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xml_test.go
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xml_test.go
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// +build xmlroundtrip
/*
* This file is part of the libvirt-go-xml project
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* Copyright (C) 2016 Red Hat, Inc.
*
*/
package libvirtxml
import (
"fmt"
"io/ioutil"
"os"
"os/exec"
"strings"
"testing"
)
var xmldirs = []string{
"testdata/libvirt/tests/bhyveargv2xmldata",
"testdata/libvirt/tests/bhyvexml2argvdata",
"testdata/libvirt/tests/bhyvexml2xmloutdata",
"testdata/libvirt/tests/capabilityschemadata",
"testdata/libvirt/tests/cputestdata",
"testdata/libvirt/tests/domaincapsdata",
"testdata/libvirt/tests/domainconfdata",
"testdata/libvirt/tests/domainschemadata",
"testdata/libvirt/tests/genericxml2xmlindata",
"testdata/libvirt/tests/genericxml2xmloutdata",
"testdata/libvirt/tests/interfaceschemadata",
"testdata/libvirt/tests/libxlxml2domconfigdata",
"testdata/libvirt/tests/lxcconf2xmldata",
"testdata/libvirt/tests/lxcxml2xmldata",
"testdata/libvirt/tests/lxcxml2xmloutdata",
"testdata/libvirt/tests/networkxml2confdata",
"testdata/libvirt/tests/networkxml2firewalldata",
"testdata/libvirt/tests/networkxml2xmlin",
"testdata/libvirt/tests/networkxml2xmlout",
"testdata/libvirt/tests/networkxml2xmlupdatein",
"testdata/libvirt/tests/networkxml2xmlupdateout",
"testdata/libvirt/tests/nodedevschemadata",
"testdata/libvirt/tests/nwfilterxml2firewalldata",
"testdata/libvirt/tests/nwfilterxml2xmlin",
"testdata/libvirt/tests/nwfilterxml2xmlout",
"testdata/libvirt/tests/qemuagentdata",
"testdata/libvirt/tests/qemucapabilitiesdata",
"testdata/libvirt/tests/qemudomainsnapshotxml2xmlin",
"testdata/libvirt/tests/qemudomainsnapshotxml2xmlout",
"testdata/libvirt/tests/qemuhotplugtestcpus",
"testdata/libvirt/tests/qemuhotplugtestdevices",
"testdata/libvirt/tests/qemuhotplugtestdomains",
"testdata/libvirt/tests/qemumemlockdata",
"testdata/libvirt/tests/qemuxml2argvdata",
"testdata/libvirt/tests/qemuxml2xmloutdata",
"testdata/libvirt/tests/secretxml2xmlin",
"testdata/libvirt/tests/securityselinuxlabeldata",
"testdata/libvirt/tests/storagepoolschemadata",
"testdata/libvirt/tests/storagepoolxml2xmlin",
"testdata/libvirt/tests/storagepoolxml2xmlout",
"testdata/libvirt/tests/storagevolschemadata",
"testdata/libvirt/tests/storagevolxml2xmlin",
"testdata/libvirt/tests/storagevolxml2xmlout",
"testdata/libvirt/tests/vircaps2xmldata",
"testdata/libvirt/tests/virnwfilterbindingxml2xmldata",
"testdata/libvirt/tests/virnetworkportxml2xmldata",
"testdata/libvirt/tests/virnwfilterbindingxml2xmldata",
"testdata/libvirt/tests/virstorageutildata",
"testdata/libvirt/tests/vmx2xmldata",
"testdata/libvirt/tests/xlconfigdata",
"testdata/libvirt/tests/xmconfigdata",
"testdata/libvirt/tests/xml2vmxdata",
}
var consoletype = "/domain[0]/devices[0]/console[0]/@type"
var volsrc = "/volume[0]/source[0]"
var blacklist = map[string]bool{
// intentionally invalid xml
"testdata/libvirt/tests/genericxml2xmlindata/chardev-unix-redirdev-missing-path.xml": true,
"testdata/libvirt/tests/genericxml2xmlindata/chardev-unix-rng-missing-path.xml": true,
"testdata/libvirt/tests/qemuxml2argvdata/virtio-rng-egd-crash.xml": true,
"testdata/libvirt/tests/genericxml2xmlindata/chardev-unix-smartcard-missing-path.xml": true,
"testdata/libvirt/tests/genericxml2xmlindata/chardev-tcp-multiple-source.xml": true,
