On 08/01/2017 07:17 AM, Marek Marczykowski-Górecki wrote:
From: Jim Fehlig <jfeh...@suse.com>

The libxl library allows a libxl_domain_config object to be serialized
from/to a JSON string. Use this to allow testing of the XML to
libxl_domain_config conversion process. Test XML is converted to
libxl_domain_config, which is then serialized to json. A json template
corresponding to the test XML is converted to a libxl_domain_config
object using libxl_domain_config_from_json(), and then serialized
back to json using libxl_domain_config_to_json(). The two json
docs are then compared.

Using libxl to convert the json template to a libxl_domain_config
object and then back to json provides a simple way to account for
any changes or additions to the json representation across Xen
releases.

Signed-off-by: Jim Fehlig <jfeh...@suse.com>
[update to v3.5.0-rc1, improve error reporting, use /bin/true emulator]
Signed-off-by: Marek Marczykowski-Górecki <marma...@invisiblethingslab.com>
---
  m4/virt-driver-libxl.m4                        |   6 +-
  tests/Makefile.am                              |  18 +-
  tests/libxlxml2domconfigdata/basic-hvm.json    |  89 ++++++++-
  tests/libxlxml2domconfigdata/basic-hvm.xml     |  36 +++-
  tests/libxlxml2domconfigdata/basic-pv.json     |  65 ++++++-
  tests/libxlxml2domconfigdata/basic-pv.xml      |  28 ++-
  tests/libxlxml2domconfigdata/moredevs-hvm.json | 111 ++++++++++-
  tests/libxlxml2domconfigdata/moredevs-hvm.xml  |  63 ++++++-
  tests/libxlxml2domconfigtest.c                 | 205 ++++++++++++++++++-
  tests/virmocklibxl.c                           |  87 ++++++++-
  10 files changed, 705 insertions(+), 3 deletions(-)
  create mode 100644 tests/libxlxml2domconfigdata/basic-hvm.json
  create mode 100644 tests/libxlxml2domconfigdata/basic-hvm.xml
  create mode 100644 tests/libxlxml2domconfigdata/basic-pv.json
  create mode 100644 tests/libxlxml2domconfigdata/basic-pv.xml
  create mode 100644 tests/libxlxml2domconfigdata/moredevs-hvm.json
  create mode 100644 tests/libxlxml2domconfigdata/moredevs-hvm.xml
  create mode 100644 tests/libxlxml2domconfigtest.c
  create mode 100644 tests/virmocklibxl.c

diff --git a/m4/virt-driver-libxl.m4 b/m4/virt-driver-libxl.m4
index 96a9d47..3d635f0 100644
--- a/m4/virt-driver-libxl.m4
+++ b/m4/virt-driver-libxl.m4
@@ -35,7 +35,7 @@ AC_DEFUN([LIBVIRT_DRIVER_CHECK_LIBXL], [
    if test "x$with_libxl" = "xyes" ; then
      LIBXL_FIRMWARE_DIR=$($PKG_CONFIG --variable xenfirmwaredir xenlight)
      LIBXL_EXECBIN_DIR=$($PKG_CONFIG --variable libexec_bin xenlight)
-  fi
+ fi

Opps, a spurious whitespace change. I've fixed it.

