From patchwork Tue Mar 22 11:56:35 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hanna Czenczek X-Patchwork-Id: 12788331 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 38415C433EF for ; Tue, 22 Mar 2022 12:19:23 +0000 (UTC) Received: from localhost ([::1]:52428 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nWdTu-00038e-5c for qemu-devel@archiver.kernel.org; Tue, 22 Mar 2022 08:19:22 -0400 Received: from eggs.gnu.org ([209.51.188.92]:59380) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nWd8V-0002f6-Rq for qemu-devel@nongnu.org; Tue, 22 Mar 2022 07:57:15 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:31823) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nWd8U-0006T0-3w for qemu-devel@nongnu.org; Tue, 22 Mar 2022 07:57:15 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1647950233; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=n8TWpjZyrcziqfvMPKSVJiBJRcKJb7ZvjksXc7mFqJw=; b=CAm9fBFilMFiDikVZebYfhmh+i7tZjmEGhCHVxgA+5sSiD9ejNB57aBfh0ZVk8c8sq0m5G W0LSRkdyOzx53KJn9OR7DtsjjIhmYWwuCivUjpEgFSa6pOMqllLNnc9RUT+yvrCSff/Vs0 kKsxgBJwlHNPAkXdOC/wjtkfTbvtNtw= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-536-jn9a0DPeNgGSjtU8ewRNTA-1; Tue, 22 Mar 2022 07:57:10 -0400 X-MC-Unique: jn9a0DPeNgGSjtU8ewRNTA-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.rdu2.redhat.com [10.11.54.2]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 1B1B329DD989; Tue, 22 Mar 2022 11:57:10 +0000 (UTC) Received: from localhost (unknown [10.39.194.233]) by smtp.corp.redhat.com (Postfix) with ESMTPS id CC248403D1C5; Tue, 22 Mar 2022 11:57:09 +0000 (UTC) From: Hanna Reitz To: qemu-block@nongnu.org Subject: [PULL 13/25] iotests: add qemu_img_info() Date: Tue, 22 Mar 2022 12:56:35 +0100 Message-Id: <20220322115647.726044-14-hreitz@redhat.com> In-Reply-To: <20220322115647.726044-1-hreitz@redhat.com> References: <20220322115647.726044-1-hreitz@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.11.54.2 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=hreitz@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=170.10.133.124; envelope-from=hreitz@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Peter Maydell , Hanna Reitz , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: John Snow Add qemu_img_info() by analogy with qemu_img_measure() and qemu_img_check(). Modify image_size() to use this function instead to take advantage of the better diagnostic information on failure provided (ultimately) by qemu_img(). Signed-off-by: John Snow Reviewed-by: Hanna Reitz Message-Id: <20220321201618.903471-9-jsnow@redhat.com> Signed-off-by: Hanna Reitz --- tests/qemu-iotests/065 | 5 ++--- tests/qemu-iotests/242 | 5 ++--- tests/qemu-iotests/iotests.py | 15 +++++++++++---- 3 files changed, 15 insertions(+), 10 deletions(-) diff --git a/tests/qemu-iotests/065 b/tests/qemu-iotests/065 index f7c1b68dad..9466ce7df4 100755 --- a/tests/qemu-iotests/065 +++ b/tests/qemu-iotests/065 @@ -24,7 +24,7 @@ import os import re import json import iotests -from iotests import qemu_img, qemu_img_pipe +from iotests import qemu_img, qemu_img_info, qemu_img_pipe import unittest test_img = os.path.join(iotests.test_dir, 'test.img') @@ -49,8 +49,7 @@ class TestQemuImgInfo(TestImageInfoSpecific): human_compare = None def test_json(self): - data = json.loads(qemu_img_pipe('info', '--output=json', test_img)) - data = data['format-specific'] + data = qemu_img_info(test_img)['format-specific'] self.assertEqual(data['type'], iotests.imgfmt) self.assertEqual(data['data'], self.json_compare) diff --git a/tests/qemu-iotests/242 b/tests/qemu-iotests/242 index 96a30152b0..547bf382e3 100755 --- a/tests/qemu-iotests/242 +++ b/tests/qemu-iotests/242 @@ -22,7 +22,7 @@ import iotests import json import struct -from iotests import qemu_img_create, qemu_io, qemu_img_pipe, \ +from iotests import qemu_img_create, qemu_io, qemu_img_info, \ file_path, img_info_log, log, filter_qemu_io iotests.script_initialize(supported_fmts=['qcow2'], @@ -39,8 +39,7 @@ flag_offset = 0x5000f def print_bitmap(extra_args): log('qemu-img info dump:\n') img_info_log(disk, extra_args=extra_args) - result = json.loads(qemu_img_pipe('info', '--force-share', - '--output=json', disk)) + result = qemu_img_info('--force-share', disk) if 'bitmaps' in result['format-specific']['data']: bitmaps = result['format-specific']['data']['bitmaps'] log('The same bitmaps in JSON format:') diff --git a/tests/qemu-iotests/iotests.py b/tests/qemu-iotests/iotests.py index 4725313150..2a1c589b76 100644 --- a/tests/qemu-iotests/iotests.py +++ b/tests/qemu-iotests/iotests.py @@ -315,6 +315,9 @@ def qemu_img_measure(*args: str) -> Any: def qemu_img_check(*args: str) -> Any: return qemu_img_json("check", "--output", "json", *args) +def qemu_img_info(*args: str) -> Any: + return qemu_img_json('info', "--output", "json", *args) + def qemu_img_pipe(*args: str) -> str: '''Run qemu-img and return its output''' return qemu_img_pipe_and_status(*args)[0] @@ -565,10 +568,14 @@ def create_image(name, size): file.write(sector) i = i + 512 -def image_size(img): - '''Return image's virtual size''' - r = qemu_img_pipe('info', '--output=json', '-f', imgfmt, img) - return json.loads(r)['virtual-size'] +def image_size(img: str) -> int: + """Return image's virtual size""" + value = qemu_img_info('-f', imgfmt, img)['virtual-size'] + if not isinstance(value, int): + type_name = type(value).__name__ + raise TypeError("Expected 'int' for 'virtual-size', " + f"got '{value}' of type '{type_name}'") + return value def is_str(val): return isinstance(val, str)