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[libvirt] [PATCH v5 2/5] Network: Add regression tests for the command-line arguments



The regression testing done by comparison of command-line
generated from the network XML file and the expected
command-line arguments (read from file).

For the tests the pidfile should be set to NULL string, i.e.
(null) since no real invocation of the command is being done,
just the command-line is being generated and compared to the
expected one.

Signed-off-by: Michal Novotny <minovotn redhat com>
---
 docs/formatnetwork.html.in                         |    4 +-
 src/Makefile.am                                    |   11 ++-
 src/network/bridge_driver.c                        |   36 +++++--
 src/network/bridge_driver.h                        |    3 +
 tests/Makefile.am                                  |   10 ++
 tests/networkxml2argvdata/isolated-network.argv    |    1 +
 tests/networkxml2argvdata/isolated-network.xml     |   11 ++
 .../nat-network-dns-txt-record.argv                |    1 +
 .../nat-network-dns-txt-record.xml                 |   24 +++++
 tests/networkxml2argvdata/nat-network.argv         |    1 +
 tests/networkxml2argvdata/nat-network.xml          |   21 ++++
 tests/networkxml2argvdata/netboot-network.argv     |    1 +
 tests/networkxml2argvdata/netboot-network.xml      |   14 +++
 .../networkxml2argvdata/netboot-proxy-network.argv |    1 +
 .../networkxml2argvdata/netboot-proxy-network.xml  |   13 +++
 tests/networkxml2argvdata/routed-network.argv      |    1 +
 tests/networkxml2argvdata/routed-network.xml       |    9 ++
 tests/networkxml2argvtest.c                        |  108 ++++++++++++++++++++
 18 files changed, 260 insertions(+), 10 deletions(-)
 create mode 100644 tests/networkxml2argvdata/isolated-network.argv
 create mode 100644 tests/networkxml2argvdata/isolated-network.xml
 create mode 100644 tests/networkxml2argvdata/nat-network-dns-txt-record.argv
 create mode 100644 tests/networkxml2argvdata/nat-network-dns-txt-record.xml
 create mode 100644 tests/networkxml2argvdata/nat-network.argv
 create mode 100644 tests/networkxml2argvdata/nat-network.xml
 create mode 100644 tests/networkxml2argvdata/netboot-network.argv
 create mode 100644 tests/networkxml2argvdata/netboot-network.xml
 create mode 100644 tests/networkxml2argvdata/netboot-proxy-network.argv
 create mode 100644 tests/networkxml2argvdata/netboot-proxy-network.xml
 create mode 100644 tests/networkxml2argvdata/routed-network.argv
 create mode 100644 tests/networkxml2argvdata/routed-network.xml
 create mode 100644 tests/networkxml2argvtest.c

diff --git a/docs/formatnetwork.html.in b/docs/formatnetwork.html.in
index 1cf7636..62e1e08 100644
--- a/docs/formatnetwork.html.in
+++ b/docs/formatnetwork.html.in
@@ -183,8 +183,8 @@
       or commas. value is a single string that can contain multiple values
       separated by commas. <span class="since">Since 0.9.3</span>
       </dd>
-
-      </dd><dt><code>dhcp</code></dt><dd>Also within the <code>ip</code> element there is an
+      <dt><code>dhcp</code></dt>
+      <dd>Also within the <code>ip</code> element there is an
         optional <code>dhcp</code> element. The presence of this element
         enables DHCP services on the virtual network. It will further
         contain one or more <code>range</code> elements. The
diff --git a/src/Makefile.am b/src/Makefile.am
index 4f9bfc9..edaedec 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -530,6 +530,10 @@ libvirt_driver_la_LIBADD = $(NUMACTL_LIBS) $(GNUTLS_LIBS) $(DLOPEN_LIBS)
 