"testdata/libvirt/tests/networkxml2xmlupdatein/dns-host-gateway-incomplete.xml": true,
"testdata/libvirt/tests/networkxml2xmlupdatein/host-new-incomplete.xml": true,
"testdata/libvirt/tests/networkxml2xmlupdatein/unparsable-dns-host.xml": true,
// udp source in different order
"testdata/libvirt/tests/genericxml2xmlindata/chardev-udp.xml": true,
"testdata/libvirt/tests/genericxml2xmlindata/chardev-udp-multiple-source.xml": true,
}
var extraActualNodes = map[string][]string{
"testdata/libvirt/tests/qemuxml2argvdata/disk-discard.xml": []string{
"/domain[0]/devices[0]/disk[0]/@type",
},
"testdata/libvirt/tests/qemuxml2argvdata/fs9p-ccw.xml": []string{
"/domain[0]/devices[0]/filesystem[1]/@type",
"/domain[0]/devices[0]/filesystem[2]/@type",
},
"testdata/libvirt/tests/qemuxml2argvdata/fs9p.xml": []string{
"/domain[0]/devices[0]/filesystem[1]/@type",
"/domain[0]/devices[0]/filesystem[2]/@type",
},
"testdata/libvirt/tests/qemuxml2argvdata/disk-drive-discard.xml": []string{
"/domain[0]/devices[0]/disk[0]/@type",
},
"testdata/libvirt/tests/genericxml2xmlindata/chardev-udp.xml": []string{
"/domain[0]/devices[0]/channel[0]/source[0]/@mode",
},
"testdata/libvirt/tests/qemuxml2argvdata/disk-mirror-old.xml": []string{
"/domain[0]/devices[0]/disk[0]/mirror[0]/@type",
"/domain[0]/devices[0]/disk[0]/mirror[0]/source[0]",
"/domain[0]/devices[0]/disk[2]/mirror[0]/@type",
"/domain[0]/devices[0]/disk[2]/mirror[0]/format[0]",
"/domain[0]/devices[0]/disk[2]/mirror[0]/source[0]",
},
"testdata/libvirt/tests/xlconfigdata/test-fullvirt-ovswitch-tagged.xml": []string{
"/domain[0]/devices[0]/interface[0]/virtualport[0]/parameters[0]",
},
"testdata/libvirt/tests/xlconfigdata/test-fullvirt-ovswitch-trunked.xml": []string{
"/domain[0]/devices[0]/interface[0]/virtualport[0]/parameters[0]",
},
"testdata/libvirt/tests/networkxml2xmlin/openvswitch-net.xml": []string{
"/network[0]/virtualport[0]/parameters[0]",
},
"testdata/libvirt/tests/networkxml2xmlout/openvswitch-net.xml": []string{
"/network[0]/virtualport[0]/parameters[0]",
},
"testdata/libvirt/tests/networkxml2xmlupdateout/openvswitch-net-modified.xml": []string{
"/network[0]/virtualport[0]/parameters[0]",
},
"testdata/libvirt/tests/networkxml2xmlupdateout/openvswitch-net-more-portgroups.xml": []string{
"/network[0]/virtualport[0]/parameters[0]",
},
"testdata/libvirt/tests/networkxml2xmlupdateout/openvswitch-net-without-alice.xml": []string{
"/network[0]/virtualport[0]/parameters[0]",
},
"testdata/libvirt/tests/interfaceschemadata/bridge-vlan.xml": []string{
"/interface[0]/bridge[0]/interface[0]/vlan[0]/interface[0]/@type",
},
"testdata/libvirt/tests/interfaceschemadata/vlan.xml": []string{
"/interface[0]/vlan[0]/interface[0]/@type",
},
"testdata/libvirt/tests/qemudomainsnapshotxml2xmlin/disk_driver_name_null.xml": []string{
"/domainsnapshot[0]/disks[0]/disk[0]/@type",
},
"testdata/libvirt/tests/qemudomainsnapshotxml2xmlin/disk_snapshot.xml": []string{
"/domainsnapshot[0]/disks[0]/disk[0]/@type",
"/domainsnapshot[0]/disks[0]/disk[1]/@type",
"/domainsnapshot[0]/disks[0]/disk[2]/@type",
"/domainsnapshot[0]/disks[0]/disk[3]/@type",
"/domainsnapshot[0]/disks[0]/disk[4]/@type",
},
"testdata/libvirt/tests/qemudomainsnapshotxml2xmlout/disk_snapshot.xml": []string{
"/domainsnapshot[0]/disks[0]/disk[0]/@type",
"/domainsnapshot[0]/disks[0]/disk[1]/@type",
"/domainsnapshot[0]/disks[0]/disk[2]/@type",
},
"testdata/libvirt/tests/qemudomainsnapshotxml2xmlout/disk_snapshot_redefine.xml": []string{
