1 files changed, 149 insertions, 0 deletions
diff --git a/tests/lsp/test_hover.py b/tests/lsp/test_hover.py
new file mode 100644
index 0000000..9007c78
--- /dev/null
+++ b/tests/lsp/test_hover.py
@@ -0,0 +1,149 @@
+############################################################################
+# 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_HOVER
+from lsprotocol.types import (
+    Hover,
+    HoverOptions,
+    HoverParams,
+    MarkedString_Type1,
+    MarkupContent,
+    MarkupKind,
+    Position,
+    Range,
+    TextDocumentIdentifier,
+)
+
+from ..conftest import ClientServer
+
+
+class ConfiguredLS(ClientServer):
+    def __init__(self):
+        super().__init__()
+
+        @self.server.feature(
+            TEXT_DOCUMENT_HOVER,
+            HoverOptions(),
+        )
+        def f(params: HoverParams) -> Optional[Hover]:
+            range = Range(
+                start=Position(line=0, character=0),
+                end=Position(line=1, character=1),
+            )
+
+            return {
+                "file://return.marked_string": Hover(
+                    range=range,
+                    contents=MarkedString_Type1(
+                        language="language",
+                        value="value",
+                    ),
+                ),
+                "file://return.marked_string_list": Hover(
+                    range=range,
+                    contents=[
+                        MarkedString_Type1(
+                            language="language",
+                            value="value",
+                        ),
+                        "str type",
+                    ],
+                ),
+                "file://return.markup_content": Hover(
+                    range=range,
+                    contents=MarkupContent(kind=MarkupKind.Markdown, value="value"),
+                ),
+            }.get(params.text_document.uri, None)
+
+
+@ConfiguredLS.decorate()
+def test_capabilities(client_server):
+    _, server = client_server
+    capabilities = server.server_capabilities
+
+    assert capabilities.hover_provider
+
+
+@ConfiguredLS.decorate()
+def test_hover_return_marked_string(client_server):
+    client, _ = client_server
+    response = client.lsp.send_request(
+        TEXT_DOCUMENT_HOVER,
+        HoverParams(
+            text_document=TextDocumentIdentifier(uri="file://return.marked_string"),
+            position=Position(line=0, character=0),
+        ),
+    ).result()
+
+    assert response
+
+    assert response.contents.language == "language"
+    assert response.contents.value == "value"
+
+    assert response.range.start.line == 0
+    assert response.range.start.character == 0
+    assert response.range.end.line == 1
+    assert response.range.end.character == 1
+
+
+@ConfiguredLS.decorate()
+def test_hover_return_marked_string_list(client_server):
+    client, _ = client_server
+    response = client.lsp.send_request(
+        TEXT_DOCUMENT_HOVER,
+        HoverParams(
+            text_document=TextDocumentIdentifier(
+                uri="file://return.marked_string_list"
+            ),
+            position=Position(line=0, character=0),
+        ),
+    ).result()
+
+    assert response
+
+    assert response.contents[0].language == "language"
+    assert response.contents[0].value == "value"
+    assert response.contents[1] == "str type"
+
+    assert response.range.start.line == 0
+    assert response.range.start.character == 0
+    assert response.range.end.line == 1
+    assert response.range.end.character == 1
+
+
+@ConfiguredLS.decorate()
+def test_hover_return_markup_content(client_server):
+    client, _ = client_server
+    response = client.lsp.send_request(
+        TEXT_DOCUMENT_HOVER,
+        HoverParams(
+            text_document=TextDocumentIdentifier(uri="file://return.markup_content"),
+            position=Position(line=0, character=0),
+        ),
+    ).result()
+
+    assert response
+
+    assert response.contents.kind == MarkupKind.Markdown
+    assert response.contents.value == "value"
+
+    assert response.range.start.line == 0
+    assert response.range.start.character == 0
+    assert response.range.end.line == 1
+    assert response.range.end.character == 1