 USED_SYM_FILES = libvirt_private.syms
 
+if WITH_NETWORK
+USED_SYM_FILES += libvirt_network.syms
+endif
+
 if WITH_TEST
 if WITH_DRIVER_MODULES
 mod_LTLIBRARIES += libvirt_driver_test.la
@@ -1089,6 +1093,10 @@ if WITH_XENXS
 USED_SYM_FILES += libvirt_xenxs.syms
 endif
 
+if WITH_NETWORK
+USED_SYM_FILES += libvirt_network.syms
+endif
+
 EXTRA_DIST += \
   libvirt_public.syms		\
   libvirt_private.syms		\
@@ -1099,7 +1107,8 @@ EXTRA_DIST += \
   libvirt_daemon.syms		\
   libvirt_nwfilter.syms	\
   libvirt_vmx.syms		\
-  libvirt_xenxs.syms
+  libvirt_xenxs.syms		\
+  libvirt_network.syms
 
 BUILT_SOURCES += libvirt.syms libvirt.def libvirt_qemu.def
 
diff --git a/src/network/bridge_driver.c b/src/network/bridge_driver.c
index a2cba05..1fad160 100644
--- a/src/network/bridge_driver.c
+++ b/src/network/bridge_driver.c
@@ -631,12 +631,12 @@ cleanup:
     return ret;
 }
 
-static int
-networkStartDhcpDaemon(virNetworkObjPtr network)
+int
+networkBuildDhcpDaemonCommandLine(virNetworkObjPtr network, virCommandPtr *cmdout,
+                                  char *pidfile)
 {
     virCommandPtr cmd = NULL;
-    char *pidfile = NULL;
-    int ret = -1, err, ii;
+    int ret = -1, ii;
     virNetworkIpDefPtr ipdef;
 
     network->dnsmasqPid = -1;
@@ -661,6 +661,29 @@ networkStartDhcpDaemon(virNetworkObjPtr network)
     if (!virNetworkDefGetIpByIndex(network->def, AF_UNSPEC, 0))
         return 0;
 
+    cmd = virCommandNew(DNSMASQ);
+    if (networkBuildDnsmasqArgv(network, ipdef, pidfile, cmd) < 0) {
+        goto cleanup;
+    }
+
+    if (cmdout)
+        *cmdout = cmd;
+
+    ret = 0;
+cleanup:
+    if (ret < 0)
+        virCommandFree(cmd);
+    return ret;
+}
+
+static int
+networkStartDhcpDaemon(virNetworkObjPtr network)
+{
+    virCommandPtr cmd = NULL;
+    char *pidfile = NULL;
+    int ret = -1;
+    int err;
+
     if ((err = virFileMakePath(NETWORK_PID_DIR)) != 0) {
         virReportSystemError(err,
                              _("cannot create directory %s"),
@@ -686,10 +709,9 @@ networkStartDhcpDaemon(virNetworkObjPtr network)
         goto cleanup;
     }
 
-    cmd = virCommandNew(DNSMASQ);
-    if (networkBuildDnsmasqArgv(network, ipdef, pidfile, cmd) < 0) {
+    ret = networkBuildDhcpDaemonCommandLine(network, &cmd, pidfile);
+    if (ret < 0)
         goto cleanup;
-    }
 
     if (virCommandRun(cmd, NULL) < 0)
         goto cleanup;
diff --git a/src/network/bridge_driver.h b/src/network/bridge_driver.h
index 32d2ae7..8d82b67 100644
--- a/src/network/bridge_driver.h
+++ b/src/network/bridge_driver.h
@@ -28,7 +28,10 @@
 # include <config.h>
 
 # include "internal.h"
+# include "network_conf.h"
+# include "command.h"
 
 int networkRegister(void);
+int networkBuildDhcpDaemonCommandLine(virNetworkObjPtr network, virCommandPtr *cmdout, char *pidfile);
 
