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From: Kevin Wolf <kwolf@redhat.com>
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Date: Fri, 25 May 2018 18:33:24 +0200
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Subject: [Qemu-devel] [PATCH 11/14] qemu-iotests: Rewrite 211 for
	blockdev-create job
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	<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>

This rewrites the test case 211 to work with the new x-blockdev-create
job rather than the old synchronous version of the command.

All of the test cases stay the same as before, but in order to be able
to implement proper job handling, the test case is rewritten in Python.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
---
 tests/qemu-iotests/211     | 384 ++++++++++++++++++---------------------------
 tests/qemu-iotests/211.out | 123 ++++++++-------
 tests/qemu-iotests/group   |   2 +-
 3 files changed, 227 insertions(+), 282 deletions(-)

diff --git a/tests/qemu-iotests/211 b/tests/qemu-iotests/211
index 1edec26517..2fd89cfb32 100755
--- a/tests/qemu-iotests/211
+++ b/tests/qemu-iotests/211
@@ -1,9 +1,11 @@
-#!/bin/bash
+#!/usr/bin/env python
 #
 # Test VDI and file image creation
 #
 # Copyright (C) 2018 Red Hat, Inc.
 #
+# Creator/Owner: Kevin Wolf <kwolf@redhat.com>
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation; either version 2 of the License, or
@@ -18,229 +20,157 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 
-# creator
-owner=kwolf@redhat.com
-
-seq=`basename $0`
-echo "QA output created by $seq"
-
-here=`pwd`
-status=1	# failure is the default!
-
-# get standard environment, filters and checks
-. ./common.rc
-. ./common.filter
-
-_supported_fmt vdi
-_supported_proto file
-_supported_os Linux
-
-function do_run_qemu()
-{
-    echo Testing: "$@"
-    $QEMU -nographic -qmp stdio -serial none "$@"
-    echo
-}
-
-function run_qemu()
-{
-    do_run_qemu "$@" 2>&1 | _filter_testdir | _filter_qmp \
-                          | _filter_qemu | _filter_imgfmt \
-                          | _filter_actual_image_size
-}
-
-echo
-echo "=== Successful image creation (defaults) ==="
-echo
-
-size=$((128 * 1024 * 1024))
-
-run_qemu <<EOF
-{ "execute": "qmp_capabilities" }
-{ "execute": "x-blockdev-create",
-  "arguments": {
-      "driver": "file",
-      "filename": "$TEST_IMG",
-      "size": 0
-  }
-}
-{ "execute": "blockdev-add",
-  "arguments": {
-      "driver": "file",
-      "node-name": "imgfile",
-      "filename": "$TEST_IMG"
-  }
-}
-{ "execute": "x-blockdev-create",
-  "arguments": {
-      "driver": "$IMGFMT",
-      "file": "imgfile",
-      "size": $size
-  }
-}
-{ "execute": "quit" }
-EOF
-
-_img_info --format-specific | _filter_img_info --format-specific
-$QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map
-
-echo
-echo "=== Successful image creation (explicit defaults) ==="
-echo
-
-# Choose a different size to show that we got a new image
-size=$((64 * 1024 * 1024))
-
-run_qemu <<EOF
-{ "execute": "qmp_capabilities" }
-{ "execute": "x-blockdev-create",
-  "arguments": {
-      "driver": "file",
-      "filename": "$TEST_IMG",
-      "size": 0
-  }
-}
-{ "execute": "x-blockdev-create",
-  "arguments": {
-      "driver": "$IMGFMT",
-      "file": {
-          "driver": "file",
-          "filename": "$TEST_IMG"
-      },
-      "size": $size,
-      "preallocation": "off"
-  }
-}
-{ "execute": "quit" }
-EOF
-
-_img_info --format-specific | _filter_img_info --format-specific
-$QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map
-
-echo
-echo "=== Successful image creation (with non-default options) ==="
-echo
-
-# Choose a different size to show that we got a new image
-size=$((32 * 1024 * 1024))
-
-run_qemu <<EOF
