Add support for test-os --cases option

Signed-off-by: Jan Lindemann <jan@janware.com>

src/python/devtest/os/CmdTestOs.py

@@ -82,7 +82,8 @@ class CmdTestOs(MachineCmd): # export
         machine = None
         try:
             machine = await Machine.create(env)
-            test_cases = TestCases(env.args.test_case_path, dummies=env.args.dummy_tests)
+            case_filter = None if not env.args.cases else env.args.cases.split(',')
+            test_cases = TestCases(env.args.test_case_path, include=case_filter, dummies=env.args.dummy_tests)
             for phase in TestPhases.Phase:
                 if not machine.clear_for_tests():
                     raise Exception("machine is not clear for running tests")
@@ -123,5 +124,6 @@ class CmdTestOs(MachineCmd): # export
 
     def add_parser(self, parsers):
         p = super().add_parser(parsers)
+        p.add_argument(      "--cases", help="List of dedicated test cases to run, wildcards are supported", default='')
         self.__results.add_arguments(p)
         return p

src/python/devtest/os/TestCases.py

@@ -4,6 +4,7 @@ from abc import abstractmethod, ABC
 import sys
 import re
 import inspect
+import fnmatch
 from jwutils.log import *
 from jwutils.misc import *
 from .TestCase import TestCase
@@ -12,12 +13,21 @@ from .tcf import *
 
 class TestCases: # export
 
-    def __init__(self, path, dummies=False):
+    def __match(self, case):
+        if self.__include is None:
+            return True
+        for pattern in self.__include:
+            if fnmatch.fnmatch(case.name, pattern):
+                return True
+        return False
+
+    def __init__(self, path, include=None, dummies=False):
 
         self.__path = path.split(':')
         self.__dummies = dummies
         self.__idx = 0
         self.__cases = []
+        self.__include = [include] if isinstance(include, str) else include
         factories = set()
         # use list() to avoid expansion of sys.modules during iteration
         for name, mod in list(sys.modules.items()):
@@ -35,6 +45,8 @@ class TestCases: # export
             for c in cases:
                 if c.is_dummy and not self.__dummies:
                     continue
+                if not self.__match(c):
+                    continue
                 c.factory = factory
                 self.__cases.append(c)