tests/functional: remove duplicated 'which' function impl

Put the 'which' function into shared code.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-ID: <20241217155953.3950506-5-berrange@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

1 files changed, 1 insertions, 12 deletions

diff --git a/tests/functional/test_acpi_bits.py b/tests/functional/test_acpi_bits.py
index 3df9562394..1e6d082ecb 100755
--- a/tests/functional/test_acpi_bits.py
+++ b/tests/functional/test_acpi_bits.py
@@ -47,7 +47,7 @@ from typing import (
 )
 from qemu.machine import QEMUMachine
 from unittest import skipIf
-from qemu_test import QemuSystemTest, Asset
+from qemu_test import QemuSystemTest, Asset, which
 
 deps = ["xorriso", "mformat"] # dependent tools needed in the test setup/box.
 supported_platforms = ['x86_64'] # supported test platforms.
@@ -55,17 +55,6 @@ supported_platforms = ['x86_64'] # supported test platforms.
 # default timeout of 120 secs is sometimes not enough for bits test.
 BITS_TIMEOUT = 200
 
-def which(tool):
-    """ looks up the full path for @tool, returns None if not found
-        or if @tool does not have executable permissions.
-    """
-    paths=os.getenv('PATH')
-    for p in paths.split(os.path.pathsep):
-        p = os.path.join(p, tool)
-        if os.path.exists(p) and os.access(p, os.X_OK):
-            return p
-    return None
-
 def missing_deps():
     """ returns True if any of the test dependent tools are absent.
     """