DistroTest.cpp
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//===- unittests/Driver/DistroTest.cpp --- ToolChains tests ---------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// Unit tests for Distro detection.
//
//===----------------------------------------------------------------------===//
#include "clang/Driver/Distro.h"
#include "llvm/Support/VirtualFileSystem.h"
#include "llvm/Support/raw_ostream.h"
#include "gtest/gtest.h"
using namespace clang;
using namespace clang::driver;
namespace {
// The tests include all release-related files for each distribution
// in the VFS, in order to make sure that earlier tests do not
// accidentally result in incorrect distribution guess.
TEST(DistroTest, DetectUbuntu) {
llvm::vfs::InMemoryFileSystem UbuntuTrustyFileSystem;
// Ubuntu uses Debian Sid version.
UbuntuTrustyFileSystem.addFile("/etc/debian_version", 0,
llvm::MemoryBuffer::getMemBuffer("jessie/sid\n"));
UbuntuTrustyFileSystem.addFile("/etc/lsb-release", 0,
llvm::MemoryBuffer::getMemBuffer("DISTRIB_ID=Ubuntu\n"
"DISTRIB_RELEASE=14.04\n"
"DISTRIB_CODENAME=trusty\n"
"DISTRIB_DESCRIPTION=\"Ubuntu 14.04 LTS\"\n"));
UbuntuTrustyFileSystem.addFile("/etc/os-release", 0,
llvm::MemoryBuffer::getMemBuffer("NAME=\"Ubuntu\"\n"
"VERSION=\"14.04, Trusty Tahr\"\n"
"ID=ubuntu\n"
"ID_LIKE=debian\n"
"PRETTY_NAME=\"Ubuntu 14.04 LTS\"\n"
"VERSION_ID=\"14.04\"\n"
"HOME_URL=\"http://www.ubuntu.com/\"\n"
"SUPPORT_URL=\"http://help.ubuntu.com/\"\n"
"BUG_REPORT_URL=\"http://bugs.launchpad.net/ubuntu/\"\n"));
Distro UbuntuTrusty{UbuntuTrustyFileSystem, llvm::Triple("unknown-pc-linux")};
ASSERT_EQ(Distro(Distro::UbuntuTrusty), UbuntuTrusty);
ASSERT_TRUE(UbuntuTrusty.IsUbuntu());
ASSERT_FALSE(UbuntuTrusty.IsRedhat());
ASSERT_FALSE(UbuntuTrusty.IsOpenSUSE());
ASSERT_FALSE(UbuntuTrusty.IsDebian());
ASSERT_FALSE(UbuntuTrusty.IsGentoo());
Distro UbuntuTrusty2{UbuntuTrustyFileSystem, llvm::Triple("unknown-pc-windows")};
ASSERT_EQ(Distro(Distro::UnknownDistro), UbuntuTrusty2);
llvm::vfs::InMemoryFileSystem UbuntuYakketyFileSystem;
UbuntuYakketyFileSystem.addFile("/etc/debian_version", 0,
llvm::MemoryBuffer::getMemBuffer("stretch/sid\n"));
UbuntuYakketyFileSystem.addFile("/etc/lsb-release", 0,
llvm::MemoryBuffer::getMemBuffer("DISTRIB_ID=Ubuntu\n"
"DISTRIB_RELEASE=16.10\n"
"DISTRIB_CODENAME=yakkety\n"
"DISTRIB_DESCRIPTION=\"Ubuntu 16.10\"\n"));
UbuntuYakketyFileSystem.addFile("/etc/os-release", 0,
llvm::MemoryBuffer::getMemBuffer("NAME=\"Ubuntu\"\n"
