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import os
import unittest
from copy import deepcopy
from pickle import dumps
from tempfile import TemporaryDirectory
from dhpython.depends import Dependencies
class FakeOptions:
def __init__(self, **kwargs):
opts = {
'depends': (),
'depends_section': (),
'guess_deps': False,
'recommends': (),
'recommends_section': (),
'requires': (),
'suggests': (),
'suggests_section': (),
'vrange': None,
'accept_upstream_versions': False,
}
opts.update(kwargs)
for k, v in opts.items():
setattr(self, k, v)
def prime_pydist(impl, pydist):
"""Fake the pydist data for impl. Returns a cleanup function"""
from dhpython.pydist import load
for name, entries in pydist.items():
if not isinstance(entries, list):
pydist[name] = entries = [entries]
for i, entry in enumerate(entries):
if isinstance(entry, str):
entries[i] = entry = {'dependency': entry}
entry.setdefault('name', name)
entry.setdefault('standard', '')
entry.setdefault('rules', [])
entry.setdefault('versions', set())
key = dumps(((impl,), {}))
load.cache[key] = pydist
return lambda: load.cache.pop(key)
class DependenciesTestCase(unittest.TestCase):
pkg = 'foo'
impl = 'cpython3'
pydist = {}
stats = {
'compile': False,
'egg-info': set(),
'ext_no_version': set(),
'ext_vers': set(),
'nsp.txt': set(),
'private_dirs': {},
'public_vers': set(),
'requires.txt': set(),
'shebangs': set(),
}
requires = {}
options = FakeOptions()
def setUp(self):
self.d = Dependencies(self.pkg, self.impl)
stats = deepcopy(self.stats)
if self.requires:
self.tempdir = TemporaryDirectory()
self.addCleanup(self.tempdir.cleanup)
old_wd = os.getcwd()
os.chdir(self.tempdir.name)
self.addCleanup(os.chdir, old_wd)
for fn, lines in self.requires.items():
os.makedirs(os.path.dirname(fn))
with open(fn, 'w') as f:
f.write('\n'.join(lines))
stats['requires.txt'].add(fn)
cleanup = prime_pydist(self.impl, self.pydist)
self.addCleanup(cleanup)
self.d.parse(stats, self.options)
class TestRequiresCPython3(DependenciesTestCase):
options = FakeOptions(guess_deps=True)
pydist = {
'bar': 'python3-bar',
'baz': {'dependency': 'python3-baz', 'standard': 'PEP386'},
'quux': {'dependency': 'python3-quux', 'standard': 'PEP386'},
}
requires = {
'debian/foo/usr/lib/python3/dist-packages/foo.egg-info/requires.txt': (
'bar',
'baz >= 1.0',
'quux',
),
}
def test_depends_on_bar(self):
self.assertIn('python3-bar', self.d.depends)
def test_depends_on_baz(self):
self.assertIn('python3-baz (>= 1.0)', self.d.depends)
class TestRequiresPyPy(DependenciesTestCase):
impl = 'pypy'
options = FakeOptions(guess_deps=True)
pydist = {
'bar': 'pypy-bar',
'baz': {'dependency': 'pypy-baz', 'standard': 'PEP386'},
'quux': {'dependency': 'pypy-quux', 'standard': 'PEP386'},
}
requires = {
'debian/foo/usr/lib/pypy/dist-packages/foo.egg-info/requires.txt': (
'bar',
'baz >= 1.0',
'quux',
)
}
def test_depends_on_bar(self):
self.assertIn('pypy-bar', self.d.depends)
def test_depends_on_baz(self):
self.assertIn('pypy-baz (>= 1.0)', self.d.depends)
class TestRequiresCompatible(DependenciesTestCase):
options = FakeOptions(guess_deps=True)
pydist = {
'bar': 'python3-bar',
'baz': {'dependency': 'python3-baz', 'standard': 'PEP386'},
'quux': {'dependency': 'python3-quux', 'standard': 'PEP386'},
}
requires = {
'debian/foo/usr/lib/python3/dist-packages/foo.egg-info/requires.txt': (
'bar',
'baz ~= 1.0',
'quux',
),
}
def test_depends_on_bar(self):
self.assertIn('python3-bar', self.d.depends)
def test_depends_on_baz(self):
self.assertIn('python3-baz (>= 1.0), python3-baz (<< 2)', self.d.depends)
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