
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|         """Tests that directories are searched in the right order if multiple custom
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|         template directories are provided.
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|         """
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|         # Create two temporary directories on the filesystem.
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|         tempdirs = [
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|             tempfile.TemporaryDirectory(),
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|             tempfile.TemporaryDirectory(),
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|         ]
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| 
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|         # Create one template in each directory, whose content is the index of the
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|         # directory in the list.
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|         template_filename = "my_template.html.j2"
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|         for i in range(len(tempdirs)):
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|             tempdir = tempdirs[i]
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|             template_path = os.path.join(tempdir.name, template_filename)
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| 
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|             with open(template_path, "w") as fp:
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|                 fp.write(str(i))
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|                 fp.flush()
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| 
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|         # Retrieve the template.
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|         template = (
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|             self.config.read_templates(
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|                 [template_filename],
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|                 (td.name for td in tempdirs),
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|             )
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|         )[0]
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| 
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|         # Test that we got the template we dropped in the first directory in the list.
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|         self.assertEqual(template.render(), "0")
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| 
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|         # Add another template, this one only in the second directory in the list, so we
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|         # can test that the second directory is still searched into when no matching file
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|         # could be found in the first one.
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|         other_template_name = "my_other_template.html.j2"
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|         other_template_path = os.path.join(tempdirs[1].name, other_template_name)
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| 
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|         with open(other_template_path, "w") as fp:
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|             fp.write("hello world")
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|             fp.flush()
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| 
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|         # Retrieve the template.
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|         template = (
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|             self.config.read_templates(
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|                 [other_template_name],
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|                 (td.name for td in tempdirs),
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|             )
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|         )[0]
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| 
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|         # Test that the file has the expected content.
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|         self.assertEqual(template.render(), "hello world")
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| 
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|         # Cleanup the temporary directories manually since we're not using a context
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|         # manager.
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|         for td in tempdirs:
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|             td.cleanup()
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| 
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|     def test_loading_template_from_nonexistent_custom_directory(self) -> None:
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|         with self.assertRaises(ConfigError):
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|             self.config.read_templates(
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|                 ["some_filename.html"], ("a_nonexistent_directory",)
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|             )
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