-{ "execute": "qmp_capabilities" }
-{ "execute": "x-blockdev-create",
-  "arguments": {
-      "driver": "file",
-      "filename": "$TEST_IMG",
-      "size": 0
-  }
-}
-{ "execute": "x-blockdev-create",
-  "arguments": {
-      "driver": "$IMGFMT",
-      "file": {
-          "driver": "file",
-          "filename": "$TEST_IMG"
-      },
-      "size": $size,
-      "preallocation": "metadata"
-  }
-}
-{ "execute": "quit" }
-EOF
-
-_img_info --format-specific | _filter_img_info --format-specific
-$QEMU_IMG map --output=json "$TEST_IMG" | _filter_qemu_img_map
-
-echo
-echo "=== Invalid BlockdevRef ==="
-echo
-
-run_qemu <<EOF
-{ "execute": "qmp_capabilities" }
-{ "execute": "x-blockdev-create",
-  "arguments": {
-      "driver": "$IMGFMT",
-      "file": "this doesn't exist",
-      "size": $size
-  }
-}
-{ "execute": "quit" }
-EOF
-
-echo
-echo "=== Zero size ==="
-echo
-
-run_qemu -blockdev driver=file,filename="$TEST_IMG",node-name=node0 <<EOF
-{ "execute": "qmp_capabilities" }
-{ "execute": "x-blockdev-create",
-  "arguments": {
-      "driver": "$IMGFMT",
-      "file": "node0",
-      "size": 0
-  }
-}
-{ "execute": "quit" }
-EOF
-
-_img_info | _filter_img_info
-
-echo
-echo "=== Maximum size ==="
-echo
-
-run_qemu -blockdev driver=file,filename="$TEST_IMG",node-name=node0 <<EOF
-{ "execute": "qmp_capabilities" }
-{ "execute": "x-blockdev-create",
-  "arguments": {
-      "driver": "$IMGFMT",
-      "file": "node0",
-      "size": 562949819203584
-  }
-}
-{ "execute": "quit" }
-EOF
-
-_img_info | _filter_img_info
-
-echo
-echo "=== Invalid sizes ==="
-echo
-
-# TODO Negative image sizes aren't handled correctly, but this is a problem
-# with QAPI's implementation of the 'size' type and affects other commands as
-# well. Once this is fixed, we may want to add a test case here.
-
-# 1. 2^64 - 512
-# 2. 2^63 = 8 EB (qemu-img enforces image sizes less than this)
-# 3. 0x1fffff8000001 (one byte more than maximum image size for VDI)
-
-run_qemu -blockdev driver=file,filename="$TEST_IMG",node-name=node0 <<EOF
-{ "execute": "qmp_capabilities" }
-{ "execute": "x-blockdev-create",
-  "arguments": {
-      "driver": "$IMGFMT",
-      "file": "node0",
-      "size": 18446744073709551104
-  }
-}
-{ "execute": "x-blockdev-create",
-  "arguments": {
-      "driver": "$IMGFMT",
-      "file": "node0",
-      "size": 9223372036854775808
-  }
-}
-{ "execute": "x-blockdev-create",
-  "arguments": {
-      "driver": "$IMGFMT",
-      "file": "node0",
-      "size": 562949819203585
-  }
-}
-{ "execute": "quit" }
-EOF
-
-# success, all done
-echo "*** done"
-rm -f $seq.full
-status=0
+import iotests
+from iotests import imgfmt
+
+iotests.verify_image_format(supported_fmts=['vdi'])
+iotests.verify_protocol(supported=['file'])
+
+def blockdev_create(vm, options):
+    result = vm.qmp_log('x-blockdev-create', job_id='job0', options=options)
+
+    if 'return' in result:
+        assert result['return'] == {}
+        vm.run_job('job0')
+    iotests.log("")
+
+with iotests.FilePath('t.vdi') as disk_path, \
+     iotests.VM() as vm:
+
+    #
+    # Successful image creation (defaults)
+    #
+    iotests.log("=== Successful image creation (defaults) ===")
+    iotests.log("")
+
+    size = 128 * 1024 * 1024
+
+    vm.launch()
+    blockdev_create(vm, { 'driver': 'file',
+                          'filename': disk_path,
+                          'size': 0 })
+
+    vm.qmp_log('blockdev-add', driver='file', filename=disk_path,
+               node_name='imgfile')
+
+    blockdev_create(vm, { 'driver': imgfmt,
+                          'file': 'imgfile',
+                          'size': size })
+    vm.shutdown()
+
+    iotests.img_info_log(disk_path)
+    iotests.log(iotests.filter_testfiles(iotests.qemu_img_pipe(
