Clang Project

clang_source_code/unittests/Driver/DistroTest.cpp
1//===- unittests/Driver/DistroTest.cpp --- ToolChains tests ---------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8//
9// Unit tests for Distro detection.
10//
11//===----------------------------------------------------------------------===//
12
13#include "clang/Driver/Distro.h"
14#include "llvm/Support/VirtualFileSystem.h"
15#include "llvm/Support/raw_ostream.h"
16#include "gtest/gtest.h"
17using namespace clang;
18using namespace clang::driver;
19
20namespace {
21
22// The tests include all release-related files for each distribution
23// in the VFS, in order to make sure that earlier tests do not
24// accidentally result in incorrect distribution guess.
25
26TEST(DistroTest, DetectUbuntu) {
27  llvm::vfs::InMemoryFileSystem UbuntuTrustyFileSystem;
28  // Ubuntu uses Debian Sid version.
29  UbuntuTrustyFileSystem.addFile("/etc/debian_version", 0,
30      llvm::MemoryBuffer::getMemBuffer("jessie/sid\n"));
31  UbuntuTrustyFileSystem.addFile("/etc/lsb-release", 0,
32      llvm::MemoryBuffer::getMemBuffer("DISTRIB_ID=Ubuntu\n"
33                                       "DISTRIB_RELEASE=14.04\n"
34                                       "DISTRIB_CODENAME=trusty\n"
35                                       "DISTRIB_DESCRIPTION=\"Ubuntu 14.04 LTS\"\n"));
36  UbuntuTrustyFileSystem.addFile("/etc/os-release", 0,
37      llvm::MemoryBuffer::getMemBuffer("NAME=\"Ubuntu\"\n"
38                                       "VERSION=\"14.04, Trusty Tahr\"\n"
39                                       "ID=ubuntu\n"
40                                       "ID_LIKE=debian\n"
41                                       "PRETTY_NAME=\"Ubuntu 14.04 LTS\"\n"
42                                       "VERSION_ID=\"14.04\"\n"
43                                       "HOME_URL=\"http://www.ubuntu.com/\"\n"
44                                       "SUPPORT_URL=\"http://help.ubuntu.com/\"\n"
45                                       "BUG_REPORT_URL=\"http://bugs.launchpad.net/ubuntu/\"\n"));
46
47  Distro UbuntuTrusty{UbuntuTrustyFileSystem};
48  ASSERT_EQ(Distro(Distro::UbuntuTrusty), UbuntuTrusty);
49  ASSERT_TRUE(UbuntuTrusty.IsUbuntu());
50  ASSERT_FALSE(UbuntuTrusty.IsRedhat());
51  ASSERT_FALSE(UbuntuTrusty.IsOpenSUSE());
52  ASSERT_FALSE(UbuntuTrusty.IsDebian());
53  ASSERT_FALSE(UbuntuTrusty.IsGentoo());
54
55  llvm::vfs::InMemoryFileSystem UbuntuYakketyFileSystem;
56  UbuntuYakketyFileSystem.addFile("/etc/debian_version", 0,
57      llvm::MemoryBuffer::getMemBuffer("stretch/sid\n"));
58  UbuntuYakketyFileSystem.addFile("/etc/lsb-release", 0,
59      llvm::MemoryBuffer::getMemBuffer("DISTRIB_ID=Ubuntu\n"
60                                       "DISTRIB_RELEASE=16.10\n"
61                                       "DISTRIB_CODENAME=yakkety\n"
62                                       "DISTRIB_DESCRIPTION=\"Ubuntu 16.10\"\n"));
63  UbuntuYakketyFileSystem.addFile("/etc/os-release", 0,
64      llvm::MemoryBuffer::getMemBuffer("NAME=\"Ubuntu\"\n"
65                                       "VERSION=\"16.10 (Yakkety Yak)\"\n"
66                                       "ID=ubuntu\n"
67                                       "ID_LIKE=debian\n"
68                                       "PRETTY_NAME=\"Ubuntu 16.10\"\n"
69                                       "VERSION_ID=\"16.10\"\n"
70                                       "HOME_URL=\"http://www.ubuntu.com/\"\n"
71                                       "SUPPORT_URL=\"http://help.ubuntu.com/\"\n"
72                                       "BUG_REPORT_URL=\"http://bugs.launchpad.net/ubuntu/\"\n"
73                                       "PRIVACY_POLICY_URL=\"http://www.ubuntu.com/legal/terms-and-policies/privacy-policy\"\n"
74                                       "VERSION_CODENAME=yakkety\n"
75                                       "UBUNTU_CODENAME=yakkety\n"));
76
77  Distro UbuntuYakkety{UbuntuYakketyFileSystem};
78  ASSERT_EQ(Distro(Distro::UbuntuYakkety), UbuntuYakkety);
79  ASSERT_TRUE(UbuntuYakkety.IsUbuntu());
80  ASSERT_FALSE(UbuntuYakkety.IsRedhat());
81  ASSERT_FALSE(UbuntuYakkety.IsOpenSUSE());
82  ASSERT_FALSE(UbuntuYakkety.IsDebian());
83  ASSERT_FALSE(UbuntuYakkety.IsGentoo());
84}
85
86TEST(DistroTest, DetectRedhat) {
87  llvm::vfs::InMemoryFileSystem Fedora25FileSystem;
88  Fedora25FileSystem.addFile("/etc/system-release-cpe", 0,
89      llvm::MemoryBuffer::getMemBuffer("cpe:/o:fedoraproject:fedora:25\n"));
90  // Both files are symlinks to fedora-release.
