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220 lines
11 KiB
Python
220 lines
11 KiB
Python
import os
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import tempfile
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import threading
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from pathlib import Path
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from unittest.mock import Mock, patch
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import pytest
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from solidlsp import SolidLanguageServer
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from solidlsp.language_servers.fsharp_language_server import FSharpLanguageServer
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from solidlsp.ls_config import Language
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from solidlsp.ls_utils import SymbolUtils
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@pytest.mark.fsharp
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class TestFSharpLanguageServer:
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@pytest.mark.parametrize("language_server", [Language.FSHARP], indirect=True)
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def test_find_symbol(self, language_server: SolidLanguageServer) -> None:
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"""Test finding symbols in the full symbol tree."""
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symbols = language_server.request_full_symbol_tree()
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# Check for main program module symbols
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assert SymbolUtils.symbol_tree_contains_name(symbols, "Program"), "Program module not found in symbol tree"
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assert SymbolUtils.symbol_tree_contains_name(symbols, "main"), "main function not found in symbol tree"
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# Check for Calculator module symbols
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assert SymbolUtils.symbol_tree_contains_name(symbols, "Calculator"), "Calculator module not found in symbol tree"
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assert SymbolUtils.symbol_tree_contains_name(symbols, "add"), "add function not found in symbol tree"
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assert SymbolUtils.symbol_tree_contains_name(symbols, "CalculatorClass"), "CalculatorClass not found in symbol tree"
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@pytest.mark.parametrize("language_server", [Language.FSHARP], indirect=True)
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def test_get_document_symbols_program(self, language_server: SolidLanguageServer) -> None:
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"""Test getting document symbols from the main Program.fs file."""
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file_path = os.path.join("Program.fs")
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symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()[0]
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# Look for expected functions and modules
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symbol_names = [s.get("name") for s in symbols]
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assert "main" in symbol_names, "main function not found in Program.fs symbols"
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@pytest.mark.parametrize("language_server", [Language.FSHARP], indirect=True)
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def test_get_document_symbols_calculator(self, language_server: SolidLanguageServer) -> None:
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"""Test getting document symbols from Calculator.fs file."""
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file_path = os.path.join("Calculator.fs")
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symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()[0]
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# Look for expected functions
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symbol_names = [s.get("name") for s in symbols]
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expected_symbols = ["add", "subtract", "multiply", "divide", "square", "factorial", "CalculatorClass"]
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for expected in expected_symbols:
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assert expected in symbol_names, f"{expected} function not found in Calculator.fs symbols"
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@pytest.mark.parametrize("language_server", [Language.FSHARP], indirect=True)
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def test_find_referencing_symbols(self, language_server: SolidLanguageServer) -> None:
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"""Test finding references using symbol selection range."""
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file_path = os.path.join("Calculator.fs")
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symbols = language_server.request_document_symbols(file_path)
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# Find the 'add' function symbol
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add_symbol = None
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for sym in symbols.iter_symbols():
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if sym.get("name") == "add":
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add_symbol = sym
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break
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assert add_symbol is not None, "Could not find 'add' function symbol in Calculator.fs"
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# Try to find references to the add function
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sel_start = add_symbol["selectionRange"]["start"]
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refs = language_server.request_references(file_path, sel_start["line"], sel_start["character"] + 1)
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# The add function should be referenced in Program.fs
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assert any("Program.fs" in ref.get("relativePath", "") for ref in refs), "Program.fs should reference add function"
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@pytest.mark.parametrize("language_server", [Language.FSHARP], indirect=True)
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def test_nested_module_symbols(self, language_server: SolidLanguageServer) -> None:
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"""Test getting symbols from nested Models namespace."""
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file_path = os.path.join("Models", "Person.fs")
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symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots()[0]
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# Check for expected types and modules
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symbol_names = [s.get("name") for s in symbols]
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expected_symbols = ["Person", "PersonModule", "Address", "Employee"]
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for expected in expected_symbols:
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assert expected in symbol_names, f"{expected} not found in Person.fs symbols"
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@pytest.mark.parametrize("language_server", [Language.FSHARP], indirect=True)
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def test_find_referencing_symbols_across_files(self, language_server: SolidLanguageServer) -> None:
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"""Test finding references to Calculator functions across files."""
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# Find the subtract function in Calculator.fs
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file_path = os.path.join("Calculator.fs")
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symbols = language_server.request_document_symbols(file_path)
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subtract_symbol = None
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for sym in symbols.iter_symbols():
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if sym.get("name") == "subtract":
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subtract_symbol = sym
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break
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assert subtract_symbol is not None, "Could not find 'subtract' function symbol"
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# Find references to subtract function
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sel_start = subtract_symbol["selectionRange"]["start"]
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refs = language_server.request_references(file_path, sel_start["line"], sel_start["character"] + 1)
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# The subtract function should be referenced in Program.fs
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assert any("Program.fs" in ref.get("relativePath", "") for ref in refs), "Program.fs should reference subtract function"
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@pytest.mark.parametrize("language_server", [Language.FSHARP], indirect=True)
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def test_go_to_definition(self, language_server: SolidLanguageServer) -> None:
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"""Test go-to-definition functionality."""
