Quelle test_base.py Sprache: Python

# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

import json
import os
import shutil
import sys
import tempfile
import unittest

import mozpack.path as mozpath
from buildconfig import topobjdir, topsrcdir
from mach.logging import LoggingManager
from mozfile.mozfile import NamedTemporaryFile
from mozunit import main
from six import StringIO

from mozbuild.backend.configenvironment import ConfigEnvironment
from mozbuild.base import (
    BadEnvironmentException,
    MachCommandBase,
    MozbuildObject,
    PathArgument,
)
from mozbuild.test.common import prepare_tmp_topsrcdir

curdir = os.path.dirname(__file__)
log_manager = LoggingManager()

class TestMozbuildObject(unittest.TestCase):
    def setUp(self):
        self._old_cwd = os.getcwd()
        self._old_env = dict(os.environ)
        os.environ.pop("MOZCONFIG", None)
        os.environ.pop("MOZ_OBJDIR", None)

    def tearDown(self):
        os.chdir(self._old_cwd)
        os.environ.clear()
        os.environ.update(self._old_env)

    def get_base(self, topobjdir=None):
        return MozbuildObject(topsrcdir, None, log_manager, topobjdir=topobjdir)

    def test_objdir_config_guess(self):
        base = self.get_base()

        with NamedTemporaryFile(mode="wt") as mozconfig:
            os.environ["MOZCONFIG"] = mozconfig.name

            self.assertIsNotNone(base.topobjdir)
            self.assertEqual(len(base.topobjdir.split()), 1)
            config_guess = base.resolve_config_guess()
            self.assertTrue(base.topobjdir.endswith(config_guess))
            self.assertTrue(os.path.isabs(base.topobjdir))
            self.assertTrue(base.topobjdir.startswith(base.topsrcdir))

    def test_objdir_trailing_slash(self):
        """Trailing slashes in topobjdir should be removed."""
        base = self.get_base()

        with NamedTemporaryFile(mode="wt") as mozconfig:
            mozconfig.write("mk_add_options MOZ_OBJDIR=@TOPSRCDIR@/foo/")
            mozconfig.flush()
            os.environ["MOZCONFIG"] = mozconfig.name

            self.assertEqual(base.topobjdir, mozpath.join(base.topsrcdir, "foo"))
            self.assertTrue(base.topobjdir.endswith("foo"))

    def test_objdir_config_status(self):
        """Ensure @CONFIG_GUESS@ is handled when loading mozconfig."""
        base = self.get_base()
        guess = base.resolve_config_guess()

        # There may be symlinks involved, so we use real paths to ensure
        # path consistency.
        d = os.path.realpath(tempfile.mkdtemp())
        try:
            mozconfig = os.path.join(d, "mozconfig")
            with open(mozconfig, "wt") as fh:
                fh.write("mk_add_options MOZ_OBJDIR=@TOPSRCDIR@/foo/@CONFIG_GUESS@")
            print("Wrote mozconfig %s" % mozconfig)

            topobjdir = os.path.join(d, "foo", guess)
            os.makedirs(topobjdir)

            # Create a fake topsrcdir.
            prepare_tmp_topsrcdir(d)

            mozinfo = os.path.join(topobjdir, "mozinfo.json")
            with open(mozinfo, "wt") as fh:
                json.dump(
                    dict(
                        topsrcdir=d,
                        mozconfig=mozconfig,
                    ),
                    fh,
                )

            os.environ["MOZCONFIG"] = mozconfig
            os.chdir(topobjdir)

            obj = MozbuildObject.from_environment(detect_virtualenv_mozinfo=False)

            self.assertEqual(obj.topobjdir, mozpath.normsep(topobjdir))
        finally:
            os.chdir(self._old_cwd)
            shutil.rmtree(d)

