295 lines
11 KiB
Python
295 lines
11 KiB
Python
"""Test alt"""
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import os
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import string
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import py
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import pytest
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import utils
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TEST_PATHS = [utils.ALT_FILE1, utils.ALT_FILE2, utils.ALT_DIR]
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@pytest.mark.usefixtures('ds1_copy')
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@pytest.mark.parametrize('yadm_alt', [True, False], ids=['alt', 'worktree'])
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@pytest.mark.parametrize(
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'tracked,encrypt,exclude', [
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(False, False, False),
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(True, False, False),
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(False, True, False),
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(False, True, True),
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], ids=['untracked', 'tracked', 'encrypted', 'excluded'])
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def test_alt_source(
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runner, paths,
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tracked, encrypt, exclude,
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yadm_alt):
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"""Test yadm alt operates on all expected sources of alternates"""
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yadm_dir, yadm_data = setup_standard_yadm_dir(paths)
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utils.create_alt_files(
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paths, '##default', tracked=tracked, encrypt=encrypt, exclude=exclude,
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yadm_alt=yadm_alt, yadm_dir=yadm_dir)
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run = runner([paths.pgm, '-Y', yadm_dir, '--yadm-data', yadm_data, 'alt'])
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assert run.success
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assert run.err == ''
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linked = utils.parse_alt_output(run.out)
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basepath = yadm_dir.join('alt') if yadm_alt else paths.work
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for link_path in TEST_PATHS:
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source_file_content = link_path + '##default'
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source_file = basepath.join(source_file_content)
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link_file = paths.work.join(link_path)
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if tracked or (encrypt and not exclude):
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assert link_file.islink()
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target = py.path.local(os.path.realpath(link_file))
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if target.isfile():
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assert link_file.read() == source_file_content
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assert str(source_file) in linked
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else:
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assert link_file.join(
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utils.CONTAINED).read() == source_file_content
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assert str(source_file) in linked
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else:
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assert not link_file.exists()
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assert str(source_file) not in linked
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@pytest.mark.usefixtures('ds1_copy')
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@pytest.mark.parametrize('yadm_alt', [True, False], ids=['alt', 'worktree'])
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def test_relative_link(runner, paths, yadm_alt):
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"""Confirm links created are relative"""
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yadm_dir, yadm_data = setup_standard_yadm_dir(paths)
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utils.create_alt_files(
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paths, '##default', tracked=True, encrypt=False, exclude=False,
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yadm_alt=yadm_alt, yadm_dir=yadm_dir)
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run = runner([paths.pgm, '-Y', yadm_dir, '--yadm-data', yadm_data, 'alt'])
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assert run.success
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assert run.err == ''
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basepath = yadm_dir.join('alt') if yadm_alt else paths.work
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for link_path in TEST_PATHS:
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source_file_content = link_path + '##default'
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source_file = basepath.join(source_file_content)
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link_file = paths.work.join(link_path)
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link = link_file.readlink()
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relpath = os.path.relpath(
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source_file, start=os.path.dirname(link_file))
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assert link == relpath
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@pytest.mark.usefixtures('ds1_copy')
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@pytest.mark.parametrize('suffix', [
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'##default',
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'##default,e.txt', '##default,extension.txt',
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'##a.$tst_arch', '##arch.$tst_arch',
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'##o.$tst_sys', '##os.$tst_sys',
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'##d.$tst_distro', '##distro.$tst_distro',
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'##f.$tst_distro_family', '##distro_family.$tst_distro_family',
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'##c.$tst_class', '##class.$tst_class',
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'##h.$tst_host', '##hostname.$tst_host',
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'##u.$tst_user', '##user.$tst_user',
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])
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def test_alt_conditions(
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runner, paths,
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tst_arch, tst_sys, tst_distro, tst_distro_family, tst_host, tst_user,
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suffix):
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"""Test conditions supported by yadm alt"""
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yadm_dir, yadm_data = setup_standard_yadm_dir(paths)
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# set the class
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tst_class = 'testclass'
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utils.set_local(paths, 'class', tst_class + ".before")
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utils.set_local(paths, 'class', tst_class, add=True)
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utils.set_local(paths, 'class', tst_class + ".after", add=True)
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suffix = string.Template(suffix).substitute(
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tst_arch=tst_arch,
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tst_sys=tst_sys,
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tst_distro=tst_distro,
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tst_distro_family=tst_distro_family,
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tst_class=tst_class,
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tst_host=tst_host,
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tst_user=tst_user,
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)
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utils.create_alt_files(paths, suffix)
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run = runner([paths.pgm, '-Y', yadm_dir, '--yadm-data', yadm_data, 'alt'])
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assert run.success
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assert run.err == ''
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linked = utils.parse_alt_output(run.out)
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for link_path in TEST_PATHS:
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source_file = link_path + suffix
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assert paths.work.join(link_path).islink()
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target = py.path.local(os.path.realpath(paths.work.join(link_path)))
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if target.isfile():
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assert paths.work.join(link_path).read() == source_file
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assert str(paths.work.join(source_file)) in linked
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else:
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assert paths.work.join(link_path).join(
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utils.CONTAINED).read() == source_file
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assert str(paths.work.join(source_file)) in linked
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@pytest.mark.usefixtures('ds1_copy')
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@pytest.mark.parametrize(
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'kind', ['default', '', None, 'envtpl', 'j2cli', 'j2', 'esh'])
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@pytest.mark.parametrize('label', ['t', 'template', 'yadm', ])
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def test_alt_templates(
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runner, paths, kind, label):
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"""Test templates supported by yadm alt"""
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yadm_dir, yadm_data = setup_standard_yadm_dir(paths)
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suffix = f'##{label}.{kind}'
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if kind is None:
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suffix = f'##{label}'
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utils.create_alt_files(paths, suffix)