dnl pkgconfig file not found, fallback to lib probe
    if test "x$with_libxl" = "xno" ; then
@@ -80,6 +80,10 @@ AC_DEFUN([LIBVIRT_DRIVER_CHECK_LIBXL], [
        LIBXL_LIBS="$LIBXL_LIBS -lxenctrl"
      ])
+ dnl Check if libxl_domain_config_from_json is available for domXML to
+    dnl libxl_domain_config tests
+    LIBS="$LIBS -lxenlight -lxenctrl"
+    AC_CHECK_FUNCS([libxl_domain_config_from_json])
      CFLAGS="$old_CFLAGS"
      LIBS="$old_LIBS"
    fi
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 3e3d580..49b9d40 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -99,6 +99,7 @@ EXTRA_DIST =          \
        genericxml2xmlindata \
        genericxml2xmloutdata \
        interfaceschemadata \
+       libxlxml2domconfigdata \
        lxcconf2xmldata \
        lxcxml2xmldata \
        lxcxml2xmloutdata \
@@ -271,7 +272,8 @@ test_programs += xml2sexprtest sexpr2xmltest \
  endif WITH_XEN
if WITH_LIBXL
-test_programs += xlconfigtest
+test_programs += xlconfigtest libxlxml2domconfigtest
+test_libraries += virmocklibxl.la
  endif WITH_LIBXL
if WITH_QEMU
@@ -528,8 +530,20 @@ xlconfigtest_SOURCES = \
        xlconfigtest.c testutilsxen.c testutilsxen.h \
        testutils.c testutils.h
  xlconfigtest_LDADD =$(libxl_LDADDS)
+
+libxlxml2domconfigtest_SOURCES = \
+       libxlxml2domconfigtest.c testutilsxen.c testutilsxen.h \
+       testutils.c testutils.h
+libxlxml2domconfigtest_LDADD = $(libxl_LDADDS) $(LIBXML_LIBS)
+
+virmocklibxl_la_SOURCES = \
+       virmocklibxl.c
+virmocklibxl_la_CFLAGS = $(AM_CFLAGS)
+virmocklibxl_la_LDFLAGS = -module -avoid-version \
+        -rpath /evil/libtool/hack/to/force/shared/lib/creation

In the meantime MOCKLIBS_{LDFLAGS,LIBADD} have been added for the mock linker options. I've changed this to

virmocklibxl_la_LDFLAGS = $(MOCKLIBS_LDFLAGS)
virmocklibxl_la_LIBADD = $(MOCKLIBS_LIBS)

