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tutor/tests/test_env.py
Régis Behmo 4dc772d1e4 fix: attempt to make upgrade much clearer
`upgrade` had several issues, which are summarized here:
https://discuss.overhang.io/t/confusing-instructions-during-upgrade/2281/7

- The docs say that you should run quickstart, but what most people will see is
the big command tutor local upgrade --from=lilac verbatim paragraph.
- The local upgrade command should be very explicit about the fact that users
need to run quickstart.
- Maybe the name of the local upgrade command should be improved.
- When upgrading tutor from one major release to the next, there should be a
more explicit warning to inform users of what they are doing (see this other
conversation 1)
- We should tell people that they almost certainly need to enable the tutor and
the mfe plugins, if they are not enabled during upgrade.
- A link to all of the breaking changes from the changelog should be
prominently displayed during upgrade.
- The docs should emphasize that upgrading from one major release to the next
is potentially a risky endeavor and that downgrading is not possible. The docs
should also link to the changelog.

This commit has grown slightly beyond the intended scope, but the changes should be mostly positive.
2022-01-08 19:07:26 +01:00

252 lines
9.8 KiB
Python

import os
import tempfile
import unittest
from unittest.mock import Mock, patch
from tutor.__about__ import __version__
from tutor import config as tutor_config
from tutor import env, exceptions, fmt
from tutor.types import Config
from tests.helpers import temporary_root
class EnvTests(unittest.TestCase):
def test_walk_templates(self) -> None:
renderer = env.Renderer({}, [env.TEMPLATES_ROOT])
templates = list(renderer.walk_templates("local"))
self.assertIn("local/docker-compose.yml", templates)
def test_walk_templates_partials_are_ignored(self) -> None:
template_name = "apps/openedx/settings/partials/common_all.py"
renderer = env.Renderer({}, [env.TEMPLATES_ROOT], ignore_folders=["partials"])
templates = list(renderer.walk_templates("apps"))
self.assertIn(template_name, renderer.environment.loader.list_templates())
self.assertNotIn(template_name, templates)
def test_is_binary_file(self) -> None:
self.assertTrue(env.is_binary_file("/home/somefile.ico"))
def test_find_os_path(self) -> None:
renderer = env.Renderer({}, [env.TEMPLATES_ROOT])
path = renderer.find_os_path("local/docker-compose.yml")
self.assertTrue(os.path.exists(path))
def test_pathjoin(self) -> None:
with temporary_root() as root:
self.assertEqual(
os.path.join(env.base_dir(root), "dummy"), env.pathjoin(root, "dummy")
)
def test_render_str(self) -> None:
self.assertEqual(
"hello world", env.render_str({"name": "world"}, "hello {{ name }}")
)
def test_render_unknown(self) -> None:
config: Config = {
"var1": "a",
}
self.assertEqual("ab", env.render_unknown(config, "{{ var1 }}b"))
self.assertEqual({"x": "ac"}, env.render_unknown(config, {"x": "{{ var1 }}c"}))
def test_common_domain(self) -> None:
self.assertEqual(
"mydomain.com",
env.render_str(
{"d1": "d1.mydomain.com", "d2": "d2.mydomain.com"},
"{{ d1|common_domain(d2) }}",
),
)
def test_render_str_missing_configuration(self) -> None:
self.assertRaises(exceptions.TutorError, env.render_str, {}, "hello {{ name }}")
def test_render_file(self) -> None:
config: Config = {}
tutor_config.update_with_base(config)
tutor_config.update_with_defaults(config)
tutor_config.render_full(config)
config["MYSQL_ROOT_PASSWORD"] = "testpassword"
rendered = env.render_file(config, "hooks", "mysql", "init")
self.assertIn("testpassword", rendered)
@patch.object(tutor_config.fmt, "echo")
def test_render_file_missing_configuration(self, _: Mock) -> None:
self.assertRaises(
exceptions.TutorError, env.render_file, {}, "local", "docker-compose.yml"
)
def test_save_full(self) -> None:
with temporary_root() as root:
config = tutor_config.load_full(root)
with patch.object(fmt, "STDOUT"):
env.save(root, config)
self.assertTrue(
os.path.exists(
os.path.join(env.base_dir(root), "local", "docker-compose.yml")
)
)
def test_save_full_with_https(self) -> None:
with temporary_root() as root:
config = tutor_config.load_full(root)
config["ENABLE_HTTPS"] = True
with patch.object(fmt, "STDOUT"):
env.save(root, config)
with open(
os.path.join(env.base_dir(root), "apps", "caddy", "Caddyfile"),
encoding="utf-8",
) as f:
self.assertIn("www.myopenedx.com{$default_site_port}", f.read())