 #endif /* __VIR_NETWORK__DRIVER_H */
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 7ae50a2..40eb71e 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -50,6 +50,7 @@ EXTRA_DIST =		\
 	networkschematest \
 	networkxml2xmlin \
 	networkxml2xmlout \
+	networkxml2argvdata \
 	nodedevschemadata \
 	nodedevschematest \
 	nodeinfodata     \
@@ -109,6 +110,8 @@ endif
 
 check_PROGRAMS += networkxml2xmltest
 
+check_PROGRAMS += networkxml2argvtest
+
 check_PROGRAMS += nwfilterxml2xmltest
 
 check_PROGRAMS += storagevolxml2xmltest storagepoolxml2xmltest
@@ -220,6 +223,8 @@ endif
 
 TESTS += networkxml2xmltest
 
+TESTS += networkxml2argvtest
+
 TESTS += storagevolxml2xmltest storagepoolxml2xmltest
 
 TESTS += nodedevxml2xmltest
@@ -347,6 +352,11 @@ networkxml2xmltest_SOURCES = \
 	testutils.c testutils.h
 networkxml2xmltest_LDADD = $(LDADDS)
 
+networkxml2argvtest_SOURCES = \
+	networkxml2argvtest.c \
+	testutils.c testutils.h
+networkxml2argvtest_LDADD = ../src/libvirt_driver_network.la $(LDADDS)
+
 nwfilterxml2xmltest_SOURCES = \
 	nwfilterxml2xmltest.c \
 	testutils.c testutils.h
diff --git a/tests/networkxml2argvdata/isolated-network.argv b/tests/networkxml2argvdata/isolated-network.argv
new file mode 100644
index 0000000..dce6034
--- /dev/null
+++ b/tests/networkxml2argvdata/isolated-network.argv
@@ -0,0 +1 @@
+/usr/sbin/dnsmasq --strict-order --bind-interfaces --pid-file=(null) --conf-file= --except-interface lo --dhcp-option=3 --listen-address 192.168.152.1 --dhcp-range 192.168.152.2,192.168.152.254 --dhcp-leasefile=/var/lib/libvirt/dnsmasq/private.leases --dhcp-lease-max=253 --dhcp-no-override
\ No newline at end of file
diff --git a/tests/networkxml2argvdata/isolated-network.xml b/tests/networkxml2argvdata/isolated-network.xml
new file mode 100644
index 0000000..cc320a9
--- /dev/null
+++ b/tests/networkxml2argvdata/isolated-network.xml
@@ -0,0 +1,11 @@
+<network>
+  <name>private</name>
+  <uuid>81ff0d90-c91e-6742-64da-4a736edb9a9b</uuid>
+  <bridge name='virbr2' stp='on' delay='0' />
+  <mac address='52:54:00:17:3F:37'/>
+  <ip address='192.168.152.1' netmask='255.255.255.0'>
+    <dhcp>
+      <range start='192.168.152.2' end='192.168.152.254' />
+    </dhcp>
+  </ip>
+</network>
diff --git a/tests/networkxml2argvdata/nat-network-dns-txt-record.argv b/tests/networkxml2argvdata/nat-network-dns-txt-record.argv
new file mode 100644
index 0000000..96fde34
--- /dev/null
+++ b/tests/networkxml2argvdata/nat-network-dns-txt-record.argv
@@ -0,0 +1 @@
+/usr/sbin/dnsmasq --strict-order --bind-interfaces --pid-file=(null) --conf-file= --except-interface lo --txt-record=example,example value --listen-address 192.168.122.1 --listen-address 192.168.123.1 --listen-address 2001:db8:ac10:fe01::1 --listen-address 2001:db8:ac10:fd01::1 --listen-address 10.24.10.1 --dhcp-range 192.168.122.2,192.168.122.254 --dhcp-leasefile=/var/lib/libvirt/dnsmasq/default.leases --dhcp-lease-max=253 --dhcp-no-override --dhcp-hostsfile=/var/lib/libvirt/dnsmasq/default.hostsfile
