[Lldb-commits] [lldb] [lldb-dap][NFC] Modernize events handling in tests (PR #181542)

[Sergei Druzhkov via lldb-commits]

https://github.com/DrSergei created https://github.com/llvm/llvm-project/pull/181542

Migrated `initialized` and `memory` events to new style handling.

>From ccde76a857dff0d27278825e4197f0d1db5240bc Mon Sep 17 00:00:00 2001
From: Sergei Druzhkov <serzhdruzhok at gmail.com>
Date: Sat, 14 Feb 2026 16:07:51 +0300
Subject: [PATCH] [lldb-dap][NFC] Modernize events handling in tests

---
 .../test/tools/lldb-dap/dap_server.py         | 19 +++++++++------
 .../test/tools/lldb-dap/lldbdap_testcase.py   | 24 +++++--------------
 2 files changed, 18 insertions(+), 25 deletions(-)

diff --git a/lldb/packages/Python/lldbsuite/test/tools/lldb-dap/dap_server.py b/lldb/packages/Python/lldbsuite/test/tools/lldb-dap/dap_server.py
index fdccc9eae9fe4..e6e1f993fbfaa 100644
--- a/lldb/packages/Python/lldbsuite/test/tools/lldb-dap/dap_server.py
+++ b/lldb/packages/Python/lldbsuite/test/tools/lldb-dap/dap_server.py
@@ -287,10 +287,7 @@ def __init__(
         self.terminated: bool = False
         self.events: List[Event] = []
         self.progress_events: List[Event] = []
-        self.invalidated_event: Optional[Event] = None
-        self.memory_event: Optional[Event] = None
         self.reverse_requests: List[Request] = []
-        self.module_events: List[Dict] = []
         self.sequence: int = 1
         self.output: Dict[str, str] = {}
         self.reverse_process: Optional[subprocess.Popen] = None
@@ -555,10 +552,6 @@ def _handle_event(self, packet: Event) -> None:
         elif event == "capabilities" and body:
             # Update the capabilities with new ones from the event.
             self.capabilities.update(body["capabilities"])
-        elif event == "invalidated":
-            self.invalidated_event = packet
-        elif event == "memory":
-            self.memory_event = packet
 
     def _handle_reverse_request(self, request: Request) -> None:
         if request in self.reverse_requests:
@@ -746,6 +739,18 @@ def wait_for_terminated(self):
             raise ValueError("didn't get terminated event")
         return event_dict
 
+    def wait_for_invalidated(self):
+        event_dict = self.wait_for_event(["invalidated"])
+        if event_dict is None:
+            raise ValueError("didn't get invalidated event")
+        return event_dict
+
+    def wait_for_memory(self):
+        event_dict = self.wait_for_event(["memory"])
+        if event_dict is None:
+            raise ValueError("didn't get memory event")
+        return event_dict
+
     def get_capability(self, key: str):
         """Get a value for the given key if it there is a key/value pair in
         the capabilities reported by the adapter.
diff --git a/lldb/packages/Python/lldbsuite/test/tools/lldb-dap/lldbdap_testcase.py b/lldb/packages/Python/lldbsuite/test/tools/lldb-dap/lldbdap_testcase.py
index f14742365e70e..44ae0cfa917a9 100644
--- a/lldb/packages/Python/lldbsuite/test/tools/lldb-dap/lldbdap_testcase.py
+++ b/lldb/packages/Python/lldbsuite/test/tools/lldb-dap/lldbdap_testcase.py
@@ -265,21 +265,6 @@ def verify_commands(self, flavor: str, output: str, commands: List[str]):
                 f"Command '{flavor}' - '{cmd}' not found in output: {output}",
             )
 
-    def verify_invalidated_event(self, expected_areas):
-        event = self.dap_server.invalidated_event
-        self.dap_server.invalidated_event = None
-        self.assertIsNotNone(event)
-        areas = event["body"].get("areas", [])
-        self.assertEqual(set(expected_areas), set(areas))
-
-    def verify_memory_event(self, memoryReference):
-        if memoryReference is None:
-            self.assertIsNone(self.dap_server.memory_event)
-        event = self.dap_server.memory_event
-        self.dap_server.memory_event = None
-        self.assertIsNotNone(event)
-        self.assertEqual(memoryReference, event["body"].get("memoryReference"))
-
     def get_dict_value(self, d: Mapping[str, Any], key_path: List[str]) -> Any:
         """Verify each key in the key_path array is in contained in each
         dictionary within "d". Assert if any key isn't in the
@@ -380,8 +365,10 @@ def set_variable(self, varRef, name, value, id=None):
         """Set a variable."""
         response = self.dap_server.request_setVariable(varRef, name, str(value), id=id)
         if response["success"]:
-            self.verify_invalidated_event(["variables"])
-            self.verify_memory_event(response["body"].get("memoryReference"))
+            invalidated_event = self.dap_server.wait_for_invalidated()
+            self.assertEqual(invalidated_event["body"].get("areas"), ["variables"])
+            memory_event = self.dap_server.wait_for_memory()
+            self.assertEqual(memory_event["body"].get("memoryReference"), response["body"].get("memoryReference"))
         return response
 
     def set_local(self, name, value, id=None):
@@ -658,5 +645,6 @@ def writeMemory(self, memoryReference, data=None, offset=0, allowPartial=False):
             memoryReference, encodedData, offset=offset, allowPartial=allowPartial
         )
         if response["success"]:
-            self.verify_invalidated_event(["all"])
+            invalidated_event = self.dap_server.wait_for_invalidated()
+            self.assertEqual(invalidated_event["body"].get("areas"), ["all"])
         return response