91  Fedora25FileSystem.addFile("/etc/system-release", 0,
92      llvm::MemoryBuffer::getMemBuffer("Fedora release 25 (Twenty Five)\n"));
93  Fedora25FileSystem.addFile("/etc/redhat-release", 0,
94      llvm::MemoryBuffer::getMemBuffer("Fedora release 25 (Twenty Five)\n"));
95  Fedora25FileSystem.addFile("/etc/fedora-release", 0,
96      llvm::MemoryBuffer::getMemBuffer("Fedora release 25 (Twenty Five)\n"));
97  Fedora25FileSystem.addFile("/etc/os-release", 0,
98      llvm::MemoryBuffer::getMemBuffer("NAME=Fedora\n"
99                                       "VERSION=\"25 (Twenty Five)\"\n"
100                                       "ID=fedora\n"
101                                       "VERSION_ID=25\n"
102                                       "PRETTY_NAME=\"Fedora 25 (Twenty Five)\"\n"
103                                       "ANSI_COLOR=\"0;34\"\n"
104                                       "CPE_NAME=\"cpe:/o:fedoraproject:fedora:25\"\n"
105                                       "HOME_URL=\"https://fedoraproject.org/\"\n"
106                                       "BUG_REPORT_URL=\"https://bugzilla.redhat.com/\"\n"
107                                       "REDHAT_BUGZILLA_PRODUCT=\"Fedora\"\n"
108                                       "REDHAT_BUGZILLA_PRODUCT_VERSION=25\n"
109                                       "REDHAT_SUPPORT_PRODUCT=\"Fedora\"\n"
110                                       "REDHAT_SUPPORT_PRODUCT_VERSION=25\n"
111                                       "PRIVACY_POLICY_URL=https://fedoraproject.org/wiki/Legal:PrivacyPolicy\n"));
112  Distro Fedora25{Fedora25FileSystem};
113  ASSERT_EQ(Distro(Distro::Fedora), Fedora25);
114  ASSERT_FALSE(Fedora25.IsUbuntu());
115  ASSERT_TRUE(Fedora25.IsRedhat());
116  ASSERT_FALSE(Fedora25.IsOpenSUSE());
117  ASSERT_FALSE(Fedora25.IsDebian());
118  ASSERT_FALSE(Fedora25.IsGentoo());
119
120  llvm::vfs::InMemoryFileSystem CentOS7FileSystem;
121  CentOS7FileSystem.addFile("/etc/system-release-cpe", 0,
122      llvm::MemoryBuffer::getMemBuffer("cpe:/o:centos:centos:7\n"));
123  // Both files are symlinks to centos-release.