+
  else ! WITH_LIBXL
-EXTRA_DIST += xlconfigtest.c
+EXTRA_DIST += xlconfigtest.c libxlxml2domconfigtest.c
  endif ! WITH_LIBXL
QEMUMONITORTESTUTILS_SOURCES = \
diff --git a/tests/libxlxml2domconfigdata/basic-hvm.json 
b/tests/libxlxml2domconfigdata/basic-hvm.json
new file mode 100644
index 0000000..6fa41f3
--- /dev/null
+++ b/tests/libxlxml2domconfigdata/basic-hvm.json
@@ -0,0 +1,89 @@
+{
+    "c_info": {
+        "type": "hvm",
+        "name": "test-hvm",
+        "uuid": "2147d599-9cc6-c0dc-92ab-4064b5446e9b"
+    },
+    "b_info": {
+        "max_vcpus": 4,
+        "avail_vcpus": [
+            0,
+            1,
+            2,
+            3
+        ],
+        "max_memkb": 1048576,
+        "target_memkb": 1048576,
+        "video_memkb": 8192,
+        "shadow_memkb": 12288,
+        "device_model_version": "qemu_xen",
+        "device_model": "/bin/true",
+        "sched_params": {
+            "weight": 1000
+        },
+        "type.hvm": {
+            "pae": "True",
+            "apic": "True",
+            "acpi": "True",
+            "vga": {
+                "kind": "cirrus"
+            },
+            "vnc": {
+                "enable": "True",
+                "listen": "0.0.0.0",
+                "findunused": "False"
+            },
+            "sdl": {
+                "enable": "False"
+            },
+            "spice": {
+
+            },
+            "boot": "c",
+            "rdm": {
+
+            }
+        },
+        "arch_arm": {
+
+        }
+    },
+    "disks": [
+        {
+            "pdev_path": "/var/lib/xen/images/test-hvm.img",
+            "vdev": "hda",
+            "backend": "qdisk",
+            "format": "raw",
+            "removable": 1,
+            "readwrite": 1
+        }
+    ],
+    "nics": [
+        {
+            "devid": 0,
+            "mac": "00:16:3e:66:12:b4",
+            "bridge": "br0",
+            "script": "/etc/xen/scripts/vif-bridge",
+            "nictype": "vif_ioemu"
+        }
+    ],
+    "vfbs": [
+        {
+           "devid": -1,
+            "vnc": {
+                "enable": "True",
+                "listen": "0.0.0.0",
+                "findunused": "False"
+            },
+            "sdl": {
+                "enable": "False"
+            }
+        }
+    ],
+    "vkbs": [
+        {
+            "devid": -1
+        }
+    ],
+    "on_reboot": "restart"
+}
diff --git a/tests/libxlxml2domconfigdata/basic-hvm.xml 
b/tests/libxlxml2domconfigdata/basic-hvm.xml
new file mode 100644
index 0000000..d8cd2a2
--- /dev/null
+++ b/tests/libxlxml2domconfigdata/basic-hvm.xml
@@ -0,0 +1,36 @@
+<domain type='xen'>
+  <name>test-hvm</name>
+  <description>None</description>
+  <uuid>2147d599-9cc6-c0dc-92ab-4064b5446e9b</uuid>
+  <memory>1048576</memory>
+  <currentMemory>1048576</currentMemory>
+  <vcpu>4</vcpu>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <clock sync='utc'/>
+  <os>
+    <type>hvm</type>
+    <loader>/usr/lib/xen/boot/hvmloader</loader>
+    <boot dev='hd'/>
+  </os>
+  <features>
+    <apic/>
+    <acpi/>
+    <pae/>
+  </features>
+  <devices>
+    <emulator>/bin/true</emulator>
+    <disk type='file' device='disk'>
+      <driver name='qemu'/>
+      <source file='/var/lib/xen/images/test-hvm.img'/>
+      <target dev='hda'/>
+    </disk>
+    <interface type='bridge'>
+      <source bridge='br0'/>
+      <mac address='00:16:3e:66:12:b4'/>
+      <script path='/etc/xen/scripts/vif-bridge'/>
+    </interface>
+    <graphics type='vnc' port='-1' autoport='yes' listen='0.0.0.0'/>
+  </devices>
+</domain>
diff --git a/tests/libxlxml2domconfigdata/basic-pv.json 
b/tests/libxlxml2domconfigdata/basic-pv.json
new file mode 100644
index 0000000..7e1abd3
--- /dev/null
+++ b/tests/libxlxml2domconfigdata/basic-pv.json
@@ -0,0 +1,65 @@
+{
+    "c_info": {
+        "type": "pv",
+        "name": "test-pv",
+        "uuid": "039e9ee6-4a84-3055-4c81-8ba426ae2656"
+    },
+    "b_info": {
+        "max_vcpus": 4,
+        "avail_vcpus": [
+            0,
+            1,
+            2,
+            3
+        ],
+        "max_memkb": 524288,
+        "target_memkb": 524288,
+        "sched_params": {
+            "weight": 1000
+        },
+        "type.pv": {
+            "bootloader": "pygrub"
+        },
+        "arch_arm": {
+
+        }
+    },
+    "disks": [
+        {
+            "pdev_path": "/var/lib/xen/images/test-pv.img",
+            "vdev": "xvda",
+            "backend": "qdisk",
+            "format": "raw",
+            "removable": 1,
+            "readwrite": 1
+        }
+    ],
+    "nics": [
+        {
+            "devid": 0,
+            "mac": "00:16:3e:3e:86:60",
+            "bridge": "br0",
+            "script": "/etc/xen/scripts/vif-bridge",
+            "nictype": "vif"
+        }
+    ],
+    "vfbs": [
+        {
+           "devid": -1,
+            "vnc": {
+                "enable": "True",
+                "listen": "0.0.0.0",
+                "findunused": "False"
+            },
+            "sdl": {
+                "enable": "False"
+            }
+        }
+    ],
+    "vkbs": [
+        {
+           "devid": -1
+        }
+    ],
+    "on_reboot": "restart"
+}
diff --git a/tests/libxlxml2domconfigdata/basic-pv.xml 
b/tests/libxlxml2domconfigdata/basic-pv.xml
new file mode 100644
index 0000000..b3bc601
--- /dev/null
+++ b/tests/libxlxml2domconfigdata/basic-pv.xml
@@ -0,0 +1,28 @@
+<domain type='xen'>
+  <name>test-pv</name>
+  <uuid>039e9ee6-4a84-3055-4c81-8ba426ae2656</uuid>
+  <memory>524288</memory>
+  <currentMemory>524288</currentMemory>
+  <vcpu>4</vcpu>
+  <bootloader>pygrub</bootloader>
+  <os>
+    <type arch='i686' machine='xenpv'>linux</type>

I changed the arch to x86_64 since there is no i686 machine in the XL test caps. (Note the change below to use XL test caps instead of the old xend-based ones.)