"/domainsnapshot[0]/disks[0]/disk[0]/@type",
"/domainsnapshot[0]/disks[0]/disk[1]/@type",
"/domainsnapshot[0]/disks[0]/disk[2]/@type",
},
"testdata/libvirt/tests/qemudomainsnapshotxml2xmlout/external_vm_redefine.xml": []string{
"/domainsnapshot[0]/disks[0]/disk[0]/@type",
},
"testdata/libvirt/tests/qemudomainsnapshotxml2xmlin/qcow2-metadata-cache.xml": []string{
"/domainsnapshot[0]/disks[0]/disk[0]/@type",
},
"testdata/libvirt/tests/bhyvexml2argvdata/bhyvexml2argv-fs-9p.xml": []string{
"/domain[0]/devices[0]/filesystem[0]/@type",
},
"testdata/libvirt/tests/bhyvexml2argvdata/bhyvexml2argv-fs-9p-readonly.xml": []string{
"/domain[0]/devices[0]/filesystem[0]/@type",
},
"testdata/libvirt/tests/bhyvexml2argvdata/bhyvexml2argv-fs-9p-unsupported-accessmode.xml": []string{
"/domain[0]/devices[0]/filesystem[0]/@type",
},
"testdata/libvirt/tests/bhyvexml2argvdata/bhyvexml2argv-fs-9p-unsupported-driver.xml": []string{
"/domain[0]/devices[0]/filesystem[0]/@type",
},
"testdata/libvirt/tests/bhyvexml2argvdata/bhyvexml2argv-console-master-slave-not-specified.xml": []string{
"/domain[0]/devices[0]/console[0]/source[0]",
},
}
var extraExpectNodes = map[string][]string{
"testdata/libvirt/tests/qemuxml2argvdata/usb-redir-filter.xml": []string{
"/domain[0]/devices[0]/redirfilter[0]/usbdev[1]/@vendor",
"/domain[0]/devices[0]/redirfilter[0]/usbdev[1]/@product",
"/domain[0]/devices[0]/redirfilter[0]/usbdev[1]/@class",
"/domain[0]/devices[0]/redirfilter[0]/usbdev[1]/@version",
},
"testdata/libvirt/tests/domainschemadata/domain-parallels-ct-simple.xml": []string{
"/domain[0]/description[0]",
},
"testdata/libvirt/tests/storagevolxml2xmlin/vol-encrypt1.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlin/vol-encrypt2.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlin/vol-file-backing.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlin/vol-file-iso.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlin/vol-file-naming.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlin/vol-file-qcow2.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlin/vol-file.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlin/vol-gluster-dir-neg-uid.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlin/vol-gluster-dir.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlin/vol-logical-backing.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlin/vol-logical.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlin/vol-luks-cipher.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlin/vol-luks-convert.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlin/vol-luks.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlin/vol-partition.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlin/vol-qcow2-0.10-lazy.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlin/vol-qcow2-1.1.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlin/vol-qcow2-lazy.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlin/vol-qcow2-luks.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlin/vol-qcow2-luks-convert.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlin/vol-qcow2-encryption.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlin/vol-qcow2-nobacking.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlin/vol-qcow2-nocapacity-backing.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlin/vol-qcow2-nocapacity.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlin/vol-qcow2-nocow.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlin/vol-qcow2.