\ No newline at end of file
diff --git a/tests/networkxml2argvdata/nat-network-dns-txt-record.xml b/tests/networkxml2argvdata/nat-network-dns-txt-record.xml
new file mode 100644
index 0000000..bd16976
--- /dev/null
+++ b/tests/networkxml2argvdata/nat-network-dns-txt-record.xml
@@ -0,0 +1,24 @@
+<network>
+  <name>default</name>
+  <uuid>81ff0d90-c91e-6742-64da-4a736edb9a9b</uuid>
+  <forward dev='eth1' mode='nat'/>
+  <bridge name='virbr0' stp='on' delay='0' />
+  <dns>
+    <txt name='example' value='example value' />
+  </dns>
+  <ip address='192.168.122.1' netmask='255.255.255.0'>
+    <dhcp>
+      <range start='192.168.122.2' end='192.168.122.254' />
+      <host mac='00:16:3e:77:e2:ed' name='a.example.com' ip='192.168.122.10' />
+      <host mac='00:16:3e:3e:a9:1a' name='b.example.com' ip='192.168.122.11' />
+    </dhcp>
+  </ip>
+  <ip family='ipv4' address='192.168.123.1' netmask='255.255.255.0'>
+  </ip>
+  <ip family='ipv6' address='2001:db8:ac10:fe01::1' prefix='64'>
+  </ip>
+  <ip family='ipv6' address='2001:db8:ac10:fd01::1' prefix='64'>
+  </ip>
+  <ip family='ipv4' address='10.24.10.1'>
+  </ip>
+</network>
diff --git a/tests/networkxml2argvdata/nat-network.argv b/tests/networkxml2argvdata/nat-network.argv
new file mode 100644
index 0000000..ccffa67
--- /dev/null
+++ b/tests/networkxml2argvdata/nat-network.argv
@@ -0,0 +1 @@
+/usr/sbin/dnsmasq --strict-order --bind-interfaces --pid-file=(null) --conf-file= --except-interface lo --listen-address 192.168.122.1 --listen-address 192.168.123.1 --listen-address 2001:db8:ac10:fe01::1 --listen-address 2001:db8:ac10:fd01::1 --listen-address 10.24.10.1 --dhcp-range 192.168.122.2,192.168.122.254 --dhcp-leasefile=/var/lib/libvirt/dnsmasq/default.leases --dhcp-lease-max=253 --dhcp-no-override --dhcp-hostsfile=/var/lib/libvirt/dnsmasq/default.hostsfile
\ No newline at end of file
diff --git a/tests/networkxml2argvdata/nat-network.xml b/tests/networkxml2argvdata/nat-network.xml
new file mode 100644
index 0000000..eb71d9e
--- /dev/null
+++ b/tests/networkxml2argvdata/nat-network.xml
@@ -0,0 +1,21 @@
+<network>
+  <name>default</name>
+  <uuid>81ff0d90-c91e-6742-64da-4a736edb9a9b</uuid>
+  <forward dev='eth1' mode='nat'/>
+  <bridge name='virbr0' stp='on' delay='0' />
+  <ip address='192.168.122.1' netmask='255.255.255.0'>
+    <dhcp>
+      <range start='192.168.122.2' end='192.168.122.254' />
+      <host mac='00:16:3e:77:e2:ed' name='a.example.com' ip='192.168.122.10' />
+      <host mac='00:16:3e:3e:a9:1a' name='b.example.com' ip='192.168.122.11' />
+    </dhcp>
+  </ip>
+  <ip family='ipv4' address='192.168.123.1' netmask='255.255.255.0'>
+  </ip>
+  <ip family='ipv6' address='2001:db8:ac10:fe01::1' prefix='64'>
+  </ip>
+  <ip family='ipv6' address='2001:db8:ac10:fd01::1' prefix='64'>
+  </ip>
+  <ip family='ipv4' address='10.24.10.1'>
+  </ip>
+</network>
diff --git a/tests/networkxml2argvdata/netboot-network.argv b/tests/networkxml2argvdata/netboot-network.argv
new file mode 100644