"VERSION=\"16.10 (Yakkety Yak)\"\n"
"ID=ubuntu\n"
"ID_LIKE=debian\n"
"PRETTY_NAME=\"Ubuntu 16.10\"\n"
"VERSION_ID=\"16.10\"\n"
"HOME_URL=\"http://www.ubuntu.com/\"\n"
"SUPPORT_URL=\"http://help.ubuntu.com/\"\n"
"BUG_REPORT_URL=\"http://bugs.launchpad.net/ubuntu/\"\n"
"PRIVACY_POLICY_URL=\"http://www.ubuntu.com/legal/terms-and-policies/privacy-policy\"\n"
"VERSION_CODENAME=yakkety\n"
"UBUNTU_CODENAME=yakkety\n"));
Distro UbuntuYakkety{UbuntuYakketyFileSystem, llvm::Triple("unknown-pc-linux")};
ASSERT_EQ(Distro(Distro::UbuntuYakkety), UbuntuYakkety);
ASSERT_TRUE(UbuntuYakkety.IsUbuntu());
ASSERT_FALSE(UbuntuYakkety.IsRedhat());
ASSERT_FALSE(UbuntuYakkety.IsOpenSUSE());
ASSERT_FALSE(UbuntuYakkety.IsDebian());
ASSERT_FALSE(UbuntuYakkety.IsGentoo());
}
TEST(DistroTest, DetectRedhat) {
llvm::vfs::InMemoryFileSystem Fedora25FileSystem;
Fedora25FileSystem.addFile("/etc/system-release-cpe", 0,
llvm::MemoryBuffer::getMemBuffer("cpe:/o:fedoraproject:fedora:25\n"));
// Both files are symlinks to fedora-release.
Fedora25FileSystem.addFile("/etc/system-release", 0,
llvm::MemoryBuffer::getMemBuffer("Fedora release 25 (Twenty Five)\n"));
Fedora25FileSystem.addFile("/etc/redhat-release", 0,
llvm::MemoryBuffer::getMemBuffer("Fedora release 25 (Twenty Five)\n"));
Fedora25FileSystem.addFile("/etc/fedora-release", 0,
llvm::MemoryBuffer::getMemBuffer("Fedora release 25 (Twenty Five)\n"));
Fedora25FileSystem.addFile("/etc/os-release", 0,
llvm::MemoryBuffer::getMemBuffer("NAME=Fedora\n"
"VERSION=\"25 (Twenty Five)\"\n"
"ID=fedora\n"
"VERSION_ID=25\n"
"PRETTY_NAME=\"Fedora 25 (Twenty Five)\"\n"
"ANSI_COLOR=\"0;34\"\n"
"CPE_NAME=\"cpe:/o:fedoraproject:fedora:25\"\n"
"HOME_URL=\"https://fedoraproject.org/\"\n"
"BUG_REPORT_URL=\"https://bugzilla.redhat.com/\"\n"
"REDHAT_BUGZILLA_PRODUCT=\"Fedora\"\n"
"REDHAT_BUGZILLA_PRODUCT_VERSION=25\n"
"REDHAT_SUPPORT_PRODUCT=\"Fedora\"\n"
"REDHAT_SUPPORT_PRODUCT_VERSION=25\n"
"PRIVACY_POLICY_URL=https://fedoraproject.org/wiki/Legal:PrivacyPolicy\n"));
Distro Fedora25{Fedora25FileSystem, llvm::Triple("unknown-pc-linux")};
ASSERT_EQ(Distro(Distro::Fedora), Fedora25);
ASSERT_FALSE(Fedora25.IsUbuntu());
ASSERT_TRUE(Fedora25.IsRedhat());
ASSERT_FALSE(Fedora25.IsOpenSUSE());
ASSERT_FALSE(Fedora25.IsDebian());
ASSERT_FALSE(Fedora25.IsGentoo());
llvm::vfs::InMemoryFileSystem CentOS7FileSystem;
CentOS7FileSystem.addFile("/etc/system-release-cpe", 0,
llvm::MemoryBuffer::getMemBuffer("cpe:/o:centos:centos:7\n"));
// Both files are symlinks to centos-release.