+        'map', '--output=json', disk_path)))
+
+    #
+    # Successful image creation (explicit defaults)
+    #
+    iotests.log("=== Successful image creation (explicit defaults) ===")
+    iotests.log("")
+
+    size = 64 * 1024 * 1024
+
+    vm.launch()
+    blockdev_create(vm, { 'driver': 'file',
+                          'filename': disk_path,
+                          'size': 0 })
+    blockdev_create(vm, { 'driver': imgfmt,
+                          'file': {
+                              'driver': 'file',
+                              'filename': disk_path,
+                          },
+                          'size': size,
+                          'preallocation': 'off' })
+    vm.shutdown()
+
+    iotests.img_info_log(disk_path)
+    iotests.log(iotests.filter_testfiles(iotests.qemu_img_pipe(
+        'map', '--output=json', disk_path)))
+
+    #
+    # Successful image creation (with non-default options)
+    #
+    iotests.log("=== Successful image creation (with non-default options) ===")
+    iotests.log("")
+
+    size = 32 * 1024 * 1024
+
+    vm.launch()
+    blockdev_create(vm, { 'driver': 'file',
+                          'filename': disk_path,
+                          'size': 0 })
+    blockdev_create(vm, { 'driver': imgfmt,
+                          'file': {
+                              'driver': 'file',
+                              'filename': disk_path,
+                          },
+                          'size': size,
+                          'preallocation': 'metadata' })
+    vm.shutdown()
+
+    iotests.img_info_log(disk_path)
+    iotests.log(iotests.filter_testfiles(iotests.qemu_img_pipe(
+        'map', '--output=json', disk_path)))
+
+    #
+    # Invalid BlockdevRef
+    #
+    iotests.log("=== Invalid BlockdevRef ===")
+    iotests.log("")
+
+    vm.launch()
+    blockdev_create(vm, { 'driver': imgfmt,
+                          'file': "this doesn't exist",
+                          'size': size })
+    vm.shutdown()
+
+    #
+    # Zero size
+    #
+    iotests.log("=== Zero size ===")
+    iotests.log("")
+
+    vm.add_blockdev('driver=file,filename=%s,node-name=node0' % (disk_path))
+    vm.launch()
+    blockdev_create(vm, { 'driver': imgfmt,
+                          'file': 'node0',
+                          'size': 0 })
+    vm.shutdown()
+
+    iotests.img_info_log(disk_path)
+
+    #
+    # Maximum size
+    #
+    iotests.log("=== Maximum size ===")
+    iotests.log("")
+
+    vm.launch()
+    blockdev_create(vm, { 'driver': imgfmt,
+                          'file': 'node0',
+                          'size': 562949819203584 })
+    vm.shutdown()
+
+    iotests.img_info_log(disk_path)
+
+    #
+    # Invalid sizes
+    #
+
+    # TODO Negative image sizes aren't handled correctly, but this is a problem
+    # with QAPI's implementation of the 'size' type and affects other commands
+    # as well. Once this is fixed, we may want to add a test case here.
+
+    # 1. 2^64 - 512
+    # 2. 2^63 = 8 EB (qemu-img enforces image sizes less than this)
+    # 3. 0x1fffff8000001 (one byte more than maximum image size for VDI)
+
+    iotests.log("=== Invalid sizes ===")
+    iotests.log("")
+
+    vm.launch()
+    for size in [ 18446744073709551104, 9223372036854775808, 562949819203585 ]:
+        blockdev_create(vm, { 'driver': imgfmt,
+                              'file': 'node0',
+                              'size': size })
+    vm.shutdown()
diff --git a/tests/qemu-iotests/211.out b/tests/qemu-iotests/211.out
index 3247bbaa64..31ef74db4c 100644
--- a/tests/qemu-iotests/211.out
+++ b/tests/qemu-iotests/211.out
@@ -1,97 +1,112 @@
-QA output created by 211
-
 === Successful image creation (defaults) ===
 
