File size: 5,656 Bytes
5f25733 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 | """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"),
},
)
@unittest.skipIf(os.name == "nt", "Portable shell subprocess selection probe")
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()
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