CentOS7FileSystem.addFile("/etc/system-release", 0,
llvm::MemoryBuffer::getMemBuffer("CentOS Linux release 7.2.1511 (Core) \n"));
CentOS7FileSystem.addFile("/etc/redhat-release", 0,
llvm::MemoryBuffer::getMemBuffer("CentOS Linux release 7.2.1511 (Core) \n"));
CentOS7FileSystem.addFile("/etc/centos-release", 0,
llvm::MemoryBuffer::getMemBuffer("CentOS Linux release 7.2.1511 (Core) \n"));
CentOS7FileSystem.addFile("/etc/centos-release-upstream", 0,
llvm::MemoryBuffer::getMemBuffer("Derived from Red Hat Enterprise Linux 7.2 (Source)\n"));
CentOS7FileSystem.addFile("/etc/os-release", 0,
llvm::MemoryBuffer::getMemBuffer("NAME=\"CentOS Linux\"\n"
"VERSION=\"7 (Core)\"\n"
"ID=\"centos\"\n"
"ID_LIKE=\"rhel fedora\"\n"
"VERSION_ID=\"7\"\n"
"PRETTY_NAME=\"CentOS Linux 7 (Core)\"\n"
"ANSI_COLOR=\"0;31\"\n"
"CPE_NAME=\"cpe:/o:centos:centos:7\"\n"
"HOME_URL=\"https://www.centos.org/\"\n"
"BUG_REPORT_URL=\"https://bugs.centos.org/\"\n"
"\n"
"CENTOS_MANTISBT_PROJECT=\"CentOS-7\"\n"
"CENTOS_MANTISBT_PROJECT_VERSION=\"7\"\n"
"REDHAT_SUPPORT_PRODUCT=\"centos\"\n"
"REDHAT_SUPPORT_PRODUCT_VERSION=\"7\"\n"));
Distro CentOS7{CentOS7FileSystem, llvm::Triple("unknown-pc-linux")};
ASSERT_EQ(Distro(Distro::RHEL7), CentOS7);
ASSERT_FALSE(CentOS7.IsUbuntu());
ASSERT_TRUE(CentOS7.IsRedhat());
ASSERT_FALSE(CentOS7.IsOpenSUSE());
ASSERT_FALSE(CentOS7.IsDebian());
ASSERT_FALSE(CentOS7.IsGentoo());
}
TEST(DistroTest, DetectOpenSUSE) {
llvm::vfs::InMemoryFileSystem OpenSUSELeap421FileSystem;
OpenSUSELeap421FileSystem.addFile("/etc/SuSE-release", 0,
llvm::MemoryBuffer::getMemBuffer("openSUSE 42.1 (x86_64)\n"
"VERSION = 42.1\n"
"CODENAME = Malachite\n"
"# /etc/SuSE-release is deprecated and will be removed in the future, use /etc/os-release instead\n"));
OpenSUSELeap421FileSystem.addFile("/etc/os-release", 0,
llvm::MemoryBuffer::getMemBuffer("NAME=\"openSUSE Leap\"\n"
"VERSION=\"42.1\"\n"
"VERSION_ID=\"42.1\"\n"
"PRETTY_NAME=\"openSUSE Leap 42.1 (x86_64)\"\n"
"ID=opensuse\n"
"ANSI_COLOR=\"0;32\"\n"
"CPE_NAME=\"cpe:/o:opensuse:opensuse:42.1\"\n"
"BUG_REPORT_URL=\"https://bugs.opensuse.org\"\n"
"HOME_URL=\"https://opensuse.org/\"\n"
"ID_LIKE=\"suse\"\n"));
Distro OpenSUSELeap421{OpenSUSELeap421FileSystem, llvm::Triple("unknown-pc-linux")};
ASSERT_EQ(Distro(Distro::OpenSUSE), OpenSUSELeap421);
ASSERT_FALSE(OpenSUSELeap421.IsUbuntu());
ASSERT_FALSE(OpenSUSELeap421.IsRedhat());
ASSERT_TRUE(OpenSUSELeap421.IsOpenSUSE());
ASSERT_FALSE(OpenSUSELeap421.IsDebian());
ASSERT_FALSE(OpenSUSELeap421.IsGentoo());