-Testing:
-QMP_VERSION
-{"return": {}}
-{"return": {}}
-{"return": {}}
-{"return": {}}
-{"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false}}
+{'execute': 'x-blockdev-create', 'arguments': {'job_id': 'job0', 'options': {'size': 0, 'driver': 'file', 'filename': 'TEST_DIR/t.vdi'}}}
+{u'return': {}}
+{'execute': 'job-dismiss', 'arguments': {'id': 'job0'}}
+{u'return': {}}
+
+{'execute': 'blockdev-add', 'arguments': {'node_name': 'imgfile', 'driver': 'file', 'filename': 'TEST_DIR/t.vdi'}}
+{u'return': {}}
+{'execute': 'x-blockdev-create', 'arguments': {'job_id': 'job0', 'options': {'driver': 'vdi', 'file': 'imgfile', 'size': 134217728}}}
+{u'return': {}}
+{'execute': 'job-dismiss', 'arguments': {'id': 'job0'}}
+{u'return': {}}
 
 image: TEST_DIR/t.IMGFMT
 file format: IMGFMT
 virtual size: 128M (134217728 bytes)
+cluster_size: 1048576
+
 [{ "start": 0, "length": 134217728, "depth": 0, "zero": true, "data": false}]
 
 === Successful image creation (explicit defaults) ===
 
-Testing:
-QMP_VERSION
-{"return": {}}
-{"return": {}}
-{"return": {}}
-{"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false}}
+{'execute': 'x-blockdev-create', 'arguments': {'job_id': 'job0', 'options': {'size': 0, 'driver': 'file', 'filename': 'TEST_DIR/t.vdi'}}}
+{u'return': {}}
+{'execute': 'job-dismiss', 'arguments': {'id': 'job0'}}
+{u'return': {}}
+
+{'execute': 'x-blockdev-create', 'arguments': {'job_id': 'job0', 'options': {'preallocation': 'off', 'driver': 'vdi', 'file': {'driver': 'file', 'filename': 'TEST_DIR/t.vdi'}, 'size': 67108864}}}
+{u'return': {}}
+{'execute': 'job-dismiss', 'arguments': {'id': 'job0'}}
+{u'return': {}}
 
 image: TEST_DIR/t.IMGFMT
 file format: IMGFMT
 virtual size: 64M (67108864 bytes)
+cluster_size: 1048576
+
 [{ "start": 0, "length": 67108864, "depth": 0, "zero": true, "data": false}]
 
 === Successful image creation (with non-default options) ===
 
-Testing:
-QMP_VERSION
-{"return": {}}
-{"return": {}}
-{"return": {}}
-{"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false}}
+{'execute': 'x-blockdev-create', 'arguments': {'job_id': 'job0', 'options': {'size': 0, 'driver': 'file', 'filename': 'TEST_DIR/t.vdi'}}}
+{u'return': {}}
+{'execute': 'job-dismiss', 'arguments': {'id': 'job0'}}
+{u'return': {}}
+
+{'execute': 'x-blockdev-create', 'arguments': {'job_id': 'job0', 'options': {'preallocation': 'metadata', 'driver': 'vdi', 'file': {'driver': 'file', 'filename': 'TEST_DIR/t.vdi'}, 'size': 33554432}}}
+{u'return': {}}
+{'execute': 'job-dismiss', 'arguments': {'id': 'job0'}}
+{u'return': {}}
 
 image: TEST_DIR/t.IMGFMT
 file format: IMGFMT
 virtual size: 32M (33554432 bytes)
-[{ "start": 0, "length": 3072, "depth": 0, "zero": false, "data": true, "offset": OFFSET},
-{ "start": 3072, "length": 33551360, "depth": 0, "zero": true, "data": true, "offset": OFFSET}]
+cluster_size: 1048576
 
-=== Invalid BlockdevRef ===
+[{ "start": 0, "length": 3072, "depth": 0, "zero": false, "data": true, "offset": 1024},
+{ "start": 3072, "length": 33551360, "depth": 0, "zero": true, "data": true, "offset": 4096}]
 
-Testing:
-QMP_VERSION
-{"return": {}}
-{"error": {"class": "GenericError", "desc": "Cannot find device=this doesn't exist nor node_name=this doesn't exist"}}
-{"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false}}
+=== Invalid BlockdevRef ===
 
+{'execute': 'x-blockdev-create', 'arguments': {'job_id': 'job0', 'options': {'driver': 'vdi', 'file': "this doesn't exist", 'size': 33554432}}}
+{u'return': {}}
+Job failed: Cannot find device=this doesn't exist nor node_name=this doesn't exist
+{'execute': 'job-dismiss', 'arguments': {'id': 'job0'}}
+{u'return': {}}
 
