Test portdbapi/egencache cache-formats behavior.

1 files changed, 178 insertions, 0 deletions

diff --git a/pym/portage/tests/dbapi/test_portdb_cache.py b/pym/portage/tests/dbapi/test_portdb_cache.py
new file mode 100644
index 000000000..e6d2ba7c9
--- /dev/null
+++ b/pym/portage/tests/dbapi/test_portdb_cache.py
@@ -0,0 +1,178 @@
+# Copyright 2012 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+import subprocess
+import sys
+import textwrap
+
+import portage
+from portage import os
+from portage import _unicode_decode
+from portage.const import (BASH_BINARY, PORTAGE_BIN_PATH,
+	PORTAGE_PYM_PATH, USER_CONFIG_PATH)
+from portage.tests import TestCase
+from portage.tests.resolver.ResolverPlayground import ResolverPlayground
+from portage.util import ensure_dirs
+
+class PortdbCacheTestCase(TestCase):
+
+	def testPortdbCache(self):
+		debug = False
+
+		ebuilds = {
+			"dev-libs/A-1": {},
+			"dev-libs/A-2": {},
+			"sys-apps/B-1": {},
+			"sys-apps/B-2": {},
+		}
+
+		playground = ResolverPlayground(ebuilds=ebuilds, debug=debug)
+		settings = playground.settings
+		eprefix = settings["EPREFIX"]
+		portdir = settings["PORTDIR"]
+		user_config_dir = os.path.join(eprefix, USER_CONFIG_PATH)
+		metadata_dir = os.path.join(portdir, "metadata")
+		md5_cache_dir = os.path.join(metadata_dir, "md5-cache")
+		pms_cache_dir = os.path.join(metadata_dir, "cache")
+		layout_conf_path = os.path.join(metadata_dir, "layout.conf")
+
+		portage_python = portage._python_interpreter
+		egencache_cmd = (portage_python, "-Wd",
+			os.path.join(PORTAGE_BIN_PATH, "egencache"))
+		python_cmd = (portage_python, "-Wd", "-c")
+
+		test_commands = (
+			(lambda: not os.path.exists(pms_cache_dir),),
+			(lambda: not os.path.exists(md5_cache_dir),),
+			python_cmd + (textwrap.dedent("""
+				import os, sys, portage
+				if portage.portdb.porttree_root in portage.portdb._pregen_auxdb:
+					sys.exit(1)
+			"""),),
+
+			egencache_cmd + ("--update",),
+			(lambda: os.path.exists(pms_cache_dir),),
+			(lambda: not os.path.exists(md5_cache_dir),),
+			python_cmd + (textwrap.dedent("""
+				import os, sys, portage
+				if portage.portdb.porttree_root not in portage.portdb._pregen_auxdb:
+					sys.exit(1)
+			"""),),
+			python_cmd + (textwrap.dedent("""
+				import os, sys, portage
+				from portage.cache.metadata import database as pms_database
+				if not isinstance(portage.portdb._pregen_auxdb[portage.portdb.porttree_root], pms_database):
+					sys.exit(1)
+			"""),),
+
+			(BASH_BINARY, "-c", "echo %s > %s" %
+				tuple(map(portage._shell_quote,
+				("cache-formats = md5-dict pms", layout_conf_path,)))),
+			egencache_cmd + ("--update",),
+			(lambda: os.path.exists(md5_cache_dir),),
+			python_cmd + (textwrap.dedent("""
+				import os, sys, portage
+				if portage.portdb.porttree_root not in portage.portdb._pregen_auxdb:
+					sys.exit(1)
+			"""),),
+			python_cmd + (textwrap.dedent("""
+				import os, sys, portage
+				from portage.cache.flat_hash import md5_database
+				if not isinstance(portage.portdb._pregen_auxdb[portage.portdb.porttree_root], md5_database):
+					sys.exit(1)
+			"""),),
+
+			(BASH_BINARY, "-c", "echo %s > %s" %
+				tuple(map(portage._shell_quote,
+				("cache-formats = pms md5-dict", layout_conf_path,)))),
+			python_cmd + (textwrap.dedent("""
+				import os, sys, portage
+				if portage.portdb.porttree_root not in portage.portdb._pregen_auxdb:
+					sys.exit(1)
+			"""),),
+			python_cmd + (textwrap.dedent("""
+				import os, sys, portage
+				from portage.cache.metadata import database as pms_database
+				if not isinstance(portage.portdb._pregen_auxdb[portage.portdb.porttree_root], pms_database):
+					sys.exit(1)
+			"""),),
+		)
+
+		features = []
+		if not portage.process.sandbox_capable or \
+			os.environ.get("SANDBOX_ON") == "1":
+			features.append("-sandbox")
+
+		make_conf = (
+			"FEATURES=\"%s\"\n" % (" ".join(features),),
+			"PORTDIR=\"%s\"\n" % (portdir,),
+			"PORTAGE_GRPNAME=\"%s\"\n" % (os.environ["PORTAGE_GRPNAME"],),
+			"PORTAGE_USERNAME=\"%s\"\n" % (os.environ["PORTAGE_USERNAME"],),
+		)
+
+		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 = {
+			"PATH" : os.environ.get("PATH", ""),
+			"PORTAGE_OVERRIDE_EPREFIX" : eprefix,
+			"PORTAGE_PYTHON" : portage_python,
+			"PYTHONPATH" : pythonpath,
+		}
+
+		if "__PORTAGE_TEST_HARDLINK_LOCKS" in os.environ:
+			env["__PORTAGE_TEST_HARDLINK_LOCKS"] = \
+				os.environ["__PORTAGE_TEST_HARDLINK_LOCKS"]
+
+		dirs = [user_config_dir]
+
+		try:
+			for d in dirs:
+				ensure_dirs(d)
+			with open(os.path.join(user_config_dir, "make.conf"), 'w') as f:
+				for line in make_conf:
+					f.write(line)
+
+			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
+
+				proc = subprocess.Popen(args,
+					env=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,
+					"command failed with args %s" % (args,))
+		finally:
+			playground.cleanup()