    def test_relative_objdir(self):
        """Relative defined objdirs are loaded properly."""
        d = os.path.realpath(tempfile.mkdtemp())
        try:
            mozconfig = os.path.join(d, "mozconfig")
            with open(mozconfig, "wt") as fh:
                fh.write("mk_add_options MOZ_OBJDIR=./objdir")

            topobjdir = mozpath.join(d, "objdir")
            os.mkdir(topobjdir)

            mozinfo = os.path.join(topobjdir, "mozinfo.json")
            with open(mozinfo, "wt") as fh:
                json.dump(
                    dict(
                        topsrcdir=d,
                        mozconfig=mozconfig,
                    ),
                    fh,
                )

            os.environ["MOZCONFIG"] = mozconfig
            child = os.path.join(topobjdir, "foo", "bar")
            os.makedirs(child)
            os.chdir(child)

            obj = MozbuildObject.from_environment(detect_virtualenv_mozinfo=False)

            self.assertEqual(obj.topobjdir, topobjdir)

        finally:
            os.chdir(self._old_cwd)
            shutil.rmtree(d)

    @unittest.skipIf(
        not hasattr(os, "symlink") or os.name == "nt", "symlinks not available."
    )
    def test_symlink_objdir(self):
        """Objdir that is a symlink is loaded properly."""
        d = os.path.realpath(tempfile.mkdtemp())
        try:
            topobjdir_real = os.path.join(d, "objdir")
            topobjdir_link = os.path.join(d, "objlink")

            os.mkdir(topobjdir_real)
            os.symlink(topobjdir_real, topobjdir_link)

            mozconfig = os.path.join(d, "mozconfig")
            with open(mozconfig, "wt") as fh:
                fh.write("mk_add_options MOZ_OBJDIR=%s" % topobjdir_link)

            mozinfo = os.path.join(topobjdir_real, "mozinfo.json")
            with open(mozinfo, "wt") as fh:
                json.dump(
                    dict(
                        topsrcdir=d,
                        mozconfig=mozconfig,
                    ),
                    fh,
                )

            os.chdir(topobjdir_link)
            obj = MozbuildObject.from_environment(detect_virtualenv_mozinfo=False)
            self.assertEqual(obj.topobjdir, topobjdir_real)

            os.chdir(topobjdir_real)
            obj = MozbuildObject.from_environment(detect_virtualenv_mozinfo=False)
            self.assertEqual(obj.topobjdir, topobjdir_real)

        finally:
            os.chdir(self._old_cwd)
            shutil.rmtree(d)

    def test_mach_command_base_inside_objdir(self):
        """Ensure a MachCommandBase constructed from inside the objdir works."""

        d = os.path.realpath(tempfile.mkdtemp())

        try:
            topobjdir = os.path.join(d, "objdir")
            os.makedirs(topobjdir)

            topsrcdir = os.path.join(d, "srcdir")
            prepare_tmp_topsrcdir(topsrcdir)

            mozinfo = os.path.join(topobjdir, "mozinfo.json")
            with open(mozinfo, "wt") as fh:
                json.dump(
                    dict(
                        topsrcdir=topsrcdir,
                    ),
                    fh,
                )

            os.chdir(topobjdir)

            class MockMachContext(object):
                pass

            context = MockMachContext()
            context.cwd = topobjdir
            context.topdir = topsrcdir
            context.settings = None
            context.log_manager = None
            context.detect_virtualenv_mozinfo = False

            o = MachCommandBase(context, None)

            self.assertEqual(o.topobjdir, mozpath.normsep(topobjdir))
            self.assertEqual(o.topsrcdir, mozpath.normsep(topsrcdir))

        finally:
            os.chdir(self._old_cwd)
            shutil.rmtree(d)

    def test_objdir_is_srcdir_rejected(self):
        """Ensure the srcdir configurations are rejected."""
        d = os.path.realpath(tempfile.mkdtemp())

        try:
            # The easiest way to do this is to create a mozinfo.json with data
            # that will never happen.
            mozinfo = os.path.join(d, "mozinfo.json")
            with open(mozinfo, "wt") as fh:
                json.dump({"topsrcdir": d}, fh)

