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[PATCH 05/15] iotests: create generic qemu_tool() function
From: |
John Snow |
Subject: |
[PATCH 05/15] iotests: create generic qemu_tool() function |
Date: |
Fri, 18 Mar 2022 16:36:45 -0400 |
reimplement qemu_img() in terms of qemu_tool() in preparation for doing
the same with qemu_io().
Signed-off-by: John Snow <jsnow@redhat.com>
---
tests/qemu-iotests/iotests.py | 37 +++++++++++++++++++++++------------
1 file changed, 24 insertions(+), 13 deletions(-)
diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py
index 6cd8374c81..974a2b0c8d 100644
--- a/tests/qemu-iotests/iotests.py
+++ b/tests/qemu-iotests/iotests.py
@@ -207,15 +207,13 @@ def qemu_img_create_prepare_args(args: List[str]) ->
List[str]:
return result
-def qemu_img(*args: str, check: bool = True, combine_stdio: bool = True
+
+def qemu_tool(*args: str, check: bool = True, combine_stdio: bool = True
) -> subprocess.CompletedProcess[str]:
"""
- Run qemu_img and return the status code and console output.
+ Run a qemu tool and return its status code and console output.
- This function always prepends QEMU_IMG_OPTIONS and may further alter
- the args for 'create' commands.
-
- :param args: command-line arguments to qemu-img.
+ :param args: command-line arguments to a QEMU cli tool.
:param check: Enforce a return code of zero.
:param combine_stdio: set to False to keep stdout/stderr separated.
@@ -227,14 +225,13 @@ def qemu_img(*args: str, check: bool = True,
combine_stdio: bool = True
handled, the command-line, return code, and all console output
will be included at the bottom of the stack trace.
- :return: a CompletedProcess. This object has args, returncode, and
- stdout properties. If streams are not combined, it will also
- have a stderr property.
+ :return:
+ A CompletedProcess. This object has args, returncode, and stdout
+ properties. If streams are not combined, it will also have a
+ stderr property.
"""
- full_args = qemu_img_args + qemu_img_create_prepare_args(list(args))
-
subp = subprocess.run(
- full_args,
+ args,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT if combine_stdio else subprocess.PIPE,
universal_newlines=True,
@@ -243,7 +240,7 @@ def qemu_img(*args: str, check: bool = True, combine_stdio:
bool = True
if check and subp.returncode or (subp.returncode < 0):
raise VerboseProcessError(
- subp.returncode, full_args,
+ subp.returncode, args,
output=subp.stdout,
stderr=subp.stderr,
)
@@ -251,6 +248,20 @@ def qemu_img(*args: str, check: bool = True,
combine_stdio: bool = True
return subp
+def qemu_img(*args: str, check: bool = True, combine_stdio: bool = True
+ ) -> subprocess.CompletedProcess[str]:
+ """
+ Run QEMU_IMG_PROG and return its status code and console output.
+
+ This function always prepends QEMU_IMG_OPTIONS and may further alter
+ the args for 'create' commands.
+
+ See `qemu_tool()` for greater detail.
+ """
+ full_args = qemu_img_args + qemu_img_create_prepare_args(list(args))
+ return qemu_tool(*full_args, check=check, combine_stdio=combine_stdio)
+
+
def ordered_qmp(qmsg, conv_keys=True):
# Dictionaries are not ordered prior to 3.6, therefore:
if isinstance(qmsg, list):
--
2.34.1
- Re: [PATCH 04/15] iotests/040: Don't check image pattern on zero-length image, (continued)
[PATCH 10/15] iotests/245: fixup, John Snow, 2022/03/18
Re: [PATCH 10/15] iotests/245: fixup, John Snow, 2022/03/22
[PATCH 05/15] iotests: create generic qemu_tool() function,
John Snow <=
[PATCH 02/15] iotests/163: Fix broken qemu-io invocation, John Snow, 2022/03/18
[PATCH 12/15] iotests/migration-permissions: use assertRaises() for qemu_io() negative test, John Snow, 2022/03/18