From 205dedae4f5c431f00c4ff6266c1c7871b039373 Mon Sep 17 00:00:00 2001
From: Bastien Nocera <hadess@hadess.net>
Date: Thu, 23 Jan 2020 15:52:10 +0100
Subject: [PATCH] tests: Add dbus-monitor'ing to PAM tests

Should prove useful debugging the PAM module if we need it.
---
 tests/pam/Makefile.am         |  2 +-
 tests/pam/test_pam_fprintd.py | 26 ++++++++++++++++++++++++++
 2 files changed, 27 insertions(+), 1 deletion(-)

diff --git a/tests/pam/Makefile.am b/tests/pam/Makefile.am
index 818192e..77b53de 100644
--- a/tests/pam/Makefile.am
+++ b/tests/pam/Makefile.am
@@ -1,6 +1,6 @@
 SUBDIRS = services
 
-TESTS_ENVIRONMENT = export TOPSRCDIR=$(abs_top_srcdir); export LD_PRELOAD=libpam_wrapper.so; export PAM_WRAPPER_SERVICE_DIR=$(abs_top_builddir)/tests/pam/services; export PAM_WRAPPER=1; export PYTHON=@PYTHON@;
+TESTS_ENVIRONMENT = export TOPBUILDDIR=$(abs_top_builddir); export TOPSRCDIR=$(abs_top_srcdir); export LD_PRELOAD=libpam_wrapper.so; export PAM_WRAPPER_SERVICE_DIR=$(abs_top_builddir)/tests/pam/services; export PAM_WRAPPER=1; export PYTHON=@PYTHON@;
 TESTS = test_pam_fprintd.py
 
 EXTRA_DIST = $(TESTS)
diff --git a/tests/pam/test_pam_fprintd.py b/tests/pam/test_pam_fprintd.py
index 784b22c..d9c4125 100755
--- a/tests/pam/test_pam_fprintd.py
+++ b/tests/pam/test_pam_fprintd.py
@@ -33,9 +33,31 @@ PAM_USER_UNKNOWN = 10
 class TestPamFprintd(dbusmock.DBusTestCase):
     '''Test pam_fprintd'''
 
+    @classmethod
+    def start_monitor(klass):
+        '''Start dbus-monitor'''
+
+        workdir = os.environ['TOPBUILDDIR'] + '/tests/pam/'
+        klass.monitor_log = open(os.path.join(workdir, 'dbus-monitor.log'), 'wb', buffering=0)
+        klass.monitor = subprocess.Popen(['dbus-monitor', '--monitor', '--system'],
+                                         stdout=klass.monitor_log,
+                                         stderr=subprocess.STDOUT)
+
+    @classmethod
+    def stop_monitor(klass):
+        '''Stop dbus-monitor'''
+
+        assert klass.monitor
+        klass.monitor.terminate()
+        klass.monitor.wait()
+
+        klass.monitor_log.flush()
+        klass.monitor_log.close()
+
     @classmethod
     def setUpClass(klass):
         klass.start_system_bus()
+        klass.start_monitor()
         klass.dbus_con = klass.get_dbus(True)
 
         template_path = './'
@@ -44,6 +66,10 @@ class TestPamFprintd(dbusmock.DBusTestCase):
         klass.template_name = template_path + 'dbusmock/fprintd.py'
         print ('Using template from %s' % klass.template_name)
 
+    @classmethod
+    def tearDownClass(klass):
+        klass.stop_monitor()
+
     def setUp(self):
         (self.p_mock, self.obj_fprintd_manager) = self.spawn_server_template(
             self.template_name, {}, stdout=subprocess.PIPE)