124  CentOS7FileSystem.addFile("/etc/system-release", 0,
125      llvm::MemoryBuffer::getMemBuffer("CentOS Linux release 7.2.1511 (Core) \n"));
126  CentOS7FileSystem.addFile("/etc/redhat-release", 0,
127      llvm::MemoryBuffer::getMemBuffer("CentOS Linux release 7.2.1511 (Core) \n"));
128  CentOS7FileSystem.addFile("/etc/centos-release", 0,
129      llvm::MemoryBuffer::getMemBuffer("CentOS Linux release 7.2.1511 (Core) \n"));
130  CentOS7FileSystem.addFile("/etc/centos-release-upstream", 0,
131      llvm::MemoryBuffer::getMemBuffer("Derived from Red Hat Enterprise Linux 7.2 (Source)\n"));
132  CentOS7FileSystem.addFile("/etc/os-release", 0,
133      llvm::MemoryBuffer::getMemBuffer("NAME=\"CentOS Linux\"\n"
134                                       "VERSION=\"7 (Core)\"\n"
135                                       "ID=\"centos\"\n"
136                                       "ID_LIKE=\"rhel fedora\"\n"
137                                       "VERSION_ID=\"7\"\n"
138                                       "PRETTY_NAME=\"CentOS Linux 7 (Core)\"\n"
139                                       "ANSI_COLOR=\"0;31\"\n"
140                                       "CPE_NAME=\"cpe:/o:centos:centos:7\"\n"
141                                       "HOME_URL=\"https://www.centos.org/\"\n"
142                                       "BUG_REPORT_URL=\"https://bugs.centos.org/\"\n"
143                                       "\n"
144                                       "CENTOS_MANTISBT_PROJECT=\"CentOS-7\"\n"
145                                       "CENTOS_MANTISBT_PROJECT_VERSION=\"7\"\n"
146                                       "REDHAT_SUPPORT_PRODUCT=\"centos\"\n"
147                                       "REDHAT_SUPPORT_PRODUCT_VERSION=\"7\"\n"));
148
149  Distro CentOS7{CentOS7FileSystem};
150  ASSERT_EQ(Distro(Distro::RHEL7), CentOS7);
151  ASSERT_FALSE(CentOS7.IsUbuntu());
152  ASSERT_TRUE(CentOS7.IsRedhat());
153  ASSERT_FALSE(CentOS7.IsOpenSUSE());
154  ASSERT_FALSE(CentOS7.IsDebian());
155  ASSERT_FALSE(CentOS7.IsGentoo());
156}
157
158TEST(DistroTest, DetectOpenSUSE) {
159  llvm::vfs::InMemoryFileSystem OpenSUSELeap421FileSystem;
160  OpenSUSELeap421FileSystem.addFile("/etc/SuSE-release", 0,
161      llvm::MemoryBuffer::getMemBuffer("openSUSE 42.1 (x86_64)\n"
162                                       "VERSION = 42.1\n"
163                                       "CODENAME = Malachite\n"
164                                       "# /etc/SuSE-release is deprecated and will be removed in the future, use /etc/os-release instead\n"));
165  OpenSUSELeap421FileSystem.addFile("/etc/os-release", 0,
166      llvm::MemoryBuffer::getMemBuffer("NAME=\"openSUSE Leap\"\n"
167                                       "VERSION=\"42.1\"\n"
168                                       "VERSION_ID=\"42.1\"\n"
169                                       "PRETTY_NAME=\"openSUSE Leap 42.1 (x86_64)\"\n"
170                                       "ID=opensuse\n"
171                                       "ANSI_COLOR=\"0;32\"\n"
172                                       "CPE_NAME=\"cpe:/o:opensuse:opensuse:42.1\"\n"
173                                       "BUG_REPORT_URL=\"https://bugs.opensuse.org\"\n"
174                                       "HOME_URL=\"https://opensuse.org/\"\n"
175                                       "ID_LIKE=\"suse\"\n"));
176
177  Distro OpenSUSELeap421{OpenSUSELeap421FileSystem};
178  ASSERT_EQ(Distro(Distro::OpenSUSE), OpenSUSELeap421);
179  ASSERT_FALSE(OpenSUSELeap421.IsUbuntu());
180  ASSERT_FALSE(OpenSUSELeap421.IsRedhat());
181  ASSERT_TRUE(OpenSUSELeap421.IsOpenSUSE());
182  ASSERT_FALSE(OpenSUSELeap421.IsDebian());
183  ASSERT_FALSE(OpenSUSELeap421.IsGentoo());
184
185  llvm::vfs::InMemoryFileSystem OpenSUSE132FileSystem;
186  OpenSUSE132FileSystem.addFile("/etc/SuSE-release", 0,
187      llvm::MemoryBuffer::getMemBuffer("openSUSE 13.2 (x86_64)\n"
188                                       "VERSION = 13.2\n"