llvm::vfs::InMemoryFileSystem OpenSUSE132FileSystem;
OpenSUSE132FileSystem.addFile("/etc/SuSE-release", 0,
llvm::MemoryBuffer::getMemBuffer("openSUSE 13.2 (x86_64)\n"
"VERSION = 13.2\n"
"CODENAME = Harlequin\n"
"# /etc/SuSE-release is deprecated and will be removed in the future, use /etc/os-release instead\n"));
OpenSUSE132FileSystem.addFile("/etc/os-release", 0,
llvm::MemoryBuffer::getMemBuffer("NAME=openSUSE\n"
"VERSION=\"13.2 (Harlequin)\"\n"
"VERSION_ID=\"13.2\"\n"
"PRETTY_NAME=\"openSUSE 13.2 (Harlequin) (x86_64)\"\n"
"ID=opensuse\n"
"ANSI_COLOR=\"0;32\"\n"
"CPE_NAME=\"cpe:/o:opensuse:opensuse:13.2\"\n"
"BUG_REPORT_URL=\"https://bugs.opensuse.org\"\n"
"HOME_URL=\"https://opensuse.org/\"\n"
"ID_LIKE=\"suse\"\n"));
Distro OpenSUSE132{OpenSUSE132FileSystem, llvm::Triple("unknown-pc-linux")};
ASSERT_EQ(Distro(Distro::OpenSUSE), OpenSUSE132);
ASSERT_FALSE(OpenSUSE132.IsUbuntu());
ASSERT_FALSE(OpenSUSE132.IsRedhat());
ASSERT_TRUE(OpenSUSE132.IsOpenSUSE());
ASSERT_FALSE(OpenSUSE132.IsDebian());
ASSERT_FALSE(OpenSUSE132.IsGentoo());
llvm::vfs::InMemoryFileSystem SLES10FileSystem;
SLES10FileSystem.addFile("/etc/SuSE-release", 0,
llvm::MemoryBuffer::getMemBuffer("SUSE Linux Enterprise Server 10 (x86_64)\n"
"VERSION = 10\n"
"PATCHLEVEL = 4\n"));
SLES10FileSystem.addFile("/etc/lsb_release", 0,
llvm::MemoryBuffer::getMemBuffer("LSB_VERSION=\"core-2.0-noarch:core-3.0-noarch:core-2.0-x86_64:core-3.0-x86_64\"\n"));
// SLES10 is unsupported and therefore evaluates to unknown
Distro SLES10{SLES10FileSystem, llvm::Triple("unknown-pc-linux")};
ASSERT_EQ(Distro(Distro::UnknownDistro), SLES10);
ASSERT_FALSE(SLES10.IsUbuntu());
ASSERT_FALSE(SLES10.IsRedhat());
ASSERT_FALSE(SLES10.IsOpenSUSE());
ASSERT_FALSE(SLES10.IsDebian());
ASSERT_FALSE(SLES10.IsGentoo());
}
TEST(DistroTest, DetectDebian) {
llvm::vfs::InMemoryFileSystem DebianJessieFileSystem;
DebianJessieFileSystem.addFile("/etc/debian_version", 0,
llvm::MemoryBuffer::getMemBuffer("8.6\n"));
DebianJessieFileSystem.addFile("/etc/os-release", 0,
llvm::MemoryBuffer::getMemBuffer("PRETTY_NAME=\"Debian GNU/Linux 8 (jessie)\"\n"
"NAME=\"Debian GNU/Linux\"\n"
"VERSION_ID=\"8\"\n"
"VERSION=\"8 (jessie)\"\n"
"ID=debian\n"
"HOME_URL=\"http://www.debian.org/\"\n"
"SUPPORT_URL=\"http://www.debian.org/support\"\n"
"BUG_REPORT_URL=\"https://bugs.debian.org/\"\n"));
Distro DebianJessie{DebianJessieFileSystem, llvm::Triple("unknown-pc-linux")};
ASSERT_EQ(Distro(Distro::DebianJessie), DebianJessie);
ASSERT_FALSE(DebianJessie.IsUbuntu());
ASSERT_FALSE(DebianJessie.IsRedhat());
