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GET /api/1.0/patches/2219332/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 2219332,
    "url": "http://patchwork.ozlabs.org/api/1.0/patches/2219332/?format=api",
    "project": {
        "id": 14,
        "url": "http://patchwork.ozlabs.org/api/1.0/projects/14/?format=api",
        "name": "QEMU Development",
        "link_name": "qemu-devel",
        "list_id": "qemu-devel.nongnu.org",
        "list_email": "qemu-devel@nongnu.org",
        "web_url": "",
        "scm_url": "",
        "webscm_url": ""
    },
    "msgid": "<20260402-work-qmp-monitor-hotplug-v1-4-6313a5cdd574@kernel.org>",
    "date": "2026-04-02T21:19:19",
    "name": "[4/5] tests/qtest: add tests for dynamic monitor add/remove",
    "commit_ref": null,
    "pull_url": null,
    "state": "new",
    "archived": false,
    "hash": "2c25a9ebd6336bfa36f760149e0fdd484f2c7874",
    "submitter": {
        "id": 82326,
        "url": "http://patchwork.ozlabs.org/api/1.0/people/82326/?format=api",
        "name": "Christian Brauner",
        "email": "brauner@kernel.org"
    },
    "delegate": null,
    "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260402-work-qmp-monitor-hotplug-v1-4-6313a5cdd574@kernel.org/mbox/",
    "series": [
        {
            "id": 498554,
            "url": "http://patchwork.ozlabs.org/api/1.0/series/498554/?format=api",
            "date": "2026-04-02T21:19:15",
            "name": "monitor: add dynamic QMP monitor hotplug support",
            "version": 1,
            "mbox": "http://patchwork.ozlabs.org/series/498554/mbox/"
        }
    ],
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/2219332/checks/",
    "tags": {},
    "headers": {
        "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>",
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        ],
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org;\n s=k20201202; t=1775164780;\n bh=iW8amckai9wBk7Cc1O5sdHXXZB8WiWGJCBtSEG3XdSc=;\n h=From:Date:Subject:References:In-Reply-To:To:Cc:From;\n b=kQIipvI6q54M6Nlu4GTAMqULqdXDMsArd03joVOfD3mG+R6wQM8WKfFrabTi/wcjT\n oEQOndakkChEae0X3FpW0/q78TRMp9KcBPOH8snRbeTzPbPch0/CU0GQTusQsE8aK/\n zC9I4UCg8aXF0qqduPRJcoKWWEMFXohkqTm7Dg4eijMqEzW4M4rbDSByGB1bdcOgqZ\n ZRg3ZX2I3jTFXEyTbHXglivbe8IMYfHn+0ghY6HCIr3Xuk0d9y2Ht0XKhIq5PkiMBV\n wQzGSqXQbjexmDIRSVcku9rfTQ7NPme98uiWWbVdmJNbYofFSVYNhgFtJlrx8xPYsf\n J88rQ+LikFPig==",
        "From": "Christian Brauner <brauner@kernel.org>",
        "Date": "Thu, 02 Apr 2026 23:19:19 +0200",
        "Subject": "[PATCH 4/5] tests/qtest: add tests for dynamic monitor add/remove",
        "MIME-Version": "1.0",
        "Content-Type": "text/plain; charset=\"utf-8\"",
        "Content-Transfer-Encoding": "7bit",
        "Message-Id": "<20260402-work-qmp-monitor-hotplug-v1-4-6313a5cdd574@kernel.org>",
        "References": "<20260402-work-qmp-monitor-hotplug-v1-0-6313a5cdd574@kernel.org>",
        "In-Reply-To": "<20260402-work-qmp-monitor-hotplug-v1-0-6313a5cdd574@kernel.org>",
        "To": "qemu-devel@nongnu.org",
        "Cc": "Markus Armbruster <armbru@redhat.com>, Eric Blake <eblake@redhat.com>,\n  Fabiano Rosas <farosas@suse.de>, Laurent Vivier <lvivier@redhat.com>,\n  Paolo Bonzini <pbonzini@redhat.com>, Thomas Huth <th.huth+qemu@posteo.eu>,\n\t=?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= <philmd@linaro.org>, =?utf-8?q?Dani?=\n\t=?utf-8?q?el_P=2E_Berrang=C3=A9?= <berrange@redhat.com>,\n  Christian Brauner <brauner@kernel.org>",
        "X-Mailer": "b4 0.16-dev",
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        "X-Spam_bar": "--",
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        "List-Id": "qemu development <qemu-devel.nongnu.org>",
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        "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"
    },
    "content": "Test the monitor-add, monitor-remove, and query-monitors QMP commands:\n\n- Basic lifecycle: chardev-add -> monitor-add -> query-monitors ->\n  monitor-remove -> chardev-remove\n- Error: duplicate monitor id\n- Error: monitor-remove on nonexistent id\n- Error: monitor-add with nonexistent chardev\n- Re-add after remove: same id and chardev reusable after removal\n\nSigned-off-by: Christian Brauner (Amutable) <brauner@kernel.org>\n---\n tests/qtest/qmp-test.c | 101 +++++++++++++++++++++++++++++++++++++++++++++++++\n 1 file changed, 101 insertions(+)",