index 0000000..565c41b
--- /dev/null
+++ b/tests/networkxml2argvdata/netboot-network.argv
@@ -0,0 +1 @@
+/usr/sbin/dnsmasq --strict-order --bind-interfaces --domain example.com --pid-file=(null) --conf-file= --except-interface lo --listen-address 192.168.122.1 --dhcp-range 192.168.122.2,192.168.122.254 --dhcp-leasefile=/var/lib/libvirt/dnsmasq/netboot.leases --dhcp-lease-max=253 --dhcp-no-override --enable-tftp --tftp-root /var/lib/tftproot --dhcp-boot pxeboot.img
\ No newline at end of file
diff --git a/tests/networkxml2argvdata/netboot-network.xml b/tests/networkxml2argvdata/netboot-network.xml
new file mode 100644
index 0000000..b8a4d99
--- /dev/null
+++ b/tests/networkxml2argvdata/netboot-network.xml
@@ -0,0 +1,14 @@
+<network>
+  <name>netboot</name>
+  <uuid>81ff0d90-c91e-6742-64da-4a736edb9a9b</uuid>
+  <forward mode='nat'/>
+  <bridge name='virbr1' stp='off' delay='1' />
+  <domain name='example.com'/>
+  <ip address='192.168.122.1' netmask='255.255.255.0'>
+    <tftp root='/var/lib/tftproot' />
+    <dhcp>
+      <range start='192.168.122.2' end='192.168.122.254' />
+      <bootp file='pxeboot.img' />
+    </dhcp>
+  </ip>
+</network>
diff --git a/tests/networkxml2argvdata/netboot-proxy-network.argv b/tests/networkxml2argvdata/netboot-proxy-network.argv
new file mode 100644
index 0000000..019367d
--- /dev/null
+++ b/tests/networkxml2argvdata/netboot-proxy-network.argv
@@ -0,0 +1 @@
+/usr/sbin/dnsmasq --strict-order --bind-interfaces --domain example.com --pid-file=(null) --conf-file= --except-interface lo --listen-address 192.168.122.1 --dhcp-range 192.168.122.2,192.168.122.254 --dhcp-leasefile=/var/lib/libvirt/dnsmasq/netboot.leases --dhcp-lease-max=253 --dhcp-no-override --dhcp-boot pxeboot.img,,10.20.30.40
\ No newline at end of file
diff --git a/tests/networkxml2argvdata/netboot-proxy-network.xml b/tests/networkxml2argvdata/netboot-proxy-network.xml
new file mode 100644
index 0000000..e11c50b
--- /dev/null
+++ b/tests/networkxml2argvdata/netboot-proxy-network.xml
@@ -0,0 +1,13 @@
+<network>
+  <name>netboot</name>
+  <uuid>81ff0d90-c91e-6742-64da-4a736edb9a9b</uuid>
+  <forward mode='nat'/>
+  <bridge name='virbr1' stp='off' delay='1' />
+  <domain name='example.com'/>
+  <ip address='192.168.122.1' netmask='255.255.255.0'>
+    <dhcp>
+      <range start='192.168.122.2' end='192.168.122.254' />
+      <bootp file='pxeboot.img' server='10.20.30.40' />
+    </dhcp>
+  </ip>
+</network>
diff --git a/tests/networkxml2argvdata/routed-network.argv b/tests/networkxml2argvdata/routed-network.argv
new file mode 100644
index 0000000..2b51d90
--- /dev/null
+++ b/tests/networkxml2argvdata/routed-network.argv
@@ -0,0 +1 @@
+/usr/sbin/dnsmasq --strict-order --bind-interfaces --pid-file=(null) --conf-file= --except-interface lo --listen-address 192.168.122.1
\ No newline at end of file
diff --git a/tests/networkxml2argvdata/routed-network.xml b/tests/networkxml2argvdata/routed-network.xml
new file mode 100644
index 0000000..3aa8109
--- /dev/null
