A number of improvements to decorator conditionals.

* Change the `not_in` function to be called `no_match`.  This makes
  it clear that keyword arguments can be more than just lists.
* Change the name of `_check_list_or_lambda` to
  `_match_decorator_property`.  Again clarifying that decorator params
  are not always lists.
* Always use a regex match when matching strings.  This allows automatic
  support for regex matching on all decorator properties.  Also support
  compiled regex values.
* Fix a bug in the compiler check used by _decorateTest.  The two
  arguments were reversed, the condition was always wrong.
* Change one test that uses skipUnlessArch to use skipIf, to
  demonstrate that skipIf can now handle more scenarios.

Differential Revision: http://reviews.llvm.org/D16938

llvm-svn: 260135

lldb/packages/Python/lldbsuite/test/decorators.py

@@ -25,6 +25,13 @@ from lldbsuite.test import lldbplatformutil
 class DecorateMode:
     Skip, Xfail = range(2)
 
+    
+# You can use no_match to reverse the test of the conditional that is used to match keyword
+# arguments in the skip / xfail decorators.  If oslist=["windows", "linux"] skips windows
+# and linux, oslist=no_match(["windows", "linux"]) skips *unless* windows or linux.
+class no_match:
+    def __init__(self, item):
+        self.item = item
 
 def _check_expected_version(comparison, expected, actual):
     def fn_leq(x,y): return x <= y
@@ -49,18 +56,18 @@ def _check_expected_version(comparison, expected, actual):
 
     return op_lookup[comparison](LooseVersion(actual_str), LooseVersion(expected_str))
 
-def _check_list_or_lambda(list_or_lambda, value):
-    if six.callable(list_or_lambda):
-        return list_or_lambda(value)
-    elif isinstance(list_or_lambda, list):
-        for item in list_or_lambda:
-            if value in item:
-                return True
-        return False
-    elif isinstance(list_or_lambda, str):
-        return value is None or value in list_or_lambda
+def _match_decorator_property(expected, actual):
+    if actual is None or expected is None:
+        return True
+
+    if isinstance(expected, no_match):
+        return not _match_decorator_property(expected.item, actual)
+    elif isinstance(expected, (str, re._pattern_type)):
+        return re.search(expected, actual) is not None
+    elif hasattr(expected, "__iter__"):
+        return any([x is not None and _match_decorator_property(x, actual) for x in expected])
     else:
-        return list_or_lambda is None or value is None or list_or_lambda == value
+        return expected == actual
 
 def expectedFailure(expected_fn, bugnumber=None):
     def expectedFailure_impl(func):
@@ -131,15 +138,16 @@ def _decorateTest(mode,
                  swig_version=None, py_version=None,
                  remote=None):
     def fn(self):
-        skip_for_os = _check_list_or_lambda(oslist, self.getPlatform())
-        skip_for_hostos = _check_list_or_lambda(hostoslist, lldbplatformutil.getHostPlatform())
-        skip_for_compiler = _check_list_or_lambda(self.getCompiler(), compiler) and self.expectedCompilerVersion(compiler_version)
-        skip_for_arch = _check_list_or_lambda(archs, self.getArchitecture())
-        skip_for_debug_info = _check_list_or_lambda(debug_info, self.debug_info)
-        skip_for_triple = triple is None or re.match(triple, lldb.DBG.GetSelectedPlatform().GetTriple())
+        skip_for_os = _match_decorator_property(oslist, self.getPlatform())
+        skip_for_hostos = _match_decorator_property(hostoslist, lldbplatformutil.getHostPlatform())
+        skip_for_compiler = _match_decorator_property(compiler, self.getCompiler()) and self.expectedCompilerVersion(compiler_version)
+        skip_for_arch = _match_decorator_property(archs, self.getArchitecture())
+        skip_for_debug_info = _match_decorator_property(debug_info, self.debug_info)
+        skip_for_triple = _match_decorator_property(triple, lldb.DBG.GetSelectedPlatform().GetTriple())
+        skip_for_remote = _match_decorator_property(remote, lldb.remote_platform is not None)
+
         skip_for_swig_version = (swig_version is None) or (not hasattr(lldb, 'swig_version')) or (_check_expected_version(swig_version[0], swig_version[1], lldb.swig_version))
         skip_for_py_version = (py_version is None) or _check_expected_version(py_version[0], py_version[1], sys.version_info)
-        skip_for_remote = (remote is None) or (remote == (lldb.remote_platform is not None))
 
         # For the test to be skipped, all specified (e.g. not None) parameters must be True.
         # An unspecified parameter means "any", so those are marked skip by default.  And we skip
@@ -283,12 +291,6 @@ def not_remote_testsuite_ready(func):
         return "Not ready for remote testsuite" if lldb.remote_platform else None
     return skipTestIfFn(is_remote)(func)
 
-# You can also pass not_in(list) to reverse the sense of the test for the arguments that
-# are simple lists, namely oslist, compiler, and debug_info.
-
-def not_in(iterable):
-    return lambda x : x not in iterable
-
 def _match_architectures(archs, actual_arch):
     retype = type(re.compile('hello, world'))
     list_passes = isinstance(archs, list) and actual_arch in archs
@@ -555,7 +557,7 @@ def skipIfHostPlatform(oslist):
 
 def skipUnlessHostPlatform(oslist):
     """Decorate the item to skip tests unless running on one of the listed host platforms."""
-    return skipIf(hostoslist=not_in(oslist))
+    return skipIf(hostoslist=no_match(oslist))
 
 def skipUnlessArch(archs):
     """Decorate the item to skip tests unless running on one of the listed architectures."""

lldb/packages/Python/lldbsuite/test/functionalities/breakpoint/breakpoint_in_delayslot/TestAvoidBreakpointInDelaySlot.py

@@ -16,7 +16,7 @@ class AvoidBreakpointInDelaySlotAPITestCase(TestBase):
 
     mydir = TestBase.compute_mydir(__file__)
 
-    @skipUnlessArch(archs=re.compile('mips*'))
+    @skipIf(archs=no_match(re.compile('mips*')))
     def test(self):
         self.build()
         exe = os.path.join(os.getcwd(), "a.out")

lldb/packages/Python/lldbsuite/test/functionalities/breakpoint/debugbreak/TestDebugBreak.py

@@ -14,7 +14,7 @@ class DebugBreakTestCase(TestBase):
 
     mydir = TestBase.compute_mydir(__file__)
 
-    @skipIf(archs=not_in(["i386", "i686"]))
+    @skipIf(archs=no_match(["i386", "i686"]))
     @no_debug_info_test
     def test_asm_int_3(self):
         """Test that intrinsics like `__debugbreak();` and `asm {"int3"}` are treated like breakpoints."""

lldb/packages/Python/lldbsuite/test/lang/cpp/limit-debug-info/TestWithLimitDebugInfo.py

@@ -7,7 +7,7 @@ class TestWithLimitDebugInfo(TestBase):
 
     mydir = TestBase.compute_mydir(__file__)
 
-    @skipIf(debug_info=not_in(["dwarf"]))
+    @skipIf(debug_info=no_match(["dwarf"]))
     def test_limit_debug_info(self):
         self.build()