            os.chdir(d)

            with self.assertRaises(BadEnvironmentException):
                MozbuildObject.from_environment(detect_virtualenv_mozinfo=False)

        finally:
            os.chdir(self._old_cwd)
            shutil.rmtree(d)

    def test_objdir_mismatch(self):
        """Ensure MachCommandBase throwing on objdir mismatch."""
        d = os.path.realpath(tempfile.mkdtemp())

        try:
            real_topobjdir = os.path.join(d, "real-objdir")
            os.makedirs(real_topobjdir)

            topobjdir = os.path.join(d, "objdir")
            os.makedirs(topobjdir)

            topsrcdir = os.path.join(d, "srcdir")
            prepare_tmp_topsrcdir(topsrcdir)

            mozconfig = os.path.join(d, "mozconfig")
            with open(mozconfig, "wt") as fh:
                fh.write(
                    "mk_add_options MOZ_OBJDIR=%s" % real_topobjdir.replace("\\", "/")
                )

            mozinfo = os.path.join(topobjdir, "mozinfo.json")
            with open(mozinfo, "wt") as fh:
                json.dump(
                    dict(
                        topsrcdir=topsrcdir,
                        mozconfig=mozconfig,
                    ),
                    fh,
                )

            os.chdir(topobjdir)

            class MockMachContext(object):
                pass

            context = MockMachContext()
            context.cwd = topobjdir
            context.topdir = topsrcdir
            context.settings = None
            context.log_manager = None
            context.detect_virtualenv_mozinfo = False

            stdout = sys.stdout
            sys.stdout = StringIO()
            try:
                with self.assertRaises(SystemExit):
                    MachCommandBase(context, None)

                self.assertTrue(
                    sys.stdout.getvalue().startswith(
                        "Ambiguous object directory detected."
                    )
                )
            finally:
                sys.stdout = stdout

        finally:
            os.chdir(self._old_cwd)
            shutil.rmtree(d)

    def test_config_environment(self):
        d = os.path.realpath(tempfile.mkdtemp())

        try:
            with open(os.path.join(d, "config.status"), "w") as fh:
                fh.write("# coding=utf-8\n")
                fh.write("from __future__ import unicode_literals\n")
                fh.write("topobjdir = '%s'\n" % mozpath.normsep(d))
                fh.write("topsrcdir = '%s'\n" % topsrcdir)
                fh.write("mozconfig = None\n")
                fh.write("defines = { 'FOO': 'foo' }\n")
                fh.write("substs = { 'QUX': 'qux' }\n")
                fh.write(
                    "__all__ = ['topobjdir', 'topsrcdir', 'defines', "
                    "'substs', 'mozconfig']"
                )

            base = self.get_base(topobjdir=d)

            ce = base.config_environment
            self.assertIsInstance(ce, ConfigEnvironment)

            self.assertEqual(base.defines, ce.defines)
            self.assertEqual(base.substs, ce.substs)

            self.assertEqual(base.defines, {"FOO": "foo"})
            self.assertEqual(
                base.substs,
                {
                    "ACDEFINES": "-DFOO=foo",
                    "ALLEMPTYSUBSTS": "",
                    "ALLSUBSTS": "ACDEFINES = -DFOO=foo\nQUX = qux",
                    "QUX": "qux",
                },
            )
        finally:
            shutil.rmtree(d)

    def test_get_binary_path(self):
        base = self.get_base(topobjdir=topobjdir)

        platform = sys.platform

        # We should ideally use the config.status from the build. Let's install
        # a fake one.
        substs = [
            ("MOZ_APP_NAME", "awesomeapp"),
            ("MOZ_BUILD_APP", "awesomeapp"),
        ]
        if sys.platform.startswith("darwin"):
            substs.append(("OS_ARCH", "Darwin"))
            substs.append(("BIN_SUFFIX", ""))
            substs.append(("MOZ_MACBUNDLE_NAME", "Nightly.app"))
        elif sys.platform.startswith(("win32", "cygwin")):
            substs.append(("OS_ARCH", "WINNT"))
            substs.append(("BIN_SUFFIX", ".exe"))
        else:
            substs.append(("OS_ARCH", "something"))
            substs.append(("BIN_SUFFIX", ""))