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlin/vol-sheepdog.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlout/vol-file-backing.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlout/vol-file-iso.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlout/vol-file-naming.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlout/vol-file.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlout/vol-gluster-dir-neg-uid.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlout/vol-gluster-dir.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlout/vol-logical-backing.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlout/vol-logical.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlout/vol-luks-cipher.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlout/vol-luks.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlout/vol-partition.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlout/vol-qcow2-0.10-lazy.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlout/vol-qcow2-1.1.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlout/vol-qcow2-encryption.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlout/vol-qcow2-lazy.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlout/vol-qcow2-luks.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlout/vol-qcow2-nobacking.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlout/vol-qcow2-nocapacity-backing.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlout/vol-qcow2-nocapacity.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlout/vol-qcow2-nocow.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlout/vol-qcow2.xml": []string{volsrc},
"testdata/libvirt/tests/storagevolxml2xmlout/vol-sheepdog.xml": []string{volsrc},
"testdata/libvirt/tests/qemudomainsnapshotxml2xmlin/disk_snapshot.xml": []string{
"/domainsnapshot[0]/disks[0]/disk[3]/source[0]",
},
}
func trimXML(xml string) string {
xml = strings.TrimSpace(xml)
if strings.HasPrefix(xml, "<?xml") {
end := strings.Index(xml, "?>")
if end != -1 {
xml = xml[end+2:]
xml = strings.TrimSpace(xml)
}
}
if strings.HasPrefix(xml, "<!--") {
end := strings.Index(xml, "-->")
if end != -1 {
xml = xml[end+3:]
xml = strings.TrimSpace(xml)
}
}
return xml
}
func testRoundTrip(t *testing.T, xml string, filename string) {
if strings.HasSuffix(filename, "-invalid.xml") {
return
}
xml = trimXML(xml)
var doc Document
if strings.HasPrefix(xml, "<domain ") {
doc = &Domain{}
} else if strings.HasPrefix(xml, "<capabilities") {
doc = &Caps{}
} else if strings.HasPrefix(xml, "<networkport") {
doc = &NetworkPort{}
} else if strings.HasPrefix(xml, "<network") {
doc = &Network{}
} else if strings.HasPrefix(xml, "<secret") {
doc = &Secret{}
} else if strings.HasPrefix(xml, "<device") {
doc = &NodeDevice{}
} else if strings.HasPrefix(xml, "<volume") {
doc = &StorageVolume{}
} else if strings.HasPrefix(xml, "<pool") {
doc = &StoragePool{}
} else if strings.HasPrefix(xml, "<cpuTest") || strings.HasPrefix(xml, "<cpudata") {
// Not a public schema
return
} else if strings.HasPrefix(xml, "<cpu") {
if strings.Contains(xml, "mode=") || strings.Contains(xml, "match=") {
doc = &DomainCPU{}
} else {
doc = &CapsHostCPU{}
}
} else if strings.HasPrefix(xml, "<filterbinding") {
doc = &NWFilterBinding{}
} else if strings.HasPrefix(xml, "<filter") {
doc = &NWFilter{}
} else if strings.HasPrefix(xml, "<interface") {
if strings.Contains(filename, "networkxml") {
