sanitytest: check for exported enums

We are already collecting list of enums exported and list of enums we
want to have available.  Event though there was an issue with one enum
fixed with 014d9bbaf3, there was no test
for it and this commit tries to fix that.

Signed-off-by: Martin Kletzander <mkletzan@redhat.com>

sanitytest.py

@@ -16,7 +16,10 @@ f = open(xml, "r")
 tree = lxml.etree.parse(f)
 
 verbose = False
+fail = False
 
+enumvals = {}
+second_pass = []
 wantenums = []
 wantfunctions = []
 
@@ -25,11 +28,51 @@ set = tree.xpath('/api/files/file/exports[@type="function"]/@symbol')
 for n in set:
     wantfunctions.append(n)
 
+set = tree.xpath('/api/symbols/enum')
+for n in set:
+    typ = n.attrib['type']
+    name = n.attrib['name']
+    val = n.attrib['value']
+
+    if typ not in enumvals:
+        enumvals[typ] = {}
+
+    # If the value cannot be converted to int, it is reference to
+    # another enum and needs to be sorted out later on
+    try:
+        val = int(val)
+    except ValueError:
+        second_pass.append(n)
+        continue
+
+    enumvals[typ][name] = int(val)
+
+for n in second_pass:
+    typ = n.attrib['type']
+    name = n.attrib['name']
+    val = n.attrib['value']
+
+    for v in enumvals.values():
+        if val in v:
+            val = int(v[val])
+            break
+
+    if type(val) != int:
+        fail = True
+        print("Cannot get a value of enum %s (originally %s)" % (val, name))
+    enumvals[typ][name] = val
+
 set = tree.xpath('/api/files/file/exports[@type="enum"]/@symbol')
 for n in set:
+    for enumval in enumvals.values():
+        if n in enumval:
+            enum = enumval
+            break
+    # Eliminate sentinels
+    if n.endswith('_LAST') and enum[n] == max(enum.values()):
+        continue
     wantenums.append(n)
 
-
 # Phase 2: Identify all classes and methods in the 'libvirt' python module
 gotenums = []
 gottypes = []
@@ -51,6 +94,13 @@ for name in dir(libvirt):
     else:
        pass
 
+for enum in wantenums:
+    if enum not in gotenums:
+        fail = True
+        for typ, enumval in enumvals.items():
+            if enum in enumval:
+                print("FAIL Missing exported enum %s of type %s" % (enum, typ))
+
 for klassname in gottypes:
     klassobj = getattr(libvirt, klassname)
     for name in dir(klassobj):
@@ -241,7 +291,6 @@ for name in sorted(basicklassmap):
 
 
 # Phase 5: Validate sure that every C API is mapped to a python API
-fail = False
 usedfunctions = {}
 for name in sorted(finalklassmap):
     klass = finalklassmap[name][0]