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[lldb][test] skip Lua tests when the Lua interpreter is not found #164793
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| @llvm/pr-subscribers-lldb Author: Vincent Palatin (vpalatin) ChangesWhen Swig is installed but not any Lua interpreter, the cmake script in  Ensure that in this case we are skipping the Lua tests requiring the interpreter. Full diff: https://github.com/llvm/llvm-project/pull/164793.diff 1 Files Affected: 
 diff --git a/lldb/test/API/lua_api/TestLuaAPI.py b/lldb/test/API/lua_api/TestLuaAPI.py
index 4ac795d696425..41d7873575a3d 100644
--- a/lldb/test/API/lua_api/TestLuaAPI.py
+++ b/lldb/test/API/lua_api/TestLuaAPI.py
@@ -158,7 +158,11 @@ def get_tests(self):
         return tests
 
     def test_lua_api(self):
-        if "LUA_EXECUTABLE" not in os.environ or len(os.environ["LUA_EXECUTABLE"]) == 0:
+        if (
+            "LUA_EXECUTABLE" not in os.environ
+            or len(os.environ["LUA_EXECUTABLE"]) == 0
+            or "NOTFOUND" in os.environ["LUA_EXECUTABLE"]
+        ):
             self.skipTest("Lua API tests could not find Lua executable.")
             return
         lua_executable = os.environ["LUA_EXECUTABLE"]
 | 
        
          
                lldb/test/API/lua_api/TestLuaAPI.py
              
                Outdated
          
        
      | if ( | ||
| "LUA_EXECUTABLE" not in os.environ | ||
| or len(os.environ["LUA_EXECUTABLE"]) == 0 | ||
| or "NOTFOUND" in os.environ["LUA_EXECUTABLE"] | ||
| ): | 
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How about we check if os.path.exists(os.environ["LUA_EXECUTABLE"]) to cover both cases?
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yes, it's a nicest and more generic way, I will update the patch.
By the way,  while verifying the patch for the maybe-exotic corner case, I noticed that LUAANDSWIG_FOUND is incorrectly defined (to 1) too as the find_package_handle_standard_args(LuaAndSwig call in lldb/cmake/modules/FindLuaAndSwig.cmake is not checking the LUA_EXECUTABLE variable (which is LUA_EXECUTABLE-NOTFOUND in this case. I think it is worth adding too.
When Swig is installed but not any Lua interpreter, the cmake script in `lldb/cmake/modules/FindLuaAndSwig.cmake` will execute `find_program(LUA_EXECUTABLE, ...)` and this will set the `LUA_EXECUTABLE` variable to `LUA_EXECUTABLE-NOTFOUND`. Ensure that in this case we are skipping the Lua tests requiring the interpreter and the `LUAANDSWIG_FOUND` is not set.
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Thanks, LGTM
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…vm#164793) When SWIG is installed but not any Lua interpreter, the cmake script in `lldb/cmake/modules/FindLuaAndSwig.cmake` will execute `find_program(LUA_EXECUTABLE, ...)` and this will set the `LUA_EXECUTABLE` variable to `LUA_EXECUTABLE-NOTFOUND`. Ensure that in this case we are skipping the Lua tests requiring the interpreter.
…vm#164793) When SWIG is installed but not any Lua interpreter, the cmake script in `lldb/cmake/modules/FindLuaAndSwig.cmake` will execute `find_program(LUA_EXECUTABLE, ...)` and this will set the `LUA_EXECUTABLE` variable to `LUA_EXECUTABLE-NOTFOUND`. Ensure that in this case we are skipping the Lua tests requiring the interpreter.
…vm#164793) When SWIG is installed but not any Lua interpreter, the cmake script in `lldb/cmake/modules/FindLuaAndSwig.cmake` will execute `find_program(LUA_EXECUTABLE, ...)` and this will set the `LUA_EXECUTABLE` variable to `LUA_EXECUTABLE-NOTFOUND`. Ensure that in this case we are skipping the Lua tests requiring the interpreter.
…vm#164793) When SWIG is installed but not any Lua interpreter, the cmake script in `lldb/cmake/modules/FindLuaAndSwig.cmake` will execute `find_program(LUA_EXECUTABLE, ...)` and this will set the `LUA_EXECUTABLE` variable to `LUA_EXECUTABLE-NOTFOUND`. Ensure that in this case we are skipping the Lua tests requiring the interpreter.
When Swig is installed but not any Lua interpreter, the cmake script in
lldb/cmake/modules/FindLuaAndSwig.cmakewill executefind_program(LUA_EXECUTABLE, ...)and this will set theLUA_EXECUTABLEvariable toLUA_EXECUTABLE-NOTFOUND.Ensure that in this case we are skipping the Lua tests requiring the interpreter.