doc = &NetworkForwardInterface{}
} else if strings.Contains(filename, "qemuhotplug") {
doc = &DomainInterface{}
} else {
doc = &Interface{}
}
} else if strings.HasPrefix(xml, "<domainsnapshot") {
doc = &DomainSnapshot{}
} else if strings.HasPrefix(xml, "<domainCapabilities") {
doc = &DomainCaps{}
} else if strings.HasPrefix(xml, "<disk") {
doc = &DomainDisk{}
} else if strings.HasPrefix(xml, "<console") {
doc = &DomainConsole{}
} else if strings.HasPrefix(xml, "<channel") {
doc = &DomainChannel{}
} else if strings.HasPrefix(xml, "<watchdog") {
doc = &DomainWatchdog{}
} else if strings.HasPrefix(xml, "<shmem") {
doc = &DomainShmem{}
} else if strings.HasPrefix(xml, "<graphics") {
doc = &DomainGraphic{}
} else if strings.HasPrefix(xml, "<hostdev") {
doc = &DomainHostdev{}
} else if strings.HasPrefix(xml, "<host") {
if strings.Contains(xml, "mac=") {
doc = &NetworkDHCPHost{}
} else {
doc = &NetworkDNSHost{}
}
} else if strings.HasPrefix(xml, "<portgroup") {
doc = &NetworkPortGroup{}
} else if strings.HasPrefix(xml, "<txt") {
doc = &NetworkDNSTXT{}
} else if strings.HasPrefix(xml, "<srv") {
doc = &NetworkDNSSRV{}
} else if strings.HasPrefix(xml, "<range") {
doc = &NetworkDHCPRange{}
} else if strings.HasPrefix(xml, "<qemuCaps") ||
strings.HasPrefix(xml, "<sources") ||
strings.HasPrefix(xml, "<cpudata") ||
strings.HasPrefix(xml, "<cliOutput") {
// Private libvirt internal XML schemas we don't
// need public API coverage for
return
} else {
t.Fatal(fmt.Errorf("Unexpected XML document schema in %s\n", filename))
}
err := doc.Unmarshal(xml)
if err != nil {
t.Fatal(fmt.Errorf("Cannot parse file %s: %s\n", filename, err))
}
newxml, err := doc.Marshal()
if err != nil {
t.Fatal(err)
}
extraExpectNodes, _ := extraExpectNodes[filename]
extraActualNodes, _ := extraActualNodes[filename]
err = testCompareXML(filename, xml, newxml, extraExpectNodes, extraActualNodes)
if err != nil {
if os.Getenv("LIBVIRT_DEBUG") == "1" {
fmt.Printf("Expected %s\n", xml)
fmt.Printf("Actual %s\n", newxml)
}
t.Fatal(err)
}
}
func syncGit(t *testing.T) {
_, err := os.Stat("testdata/libvirt/tests")
if err != nil {
if os.IsNotExist(err) {
msg, err := exec.Command("git", "clone", "--depth", "1", "https://gitlab.com/libvirt/libvirt", "testdata/libvirt").CombinedOutput()
if err != nil {
t.Fatal(fmt.Errorf("Unable to clone libvirt.git: %s: %s", err, msg))
}
} else {
t.Fatal(err)
}
} else {
here, err := os.Getwd()
if err != nil {
t.Fatal(err)
}
err = os.Chdir("testdata/libvirt")
if err != nil {
t.Fatal(err)
}
defer func() {
os.Chdir(here)
}()
msg, err := exec.Command("git", "pull").CombinedOutput()
if err != nil {
t.Fatal(fmt.Errorf("Unable to update libvirt.git: %s: %s", err, msg))
}
ref := os.Getenv("LIBVIRT_REF")
if ref == "" {
ref = "master"
}
msg, err = exec.Command("git", "checkout", "--force", ref).CombinedOutput()
if err != nil {
t.Fatal(fmt.Errorf("Unable to checkout %s: %s: %s", ref, err, msg))
}
}
}
func TestRoundTrip(t *testing.T) {
syncGit(t)
singlefile := os.Getenv("LIBVIRT_XML_TESTFILE")
for _, xmldir := range xmldirs {
xmlfiles, err := ioutil.ReadDir(xmldir)
if err != nil {
t.Fatal(err)
}
for _, xmlfile := range xmlfiles {
if !xmlfile.IsDir() && strings.HasSuffix(xmlfile.Name(), ".xml") {
fname := xmldir + "/" + xmlfile.Name()
_, ok := blacklist[fname]
if ok {
continue
}
if singlefile != "" && fname != singlefile {
continue
}
xml, err := ioutil.ReadFile(fname)
if err != nil {
t.Fatal(err)
}
testRoundTrip(t, string(xml), fname)
}
}
}
}