def test_patch(self) -> None:
patches = {"plugin1": "abcd", "plugin2": "efgh"}
with patch.object(
env.plugins, "iter_patches", return_value=patches.items()
) as mock_iter_patches:
rendered = env.render_str({}, '{{ patch("location") }}')
mock_iter_patches.assert_called_once_with({}, "location")
self.assertEqual("abcd\nefgh", rendered)
def test_patch_separator_suffix(self) -> None:
patches = {"plugin1": "abcd", "plugin2": "efgh"}
with patch.object(env.plugins, "iter_patches", return_value=patches.items()):
rendered = env.render_str(
{}, '{{ patch("location", separator=",\n", suffix=",") }}'
)
self.assertEqual("abcd,\nefgh,", rendered)
def test_plugin_templates(self) -> None:
with tempfile.TemporaryDirectory() as plugin_templates:
# Create plugin
plugin1 = env.plugins.DictPlugin(
{"name": "plugin1", "version": "0", "templates": plugin_templates}
)
# Create two templates
os.makedirs(os.path.join(plugin_templates, "plugin1", "apps"))
with open(
os.path.join(plugin_templates, "plugin1", "unrendered.txt"),
"w",
encoding="utf-8",
) as f:
f.write("This file should not be rendered")
with open(
os.path.join(plugin_templates, "plugin1", "apps", "rendered.txt"),
"w",
encoding="utf-8",
) as f:
f.write("Hello my ID is {{ ID }}")
# Create configuration
config: Config = {"ID": "abcd"}
# Render templates
with patch.object(
env.plugins,
"iter_enabled",
return_value=[plugin1],
):
with temporary_root() as root:
# Render plugin templates
env.save_plugin_templates(plugin1, root, config)
# Check that plugin template was rendered
dst_unrendered = os.path.join(
root, "env", "plugins", "plugin1", "unrendered.txt"
)
dst_rendered = os.path.join(
root, "env", "plugins", "plugin1", "apps", "rendered.txt"
)
self.assertFalse(os.path.exists(dst_unrendered))
self.assertTrue(os.path.exists(dst_rendered))
with open(dst_rendered, encoding="utf-8") as f:
self.assertEqual("Hello my ID is abcd", f.read())
def test_renderer_is_reset_on_config_change(self) -> None:
with tempfile.TemporaryDirectory() as plugin_templates:
plugin1 = env.plugins.DictPlugin(
{"name": "plugin1", "version": "0", "templates": plugin_templates}
)
# Create one template
os.makedirs(os.path.join(plugin_templates, plugin1.name))
with open(
os.path.join(plugin_templates, plugin1.name, "myplugin.txt"),
"w",
encoding="utf-8",
) as f:
f.write("some content")
# Load env once
config: Config = {"PLUGINS": []}
env1 = env.Renderer.instance(config).environment
with patch.object(
env.plugins,
"iter_enabled",
return_value=[plugin1],
):
# Load env a second time
config["PLUGINS"] = ["myplugin"]
env2 = env.Renderer.instance(config).environment
self.assertNotIn("plugin1/myplugin.txt", env1.loader.list_templates())
self.assertIn("plugin1/myplugin.txt", env2.loader.list_templates())
def test_iter_values_named(self) -> None:
config: Config = {
"something0_test_app": 0,
"something1_test_not_app": 1,
"notsomething_test_app": 2,
"something3_test_app": 3,
}
renderer = env.Renderer.instance(config)
self.assertEqual([2, 3], list(renderer.iter_values_named(suffix="test_app")))
self.assertEqual([1, 3], list(renderer.iter_values_named(prefix="something")))
self.assertEqual(
[0, 3],
list(
renderer.iter_values_named(
prefix="something", suffix="test_app", allow_empty=True
)
),
)
class CurrentVersionTests(unittest.TestCase):
def test_current_version_in_empty_env(self) -> None:
with temporary_root() as root:
self.assertIsNone(env.current_version(root))
self.assertIsNone(env.get_env_release(root))
self.assertIsNone(env.should_upgrade_from_release(root))
self.assertTrue(env.is_up_to_date(root))
def test_current_version_in_lilac_env(self) -> None:
with temporary_root() as root:
os.makedirs(env.base_dir(root))
with open(
os.path.join(env.base_dir(root), env.VERSION_FILENAME),
"w",
encoding="utf-8",
) as f:
f.write("12.0.46")
self.assertEqual("12.0.46", env.current_version(root))
self.assertEqual("lilac", env.get_env_release(root))
self.assertEqual("lilac", env.should_upgrade_from_release(root))
self.assertFalse(env.is_up_to_date(root))
def test_current_version_in_latest_env(self) -> None:
with temporary_root() as root:
os.makedirs(env.base_dir(root))
with open(
os.path.join(env.base_dir(root), env.VERSION_FILENAME),
"w",
encoding="utf-8",
) as f:
f.write(__version__)
self.assertEqual(__version__, env.current_version(root))
self.assertEqual("maple", env.get_env_release(root))
self.assertIsNone(env.should_upgrade_from_release(root))
self.assertTrue(env.is_up_to_date(root))