+  </os>
+  <clock offset='utc'/>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <devices>
+    <disk type='file' device='disk'>
+      <driver name='qemu'/>
+      <source file='/var/lib/xen/images/test-pv.img'/>
+      <target dev='xvda'/>
+    </disk>
+    <interface type='bridge'>
+      <source bridge='br0'/>
+      <mac address='00:16:3e:3e:86:60'/>
+      <script path='/etc/xen/scripts/vif-bridge'/>
+    </interface>
+    <graphics type='vnc' port='-1' autoport='yes' listen='0.0.0.0'/>
+  </devices>
+</domain>
diff --git a/tests/libxlxml2domconfigdata/moredevs-hvm.json 
b/tests/libxlxml2domconfigdata/moredevs-hvm.json
new file mode 100644
index 0000000..8f861f3
--- /dev/null
+++ b/tests/libxlxml2domconfigdata/moredevs-hvm.json
@@ -0,0 +1,111 @@
+{
+    "c_info": {
+        "type": "hvm",
+        "hap": "True",
+        "name": "test-hvm",
+        "uuid": "2147d599-9cc6-c0dc-92ab-4064b5446e9b"
+    },
+    "b_info": {
+        "max_vcpus": 4,
+        "avail_vcpus": [
+            0,
+            1,
+            2,
+            3
+        ],
+        "tsc_mode": "native",
+        "max_memkb": 1048576,
+        "target_memkb": 1048576,
+        "video_memkb": 8192,
+        "shadow_memkb": 12288,
+        "device_model_version": "qemu_xen",
+        "device_model": "/bin/true",
+        "sched_params": {
+            "weight": 1000
+        },
+        "type.hvm": {
+            "pae": "True",
+            "apic": "True",
+            "acpi": "True",
+            "hpet": "True",
+            "vga": {
+                "kind": "cirrus"
+            },
+            "vnc": {
+                "enable": "True",
+                "findunused": "False"
+            },
+            "sdl": {
+                "enable": "False"
+            },
+            "spice": {
+
+            },
+            "serial": "pty",
+            "boot": "c",
+            "usbdevice_list": [
+                "mouse",
+                "tablet"
+            ],
+            "rdm": {
+
+            }
+        },
+        "arch_arm": {
+
+        }
+    },
+    "disks": [
+        {
+            "pdev_path": "/var/lib/xen/images/test-hvm.img",
+            "vdev": "hda",
+            "backend": "qdisk",
+            "format": "raw",
+            "removable": 1,
+            "readwrite": 1
+        },
+        {
+            "pdev_path": "/root/boot.iso",
+            "vdev": "hdb",
+            "backend": "qdisk",
+            "format": "raw",
+            "removable": 1,
+            "is_cdrom": 1
+        }
+    ],
+    "nics": [
+        {
+            "devid": 0,
+            "model": "netfront",
+            "mac": "00:16:3e:7a:35:ce",
+            "bridge": "br0",
+            "script": "/etc/xen/scripts/vif-bridge",
+            "nictype": "vif"
+        }
+    ],
+    "pcidevs": [
+        {
+            "dev": 16,
+            "bus": 10,
+           "rdm_policy": "invalid"
+        }
+    ],
+    "vfbs": [
+        {
+           "devid": -1,
+            "vnc": {
+                "enable": "True",
+                "findunused": "False"
+            },
+            "sdl": {
+                "enable": "False"
+            }
+        }
+    ],
+    "vkbs": [
+        {
+           "devid": -1
+        }
