| # Copyright 2016 Gentoo Foundation |
| # Distributed under the terms of the GNU General Public License v2 |
| |
| import subprocess |
| import sys |
| |
| import portage |
| from portage import os |
| from portage import _unicode_decode |
| from portage.const import PORTAGE_PYM_PATH, USER_CONFIG_PATH |
| from portage.process import find_binary |
| from portage.tests import TestCase |
| from portage.tests.resolver.ResolverPlayground import ResolverPlayground |
| from portage.util import ensure_dirs |
| |
| class BlockerFileCollisionEmergeTestCase(TestCase): |
| |
| def testBlockerFileCollision(self): |
| |
| debug = False |
| |
| install_something = """ |
| S="${WORKDIR}" |
| |
| src_install() { |
| einfo "installing something..." |
| insinto /usr/lib |
| echo "${PN}" > "${T}/file-collision" |
| doins "${T}/file-collision" |
| } |
| """ |
| |
| ebuilds = { |
| "dev-libs/A-1" : { |
| "EAPI": "6", |
| "MISC_CONTENT": install_something, |
| "RDEPEND": "!dev-libs/B", |
| }, |
| "dev-libs/B-1" : { |
| "EAPI": "6", |
| "MISC_CONTENT": install_something, |
| "RDEPEND": "!dev-libs/A", |
| }, |
| } |
| |
| playground = ResolverPlayground(ebuilds=ebuilds, debug=debug) |
| settings = playground.settings |
| eprefix = settings["EPREFIX"] |
| eroot = settings["EROOT"] |
| var_cache_edb = os.path.join(eprefix, "var", "cache", "edb") |
| user_config_dir = os.path.join(eprefix, USER_CONFIG_PATH) |
| |
| portage_python = portage._python_interpreter |
| emerge_cmd = (portage_python, "-b", "-Wd", |
| os.path.join(self.bindir, "emerge")) |
| |
| file_collision = os.path.join(eroot, 'usr/lib/file-collision') |
| |
| test_commands = ( |
| emerge_cmd + ("--oneshot", "dev-libs/A",), |
| (lambda: portage.util.grablines(file_collision) == ["A\n"],), |
| emerge_cmd + ("--oneshot", "dev-libs/B",), |
| (lambda: portage.util.grablines(file_collision) == ["B\n"],), |
| emerge_cmd + ("--oneshot", "dev-libs/A",), |
| (lambda: portage.util.grablines(file_collision) == ["A\n"],), |
| ({"FEATURES":"parallel-install"},) + emerge_cmd + ("--oneshot", "dev-libs/B",), |
| (lambda: portage.util.grablines(file_collision) == ["B\n"],), |
| ({"FEATURES":"parallel-install"},) + emerge_cmd + ("-Cq", "dev-libs/B",), |
| (lambda: not os.path.exists(file_collision),), |
| ) |
| |
| fake_bin = os.path.join(eprefix, "bin") |
| portage_tmpdir = os.path.join(eprefix, "var", "tmp", "portage") |
| profile_path = settings.profile_path |
| |
| path = os.environ.get("PATH") |
| if path is not None and not path.strip(): |
| path = None |
| if path is None: |
| path = "" |
| else: |
| path = ":" + path |
| path = fake_bin + path |
| |
| pythonpath = os.environ.get("PYTHONPATH") |
| if pythonpath is not None and not pythonpath.strip(): |
| pythonpath = None |
| if pythonpath is not None and \ |
| pythonpath.split(":")[0] == PORTAGE_PYM_PATH: |
| pass |
| else: |
| if pythonpath is None: |
| pythonpath = "" |
| else: |
| pythonpath = ":" + pythonpath |
| pythonpath = PORTAGE_PYM_PATH + pythonpath |
| |
| env = { |
| "PORTAGE_OVERRIDE_EPREFIX" : eprefix, |
| "PATH" : path, |
| "PORTAGE_PYTHON" : portage_python, |
| "PORTAGE_REPOSITORIES" : settings.repositories.config_string(), |
| "PYTHONDONTWRITEBYTECODE" : os.environ.get("PYTHONDONTWRITEBYTECODE", ""), |
| "PYTHONPATH" : pythonpath, |
| } |
| |
| if "__PORTAGE_TEST_HARDLINK_LOCKS" in os.environ: |
| env["__PORTAGE_TEST_HARDLINK_LOCKS"] = \ |
| os.environ["__PORTAGE_TEST_HARDLINK_LOCKS"] |
| |
| dirs = [playground.distdir, fake_bin, portage_tmpdir, |
| user_config_dir, var_cache_edb] |
| true_symlinks = ["chown", "chgrp"] |
| true_binary = find_binary("true") |
| self.assertEqual(true_binary is None, False, |
| "true command not found") |
| try: |
| for d in dirs: |
| ensure_dirs(d) |
| for x in true_symlinks: |
| os.symlink(true_binary, os.path.join(fake_bin, x)) |
| with open(os.path.join(var_cache_edb, "counter"), 'wb') as f: |
| f.write(b"100") |
| # non-empty system set keeps --depclean quiet |
| with open(os.path.join(profile_path, "packages"), 'w') as f: |
| f.write("*dev-libs/token-system-pkg") |
| |
| if debug: |
| # The subprocess inherits both stdout and stderr, for |
| # debugging purposes. |
| stdout = None |
| else: |
| # The subprocess inherits stderr so that any warnings |
| # triggered by python -Wd will be visible. |
| stdout = subprocess.PIPE |
| |
| for i, args in enumerate(test_commands): |
| |
| if hasattr(args[0], '__call__'): |
| self.assertTrue(args[0](), |
| "callable at index %s failed" % (i,)) |
| continue |
| |
| if isinstance(args[0], dict): |
| local_env = env.copy() |
| local_env.update(args[0]) |
| args = args[1:] |
| else: |
| local_env = env |
| |
| proc = subprocess.Popen(args, |
| env=local_env, stdout=stdout) |
| |
| if debug: |
| proc.wait() |
| else: |
| output = proc.stdout.readlines() |
| proc.wait() |
| proc.stdout.close() |
| if proc.returncode != os.EX_OK: |
| for line in output: |
| sys.stderr.write(_unicode_decode(line)) |
| |
| self.assertEqual(os.EX_OK, proc.returncode, |
| "emerge failed with args %s" % (args,)) |
| finally: |
| playground.debug = False |
| playground.cleanup() |