mavsdk_tests: restart SITL after each test case

test/mavsdk_tests/mavsdk_test_runner.py

@@ -130,15 +130,27 @@ class GazeboRunner(Runner):
 
 
 class TestRunner(Runner):
-    def __init__(self, workspace_dir, log_dir, config):
+    def __init__(self, workspace_dir, log_dir, config, test):
         super().__init__(log_dir)
         self.env = {"PATH": os.environ['PATH']}
         self.cmd = workspace_dir + \
             "/build/px4_sitl_default/mavsdk_tests"
-        self.args = [config['test_filter']]
+        self.args = [test]
         self.log_prefix = "test_runner"
 
 
+def determine_tests(workspace_dir, filter):
+    cmd = workspace_dir + "/build/px4_sitl_default/mavsdk_tests"
+    args = ["--list-test-names-only", filter]
+    p = subprocess.Popen(
+        [cmd] + args,
+        stdin=subprocess.PIPE,
+        stdout=subprocess.PIPE,
+        stderr=subprocess.STDOUT)
+    tests = str(p.stdout.read().decode("utf-8")).strip().split('\n')
+    return tests
+
+
 def is_running(process_name):
     for proc in psutil.process_iter(attrs=['name']):
         if proc.info['name'] == process_name:
@@ -186,6 +198,12 @@ def main():
         print("Running test group for '{}' with filter '{}'"
               .format(group['model'], group['test_filter']))
 
+        tests = determine_tests(os.getcwd(), group['test_filter'])
+
+        for test in tests:
+
+            print("Running test '{}'".format(test))
+
             px4_runner = Px4Runner(
                 os.getcwd(), args.log_dir, args.speed_factor)
             px4_runner.start(group)
@@ -194,12 +212,13 @@ def main():
                 os.getcwd(), args.log_dir, args.speed_factor)
             gazebo_runner.start(group)
 
-        test_runner = TestRunner(os.getcwd(), args.log_dir, group)
+            test_runner = TestRunner(os.getcwd(), args.log_dir, group, test)
             test_runner.start(group)
 
             returncode = test_runner.wait(group['timeout_min'])
             was_success = (returncode == 0)
-        print("Test group: {}".format("Success" if was_success else "Fail"))
+            print("Test '{}': {}".
+                  format(test, "Success" if was_success else "Fail"))
             if not was_success:
                 overall_success = False