+    ],
+    "on_reboot": "restart"
+}
diff --git a/tests/libxlxml2domconfigdata/moredevs-hvm.xml 
b/tests/libxlxml2domconfigdata/moredevs-hvm.xml
new file mode 100644
index 0000000..f7eb09f
--- /dev/null
+++ b/tests/libxlxml2domconfigdata/moredevs-hvm.xml
@@ -0,0 +1,63 @@
+<domain type='xen'>
+  <name>test-hvm</name>
+  <description>None</description>
+  <uuid>2147d599-9cc6-c0dc-92ab-4064b5446e9b</uuid>
+  <memory>1048576</memory>
+  <currentMemory>1048576</currentMemory>
+  <vcpu>4</vcpu>
+  <on_poweroff>destroy</on_poweroff>
+  <on_reboot>restart</on_reboot>
+  <on_crash>destroy</on_crash>
+  <clock offset='variable' adjustment='0' basis='utc'>
+    <timer name='tsc' present='yes' mode='native'/>
+    <timer name='hpet' present='yes'/>
+  </clock>
+  <os>
+    <type>hvm</type>
+    <loader>/usr/lib/xen/boot/hvmloader</loader>
+    <boot dev='hd'/>
+  </os>
+  <features>
+    <apic/>
+    <acpi/>
+    <pae/>
+    <hap/>
+  </features>
+  <devices>
+    <emulator>/bin/true</emulator>
+    <disk type='file' device='disk'>
+      <driver name='qemu' type='raw' cache='default'/>
+      <source file='/var/lib/xen/images/test-hvm.img'/>
+      <target dev='hda'/>
+    </disk>
+    <disk type='file' device='cdrom'>
+      <driver name='qemu' type='raw' cache='default'/>
+      <source file='/root/boot.iso'/>
+      <target dev='hdb'/>
+    </disk>
+    <interface type='bridge'>
+      <source bridge='br0'/>
+      <mac address='00:16:3e:7a:35:ce'/>
+      <script path='/etc/xen/scripts/vif-bridge'/>
+      <model type='netfront'/>
+    </interface>
+    <interface type='hostdev' managed='yes'>
+      <mac address='00:16:3e:2e:e7:fc'/>
+      <driver name='xen'/>
+      <source>
+        <address type='pci' domain='0x0000' bus='0x0a' slot='0x10' 
function='0x0'/>
+      </source>
+    </interface>
+    <graphics type='vnc'/>
+    <video>
+      <model type='cirrus' vram='8192' heads='1' primary='yes'/>
+    </video>
+    <console type='pty'>
+      <target port='0'/>
+    </console>
+    <input type='mouse' bus='usb'/>
+    <input type='tablet' bus='usb'/>
+    <input type='mouse' bus='ps2'/>
+    <input type='keyboard' bus='ps2'/>
+  </devices>
+</domain>
diff --git a/tests/libxlxml2domconfigtest.c b/tests/libxlxml2domconfigtest.c
new file mode 100644
index 0000000..d943cf2
--- /dev/null
+++ b/tests/libxlxml2domconfigtest.c
@@ -0,0 +1,205 @@
+/*
+ * libxlxml2domconfigtest.c: test conversion of domXML to
+ * libxl_domain_config structure.
+ *
+ * Copyright (C) 2017 SUSE LINUX Products GmbH, Nuernberg, Germany.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.  If not, see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * Author: Jim Fehlig <jfeh...@suse.com>
+ */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+
+#include <sys/types.h>
+#include <fcntl.h>
+
+#include "testutils.h"
+
+#if defined(WITH_LIBXL) && defined(WITH_YAJL) && 
defined(HAVE_LIBXL_DOMAIN_CONFIG_FROM_JSON)
+
+# include "internal.h"
+# include "viralloc.h"
+# include "libxl/libxl_conf.h"
+# include "datatypes.h"
+# include "virstring.h"
+# include "virmock.h"
+# include "virjson.h"
+# include "testutilsxen.h"
+
+# define VIR_FROM_THIS VIR_FROM_LIBXL
+
+static const char *abs_top_srcdir;
+static virCapsPtr xencaps;