 === Zero size ===
 
-Testing: -blockdev driver=file,filename=TEST_DIR/t.IMGFMT,node-name=node0
-QMP_VERSION
-{"return": {}}
-{"return": {}}
-{"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false}}
+{'execute': 'x-blockdev-create', 'arguments': {'job_id': 'job0', 'options': {'driver': 'vdi', 'file': 'node0', 'size': 0}}}
+{u'return': {}}
+{'execute': 'job-dismiss', 'arguments': {'id': 'job0'}}
+{u'return': {}}
 
 image: TEST_DIR/t.IMGFMT
 file format: IMGFMT
 virtual size: 0 (0 bytes)
+cluster_size: 1048576
 
 === Maximum size ===
 
-Testing: -blockdev driver=file,filename=TEST_DIR/t.IMGFMT,node-name=node0
-QMP_VERSION
-{"return": {}}
-{"return": {}}
-{"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false}}
+{'execute': 'x-blockdev-create', 'arguments': {'job_id': 'job0', 'options': {'driver': 'vdi', 'file': 'node0', 'size': 562949819203584}}}
+{u'return': {}}
+{'execute': 'job-dismiss', 'arguments': {'id': 'job0'}}
+{u'return': {}}
 
 image: TEST_DIR/t.IMGFMT
 file format: IMGFMT
 virtual size: 512T (562949819203584 bytes)
+cluster_size: 1048576
 
 === Invalid sizes ===
 
-Testing: -blockdev driver=file,filename=TEST_DIR/t.IMGFMT,node-name=node0
-QMP_VERSION
-{"return": {}}
-{"error": {"class": "GenericError", "desc": "Unsupported VDI image size (size is 0xfffffffffffffe00, max supported is 0x1fffff8000000)"}}
-{"error": {"class": "GenericError", "desc": "Unsupported VDI image size (size is 0x8000000000000000, max supported is 0x1fffff8000000)"}}
-{"error": {"class": "GenericError", "desc": "Unsupported VDI image size (size is 0x1fffff8000001, max supported is 0x1fffff8000000)"}}
-{"return": {}}
-{"timestamp": {"seconds":  TIMESTAMP, "microseconds":  TIMESTAMP}, "event": "SHUTDOWN", "data": {"guest": false}}
+{'execute': 'x-blockdev-create', 'arguments': {'job_id': 'job0', 'options': {'driver': 'vdi', 'file': 'node0', 'size': 18446744073709551104L}}}
+{u'return': {}}
+Job failed: Unsupported VDI image size (size is 0xfffffffffffffe00, max supported is 0x1fffff8000000)
+{'execute': 'job-dismiss', 'arguments': {'id': 'job0'}}
+{u'return': {}}
+
+{'execute': 'x-blockdev-create', 'arguments': {'job_id': 'job0', 'options': {'driver': 'vdi', 'file': 'node0', 'size': 9223372036854775808L}}}
+{u'return': {}}
+Job failed: Unsupported VDI image size (size is 0x8000000000000000, max supported is 0x1fffff8000000)
+{'execute': 'job-dismiss', 'arguments': {'id': 'job0'}}
+{u'return': {}}
+
+{'execute': 'x-blockdev-create', 'arguments': {'job_id': 'job0', 'options': {'driver': 'vdi', 'file': 'node0', 'size': 562949819203585}}}
+{u'return': {}}
+Job failed: Unsupported VDI image size (size is 0x1fffff8000001, max supported is 0x1fffff8000000)
+{'execute': 'job-dismiss', 'arguments': {'id': 'job0'}}
+{u'return': {}}
 
-*** done
diff --git a/tests/qemu-iotests/group b/tests/qemu-iotests/group
index a1d04ce367..4182bccccc 100644
--- a/tests/qemu-iotests/group
+++ b/tests/qemu-iotests/group
@@ -209,9 +209,9 @@
 208 rw auto quick
 209 rw auto quick
 210 rw auto
+211 rw auto quick
 # TODO The following commented out tests need to be reworked to work
 # with the x-blockdev-create job
-#211 rw auto quick
 #212 rw auto quick
 #213 rw auto quick
 214 rw auto