binutils: convert to new stand-alone test process (#37690)

var/spack/repos/builtin/packages/binutils/package.py

@@ -2,6 +2,7 @@
 # Spack Project Developers. See the top-level COPYRIGHT file for details.
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
+import os
 import re
 
 import spack.build_systems.autotools
@@ -192,31 +193,36 @@ def flag_handler(self, name, flags):
                 iflags.append("-Wl,-z,notext")
         return (iflags, None, flags)
 
-    def test(self):
-        spec_vers = str(self.spec.version)
+    def test_binaries(self):
+        binaries = [
+            "ar",
+            "c++filt",
+            "coffdump",
+            "dlltool",
+            "elfedit",
+            "gprof",
+            "ld",
+            "nm",
+            "objdump",
+            "ranlib",
+            "readelf",
+            "size",
+            "strings",
+        ]
 
-        checks = {
-            "ar": spec_vers,
-            "c++filt": spec_vers,
-            "coffdump": spec_vers,
-            "dlltool": spec_vers,
-            "elfedit": spec_vers,
-            "gprof": spec_vers,
-            "ld": spec_vers,
-            "nm": spec_vers,
-            "objdump": spec_vers,
-            "ranlib": spec_vers,
-            "readelf": spec_vers,
-            "size": spec_vers,
-            "strings": spec_vers,
-        }
+        # Since versions can have mixed separator characters after the minor
+        # version, just check the first two components
+        version = str(self.spec.version.up_to(2))
+        for _bin in binaries:
+            reason = "checking version of {0} is {1}".format(_bin, version)
+            with test_part(self, "test_binaries_{0}".format(_bin), purpose=reason):
+                installed_exe = join_path(self.prefix.bin, _bin)
+                if not os.path.exists(installed_exe):
+                    raise SkipTest("{0} is not installed".format(_bin))
 
-        for exe in checks:
-            expected = checks[exe]
-            reason = "test: ensuring version of {0} is {1}".format(exe, expected)
-            self.run_test(
-                exe, "--version", expected, installed=True, purpose=reason, skip_missing=True
-            )
+                exe = which(installed_exe)
+                out = exe("--version", output=str.split, error=str.split)
+                assert version in out
 
 
 class AutotoolsBuilder(spack.build_systems.autotools.AutotoolsBuilder):