Serena

""" Basic integration tests for Zig language server functionality. These tests validate symbol finding and navigation capabilities using the Zig Language Server (ZLS). Note: ZLS requires files to be open in the editor to find cross-file references (performance optimization). """ import os import sys import pytest from solidlsp import SolidLanguageServer from solidlsp.ls_config import Language from solidlsp.ls_types import SymbolKind @pytest.mark.zig @pytest.mark.skipif( sys.platform == "win32", reason="ZLS is disabled on Windows - cross-file references don't work reliably. Reason unknown." ) class TestZigLanguageServer: """Test Zig language server symbol finding and navigation capabilities. NOTE: All tests are skipped on Windows as ZLS is disabled on that platform due to unreliable cross-file reference functionality. Reason unknown. """ @pytest.mark.parametrize("language_server", [Language.ZIG], indirect=True) def test_find_symbols_in_main(self, language_server: SolidLanguageServer) -> None: """Test finding specific symbols in main.zig.""" file_path = os.path.join("src", "main.zig") symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots() assert symbols is not None assert len(symbols) > 0 # Extract symbol names from the returned structure symbol_list = symbols[0] if isinstance(symbols, tuple) else symbols symbol_names = {sym.get("name") for sym in symbol_list if isinstance(sym, dict)} # Verify specific symbols exist assert "main" in symbol_names, "main function not found" assert "greeting" in symbol_names, "greeting function not found" @pytest.mark.parametrize("language_server", [Language.ZIG], indirect=True) def test_find_symbols_in_calculator(self, language_server: SolidLanguageServer) -> None: """Test finding Calculator struct and its methods.""" file_path = os.path.join("src", "calculator.zig") symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots() assert symbols is not None assert len(symbols) > 0 symbol_list = symbols[0] if isinstance(symbols, tuple) else symbols # Find Calculator struct calculator_symbol = None for sym in symbol_list: if sym.get("name") == "Calculator": calculator_symbol = sym break assert calculator_symbol is not None, "Calculator struct not found" # ZLS may use different symbol kinds for structs (14 = Namespace, 5 = Class, 23 = Struct) assert calculator_symbol.get("kind") in [ SymbolKind.Class, SymbolKind.Struct, SymbolKind.Namespace, 5, 14, 23, ], "Calculator should be a struct/class/namespace" # Check for Calculator methods (init, add, subtract, etc.) # Methods might be in children or at the same level all_symbols = [] for sym in symbol_list: all_symbols.append(sym.get("name")) if "children" in sym: for child in sym["children"]: all_symbols.append(child.get("name")) # Verify exact calculator methods exist expected_methods = {"init", "add", "subtract", "multiply", "divide"} found_methods = set(all_symbols) & expected_methods assert found_methods == expected_methods, f"Expected exactly {expected_methods}, found: {found_methods}" @pytest.mark.parametrize("language_server", [Language.ZIG], indirect=True) def test_find_symbols_in_math_utils(self, language_server: SolidLanguageServer) -> None: """Test finding functions in math_utils.zig.""" file_path = os.path.join("src", "math_utils.zig") symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots() assert symbols is not None assert len(symbols) > 0 symbol_list = symbols[0] if isinstance(symbols, tuple) else symbols symbol_names = {sym.get("name") for sym in symbol_list if isinstance(sym, dict)} # Verify math utility functions exist assert "factorial" in symbol_names, "factorial function not found" assert "isPrime" in symbol_names, "isPrime function not found" @pytest.mark.parametrize("language_server", [Language.ZIG], indirect=True) def test_find_references_within_file(self, language_server: SolidLanguageServer) -> None: """Test finding references within the same file.""" file_path = os.path.join("src", "calculator.zig") symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots() symbol_list = symbols[0] if isinstance(symbols, tuple) else symbols # Find Calculator struct calculator_symbol = None for sym in symbol_list: if sym.get("name") == "Calculator": calculator_symbol = sym break assert calculator_symbol is not None, "Calculator struct not found" # Find references to Calculator within the same file sel_range = calculator_symbol.get("selectionRange", calculator_symbol.get("range")) assert sel_range is not None, "Calculator symbol has no range information" sel_start = sel_range["start"] refs = language_server.request_references(file_path, sel_start["line"], sel_start["character"]) assert refs is not None assert isinstance(refs, list) # ZLS finds references within the same file # Calculator is used in 4 test usages (lines 