I shortened this to 'caps', similar to other test files.

+
+static int
+testCompareXMLToDomConfig(const char *xmlfile,
+                          const char *jsonfile)
+{
+    int ret = -1;
+    libxl_domain_config actualconfig;
+    libxl_domain_config expectconfig;
+    xentoollog_logger *log = NULL;
+    libxl_ctx *ctx = NULL;
+    virPortAllocatorPtr gports = NULL;
+    virDomainXMLOptionPtr xmlopt = NULL;
+    virDomainDefPtr vmdef = NULL;
+    char *actualjson = NULL;
+    char *tempjson = NULL;
+    char *expectjson = NULL;
+
+    libxl_domain_config_init(&actualconfig);
+    libxl_domain_config_init(&expectconfig);
+
+    if (!(log = (xentoollog_logger *)xtl_createlogger_stdiostream(stderr, 
XTL_DEBUG, 0)))
+        goto cleanup;
+
+    if (libxl_ctx_alloc(&ctx, LIBXL_VERSION, 0, log) < 0)
+        goto cleanup;
+
+    if (!(gports = virPortAllocatorNew("vnc", 5900, 6000,
+                                       VIR_PORT_ALLOCATOR_SKIP_BIND_CHECK)))
+        goto cleanup;
+
+    if (!(xmlopt = libxlCreateXMLConf()))
+        goto cleanup;
+
+    if (!(vmdef = virDomainDefParseFile(xmlfile, xencaps, xmlopt,
+                                        NULL, VIR_DOMAIN_XML_INACTIVE)))
+        goto cleanup;
+
+    if (libxlBuildDomainConfig(gports, vmdef, NULL, ctx, xencaps, &actualconfig) 
< 0)
+        goto cleanup;
+
+    if (!(actualjson = libxl_domain_config_to_json(ctx, &actualconfig))) {
+        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+                       "Failed to retrieve JSON doc for libxl_domain_config");
+        goto cleanup;
+    }
+
+    virTestLoadFile(jsonfile, &tempjson);
+    if (libxl_domain_config_from_json(ctx, &expectconfig, tempjson) != 0) {
+        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+                       "Failed to create libxl_domain_config from JSON doc");
+        goto cleanup;
+    }
+    if (!(expectjson = libxl_domain_config_to_json(ctx, &expectconfig))) {
+        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+                       "Failed to retrieve JSON doc for libxl_domain_config");
+        goto cleanup;
+    }
+
+    if (virTestCompareToString(expectjson, actualjson) < 0)
+        goto cleanup;
+
+    ret = 0;
+
+ cleanup:
+    VIR_FREE(expectjson);
+    VIR_FREE(actualjson);
+    VIR_FREE(tempjson);
+    virDomainDefFree(vmdef);
+    virObjectUnref(gports);
+    virObjectUnref(xmlopt);
+    libxl_ctx_free(ctx);
+    libxl_domain_config_dispose(&actualconfig);
+    libxl_domain_config_dispose(&expectconfig);
+    xtl_logger_destroy(log);
+    return ret;
+}
+
+
+struct testInfo {
+    const char *name;
+};
+
+
+static int
+testCompareXMLToDomConfigHelper(const void *data)
+{
+    int ret = -1;
+    const struct testInfo *info = data;
+    char *xmlfile = NULL;
+    char *jsonfile = NULL;
+
+    if (virAsprintf(&xmlfile, "%s/libxlxml2domconfigdata/%s.xml",
+                    abs_srcdir, info->name) < 0 ||
+        virAsprintf(&jsonfile, "%s/libxlxml2domconfigdata/%s.json",
+                    abs_srcdir, info->name) < 0)
+        goto cleanup;
+
+    ret = testCompareXMLToDomConfig(xmlfile, jsonfile);
+
+ cleanup:
+    VIR_FREE(xmlfile);
+    VIR_FREE(jsonfile);
+    return ret;
+}
+
+
+static int
+mymain(void)
+{
+    int ret = 0;
+
+    abs_top_srcdir = getenv("abs_top_srcdir");
+    if (!abs_top_srcdir)
+        abs_top_srcdir = abs_srcdir "/..";
+
+    /* Set the timezone because we are mocking the time() function.
+     * If we don't do that, then localtime() may return unpredictable
+     * results. In order to detect things that just work by a blind
+     * chance, we need to set an virtual timezone that no libvirt
+     * developer resides in. */
+    if (setenv("TZ", "VIR00:30", 1) < 0) {
+        perror("setenv");
+        return EXIT_FAILURE;
+    }
+
+    if ((xencaps = testXenCapsInit()) == NULL)

I changed this to use the libxl capabilties: testXLInitCaps()

Looks good otherwise, but it seems strange to essentially ACK my own patch :-). Perhaps Joao or one of his collegues could serve as an additional set of eyes. Either way, I'd need to wait for the freeze to lift before pushing this.