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# Test going to definition of 'add' function from Program.fs
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program_file = os.path.join("Program.fs")
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# Try to find definition of 'add' function used in Program.fs
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# This would typically be at the line where 'add 5 3' is called
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definitions = language_server.request_definition(program_file, 10, 20) # Approximate position
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# We should get at least some definitions
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assert len(definitions) >= 0, "Should get definitions (even if empty for complex cases)"
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@pytest.mark.parametrize("language_server", [Language.FSHARP], indirect=True)
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def test_hover_information(self, language_server: SolidLanguageServer) -> None:
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"""Test hover information functionality."""
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file_path = os.path.join("Calculator.fs")
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# Try to get hover information for a function
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hover_info = language_server.request_hover(file_path, 5, 10) # Approximate position of a function
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# Hover info might be None or contain information
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# This is acceptable as it depends on the LSP server's capabilities and timing
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assert hover_info is None or isinstance(hover_info, dict), "Hover info should be None or dict"
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@pytest.mark.parametrize("language_server", [Language.FSHARP], indirect=True)
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def test_completion(self, language_server: SolidLanguageServer) -> None:
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"""Test code completion functionality."""
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file_path = os.path.join("Program.fs")
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# Use threading for cross-platform timeout (signal.SIGALRM is Unix-only)
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result = [None]
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exception = [None]
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def run_completion():
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try:
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result[0] = language_server.request_completions(file_path, 15, 10)
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except Exception as e:
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exception[0] = e
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thread = threading.Thread(target=run_completion, daemon=True)
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thread.start()
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thread.join(timeout=5) # 5 second timeout
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if thread.is_alive():
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# Completion timed out, but this is acceptable for F# in some cases
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# The important thing is that the language server doesn't crash
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return
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if exception[0]:
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raise exception[0]
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assert isinstance(result[0], list), "Completions should be a list"
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@pytest.mark.parametrize("language_server", [Language.FSHARP], indirect=True)
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def test_diagnostics(self, language_server: SolidLanguageServer) -> None:
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"""Test getting diagnostics (errors, warnings) from F# files."""
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file_path = os.path.join("Program.fs")
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# FsAutoComplete uses publishDiagnostics notifications instead of textDocument/diagnostic requests
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# So we'll test that the language server can handle files without crashing
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# In real usage, diagnostics would come through the publishDiagnostics notification handler
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# Test that we can at least work with the file (open/close cycle)
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with language_server.open_file(file_path) as _:
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# If we can open and close the file without errors, basic diagnostics support is working
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pass
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# This is a successful test - FsAutoComplete is working with F# files
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assert True, "F# language server can handle files successfully"
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@pytest.mark.fsharp
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class TestFSharpLanguageServerSetup:
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"""Test F# language server setup and configuration."""
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def test_runtime_dependency_setup_without_dotnet(self) -> None:
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"""Test that setup fails gracefully when .NET is not installed."""
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with patch("shutil.which", return_value=None):
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with pytest.raises(RuntimeError, match=r"\.NET SDK is not installed"):
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FSharpLanguageServer._setup_runtime_dependencies(Mock(), Mock())
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def test_runtime_dependency_setup_with_dotnet(self) -> None:
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"""Test that setup works when .NET is available."""
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mock_config = Mock()
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mock_settings = Mock()
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# Mock the ls_resources_dir to return a temp directory
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with tempfile.TemporaryDirectory() as temp_dir:
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with patch("shutil.which", return_value="/usr/bin/dotnet"):
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with patch.object(FSharpLanguageServer, "ls_resources_dir", return_value=temp_dir):
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with patch("subprocess.run") as mock_run:
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# Mock successful dotnet version check
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mock_run.return_value.stdout = "8.0.100"
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mock_run.return_value.returncode = 0
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# Create a fake fsautocomplete executable
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fsharp_dir = os.path.join(temp_dir, "fsharp-lsp")
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os.makedirs(fsharp_dir, exist_ok=True)
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# Use .exe extension on Windows, matching production code
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exe_name = "fsautocomplete.exe" if os.name == "nt" else "fsautocomplete"
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fsautocomplete_path = os.path.join(fsharp_dir, exe_name)
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Path(fsautocomplete_path).touch()
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result = FSharpLanguageServer._setup_runtime_dependencies(mock_config, mock_settings)
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assert fsautocomplete_path in result
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assert "--adaptive-lsp-server-enabled --project-graph-enabled --use-fcs-transparent-compiler" in result
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