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[libvirt] [PATCH 3/3] VMware: Make version parsing testable and add tests



This splits up the version parsing code into a callable API like QEMU
help/version string parsing so that we can test it as we need to add
additional patterns for newer versions/products.
---
 .gitignore                                |   1 +
 src/Makefile.am                           |   6 ++
 src/libvirt_vmware.syms                   |  12 ++++
 src/vmware/vmware_conf.c                  |  49 ++++++++++----
 src/vmware/vmware_conf.h                  |   2 +
 tests/Makefile.am                         |  14 ++++
 tests/vmwareverdata/workstation-7.0.0.txt |   1 +
 tests/vmwarevertest.c                     | 105 ++++++++++++++++++++++++++++++
 8 files changed, 176 insertions(+), 14 deletions(-)
 create mode 100644 src/libvirt_vmware.syms
 create mode 100644 tests/vmwareverdata/workstation-7.0.0.txt
 create mode 100644 tests/vmwarevertest.c

diff --git a/.gitignore b/.gitignore
index d70d0dd..edd5d26 100644
--- a/.gitignore
+++ b/.gitignore
@@ -217,6 +217,7 @@
 /tests/virsystemdtest
 /tests/virtimetest
 /tests/viruritest
+/tests/vmwarevertest
 /tests/vmx2xmltest
 /tests/xencapstest
 /tests/xmconfigtest
diff --git a/src/Makefile.am b/src/Makefile.am
index 1388c5f..4375ef7 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1768,6 +1768,12 @@ else ! WITH_VMX
 SYM_FILES += $(srcdir)/libvirt_vmx.syms
 endif ! WITH_VMX
 
+if WITH_VMWARE
+USED_SYM_FILES += $(srcdir)/libvirt_vmware.syms
+else ! WITH_VMWARE
+SYM_FILES += $(srcdir)/libvirt_vmware.syms
+endif ! WITH_VMWARE
+
 if WITH_XENXS
 USED_SYM_FILES += $(srcdir)/libvirt_xenxs.syms
 else ! WITH_XENXS
diff --git a/src/libvirt_vmware.syms b/src/libvirt_vmware.syms
new file mode 100644
index 0000000..c64a7d5
--- /dev/null
+++ b/src/libvirt_vmware.syms
@@ -0,0 +1,12 @@
+#
+# These symbols are dependent upon --with-vmware via WITH_VMWARE.
+#
+
+# vmware/vmware_conf.h
+vmwareDriverTypeFromString;
+vmwareParseVersionStr;
+
+# Let emacs know we want case-insensitive sorting
+# Local Variables:
+# sort-fold-case: t
+# End:
diff --git a/src/vmware/vmware_conf.c b/src/vmware/vmware_conf.c
index b33bddc..261a4f6 100644
--- a/src/vmware/vmware_conf.c
+++ b/src/vmware/vmware_conf.c
@@ -219,17 +219,48 @@ vmwareSetSentinal(const char **prog, const char *key)
 }
 
 int
+vmwareParseVersionStr(int type, const char *verbuf, unsigned long *version)
+{
+    const char *pattern;
+    const char *tmp;
+
+    switch (type) {
+        case VMWARE_DRIVER_PLAYER:
+            pattern = "VMware Player ";
+            break;
+        case VMWARE_DRIVER_WORKSTATION:
+            pattern = "VMware Workstation ";
+            break;
+        default:
+            virReportError(VIR_ERR_INTERNAL_ERROR,
+                           _("Invalid driver type: %d"), type);
+            return -1;
+    }
+
+    if ((tmp = STRSKIP(verbuf, pattern)) == NULL) {
+        virReportError(VIR_ERR_INTERNAL_ERROR,
+                       _("failed to parse %sversion"), pattern);
+        return -1;
+    }
+
+    if (virParseVersionString(tmp, version, false) < 0) {
+        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
+                       _("version parsing error"));
+        return -1;
+    }
+
+    return 0;
+}
+
+int
 vmwareExtractVersion(struct vmware_driver *driver)
 {
     unsigned long version = 0;
-    char *tmp;
     int ret = -1;
     virCommandPtr cmd;
     char * outbuf = NULL;
     const char * bin = (driver->type == VMWARE_DRIVER_PLAYER) ?
                  "vmplayer" : "vmware";
-    const char * pattern = (driver->type == VMWARE_DRIVER_PLAYER) ?
-                "VMware Player " : "VMware Workstation ";
 
     cmd = virCommandNewArgList(bin, "-v", NULL);
     virCommandSetOutputBuffer(cmd, &outbuf);
@@ -237,19 +268,9 @@ vmwareExtractVersion(struct vmware_driver *driver)
     if (virCommandRun(cmd, NULL) < 0)
         goto cleanup;
 
-    if ((tmp = STRSKIP(outbuf, pattern)) == NULL) {
-        virReportError(VIR_ERR_INTERNAL_ERROR,
-                       _("failed to parse %s version"), bin);
+    if (vmwareParseVersionStr(driver->type, outbuf, &version) < 0)
         goto cleanup;
-    }
-
-    if (virParseVersionString(tmp, &version, false) < 0) {
-        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
-                       _("version parsing error"));
-        goto cleanup;
-    }
 
