| """Exercise explicit Windows tool selection and rejection before native builds.""" | |
| import json | |
| import os | |
| from pathlib import Path | |
| import shutil | |
| import subprocess | |
| import sys | |
| import tempfile | |
| import unittest | |
| from windows_build_inputs import build_environment | |
| class WindowsInputsTests(unittest.TestCase): | |
| def setUp(self): | |
| temporary = tempfile.TemporaryDirectory(prefix="voice selected tools ") | |
| self.addCleanup(temporary.cleanup) | |
| self.root = Path(temporary.name) | |
| self.target = "x86_64-pc-windows-msvc" | |
| self.selected = {} | |
| for directory, names in { | |
| "msvc": [ | |
| "cl.exe", | |
| "link.exe", | |
| "lib.exe", | |
| "dumpbin.exe", | |
| "ml64.exe", | |
| "nmake.exe", | |
| ], | |
| "sdk": ["rc.exe", "mt.exe"], | |
| "cygwin": [ | |
| "bash.exe", | |
| "cygpath.exe", | |
| "automake-1.18", | |
| "make.exe", | |
| "link.exe", | |
| ], | |
| "cmake": ["cmake.exe"], | |
| "pkgconf": ["pkgconf.exe"], | |
| "Windows/System32": ["cmd.exe"], | |
| }.items(): | |
| parent = self.root / directory | |
| parent.mkdir(parents=True) | |
| for name in names: | |
| (parent / name).touch() | |
| self.tools = { | |
| "cc": self.root / "msvc/cl.exe", | |
| "cxx": self.root / "msvc/cl.exe", | |
| "link": self.root / "msvc/link.exe", | |
| "lib": self.root / "msvc/lib.exe", | |
| "dumpbin": self.root / "msvc/dumpbin.exe", | |
| "assembler": self.root / "msvc/ml64.exe", | |
| "bootstrap_make": self.root / "msvc/nmake.exe", | |
| "rc": self.root / "sdk/rc.exe", | |
| "mt": self.root / "sdk/mt.exe", | |
| "make": self.root / "cygwin/make.exe", | |
| "shell": self.root / "cygwin/bash.exe", | |
| "cygpath": self.root / "cygwin/cygpath.exe", | |
| "automake": self.root / "cygwin/automake-1.18", | |
| "cmake": self.root / "cmake/cmake.exe", | |
| "pkg_config": self.root / "pkgconf/pkgconf.exe", | |
| "python": Path(sys.executable), | |
| } | |
| self.document = { | |
| "schemaVersion": 1, | |
| "target": self.target, | |
| "tools": {key: str(value) for key, value in self.tools.items()}, | |
| "systemRoot": str(self.root / "Windows"), | |
| "INCLUDE": [str(self.root / "sdk")], | |
| "LIB": [str(self.root / "msvc")], | |
| } | |
| self.path = self.root / "inputs.json" | |
| def environment(self): | |
| self.path.write_text(json.dumps(self.document), encoding="utf-8") | |
| return build_environment(self.path, self.target, self.selected)[0] | |
| def test_msvc_link_precedes_same_named_cygwin_tool(self): | |
| environment = self.environment() | |
| first = next( | |
| Path(directory) / "link.exe" | |
| for directory in environment["PATH"].split(os.pathsep) | |
| if (Path(directory) / "link.exe").exists() | |
| ) | |
| self.assertEqual(first, self.tools["link"]) | |
| self.assertEqual( | |
| {name: environment[name] for name in ("INCLUDE", "LIB", "COMSPEC")}, | |
| { | |
| "INCLUDE": str(self.root / "sdk"), | |
| "LIB": str(self.root / "msvc"), | |
| "COMSPEC": str(self.root / "Windows/System32/cmd.exe"), | |
| }, | |
| ) | |
| def test_subprocess_uses_selected_tool_without_ambient_path(self): | |
| # Execute the name upstream uses, with a conflicting Cygwin executable. | |
| for path, text in ( | |
| (self.tools["link"], "msvc"), | |
| (self.root / "cygwin/link.exe", "cygwin"), | |
| ): | |
| path.write_text(f"#!/bin/sh\nprintf '{text}'\n") | |
| path.chmod(0o755) | |
| result = subprocess.run( | |
| ["link.exe"], | |
| env=self.environment(), | |
| check=True, | |
| capture_output=True, | |
| text=True, | |
| ) | |
| self.assertEqual(result.stdout, "msvc") | |
| def test_missing_or_wrong_architecture_assembler_is_rejected(self): | |
| self.tools["assembler"].unlink() | |
| with self.assertRaisesRegex(ValueError, "assembler"): | |
| self.environment() | |
| self.tools["assembler"].touch() | |
| self.target = "aarch64-pc-windows-msvc" | |
| self.document["target"] = self.target | |
| with self.assertRaisesRegex(ValueError, "assembler"): | |
| self.environment() | |
| arm = self.tools["assembler"].with_name("armasm64.exe") | |
| arm.touch() | |
| self.document["tools"]["assembler"] = str(arm) | |
| self.environment() | |
| def test_shadowed_sdk_tool_is_rejected(self): | |
| shutil.copyfile(self.tools["rc"], self.root / "msvc/rc.exe") | |
| with self.assertRaisesRegex(ValueError, "shadowed: rc"): | |
| self.environment() | |
| def test_cli_tool_must_match_recorded_selection(self): | |
| self.selected["cc"] = self.tools["cmake"] | |
| with self.assertRaisesRegex(ValueError, "disagrees with --cc"): | |
| self.environment() | |
| def test_missing_sdk_and_relative_paths_are_rejected(self): | |
| for value in ([], ["relative"], [str(self.root / "missing")]): | |
| with self.subTest(value=value): | |
| self.document["INCLUDE"] = value | |
| with self.assertRaises(ValueError): | |
| self.environment() | |
| def test_target_mismatch_cannot_reuse_other_inputs(self): | |
| self.document["target"] = "aarch64-pc-windows-msvc" | |
| with self.assertRaisesRegex(ValueError, "target"): | |
| self.environment() | |