        base._config_environment = ConfigEnvironment(
            base.topsrcdir, base.topobjdir, substs=substs
        )

        p = base.get_binary_path("xpcshell", False)
        if platform.startswith("darwin"):
            self.assertTrue(p.endswith("Contents/MacOS/xpcshell"))
        elif platform.startswith(("win32", "cygwin")):
            self.assertTrue(p.endswith("xpcshell.exe"))
        else:
            self.assertTrue(p.endswith("dist/bin/xpcshell"))

        p = base.get_binary_path(validate_exists=False)
        if platform.startswith("darwin"):
            self.assertTrue(p.endswith("Contents/MacOS/awesomeapp"))
        elif platform.startswith(("win32", "cygwin")):
            self.assertTrue(p.endswith("awesomeapp.exe"))
        else:
            self.assertTrue(p.endswith("dist/bin/awesomeapp"))

        p = base.get_binary_path(validate_exists=False, where="staged-package")
        if platform.startswith("darwin"):
            self.assertTrue(
                p.endswith("awesomeapp/Nightly.app/Contents/MacOS/awesomeapp")
            )
        elif platform.startswith(("win32", "cygwin")):
            self.assertTrue(p.endswith("awesomeapp\\awesomeapp.exe"))
        else:
            self.assertTrue(p.endswith("awesomeapp/awesomeapp"))

        self.assertRaises(Exception, base.get_binary_path, where="somewhere")

        p = base.get_binary_path("foobar", validate_exists=False)
        if platform.startswith("win32"):
            self.assertTrue(p.endswith("foobar.exe"))
        else:
            self.assertTrue(p.endswith("foobar"))

class TestPathArgument(unittest.TestCase):
    def test_path_argument(self):
        # Absolute path
        p = PathArgument("/obj/foo", "/src", "/obj", "/src")
        self.assertEqual(p.relpath(), "foo")
        self.assertEqual(p.srcdir_path(), "/src/foo")
        self.assertEqual(p.objdir_path(), "/obj/foo")

        # Relative path within srcdir
        p = PathArgument("foo", "/src", "/obj", "/src")
        self.assertEqual(p.relpath(), "foo")
        self.assertEqual(p.srcdir_path(), "/src/foo")
        self.assertEqual(p.objdir_path(), "/obj/foo")

        # Relative path within subdirectory
        p = PathArgument("bar", "/src", "/obj", "/src/foo")
        self.assertEqual(p.relpath(), "foo/bar")
        self.assertEqual(p.srcdir_path(), "/src/foo/bar")
        self.assertEqual(p.objdir_path(), "/obj/foo/bar")

        # Relative path within objdir
        p = PathArgument("foo", "/src", "/obj", "/obj")
        self.assertEqual(p.relpath(), "foo")
        self.assertEqual(p.srcdir_path(), "/src/foo")
        self.assertEqual(p.objdir_path(), "/obj/foo")

        # "." path
        p = PathArgument(".", "/src", "/obj", "/src/foo")
        self.assertEqual(p.relpath(), "foo")
        self.assertEqual(p.srcdir_path(), "/src/foo")
        self.assertEqual(p.objdir_path(), "/obj/foo")

        # Nested src/obj directories
        p = PathArgument("bar", "/src", "/src/obj", "/src/obj/foo")
        self.assertEqual(p.relpath(), "foo/bar")
        self.assertEqual(p.srcdir_path(), "/src/foo/bar")
        self.assertEqual(p.objdir_path(), "/src/obj/foo/bar")

if __name__ == "__main__":
    main()

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