ASSERT_FALSE(DebianJessie.IsOpenSUSE());
ASSERT_TRUE(DebianJessie.IsDebian());
ASSERT_FALSE(DebianJessie.IsGentoo());
llvm::vfs::InMemoryFileSystem DebianStretchSidFileSystem;
DebianStretchSidFileSystem.addFile("/etc/debian_version", 0,
llvm::MemoryBuffer::getMemBuffer("stretch/sid\n"));
DebianStretchSidFileSystem.addFile("/etc/os-release", 0,
llvm::MemoryBuffer::getMemBuffer("PRETTY_NAME=\"Debian GNU/Linux stretch/sid\"\n"
"NAME=\"Debian GNU/Linux\"\n"
"ID=debian\n"
"HOME_URL=\"http://www.debian.org/\"\n"
"SUPPORT_URL=\"http://www.debian.org/support\"\n"
"BUG_REPORT_URL=\"https://bugs.debian.org/\"\n"));
Distro DebianStretchSid{DebianStretchSidFileSystem, llvm::Triple("unknown-pc-linux")};
ASSERT_EQ(Distro(Distro::DebianStretch), DebianStretchSid);
ASSERT_FALSE(DebianStretchSid.IsUbuntu());
ASSERT_FALSE(DebianStretchSid.IsRedhat());
ASSERT_FALSE(DebianStretchSid.IsOpenSUSE());
ASSERT_TRUE(DebianStretchSid.IsDebian());
ASSERT_FALSE(DebianStretchSid.IsGentoo());
}
TEST(DistroTest, DetectExherbo) {
llvm::vfs::InMemoryFileSystem ExherboFileSystem;
ExherboFileSystem.addFile("/etc/exherbo-release", 0, // (ASCII art)
llvm::MemoryBuffer::getMemBuffer(""));
ExherboFileSystem.addFile("/etc/os-release", 0,
llvm::MemoryBuffer::getMemBuffer("NAME=\"Exherbo\"\n"
"PRETTY_NAME=\"Exherbo Linux\"\n"
"ID=\"exherbo\"\n"
"ANSI_COLOR=\"0;32\"\n"
"HOME_URL=\"https://www.exherbo.org/\"\n"
"SUPPORT_URL=\"irc://irc.freenode.net/#exherbo\"\n"
"BUG_REPORT_URL=\"https://bugs.exherbo.org/\"\n"));
Distro Exherbo{ExherboFileSystem, llvm::Triple("unknown-pc-linux")};
ASSERT_EQ(Distro(Distro::Exherbo), Exherbo);
ASSERT_FALSE(Exherbo.IsUbuntu());
ASSERT_FALSE(Exherbo.IsRedhat());
ASSERT_FALSE(Exherbo.IsOpenSUSE());
ASSERT_FALSE(Exherbo.IsDebian());
ASSERT_FALSE(Exherbo.IsGentoo());
}
TEST(DistroTest, DetectArchLinux) {
llvm::vfs::InMemoryFileSystem ArchLinuxFileSystem;
ArchLinuxFileSystem.addFile("/etc/arch-release", 0, // (empty)
llvm::MemoryBuffer::getMemBuffer(""));
ArchLinuxFileSystem.addFile("/etc/os-release", 0,
llvm::MemoryBuffer::getMemBuffer("NAME=\"Arch Linux\"\n"
"ID=arch\n"
"PRETTY_NAME=\"Arch Linux\"\n"
"ANSI_COLOR=\"0;36\"\n"
"HOME_URL=\"https://www.archlinux.org/\"\n"
"SUPPORT_URL=\"https://bbs.archlinux.org/\"\n"
"BUG_REPORT_URL=\"https://bugs.archlinux.org/\"\n"));
Distro ArchLinux{ArchLinuxFileSystem, llvm::Triple("unknown-pc-linux")};
ASSERT_EQ(Distro(Distro::ArchLinux), ArchLinux);
ASSERT_FALSE(ArchLinux.IsUbuntu());
ASSERT_FALSE(ArchLinux.IsRedhat());
ASSERT_FALSE(ArchLinux.IsOpenSUSE());
ASSERT_FALSE(ArchLinux.IsDebian());
