rootile
f761785099
This is the long awaited refactor of the NixSettings. It allows one to set, unset and update any and all settings with a neat and easy-to-use interface closes #846 Change-Id: Id4cfb5f853cc1168b506a1f6f405076f3a7cab65
118 lines
3.3 KiB
Python
118 lines
3.3 KiB
Python
from pathlib import Path
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import pytest
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from testlib.fixtures.env import ManagedEnv
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from testlib.fixtures.nix import NixSettings
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def test_nix_settings_set_item():
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settings = NixSettings()
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settings["hello"] = "world"
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assert settings._settings["hello"] == "world"
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def test_nix_settings_get_item():
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settings = NixSettings()
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assert settings["substituters"] == []
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def test_nix_settings_set_attr():
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settings = NixSettings()
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settings.cores = 5
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assert settings._settings["cores"] == 5
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def test_nix_settings_get_attr():
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settings = NixSettings()
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assert settings.sandbox is True
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def test_nix_settings_get_attr_underscore():
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settings = NixSettings()
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assert settings.extra_deprecated_features == []
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settings["extra-deprecated-features"] += ["ancient-let"]
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assert settings.extra_deprecated_features == ["ancient-let"]
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def test_nix_settings_set_attr_underscore():
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settings = NixSettings()
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assert settings["extra-deprecated-features"] == []
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settings.extra_deprecated_features += ["ancient-let"]
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assert settings["extra-deprecated-features"] == ["ancient-let"]
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def test_nix_settings_update_replaces():
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settings = NixSettings()
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assert settings.sandbox is True
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settings.update({"sandbox": False})
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assert settings.sandbox is False
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settings.update(sandbox=True)
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assert settings.sandbox is True
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def test_nix_settings_with_doesnt_effect_orig():
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orig = NixSettings()
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orig["extra-experimental-features"] += ["nix-command"]
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new = orig.with_settings({"extra-experimental-features": ["some-feature"]})
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assert new["extra-experimental-features"] == ["some-feature"]
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assert orig["extra-experimental-features"] == ["nix-command"]
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def test_nix_settings_serializes_xf(env: ManagedEnv):
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settings = NixSettings()
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settings["extra-experimental-features"] += ["a", "b"]
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assert "extra-experimental-features = a b\n" in settings.to_config(env)
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def test_nix_settings_serializes_store(env: ManagedEnv):
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settings = NixSettings()
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settings.store = "local?root=/some/path"
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assert "store = local?root=/some/path\n" in settings.to_config(env)
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def test_nix_settings_serializes_both(env: ManagedEnv):
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settings = NixSettings()
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settings["extra-experimental-features"] += ["a", "b"]
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settings.store = "local?root=/some/path"
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serialized = settings.to_config(env)
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assert "extra-experimental-features = a b\n" in serialized
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assert "store = local?root=/some/path" in serialized
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def test_nix_settings_ser_fails_bad_top_level_type(env: ManagedEnv):
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settings = NixSettings()
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settings.experimental_features = {"a": "b"} # type: ignore we are testing the types here
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with pytest.raises(ValueError, match=r"Value is unsupported in nix config: {'a': 'b'}"):
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settings.to_config(env)
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def test_nix_settings_ser_fails_bad_sub_type(env: ManagedEnv):
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settings = NixSettings()
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settings.experimental_features = [["a", "b"], "c"] # type: ignore we are testing the types here
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with pytest.raises(ValueError, match=r"Value is unsupported in nix config: .+"):
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settings.to_config(env)
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def test_nix_settings_to_env_overlay_no_store_dir(tmp_path: Path):
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env = ManagedEnv(tmp_path)
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settings = NixSettings()
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settings.store = "local?root=/some/path"
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settings.to_env_overlay(env)
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assert "store = local?root=/some/path\n" in env._env["NIX_CONFIG"]
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