189                                       "CODENAME = Harlequin\n"
190                                       "# /etc/SuSE-release is deprecated and will be removed in the future, use /etc/os-release instead\n"));
191  OpenSUSE132FileSystem.addFile("/etc/os-release", 0,
192      llvm::MemoryBuffer::getMemBuffer("NAME=openSUSE\n"
193                                       "VERSION=\"13.2 (Harlequin)\"\n"
194                                       "VERSION_ID=\"13.2\"\n"
195                                       "PRETTY_NAME=\"openSUSE 13.2 (Harlequin) (x86_64)\"\n"
196                                       "ID=opensuse\n"
197                                       "ANSI_COLOR=\"0;32\"\n"
198                                       "CPE_NAME=\"cpe:/o:opensuse:opensuse:13.2\"\n"
199                                       "BUG_REPORT_URL=\"https://bugs.opensuse.org\"\n"
200                                       "HOME_URL=\"https://opensuse.org/\"\n"
201                                       "ID_LIKE=\"suse\"\n"));
202
203  Distro OpenSUSE132{OpenSUSE132FileSystem};
204  ASSERT_EQ(Distro(Distro::OpenSUSE), OpenSUSE132);
205  ASSERT_FALSE(OpenSUSE132.IsUbuntu());
206  ASSERT_FALSE(OpenSUSE132.IsRedhat());
207  ASSERT_TRUE(OpenSUSE132.IsOpenSUSE());
208  ASSERT_FALSE(OpenSUSE132.IsDebian());
209  ASSERT_FALSE(OpenSUSE132.IsGentoo());
210
211  llvm::vfs::InMemoryFileSystem SLES10FileSystem;
212  SLES10FileSystem.addFile("/etc/SuSE-release", 0,
213      llvm::MemoryBuffer::getMemBuffer("SUSE Linux Enterprise Server 10 (x86_64)\n"
214                                       "VERSION = 10\n"
215                                       "PATCHLEVEL = 4\n"));
216  SLES10FileSystem.addFile("/etc/lsb_release", 0,
217      llvm::MemoryBuffer::getMemBuffer("LSB_VERSION=\"core-2.0-noarch:core-3.0-noarch:core-2.0-x86_64:core-3.0-x86_64\"\n"));
218
219  // SLES10 is unsupported and therefore evaluates to unknown
220  Distro SLES10{SLES10FileSystem};
221  ASSERT_EQ(Distro(Distro::UnknownDistro), SLES10);
222  ASSERT_FALSE(SLES10.IsUbuntu());
223  ASSERT_FALSE(SLES10.IsRedhat());
224  ASSERT_FALSE(SLES10.IsOpenSUSE());
225  ASSERT_FALSE(SLES10.IsDebian());
226  ASSERT_FALSE(SLES10.IsGentoo());
227}
228
229TEST(DistroTest, DetectDebian) {
230  llvm::vfs::InMemoryFileSystem DebianJessieFileSystem;
231  DebianJessieFileSystem.addFile("/etc/debian_version", 0,
232                                 llvm::MemoryBuffer::getMemBuffer("8.6\n"));
233  DebianJessieFileSystem.addFile("/etc/os-release", 0,
234      llvm::MemoryBuffer::getMemBuffer("PRETTY_NAME=\"Debian GNU/Linux 8 (jessie)\"\n"
235                                       "NAME=\"Debian GNU/Linux\"\n"
236                                       "VERSION_ID=\"8\"\n"
237                                       "VERSION=\"8 (jessie)\"\n"
238                                       "ID=debian\n"
239                                       "HOME_URL=\"http://www.debian.org/\"\n"
240                                       "SUPPORT_URL=\"http://www.debian.org/support\"\n"
241                                       "BUG_REPORT_URL=\"https://bugs.debian.org/\"\n"));
242
243  Distro DebianJessie{DebianJessieFileSystem};
244  ASSERT_EQ(Distro(Distro::DebianJessie), DebianJessie);
245  ASSERT_FALSE(DebianJessie.IsUbuntu());
246  ASSERT_FALSE(DebianJessie.IsRedhat());
247  ASSERT_FALSE(DebianJessie.IsOpenSUSE());
248  ASSERT_TRUE(DebianJessie.IsDebian());
249  ASSERT_FALSE(DebianJessie.IsGentoo());
250
251  llvm::vfs::InMemoryFileSystem DebianStretchSidFileSystem;
252  DebianStretchSidFileSystem.addFile("/etc/debian_version", 0,
253                                 llvm::MemoryBuffer::getMemBuffer("stretch/sid\n"));
254  DebianStretchSidFileSystem.addFile("/etc/os-release", 0,
255      llvm::MemoryBuffer::getMemBuffer("PRETTY_NAME=\"Debian GNU/Linux stretch/sid\"\n"
256                                       "NAME=\"Debian GNU/Linux\"\n"
257                                       "ID=debian\n"