45, 51, 57, 63) # Note: ZLS may not include the declaration itself as a reference assert len(refs) >= 4, f"Should find at least 4 Calculator references within calculator.zig, found {len(refs)}" # Verify we found the test usages ref_lines = sorted([ref["range"]["start"]["line"] for ref in refs]) test_lines = [44, 50, 56, 62] # 0-indexed: tests at lines 45, 51, 57, 63 for line in test_lines: assert line in ref_lines, f"Should find Calculator reference at line {line + 1}, found at lines {[l + 1 for l in ref_lines]}" @pytest.mark.parametrize("language_server", [Language.ZIG], indirect=True) @pytest.mark.skipif( sys.platform == "win32", reason="ZLS cross-file references don't work reliably on Windows - URI path handling issues" ) def test_cross_file_references_with_open_files(self, language_server: SolidLanguageServer) -> None: """ Test finding cross-file references with files open. ZLS limitation: Cross-file references (textDocument/references) only work when target files are open. This is a performance optimization in ZLS. NOTE: Disabled on Windows as cross-file references cannot be made to work reliably due to URI path handling differences between Windows and Unix systems. """ import time # Open the files that contain references to enable cross-file search with language_server.open_file("build.zig"): with language_server.open_file(os.path.join("src", "main.zig")): with language_server.open_file(os.path.join("src", "calculator.zig")): # Give ZLS a moment to analyze the open files time.sleep(1) # Find Calculator struct symbols = language_server.request_document_symbols(os.path.join("src", "calculator.zig")).get_all_symbols_and_roots() symbol_list = symbols[0] if isinstance(symbols, tuple) else symbols calculator_symbol = None for sym in symbol_list: if sym.get("name") == "Calculator": calculator_symbol = sym break assert calculator_symbol is not None, "Calculator struct not found" sel_range = calculator_symbol.get("selectionRange", calculator_symbol.get("range")) assert sel_range is not None, "Calculator symbol has no range information" # Find references to Calculator sel_start = sel_range["start"] refs = language_server.request_references( os.path.join("src", "calculator.zig"), sel_start["line"], sel_start["character"] ) assert refs is not None assert isinstance(refs, list) # With files open, ZLS should find cross-file references main_refs = [ref for ref in refs if "main.zig" in ref.get("uri", "")] assert len(main_refs) >= 1, f"Should find at least 1 Calculator reference in main.zig, found {len(main_refs)}" # Verify exact location in main.zig (line 8, 0-indexed: 7) main_ref_line = main_refs[0]["range"]["start"]["line"] assert ( main_ref_line == 7 ), f"Calculator reference in main.zig should be at line 8 (0-indexed: 7), found at line {main_ref_line + 1}" @pytest.mark.parametrize("language_server", [Language.ZIG], indirect=True) def test_cross_file_references_within_file(self, language_server: SolidLanguageServer) -> None: """ Test that ZLS finds references within the same file. Note: ZLS is designed to be lightweight and only analyzes files that are explicitly opened. Cross-file references require manually opening the relevant files first. """ # Find references to Calculator from calculator.zig file_path = os.path.join("src", "calculator.zig") symbols = language_server.request_document_symbols(file_path).get_all_symbols_and_roots() symbol_list = symbols[0] if isinstance(symbols, tuple) else symbols calculator_symbol = None for sym in symbol_list: if sym.get("name") == "Calculator": calculator_symbol = sym break assert calculator_symbol is not None, "Calculator struct not found" sel_range = calculator_symbol.get("selectionRange", calculator_symbol.get("range")) assert sel_range is not None, "Calculator symbol has no range information" sel_start = sel_range["start"] refs = language_server.request_references(file_path, sel_start["line"], sel_start["character"]) assert refs is not None assert isinstance(refs, list) # ZLS finds references within the same file # Calculator is used in 4 test usages (lines 45, 51, 57, 63) # Note: ZLS may not include the declaration itself as a reference assert len(refs) >= 4, f"Should find at least 4 Calculator references within calculator.zig, found {len(refs)}" # Verify we found the test usages ref_lines = sorted([ref["range"]["start"]["line"] for ref in refs]) test_lines = [44, 50, 56, 62] # 0-indexed: tests at lines 45, 51, 57, 63 for line in test_lines: assert line in ref_lines, f"Should find Calculator reference at line {line + 1}, found at lines {[l + 1 for l in ref_lines]}" @pytest.mark.parametrize("language_server", [Language.ZIG], indirect=True) @pytest.mark.skipif( sys.platform == "win32", reason="ZLS cross-file references don't work reliably on Windows - URI path handling