Regards,
Jim


+        return EXIT_FAILURE;
+
+# define DO_TEST(name)                                                  \
+    do {                                                                \
+        static struct testInfo info = {                                 \
+            name,                                                       \
+        };                                                              \
+        if (virTestRun("LibXL XML-2-JSON " name,                        \
+                        testCompareXMLToDomConfigHelper, &info) < 0)    \
+            ret = -1;                                                   \
+    } while (0)
+
+    DO_TEST("basic-pv");
+    DO_TEST("basic-hvm");
+    DO_TEST("moredevs-hvm");
+
+    return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
+}
+
+VIR_TEST_MAIN_PRELOAD(mymain, abs_builddir "/.libs/virmocklibxl.so")
+
+#else
+
+int main(void)
+{
+    return EXIT_AM_SKIP;
+}
+
+#endif /* WITH_LIBXL && WITH_YAJL && HAVE_LIBXL_DOMAIN_CONFIG_FROM_JSON */
diff --git a/tests/virmocklibxl.c b/tests/virmocklibxl.c
new file mode 100644
index 0000000..bc4b53d
--- /dev/null
+++ b/tests/virmocklibxl.c
@@ -0,0 +1,87 @@
+/*
+ * virmocklibxl.c: mocking of xenstore/libxs for libxl
+ *
+ * Copyright (C) 2014 Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.  If not, see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * Author: Daniel P. Berrange <berra...@redhat.com>
+ */
+
+#include <config.h>
+
+#if defined(WITH_LIBXL) && defined(WITH_YAJL)
+# include "virmock.h"
+# include <sys/stat.h>
+# include <unistd.h>
+# include <libxl.h>
+# include <xenstore.h>
+# include <xenctrl.h>
+
+VIR_MOCK_IMPL_RET_VOID(xs_daemon_open,
+                       struct xs_handle *)
+{
+    VIR_MOCK_REAL_INIT(xs_daemon_open);
+    return (void*)0x1;
+}
+
+VIR_MOCK_IMPL_RET_ARGS(xc_interface_open,
+                       xc_interface *,
+                       xentoollog_logger *, logger,
+                       xentoollog_logger *, dombuild_logger,
+                       unsigned, open_flags)
+{
+    VIR_MOCK_REAL_INIT(xc_interface_open);
+    return (void*)0x1;
+}
+
+
+VIR_MOCK_STUB_RET_ARGS(xc_interface_close,
+                       int, 0,
+                       xc_interface *, handle)
+
+VIR_MOCK_STUB_VOID_ARGS(xs_daemon_close,
+                        struct xs_handle *, handle)
+
+VIR_MOCK_IMPL_RET_ARGS(__xstat, int,
+                       int, ver,
+                       const char *, path,
+                       struct stat *, sb)
+{
+    VIR_MOCK_REAL_INIT(__xstat);
+
+    if (strstr(path, "xenstored.pid")) {
+        memset(sb, 0, sizeof(*sb));
+        return 0;
+    }
+
+    return real___xstat(ver, path, sb);
+}
+
+VIR_MOCK_IMPL_RET_ARGS(stat, int,
+                       const char *, path,
+                       struct stat *, sb)
+{
+    VIR_MOCK_REAL_INIT(stat);
+
+    if (strstr(path, "xenstored.pid")) {
+        memset(sb, 0, sizeof(*sb));
+        return 0;
+    }
+
+    return real_stat(path, sb);
+}
+
+#endif /* WITH_LIBXL && WITH_YAJL */

base-commit: ace45e67abbd9a033be54602db71a9dbc71408d7


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