258                                       "HOME_URL=\"http://www.debian.org/\"\n"
259                                       "SUPPORT_URL=\"http://www.debian.org/support\"\n"
260                                       "BUG_REPORT_URL=\"https://bugs.debian.org/\"\n"));
261
262  Distro DebianStretchSid{DebianStretchSidFileSystem};
263  ASSERT_EQ(Distro(Distro::DebianStretch), DebianStretchSid);
264  ASSERT_FALSE(DebianStretchSid.IsUbuntu());
265  ASSERT_FALSE(DebianStretchSid.IsRedhat());
266  ASSERT_FALSE(DebianStretchSid.IsOpenSUSE());
267  ASSERT_TRUE(DebianStretchSid.IsDebian());
268  ASSERT_FALSE(DebianStretchSid.IsGentoo());
269}
270
271TEST(DistroTest, DetectExherbo) {
272  llvm::vfs::InMemoryFileSystem ExherboFileSystem;
273  ExherboFileSystem.addFile("/etc/exherbo-release", 0, // (ASCII art)
274                                 llvm::MemoryBuffer::getMemBuffer(""));
275  ExherboFileSystem.addFile("/etc/os-release", 0,
276      llvm::MemoryBuffer::getMemBuffer("NAME=\"Exherbo\"\n"
277                                       "PRETTY_NAME=\"Exherbo Linux\"\n"
278                                       "ID=\"exherbo\"\n"
279                                       "ANSI_COLOR=\"0;32\"\n"
280                                       "HOME_URL=\"https://www.exherbo.org/\"\n"
281                                       "SUPPORT_URL=\"irc://irc.freenode.net/#exherbo\"\n"
282                                       "BUG_REPORT_URL=\"https://bugs.exherbo.org/\"\n"));
283
284  Distro Exherbo{ExherboFileSystem};
285  ASSERT_EQ(Distro(Distro::Exherbo), Exherbo);
286  ASSERT_FALSE(Exherbo.IsUbuntu());
287  ASSERT_FALSE(Exherbo.IsRedhat());
288  ASSERT_FALSE(Exherbo.IsOpenSUSE());
289  ASSERT_FALSE(Exherbo.IsDebian());
290  ASSERT_FALSE(Exherbo.IsGentoo());
291}
292
293TEST(DistroTest, DetectArchLinux) {
294  llvm::vfs::InMemoryFileSystem ArchLinuxFileSystem;
295  ArchLinuxFileSystem.addFile("/etc/arch-release", 0, // (empty)
296                                 llvm::MemoryBuffer::getMemBuffer(""));
297  ArchLinuxFileSystem.addFile("/etc/os-release", 0,
298      llvm::MemoryBuffer::getMemBuffer("NAME=\"Arch Linux\"\n"
299                                       "ID=arch\n"
300                                       "PRETTY_NAME=\"Arch Linux\"\n"
301                                       "ANSI_COLOR=\"0;36\"\n"
302                                       "HOME_URL=\"https://www.archlinux.org/\"\n"
303                                       "SUPPORT_URL=\"https://bbs.archlinux.org/\"\n"
304                                       "BUG_REPORT_URL=\"https://bugs.archlinux.org/\"\n"));
305
306  Distro ArchLinux{ArchLinuxFileSystem};
307  ASSERT_EQ(Distro(Distro::ArchLinux), ArchLinux);
308  ASSERT_FALSE(ArchLinux.IsUbuntu());
309  ASSERT_FALSE(ArchLinux.IsRedhat());
310  ASSERT_FALSE(ArchLinux.IsOpenSUSE());
311  ASSERT_FALSE(ArchLinux.IsDebian());
312  ASSERT_FALSE(ArchLinux.IsGentoo());
313}
314
315TEST(DistroTest, DetectGentoo) {
316  llvm::vfs::InMemoryFileSystem GentooFileSystem;
317  GentooFileSystem.addFile(
318      "/etc/gentoo-release", 0,
319      llvm::MemoryBuffer::getMemBuffer("Gentoo Base System release 2.6"));
320  GentooFileSystem.addFile(
321      "/etc/os-release", 0,
322      llvm::MemoryBuffer::getMemBuffer(
323          "NAME=Gentoo\n"
324          "ID=gentoo\n"
325          "PRETTY_NAME=\"Gentoo/Linux\"\n"
326          "ANSI_COLOR=\"1;32\"\n"
327          "HOME_URL=\"https://www.gentoo.org/\"\n"
328          "SUPPORT_URL=\"https://www.gentoo.org/support/\"\n"
329          "BUG_REPORT_URL=\"https://bugs.gentoo.org/\"\n"));
330
331  Distro Gentoo{GentooFileSystem};
332  ASSERT_EQ(Distro(Distro::Gentoo), Gentoo);
333  ASSERT_FALSE(Gentoo.IsUbuntu());
334  ASSERT_FALSE(Gentoo.IsRedhat());
335  ASSERT_FALSE(Gentoo.IsOpenSUSE());
336  ASSERT_FALSE(Gentoo.IsDebian());
337  ASSERT_TRUE(Gentoo.IsGentoo());
338}
339
340} // end anonymous namespace
341
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