issues" ) def test_go_to_definition_cross_file(self, language_server: SolidLanguageServer) -> None: """ Test go-to-definition from main.zig to calculator.zig. ZLS capability: Go-to-definition (textDocument/definition) works cross-file WITHOUT requiring files to be open. NOTE: Disabled on Windows as cross-file references cannot be made to work reliably due to URI path handling differences between Windows and Unix systems. """ file_path = os.path.join("src", "main.zig") # Line 8: const calc = calculator.Calculator.init(); # Test go-to-definition for Calculator definitions = language_server.request_definition(file_path, 7, 25) # Position of "Calculator" assert definitions is not None assert isinstance(definitions, list) assert len(definitions) > 0, "Should find definition of Calculator" # Should point to calculator.zig calc_def = definitions[0] assert "calculator.zig" in calc_def.get("uri", ""), "Definition should be in calculator.zig" @pytest.mark.parametrize("language_server", [Language.ZIG], indirect=True) @pytest.mark.skipif( sys.platform == "win32", reason="ZLS cross-file references don't work reliably on Windows - URI path handling issues" ) def test_cross_file_function_usage(self, language_server: SolidLanguageServer) -> None: """Test finding usage of functions from math_utils in main.zig. NOTE: Disabled on Windows as cross-file references cannot be made to work reliably due to URI path handling differences between Windows and Unix systems. """ # Line 23 in main.zig: const factorial_result = math_utils.factorial(5); definitions = language_server.request_definition(os.path.join("src", "main.zig"), 22, 40) # Position of "factorial" assert definitions is not None assert isinstance(definitions, list) if len(definitions) > 0: # Should find factorial definition in math_utils.zig math_def = [d for d in definitions if "math_utils.zig" in d.get("uri", "")] assert len(math_def) > 0, "Should find factorial definition in math_utils.zig" @pytest.mark.parametrize("language_server", [Language.ZIG], indirect=True) def test_verify_cross_file_imports(self, language_server: SolidLanguageServer) -> None: """Verify that our test files have proper cross-file imports.""" # Verify main.zig imports main_symbols = language_server.request_document_symbols(os.path.join("src", "main.zig")).get_all_symbols_and_roots() assert main_symbols is not None main_list = main_symbols[0] if isinstance(main_symbols, tuple) else main_symbols main_names = {sym.get("name") for sym in main_list if isinstance(sym, dict)} # main.zig should have main and greeting functions assert "main" in main_names, "main function should be in main.zig" assert "greeting" in main_names, "greeting function should be in main.zig" # Verify calculator.zig exports Calculator calc_symbols = language_server.request_document_symbols(os.path.join("src", "calculator.zig")).get_all_symbols_and_roots() assert calc_symbols is not None calc_list = calc_symbols[0] if isinstance(calc_symbols, tuple) else calc_symbols calc_names = {sym.get("name") for sym in calc_list if isinstance(sym, dict)} assert "Calculator" in calc_names, "Calculator struct should be in calculator.zig" # Verify math_utils.zig exports functions math_symbols = language_server.request_document_symbols(os.path.join("src", "math_utils.zig")).get_all_symbols_and_roots() assert math_symbols is not None math_list = math_symbols[0] if isinstance(math_symbols, tuple) else math_symbols math_names = {sym.get("name") for sym in math_list if isinstance(sym, dict)} assert "factorial" in math_names, "factorial function should be in math_utils.zig" assert "isPrime" in math_names, "isPrime function should be in math_utils.zig" @pytest.mark.parametrize("language_server", [Language.ZIG], indirect=True) def test_hover_information(self, language_server: SolidLanguageServer) -> None: """Test hover information for symbols.""" file_path = os.path.join("src", "main.zig") # Get hover info for the main function hover_info = language_server.request_hover(file_path, 4, 8) # Position of "main" function assert hover_info is not None, "Should provide hover information for main function" # Hover info could be a dict with 'contents' or a string if isinstance(hover_info, dict): assert "contents" in hover_info or "value" in hover_info, "Hover should have contents" @pytest.mark.parametrize("language_server", [Language.ZIG], indirect=True) def test_full_symbol_tree(self, language_server: SolidLanguageServer) -> None: """Test that full symbol tree is not empty.""" symbols = language_server.request_full_symbol_tree() assert symbols is not None assert len(symbols) > 0, "Symbol tree should not be empty" # The tree should have at least one root node root = symbols[0] assert isinstance(root, dict), "Root should be a dict" assert "name" in root, "Root should have a name"