[gnome-bluetooth/wip/hadess/add-tests] tests: Add integration tests

[Bastien Nocera <hadess src gnome org>]

commit 66958765fb4800ab03c9077ecee16b3d3c2a05bf
Author: Bastien Nocera <hadess hadess net>
Date:   Fri Feb 12 17:47:57 2021 +0100

    tests: Add integration tests
    
    Add a simple test using python-dbusmock to test out some of our code.

 .gitlab-ci.yml         |   3 ++
 meson.build            |   1 +
 tests/integration-test | 118 +++++++++++++++++++++++++++++++++++++++++++++++++
 tests/meson.build      |  13 ++++++
 4 files changed, 135 insertions(+)
---
diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index ba79ce44..928ac01c 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -14,6 +14,8 @@ variables:
     gcc
     glibc-devel
     git
+  TEST_DEPS:
+    python3-dbusmock
   GIT_SUBMODULE_STRATEGY: recursive
   DEPENDENCIES_ABI_CHECK:
     libabigail
@@ -27,6 +29,7 @@ build_stable:
     - meson . _build --prefix=/usr
     - ninja -C _build
     - ninja -C _build install
+    - dnf install -y --nogpgcheck $TEST_DEPS
     - ninja -C _build test
     - ninja -C _build dist
     - dnf install -y $DEPENDENCIES_ABI_CHECK
diff --git a/meson.build b/meson.build
index 4e712ef1..6a64f5f2 100644
--- a/meson.build
+++ b/meson.build
@@ -114,6 +114,7 @@ if enable_gtk_doc
 endif
 
 subdir('po')
+subdir('tests')
 
 configure_file(
   output: 'config.h',
diff --git a/tests/integration-test b/tests/integration-test
new file mode 100755
index 00000000..db53b648
--- /dev/null
+++ b/tests/integration-test
@@ -0,0 +1,118 @@
+#!/usr/bin/python3
+
+# gnome-bluetooth integration test suite
+#
+# Copyright: (C) 2021 Bastien Nocera <hadess hadess net>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+import os
+import sys
+import dbus
+import tempfile
+import subprocess
+import psutil
+import unittest
+import time
+
+try:
+    import gi
+    from gi.repository import GLib
+    from gi.repository import Gio
+except ImportError as e:
+    sys.stderr.write('Skipping tests, PyGobject not available for Python 3, or missing GI typelibs: %s\n' % 
str(e))
+    sys.exit(0)
+
+try:
+    gi.require_version('GIRepository', '2.0')
+    from gi.repository import GIRepository
+    builddir = os.getenv('top_builddir', '.')
+    GIRepository.Repository.prepend_library_path(builddir + '/lib/')
+
+    gi.require_version('GnomeBluetooth', '1.0')
+    from gi.repository import GnomeBluetooth
+except ImportError as e:
+    sys.stderr.write('Could not find GnomeBluetooth gobject-introspection data: %s\n' % str(e))
+    sys.exit(1)
+
+try:
+    gi.require_version('UMockdev', '1.0')
+    from gi.repository import UMockdev
+except ImportError:
+    sys.stderr.write('Skipping tests, umockdev not available (https://github.com/martinpitt/umockdev)\n')
+    sys.exit(0)
+
+try:
+    import dbusmock
+except ImportError:
+    sys.stderr.write('Skipping tests, python-dbusmock not available 
(http://pypi.python.org/pypi/python-dbusmock).\n')
+    sys.exit(0)
+
+# Out-of-process tests
+class OopTests(dbusmock.DBusTestCase):
+    @classmethod
+    def setUp(self):
+        self.client = GnomeBluetooth.Client.new()
+
+    def print_tree(self, model):
+        def print_row(model, treepath, treeiter):
+            print("\t" * (treepath.get_depth() - 1), model[treeiter][:], sep="")
+        model.foreach(print_row)
+
+    def wait_for_mainloop(self):
+        ml = GLib.MainLoop()
+        GLib.timeout_add_seconds(1, ml.quit)
+        ml.run()
+
+    def test_no_adapters(self):
+        adapters = self.client.get_adapter_model()
+        self.wait_for_mainloop()
+        self.assertEqual(len(adapters), 0)
+
+    def test_one_adapter(self):
+        adapters = self.client.get_adapter_model()
+        self.wait_for_mainloop()
+        self.assertEqual(len(adapters), 1)
+
+class Tests(dbusmock.DBusTestCase):
+
+    @classmethod
+    def setUpClass(cls):
+        os.environ['G_MESSAGES_DEBUG'] = 'all'
+        cls.start_system_bus()
+        cls.dbus_con = cls.get_dbus(True)
+        (cls.p_mock, cls.obj_bluez) = cls.spawn_server_template(
+            'bluez5', {}, stdout=subprocess.PIPE)
+
+    @classmethod
+    def tearDownClass(cls):
+        cls.p_mock.stdout.close()
+        cls.p_mock.terminate()
+        cls.p_mock.wait()
+
+    def setUp(self):
+        self.obj_bluez.Reset()
+        self.dbusmock = dbus.Interface(self.obj_bluez, dbusmock.MOCK_IFACE)
+        self.dbusmock_bluez = dbus.Interface(self.obj_bluez, 'org.bluez.Mock')
+
+    def run_test_process(self, test_name):
+        out = subprocess.run([sys.argv[0], test_name], capture_output=True)
+        self.assertEqual(out.returncode, 0, "Running test " + test_name + " failed:" + str(out.stderr))
+
+    def test_no_adapters(self):
+        self.run_test_process('OopTests.test_no_adapters')
+
+    def test_one_adapter(self):
+        self.dbusmock_bluez.AddAdapter('hci0', 'my-computer')
+        self.run_test_process('OopTests.test_one_adapter')
+
+if __name__ == '__main__':
+    unittest.main()
diff --git a/tests/meson.build b/tests/meson.build
new file mode 100644
index 00000000..28c3125a
--- /dev/null
+++ b/tests/meson.build
@@ -0,0 +1,13 @@
+integration_test = find_program('integration-test')
+
+envs = environment()
+envs.set ('top_builddir', meson.build_root())
+envs.set ('top_srcdir', meson.source_root())
+
+if enable_gir
+  test('gnome-bluetooth-integration-test',
+    integration_test,
+    args: [ 'Tests' ],
+    env: envs
+    )
+endif