-    driver->version = version;
     ret = 0;
 
 cleanup:
diff --git a/src/vmware/vmware_conf.h b/src/vmware/vmware_conf.h
index 4b99d8e..a4fd855 100644
--- a/src/vmware/vmware_conf.h
+++ b/src/vmware/vmware_conf.h
@@ -66,6 +66,8 @@ void vmwareSetSentinal(const char **prog, const char *key);
 
 int vmwareExtractVersion(struct vmware_driver *driver);
 
+int vmwareParseVersionStr(int type, const char *buf, unsigned long *version);
+
 int vmwareDomainConfigDisplay(vmwareDomainPtr domain, virDomainDefPtr vmdef);
 
 int vmwareParsePath(char *path, char **directory, char **filename);
diff --git a/tests/Makefile.am b/tests/Makefile.am
index b1d6dab..fe36810 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -107,6 +107,7 @@ EXTRA_DIST =		\
 	xmconfigdata \
 	xml2sexprdata \
 	xml2vmxdata \
+	vmwareverdata \
 	.valgrind.supp
 
 test_helpers = commandhelper ssh test_conf
@@ -188,6 +189,10 @@ if WITH_VMX
 test_programs += vmx2xmltest xml2vmxtest
 endif WITH_VMX
 
+if WITH_VMWARE
+test_programs += vmwarevertest
+endif WITH_VMWARE
+
 if WITH_CIL
 test_programs += object-locking
 endif WITH_CIL
@@ -507,6 +512,15 @@ else ! WITH_VMX
 EXTRA_DIST += vmx2xmltest.c xml2vmxtest.c
 endif ! WITH_VMX
 
+if WITH_VMWARE
+vmwarevertest_SOURCES = \
+    vmwarevertest.c \
+    testutils.c testutils.h
+vmwarevertest_LDADD = $(LDADDS)
+else ! WITH_VMWARE
+EXTRA_DIST += vmwarevertest.c
+endif ! WITH_VMWARE
+
 networkxml2xmltest_SOURCES = \
 	networkxml2xmltest.c \
 	testutils.c testutils.h
diff --git a/tests/vmwareverdata/workstation-7.0.0.txt b/tests/vmwareverdata/workstation-7.0.0.txt
new file mode 100644
index 0000000..207b71c
--- /dev/null
+++ b/tests/vmwareverdata/workstation-7.0.0.txt
@@ -0,0 +1 @@
+VMware Workstation 7.0.0 build-203739 Release
diff --git a/tests/vmwarevertest.c b/tests/vmwarevertest.c
new file mode 100644
index 0000000..f5ccb06
--- /dev/null
+++ b/tests/vmwarevertest.c
@@ -0,0 +1,105 @@
+/*
+ * Copyright (c) 2013. Doug Goldstein <cardoe cardoe com>
+ *
+ * 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/>.
+ */
+
+#include <config.h>
+
+#include "testutils.h"
+
+#ifdef WITH_VMWARE
+
+# include <stdio.h>
+# include <stdlib.h>
+
+# include "vmware/vmware_conf.h"
+
+//# define VIR_FROM_THIS VIR_FROM_NONE
+
+struct testInfo {
+    const char *vmware_type;
+    const char *name;
+    unsigned long version;
+};
+
+static int
+testVerStrParse(const void *data)
+{
+    const struct testInfo *info = data;
+    int ret = -1;
+    char *path = NULL;
+    char *databuf = NULL;
+    unsigned long version;
+    int vmware_type;
+
+    if (virAsprintf(&path, "%s/vmwareverdata/%s.txt", abs_srcdir,
+                    info->name) < 0)
+        return -1;
+
+    if (virtTestLoadFile(path, &databuf) < 0)
+        goto cleanup;
+
+    if ((vmware_type = vmwareDriverTypeFromString(info->vmware_type)) < 0)
+        goto cleanup;
+
+    if (vmwareParseVersionStr(vmware_type, databuf, &version) < 0)
+        goto cleanup;
+
+    if (version != info->version) {
+        fprintf(stderr, "%s: parsed versions do not match: got %lu, "
+                "expected %lu\n", info->name, version, info->version);
+        goto cleanup;
+    }
+
+    ret = 0;
+
+cleanup:
+    VIR_FREE(path);
+    VIR_FREE(databuf);
+    return ret;
+}
+
+static int
+mymain(void)
+{
+    int ret = 0;
+
+# define DO_TEST(vmware_type, name, version)                            \
+    do {                                                                \
+        struct testInfo info = {                                        \
+            vmware_type, name, version                                  \
+        };                                                              \
+        if (virtTestRun("VMware Version String Parsing " name,          \
+                        1, testVerStrParse, &info) < 0)                 \
+            ret = -1;                                                   \
+    } while (0)
+
+    DO_TEST("ws", "workstation-7.0.0", 7000000);
+
+    return ret == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
+}
+
+VIRT_TEST_MAIN(mymain)
+
+#else
+
+int
+main(void)
+{
+    return EXIT_AM_SKIP;
+}
+
+#endif /* WITH_VMWARE */
-- 
1.8.1.5


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