1 files changed, 103 insertions, 0 deletions
diff --git a/tests/lsp/test_linked_editing_range.py b/tests/lsp/test_linked_editing_range.py
new file mode 100644
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+++ b/tests/lsp/test_linked_editing_range.py
@@ -0,0 +1,103 @@
+############################################################################
+# Copyright(c) Open Law Library. All rights reserved.                      #
+# See ThirdPartyNotices.txt in the project root for additional notices.    #
+#                                                                          #
+# Licensed under the Apache License, Version 2.0 (the "License")           #
+# you may not use this file except in compliance with the License.         #
+# You may obtain a copy of the License at                                  #
+#                                                                          #
+#     http: // www.apache.org/licenses/LICENSE-2.0                         #
+#                                                                          #
+# Unless required by applicable law or agreed to in writing, software      #
+# distributed under the License is distributed on an "AS IS" BASIS,        #
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. #
+# See the License for the specific language governing permissions and      #
+# limitations under the License.                                           #
+############################################################################
+
+from typing import Optional
+
+from lsprotocol.types import TEXT_DOCUMENT_LINKED_EDITING_RANGE
+from lsprotocol.types import (
+    LinkedEditingRangeOptions,
+    LinkedEditingRangeParams,
+    LinkedEditingRanges,
+    Position,
+    Range,
+    TextDocumentIdentifier,
+)
+
+from ..conftest import ClientServer
+
+
+class ConfiguredLS(ClientServer):
+    def __init__(self):
+        super().__init__()
+
+        @self.server.feature(
+            TEXT_DOCUMENT_LINKED_EDITING_RANGE,
+            LinkedEditingRangeOptions(),
+        )
+        def f(params: LinkedEditingRangeParams) -> Optional[LinkedEditingRanges]:
+            if params.text_document.uri == "file://return.ranges":
+                return LinkedEditingRanges(
+                    ranges=[
+                        Range(
+                            start=Position(line=0, character=0),
+                            end=Position(line=1, character=1),
+                        ),
+                        Range(
+                            start=Position(line=1, character=1),
+                            end=Position(line=2, character=2),
+                        ),
+                    ],
+                    word_pattern="pattern",
+                )
+            else:
+                return None
+
+
+@ConfiguredLS.decorate()
+def test_capabilities(client_server):
+    _, server = client_server
+    capabilities = server.server_capabilities
+
+    assert capabilities.linked_editing_range_provider
+
+
+@ConfiguredLS.decorate()
+def test_linked_editing_ranges_return_ranges(client_server):
+    client, _ = client_server
+    response = client.lsp.send_request(
+        TEXT_DOCUMENT_LINKED_EDITING_RANGE,
+        LinkedEditingRangeParams(
+            text_document=TextDocumentIdentifier(uri="file://return.ranges"),
+            position=Position(line=0, character=0),
+        ),
+    ).result()
+
+    assert response
+
+    assert response.ranges[0].start.line == 0
+    assert response.ranges[0].start.character == 0
+    assert response.ranges[0].end.line == 1
+    assert response.ranges[0].end.character == 1
+    assert response.ranges[1].start.line == 1
+    assert response.ranges[1].start.character == 1
+    assert response.ranges[1].end.line == 2
+    assert response.ranges[1].end.character == 2
+    assert response.word_pattern == "pattern"
+
+
+@ConfiguredLS.decorate()
+def test_linked_editing_ranges_return_none(client_server):
+    client, _ = client_server
+    response = client.lsp.send_request(
+        TEXT_DOCUMENT_LINKED_EDITING_RANGE,
+        LinkedEditingRangeParams(
+            text_document=TextDocumentIdentifier(uri="file://return.none"),
+            position=Position(line=0, character=0),
+        ),
+    ).result()
+
+    assert response is None