Adding upstream version 1.2+20240521.

Signed-off-by: Daniel Baumann <daniel@debian.org>

tests/inputs/import_service_input_message/child_package_request_message.proto

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+syntax = "proto3";
+
+package import_service_input_message.child;
+
+message ChildRequestMessage {
+    int32 child_argument = 1;
+}

tests/inputs/import_service_input_message/import_service_input_message.proto

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+syntax = "proto3";
+
+package import_service_input_message;
+
+import "request_message.proto";
+import "child_package_request_message.proto";
+
+// Tests generated service correctly imports the RequestMessage
+
+service Test {
+    rpc DoThing (RequestMessage) returns (RequestResponse);
+    rpc DoThing2 (child.ChildRequestMessage) returns (RequestResponse);
+    rpc DoThing3 (Nested.RequestMessage) returns (RequestResponse);
+}
+
+
+message RequestResponse {
+    int32 value = 1;
+}
+
+message Nested {
+    message RequestMessage {
+        int32 nestedArgument = 1;
+    }
+}

tests/inputs/import_service_input_message/request_message.proto

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+syntax = "proto3";
+
+package import_service_input_message;
+
+message RequestMessage {
+    int32 argument = 1;
+}

tests/inputs/import_service_input_message/test_import_service_input_message.py

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+import pytest
+
+from tests.mocks import MockChannel
+from tests.output_aristaproto.import_service_input_message import (
+    NestedRequestMessage,
+    RequestMessage,
+    RequestResponse,
+    TestStub,
+)
+from tests.output_aristaproto.import_service_input_message.child import (
+    ChildRequestMessage,
+)
+
+
+@pytest.mark.asyncio
+async def test_service_correctly_imports_reference_message():
+    mock_response = RequestResponse(value=10)
+    service = TestStub(MockChannel([mock_response]))
+    response = await service.do_thing(RequestMessage(1))
+    assert mock_response == response
+
+
+@pytest.mark.asyncio
+async def test_service_correctly_imports_reference_message_from_child_package():
+    mock_response = RequestResponse(value=10)
+    service = TestStub(MockChannel([mock_response]))
+    response = await service.do_thing2(ChildRequestMessage(1))
+    assert mock_response == response
+
+
+@pytest.mark.asyncio
+async def test_service_correctly_imports_nested_reference():
+    mock_response = RequestResponse(value=10)
+    service = TestStub(MockChannel([mock_response]))
+    response = await service.do_thing3(NestedRequestMessage(1))
+    assert mock_response == response