ASSERT_FALSE(ArchLinux.IsGentoo());
}
TEST(DistroTest, DetectGentoo) {
llvm::vfs::InMemoryFileSystem GentooFileSystem;
GentooFileSystem.addFile(
"/etc/gentoo-release", 0,
llvm::MemoryBuffer::getMemBuffer("Gentoo Base System release 2.6"));
GentooFileSystem.addFile(
"/etc/os-release", 0,
llvm::MemoryBuffer::getMemBuffer(
"NAME=Gentoo\n"
"ID=gentoo\n"
"PRETTY_NAME=\"Gentoo/Linux\"\n"
"ANSI_COLOR=\"1;32\"\n"
"HOME_URL=\"https://www.gentoo.org/\"\n"
"SUPPORT_URL=\"https://www.gentoo.org/support/\"\n"
"BUG_REPORT_URL=\"https://bugs.gentoo.org/\"\n"));
Distro Gentoo{GentooFileSystem, llvm::Triple("unknown-pc-linux")};
ASSERT_EQ(Distro(Distro::Gentoo), Gentoo);
ASSERT_FALSE(Gentoo.IsUbuntu());
ASSERT_FALSE(Gentoo.IsRedhat());
ASSERT_FALSE(Gentoo.IsOpenSUSE());
ASSERT_FALSE(Gentoo.IsDebian());
ASSERT_TRUE(Gentoo.IsGentoo());
}
TEST(DistroTest, DetectWindowsAndCrossCompile) {
class CountingFileSystem : public llvm::vfs::ProxyFileSystem {
public:
CountingFileSystem() : ProxyFileSystem(llvm::vfs::getRealFileSystem()) {}
llvm::ErrorOr<llvm::vfs::Status> status(const llvm::Twine &Path) override {
++Count;
return llvm::vfs::ProxyFileSystem::status(Path);
}
llvm::ErrorOr<std::unique_ptr<llvm::vfs::File>>
openFileForRead(const llvm::Twine &Path) override {
++Count;
return llvm::vfs::ProxyFileSystem::openFileForRead(Path);
}
unsigned Count{};
};
llvm::IntrusiveRefCntPtr<llvm::vfs::FileSystem> RFS =
llvm::vfs::getRealFileSystem();
llvm::Triple Host(llvm::sys::getProcessTriple());
CountingFileSystem CFileSystem;
Distro LinuxDistro{CFileSystem, llvm::Triple("unknown-pc-linux")};
if (Host.isOSWindows()) {
ASSERT_EQ(Distro(Distro::UnknownDistro), LinuxDistro);
ASSERT_GT(CFileSystem.Count, 0U);
}
Distro WinDistro{CFileSystem, llvm::Triple("unknown-pc-windows")};
ASSERT_EQ(Distro(Distro::UnknownDistro), WinDistro);
ASSERT_GT(CFileSystem.Count, 0U);
// When running on Windows along with a real file system, ensure that no
// distro is returned if targeting Linux
if (Host.isOSWindows()) {
Distro LinuxRealDistro{*RFS, llvm::Triple("unknown-pc-linux")};
ASSERT_EQ(Distro(Distro::UnknownDistro), LinuxRealDistro);
}
// When running on Linux, check if the distro is the same as the host when
// targeting Linux
if (Host.isOSLinux()) {
Distro HostDistro{*RFS, Host};
Distro LinuxRealDistro{*RFS, llvm::Triple("unknown-pc-linux")};
ASSERT_EQ(HostDistro, LinuxRealDistro);
}
Distro WinRealDistro{*RFS, llvm::Triple("unknown-pc-windows")};
ASSERT_EQ(Distro(Distro::UnknownDistro), WinRealDistro);
}
} // end anonymous namespace