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run = runner([paths.pgm, '-Y', yadm_dir, '--yadm-data', yadm_data, 'alt'])
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assert run.success
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assert run.err == ''
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created = utils.parse_alt_output(run.out, linked=False)
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for created_path in TEST_PATHS:
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if created_path != utils.ALT_DIR:
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source_file = created_path + suffix
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assert paths.work.join(created_path).isfile()
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assert paths.work.join(created_path).read().strip() == source_file
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assert str(paths.work.join(source_file)) in created
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@pytest.mark.usefixtures('ds1_copy')
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@pytest.mark.parametrize('autoalt', [None, 'true', 'false'])
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def test_auto_alt(runner, yadm_cmd, paths, autoalt):
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"""Test auto alt"""
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# set the value of auto-alt
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if autoalt:
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os.system(' '.join(yadm_cmd('config', 'yadm.auto-alt', autoalt)))
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utils.create_alt_files(paths, '##default')
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run = runner(yadm_cmd('status'))
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assert run.success
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assert run.err == ''
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linked = utils.parse_alt_output(run.out)
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for link_path in TEST_PATHS:
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source_file = link_path + '##default'
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if autoalt == 'false':
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assert not paths.work.join(link_path).exists()
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else:
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assert paths.work.join(link_path).islink()
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target = py.path.local(
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os.path.realpath(paths.work.join(link_path)))
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if target.isfile():
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assert paths.work.join(link_path).read() == source_file
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# no linking output when run via auto-alt
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assert str(paths.work.join(source_file)) not in linked
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else:
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assert paths.work.join(link_path).join(
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utils.CONTAINED).read() == source_file
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# no linking output when run via auto-alt
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assert str(paths.work.join(source_file)) not in linked
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@pytest.mark.usefixtures('ds1_copy')
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def test_stale_link_removal(runner, yadm_cmd, paths):
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"""Stale links to alternative files are removed
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This test ensures that when an already linked alternative becomes invalid
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due to a change in class, the alternate link is removed.
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"""
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# set the class
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tst_class = 'testclass'
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utils.set_local(paths, 'class', tst_class)
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# create files which match the test class
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utils.create_alt_files(paths, f'##class.{tst_class}')
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# run alt to trigger linking
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run = runner(yadm_cmd('alt'))
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assert run.success
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assert run.err == ''
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linked = utils.parse_alt_output(run.out)
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# assert the proper linking has occurred
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for stale_path in TEST_PATHS:
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source_file = stale_path + '##class.' + tst_class
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assert paths.work.join(stale_path).islink()
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target = py.path.local(os.path.realpath(paths.work.join(stale_path)))
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if target.isfile():
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assert paths.work.join(stale_path).read() == source_file
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assert str(paths.work.join(source_file)) in linked
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else:
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assert paths.work.join(stale_path).join(
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utils.CONTAINED).read() == source_file
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assert str(paths.work.join(source_file)) in linked
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# change the class so there are no valid alternates
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utils.set_local(paths, 'class', 'changedclass')
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# run alt to trigger linking
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run = runner(yadm_cmd('alt'))
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assert run.success
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assert run.err == ''
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linked = utils.parse_alt_output(run.out)
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# assert the linking is removed
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for stale_path in TEST_PATHS:
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source_file = stale_path + '##class.' + tst_class
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assert not paths.work.join(stale_path).exists()
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assert str(paths.work.join(source_file)) not in linked
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@pytest.mark.usefixtures('ds1_repo_copy')
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def test_template_overwrite_symlink(runner, yadm_cmd, paths, tst_sys):
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"""Remove symlinks before processing a template
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If a symlink is in the way of the output of a template, the target of the
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symlink will get the template content. To prevent this, the symlink should
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be removed just before processing a template.
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"""
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target = paths.work.join(f'test_link##os.{tst_sys}')
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target.write('target')
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link = paths.work.join('test_link')
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link.mksymlinkto(target, absolute=1)
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template = paths.work.join('test_link##template.default')
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template.write('test-data')
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run = runner(yadm_cmd('add', target, template))
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assert run.success
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assert run.err == ''
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assert run.out == ''
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assert not link.islink()
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assert target.read().strip() == 'target'
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assert link.read().strip() == 'test-data'
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@pytest.mark.usefixtures('ds1_copy')
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@pytest.mark.parametrize('style', ['symlink', 'template'])
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def test_ensure_alt_path(runner, paths, style):
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"""Test that directories are created before making alternates"""
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yadm_dir, yadm_data = setup_standard_yadm_dir(paths)
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suffix = 'default' if style == 'symlink' else 'template'
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filename = 'a/b/c/file'
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source = yadm_dir.join(f'alt/{filename}##{suffix}')
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source.write('test-data', ensure=True)
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run = runner([
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paths.pgm, '-Y', yadm_dir, '--yadm-data', yadm_data, 'add', source])
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assert run.success
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assert run.err == ''
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assert run.out == ''
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assert paths.work.join(filename).read().strip() == 'test-data'
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def setup_standard_yadm_dir(paths):
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"""Configure a yadm home within the work tree"""
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std_yadm_dir = paths.work.mkdir('.config').mkdir('yadm')
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std_yadm_data = paths.work.mkdir('.local').mkdir('share').mkdir('yadm')
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std_yadm_data.join('repo.git').mksymlinkto(paths.repo, absolute=1)
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std_yadm_dir.join('encrypt').mksymlinkto(paths.encrypt, absolute=1)
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return std_yadm_dir, std_yadm_data
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