[libvirt PATCH 312/351] meson: tests: add file access test setup

[Pavel Hrdina]

We need to modify check-file-access.py to be usable as wrapper for
libvirt tests. This way we can run the tests using this command:

    meson test --setup access

which will run all tests using check-file-access.py as a wrapper.

With autotools all file access are written into single file for all
tests and compared once the whole test suite is done.

With Meson we will compare the file access after every single test
because it is used as wrapper now. That requires writing the file
access into separate files for every single test as they are executed
in parallel.

Since the wrapper is used for all tests in Meson including tests outside
of tests directory we have to check for presence of the output file.
We should also cleanup after ourselves.

Signed-off-by: Pavel Hrdina <phrdina at redhat.com>
---
 Makefile.am                  |  3 ---
 scripts/check-file-access.py | 24 +++++++++++++++++++-----
 tests/Makefile.am            | 12 ------------
 tests/meson.build            |  8 ++++++++
 tests/virtestmock.c          |  2 +-
 5 files changed, 28 insertions(+), 21 deletions(-)

diff --git a/Makefile.am b/Makefile.am
index 363c5cf66fd..d05a0c1a85a 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -37,9 +37,6 @@ srpm: clean
 
 check-local: all tests
 
-check-access: all
-	@($(MAKE) $(AM_MAKEFLAGS) -C tests check-access)
-
 dist-hook: gen-AUTHORS
 
 .PHONY: gen-AUTHORS
diff --git a/scripts/check-file-access.py b/scripts/check-file-access.py
index aa120cafacf..f0e98f4b652 100755
--- a/scripts/check-file-access.py
+++ b/scripts/check-file-access.py
@@ -21,15 +21,27 @@
 #
 #
 
+import os
+import random
 import re
+import string
 import sys
 
-if len(sys.argv) != 3:
-    print("syntax: %s ACCESS-FILE PERMITTED-ACCESS-FILE")
-    sys.exit(1)
+abs_builddir = os.environ.get('abs_builddir', '')
+abs_srcdir = os.environ.get('abs_srcdir', '')
 
-access_file = sys.argv[1]
-permitted_file = sys.argv[2]
+filename = ''.join(random.choice(string.ascii_letters) for _ in range(16))
+access_file = os.path.join(abs_builddir, 'file-access-{0}.txt'.format(filename))
+permitted_file = os.path.join(abs_srcdir, 'permitted_file_access.txt')
+
+os.environ['VIR_TEST_FILE_ACCESS_OUTPUT'] = access_file
+
+test = ' '.join(sys.argv[1:])
+
+ret = os.system(test)
+
+if ret != 0 or not os.is_file(access_file):
+    sys.exit(ret)
 
 known_actions = ["open", "fopen", "access", "stat", "lstat", "connect"]
 
@@ -120,6 +132,8 @@ for file in files:
             print(": %s" % file["testname"], end="")
         print("")
 
+os.remove(access_file)
+
 if err:
     sys.exit(1)
 sys.exit(0)
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 641ed7b390b..04c37ccda2e 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -16,18 +16,6 @@
 ## License along with this library.  If not, see
 ## <http://www.gnu.org/licenses/>.
 
-if WITH_LINUX
-check-access: file-access-clean
-	VIR_TEST_FILE_ACCESS=1 $(MAKE) $(AM_MAKEFLAGS) check
-	$(RUNUTF8) $(PYTHON) $(top_srcdir)/scripts/check-file-access.py \
-		$(abs_builddir)/test_file_access.txt \
-		$(abs_srcdir)/permitted_file_access.txt | sort -u
-
-file-access-clean:
-	> test_file_access.txt
-endif WITH_LINUX
-
-
 VALGRIND = valgrind --quiet --leak-check=full --trace-children=yes \
 	--trace-children-skip="*/tools/virsh","*/tests/commandhelper","/usr/bin/*" \
 	--suppressions=$(abs_srcdir)/.valgrind.supp
diff --git a/tests/meson.build b/tests/meson.build
index d6e0d2805d7..cf848678505 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -665,3 +665,11 @@ foreach name : test_scripts
   script = find_program(name)
   test(name, script, env: tests_env)
 endforeach
+
+add_test_setup(
+  'access',
+  env: [
+    'VIR_TEST_FILE_ACCESS=1',
+  ],
+  exe_wrapper: [ meson_python_prog, check_file_access_prog ],
+)
diff --git a/tests/virtestmock.c b/tests/virtestmock.c
index e5dccae2a87..776493f0c5d 100644
--- a/tests/virtestmock.c
+++ b/tests/virtestmock.c
@@ -69,7 +69,7 @@ printFile(const char *file,
             output = VIR_FILE_ACCESS_DEFAULT;
     }
 
-    if (!(fp = real_fopen(output, "a"))) {
+    if (!(fp = real_fopen(output, "w"))) {
         fprintf(stderr, "Unable to open %s: %s\n", output, g_strerror(errno));
         abort();
     }
-- 
2.26.2