mirror of https://github.com/mamba-org/mamba.git
131 lines
4.7 KiB
Python
131 lines
4.7 KiB
Python
import os
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import platform
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from pathlib import Path
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import pytest
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# Need to import everything to get fixtures
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from .helpers import * # noqa: F403
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from . import helpers
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if platform.system() == "Windows":
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xtensor_hpp = "Library/include/xtensor/xtensor.hpp"
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else:
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xtensor_hpp = "include/xtensor/xtensor.hpp"
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class TestLinking:
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current_root_prefix = os.environ["MAMBA_ROOT_PREFIX"]
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current_prefix = os.environ["CONDA_PREFIX"]
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env_name = helpers.random_string()
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root_prefix = os.path.expanduser(os.path.join("~", "tmproot" + helpers.random_string()))
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prefix = os.path.join(root_prefix, "envs", env_name)
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@classmethod
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def setup_class(cls):
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os.environ["MAMBA_ROOT_PREFIX"] = TestLinking.root_prefix
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@classmethod
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def teardown_class(cls):
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os.environ["MAMBA_ROOT_PREFIX"] = TestLinking.current_root_prefix
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os.environ["CONDA_PREFIX"] = TestLinking.current_prefix
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if Path(TestLinking.root_prefix).exists():
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helpers.rmtree(TestLinking.root_prefix)
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@classmethod
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def teardown_method(cls):
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if Path(TestLinking.prefix).exists():
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helpers.rmtree(TestLinking.prefix)
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def test_link(self, existing_cache, test_pkg):
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helpers.create("xtensor", "-n", TestLinking.env_name, "--json", no_dry_run=True)
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linked_file = helpers.get_env(TestLinking.env_name, xtensor_hpp)
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assert linked_file.exists()
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assert not linked_file.is_symlink()
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cache_file = existing_cache / test_pkg / xtensor_hpp
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assert cache_file.stat().st_dev == linked_file.stat().st_dev
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assert cache_file.stat().st_ino == linked_file.stat().st_ino
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def test_copy(self, existing_cache, test_pkg):
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helpers.create(
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"xtensor",
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"-n",
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TestLinking.env_name,
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"--json",
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"--always-copy",
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no_dry_run=True,
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)
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linked_file = helpers.get_env(TestLinking.env_name, xtensor_hpp)
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assert linked_file.exists()
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assert not linked_file.is_symlink()
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cache_file = existing_cache / test_pkg / xtensor_hpp
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assert cache_file.stat().st_dev == linked_file.stat().st_dev
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assert cache_file.stat().st_ino != linked_file.stat().st_ino
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@pytest.mark.skipif(
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platform.system() == "Windows",
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reason="Softlinking needs admin privileges on win",
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)
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def test_always_softlink(self, existing_cache, test_pkg):
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helpers.create(
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"xtensor",
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"-n",
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TestLinking.env_name,
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"--json",
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"--always-softlink",
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no_dry_run=True,
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)
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linked_file = helpers.get_env(TestLinking.env_name, xtensor_hpp)
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assert linked_file.exists()
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assert linked_file.is_symlink()
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cache_file = existing_cache / test_pkg / xtensor_hpp
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assert cache_file.stat().st_dev == linked_file.stat().st_dev
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assert cache_file.stat().st_ino == linked_file.stat().st_ino
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assert os.readlink(linked_file) == str(cache_file)
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@pytest.mark.parametrize("allow_softlinks", [True, False])
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@pytest.mark.parametrize("always_copy", [True, False])
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def test_cross_device(self, allow_softlinks, always_copy, existing_cache, test_pkg):
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if platform.system() != "Linux":
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pytest.skip("o/s is not linux")
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create_args = ["xtensor", "-n", TestLinking.env_name, "--json"]
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if allow_softlinks:
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create_args.append("--allow-softlinks")
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if always_copy:
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create_args.append("--always-copy")
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helpers.create(*create_args, no_dry_run=True)
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same_device = existing_cache.stat().st_dev == Path(TestLinking.prefix).stat().st_dev
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is_softlink = not same_device and allow_softlinks and not always_copy
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is_hardlink = same_device and not always_copy
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linked_file = helpers.get_env(TestLinking.env_name, xtensor_hpp)
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assert linked_file.exists()
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cache_file = existing_cache / test_pkg / xtensor_hpp
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assert cache_file.stat().st_dev == linked_file.stat().st_dev
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assert (cache_file.stat().st_ino == linked_file.stat().st_ino) == is_hardlink
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assert linked_file.is_symlink() == is_softlink
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def test_unlink_missing_file(self):
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helpers.create("xtensor", "-n", TestLinking.env_name, "--json", no_dry_run=True)
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linked_file = helpers.get_env(TestLinking.env_name, xtensor_hpp)
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assert linked_file.exists()
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assert not linked_file.is_symlink()
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os.remove(linked_file)
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helpers.remove("xtensor", "-n", TestLinking.env_name)
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def test_link_missing_scripts_dir(self): # issue 2808
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helpers.create("python=3.7", "pypy", "-n", TestLinking.env_name, "--json", no_dry_run=True)
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