    "diff": "diff --git a/tests/qtest/qmp-test.c b/tests/qtest/qmp-test.c\nindex edf0886787..9dbd3a6103 100644\n--- a/tests/qtest/qmp-test.c\n+++ b/tests/qtest/qmp-test.c\n@@ -337,6 +337,105 @@ static void test_qmp_missing_any_arg(void)\n     qtest_quit(qts);\n }\n \n+static void test_qmp_monitor_add_remove(void)\n+{\n+    QTestState *qts;\n+    QDict *resp;\n+\n+    qts = qtest_init(common_args);\n+\n+    /* Create a null chardev for the dynamic monitor */\n+    resp = qtest_qmp(qts,\n+                     \"{'execute': 'chardev-add',\"\n+                     \" 'arguments': {'id': 'monitor-chardev',\"\n+                     \"               'backend': {'type': 'null',\"\n+                     \"                           'data': {}}}}\");\n+    g_assert(qdict_haskey(resp, \"return\"));\n+    qobject_unref(resp);\n+\n+    /* Add a dynamic monitor */\n+    resp = qtest_qmp(qts,\n+                     \"{'execute': 'monitor-add',\"\n+                     \" 'arguments': {'id': 'dyn-mon',\"\n+                     \"               'chardev': 'monitor-chardev'}}\");\n+    g_assert(qdict_haskey(resp, \"return\"));\n+    qobject_unref(resp);\n+\n+    /* Verify it shows up in query-monitors */\n+    resp = qtest_qmp(qts, \"{'execute': 'query-monitors'}\");\n+    g_assert(!qdict_haskey(resp, \"error\"));\n+    qobject_unref(resp);\n+\n+    /* Error: duplicate id */\n+    resp = qtest_qmp(qts,\n+                     \"{'execute': 'monitor-add',\"\n+                     \" 'arguments': {'id': 'dyn-mon',\"\n+                     \"               'chardev': 'monitor-chardev'}}\");\n+    qmp_expect_error_and_unref(resp, \"GenericError\");\n+\n+    /* Remove the dynamic monitor */\n+    resp = qtest_qmp(qts,\n+                     \"{'execute': 'monitor-remove',\"\n+                     \" 'arguments': {'id': 'dyn-mon'}}\");\n+    g_assert(qdict_haskey(resp, \"return\"));\n+    qobject_unref(resp);\n+\n+    /* Error: remove nonexistent */\n+    resp = qtest_qmp(qts,\n+                     \"{'execute': 'monitor-remove',\"\n+                     \" 'arguments': {'id': 'dyn-mon'}}\");\n+    qmp_expect_error_and_unref(resp, \"GenericError\");\n+\n+    /* Error: remove CLI monitor (the default one) -- find its id first.\n+     * CLI monitors typically have no id, so use a bogus id to test. */\n+\n+    /* Add again after remove -- same id and chardev should work */\n+    resp = qtest_qmp(qts,\n+                     \"{'execute': 'monitor-add',\"\n+                     \" 'arguments': {'id': 'dyn-mon',\"\n+                     \"               'chardev': 'monitor-chardev'}}\");\n+    g_assert(qdict_haskey(resp, \"return\"));\n+    qobject_unref(resp);\n+\n+    /* Clean up */\n+    resp = qtest_qmp(qts,\n+                     \"{'execute': 'monitor-remove',\"\n+                     \" 'arguments': {'id': 'dyn-mon'}}\");\n+    g_assert(qdict_haskey(resp, \"return\"));\n+    qobject_unref(resp);\n+\n+    resp = qtest_qmp(qts,\n+                     \"{'execute': 'chardev-remove',\"\n+                     \" 'arguments': {'id': 'monitor-chardev'}}\");\n+    g_assert(qdict_haskey(resp, \"return\"));\n+    qobject_unref(resp);\n+\n+    qtest_quit(qts);\n+}\n+\n+static void test_qmp_monitor_error_paths(void)\n+{\n+    QTestState *qts;\n+    QDict *resp;\n+\n+    qts = qtest_init(common_args);\n+\n+    /* Error: chardev does not exist */\n+    resp = qtest_qmp(qts,\n+                     \"{'execute': 'monitor-add',\"\n+                     \" 'arguments': {'id': 'bad-mon',\"\n+                     \"               'chardev': 'nonexistent'}}\");\n+    qmp_expect_error_and_unref(resp, \"GenericError\");\n+\n+    /* Error: remove nonexistent monitor */\n+    resp = qtest_qmp(qts,\n+                     \"{'execute': 'monitor-remove',\"\n+                     \" 'arguments': {'id': 'bogus'}}\");\n+    qmp_expect_error_and_unref(resp, \"GenericError\");\n+\n+    qtest_quit(qts);\n+}\n+\n int main(int argc, char *argv[])\n {\n     g_test_init(&argc, &argv, NULL);\n@@ -348,6 +447,8 @@ int main(int argc, char *argv[])\n #endif\n     qtest_add_func(\"qmp/preconfig\", test_qmp_preconfig);\n     qtest_add_func(\"qmp/missing-any-arg\", test_qmp_missing_any_arg);\n+    qtest_add_func(\"qmp/monitor-add-remove\", test_qmp_monitor_add_remove);\n+    qtest_add_func(\"qmp/monitor-error-paths\", test_qmp_monitor_error_paths);\n \n     return g_test_run();\n }\n",
    "prefixes": [
        "4/5"
    ]
}