+++ b/tests/networkxml2argvdata/routed-network.xml
@@ -0,0 +1,9 @@
+<network>
+  <name>local</name>
+  <uuid>81ff0d90-c91e-6742-64da-4a736edb9a9b</uuid>
+  <forward dev='eth1' mode='route'/>
+  <bridge name='virbr1' stp='on' delay='0' />
+  <mac address='12:34:56:78:9A:BC'/>
+  <ip address='192.168.122.1' netmask='255.255.255.0'>
+  </ip>
+</network>
diff --git a/tests/networkxml2argvtest.c b/tests/networkxml2argvtest.c
new file mode 100644
index 0000000..a0e5fd3
--- /dev/null
+++ b/tests/networkxml2argvtest.c
@@ -0,0 +1,108 @@
+#include <config.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+
+#include <sys/types.h>
+#include <fcntl.h>
+
+#include "internal.h"
+#include "testutils.h"
+#include "network_conf.h"
+#include "command.h"
+#include "memory.h"
+#include "network/bridge_driver.h"
+
+static int testCompareXMLToArgvFiles(const char *inxml, const char *outargv) {
+    char *inXmlData = NULL;
+    char *outArgvData = NULL;
+    char *actual = NULL;
+    int ret = -1;
+    virNetworkDefPtr dev = NULL;
+    virNetworkObjPtr obj = NULL;
+    virCommandPtr cmd = NULL;
+    char *pidfile = NULL;
+
+    if (virtTestLoadFile(inxml, &inXmlData) < 0)
+        goto fail;
+
+    if (virtTestLoadFile(outargv, &outArgvData) < 0)
+        goto fail;
+
+    if (!(dev = virNetworkDefParseString(inXmlData)))
+        goto fail;
+
+    if (VIR_ALLOC(obj) < 0)
+        goto fail;
+
+    obj->def = dev;
+
+    if (networkBuildDhcpDaemonCommandLine(obj, &cmd, pidfile) != 0)
+        goto fail;
+
+    if (!(actual = virCommandToString(cmd)))
+        goto fail;
+
+    if (STRNEQ(outArgvData, actual)) {
+        virtTestDifference(stderr, outArgvData, actual);
+        goto fail;
+    }
+
+    ret = 0;
+
+ fail:
+    free(inXmlData);
+    free(outArgvData);
+    free(actual);
+    VIR_FREE(pidfile);
+    virCommandFree(cmd);
+    virNetworkObjFree(obj);
+    return ret;
+}
+
+static int
+testCompareXMLToArgvHelper(const void *data)
+{
+    int result = -1;
+    char *inxml = NULL;
+    char *outxml = NULL;
+
+    if (virAsprintf(&inxml, "%s/networkxml2argvdata/%s.xml",
+                    abs_srcdir, (const char*)data) < 0 ||
+        virAsprintf(&outxml, "%s/networkxml2argvdata/%s.argv",
+                    abs_srcdir, (const char*)data) < 0) {
+        goto cleanup;
+    }
+
+    result = testCompareXMLToArgvFiles(inxml, outxml);
+
+cleanup:
+    free(inxml);
+    free(outxml);
+
+    return result;
+}
+
+static int
+mymain(void)
+{
+    int ret = 0;
+
+#define DO_TEST(name) \
+    if (virtTestRun("Network XML-2-Argv " name, \
+                    1, testCompareXMLToArgvHelper, (name)) < 0) \
+        ret = -1
+
+    DO_TEST("isolated-network");
+    DO_TEST("routed-network");
+    DO_TEST("nat-network");
+    DO_TEST("netboot-network");
+    DO_TEST("netboot-proxy-network");
+    DO_TEST("nat-network-dns-txt-record");
+
+    return (ret==0 ? EXIT_SUCCESS : EXIT_FAILURE);
+}
+
+VIRT_TEST_MAIN(mymain)
-- 
1.7.3.2


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