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[Libosinfo] [osinfo-db v2 4/4] tests: Add test_isoinfo



Signed-off-by: Fabiano Fidêncio <fidencio redhat com>
---
 tests/osinfo.py       |  44 ++++++++++++
 tests/test_isoinfo.py | 151 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 195 insertions(+)
 create mode 100644 tests/test_isoinfo.py

diff --git a/tests/osinfo.py b/tests/osinfo.py
index 4391cd0..0f4205d 100644
--- a/tests/osinfo.py
+++ b/tests/osinfo.py
@@ -37,6 +37,11 @@ class Os():
         return shortid.text
     shortid = property(_get_shortid)
 
+    def _get_distro(self):
+        distro = self._root.find('distro')
+        return distro.text
+    distro = property(_get_distro)
+
 
 class Image():
     def __init__(self, root):
@@ -61,6 +66,13 @@ class Media():
         return None
     url = property(_get_url)
 
+    def _get_iso(self):
+        iso = self._root.find('iso')
+        if iso is not None:
+            return ISO(iso)
+        return None
+    iso = property(_get_iso)
+
 
 class Tree():
     def __init__(self, root):
@@ -84,3 +96,35 @@ class URL():
         logging.info("response: %s; code: %d",
                      responses[response.status_code], response.status_code)
         return response.ok
+
+
+class ISO():
+    def __init__(self, root):
+        self._root = root
+
+    def _get_value(self, name, return_type=str, default=''):
+        entry = self._root.find(name)
+        return return_type(entry.text) if entry is not None else default
+
+    def _get_volumeid(self):
+        return self._get_value('volume-id')
+    volumeid = property(_get_volumeid)
+
+    def _get_publisherid(self):
+        return self._get_value('publisher-id')
+    publisherid = property(_get_publisherid)
+
+    def _get_applicationid(self):
+        return self._get_value('application-id')
+    applicationid = property(_get_applicationid)
+
+    def _get_systemid(self):
+        return self._get_value('system-id')
+    systemid = property(_get_systemid)
+
+    def _get_volumesize(self):
+        return self._get_value('volume-size', int, 0)
+    volumesize = property(_get_volumesize)
+
+
+
diff --git a/tests/test_isoinfo.py b/tests/test_isoinfo.py
new file mode 100644
index 0000000..504892c
--- /dev/null
+++ b/tests/test_isoinfo.py
@@ -0,0 +1,151 @@
+#!/usr/bin/env python3
+
+
+import logging
+import os
+import re
+import pytest
+
+from . import util
+
+
+OSES = util.oses()
+
+def _os_id(_os):
+    return _os.shortid
+
+ pytest mark parametrize('_os', [*OSES], ids=_os_id)
+def test_iso_detection(_os):
+    for isodatamedia in _get_isodatamedias(_os):
+        detected = []
+        for __os in OSES:
+            for media in __os.medias:
+                if isodatamedia.match(media.iso):
+                    if _os.shortid != __os.shortid:
+                        logging.warning(
+                            'ISO \'%s\' was matched by OS \'%s\' while it '
+                            'should only be matched by OS \'%s\'',
+                            isodatamedia.filename, __os.shortid, _os.shortid)
+                    else:
+                        logging.info('ISO \'%s\' matched by OS \'%s\'',
+                                     isodatamedia.filename, __os.shortid)
+                    # For several distros we do not have the volume-size
+                    # set as part of our DB, thus multiple detections may
+                    # occur. Although this case is not the optimal, as long
+                    # as we detect the very same distro it's okay-ish.
+                    if not __os.shortid in detected:
+                        detected.append(__os.shortid)
+
+        if len(detected) != 1:
+            logging.warning('Some ISOs have been matched several times by '
+                            'the different OSes, which indicates an issue '
+                            'in the DB entries.')
+        assert len(detected) == 1
+
+
+class _ISODataMedia():
+    def __init__(self, filename, shortid, volumeid, publisherid, systemid,
+                 applicationid, volumesize):
+
+        self.filename = filename
+        self.shortid = shortid
+        self.volumeid = volumeid if volumeid is not None else ''
+        self.publisherid = publisherid if publisherid is not None else ''
+        self.systemid = systemid if systemid is not None else ''
+        self.applicationid = applicationid \
+                if applicationid is not None else ''
+        self.volumesize = volumesize if volumesize is not None else 0
+
+    def match(self, media):
+        if media.volumeid == '' and \
+           media.systemid == '' and \
+           media.publisherid == '' and \
+           media.applicationid == '' and \
+           media.volumesize == 0:
+            return False
+
+        volumesize = media.volumesize
+        if volumesize == 0:
+            volumesize = self.volumesize
+
+        logging.warning("media.volumeid: %s | self.volumeid: %s", media.volumeid, self.volumeid)
+        if bool(re.match(media.volumeid, self.volumeid)) and \
+           bool(re.match(media.publisherid, self.publisherid)) and \
+           bool(re.match(media.applicationid, self.applicationid)) and \
+           bool(re.match(media.systemid, self.systemid)) and \
+           volumesize == self.volumesize:
+            return True
+
+        return False
+
+def _get_value(string, prefix, return_type=str):
+    if string.startswith(prefix):
+        return return_type(string.split(': ')[-1].strip())
+    return None
+
+def _get_volumeid(string):
+    return _get_value(string, 'Volume id: ')
+
+def _get_publisherid(string):
+    return _get_value(string, 'Publisher id: ')
+
+def _get_systemid(string):
+    return _get_value(string, 'System id: ')
+
+def _get_applicationid(string):
+    return _get_value(string, 'Application id: ')
+
+def _get_logicalblock(string):
+    return _get_value(string, 'Logical block size is: ', int)
+
+def _get_volumesize(string):
+    return _get_value(string, 'Volume size is: ', int)
+
+def _get_isodatamedia(filepath, shortid):
+    volumeid = None
+    publisherid = None
+    systemid = None
+    applicationid = None
+    logicalblock = None
+    volumesize = None
+
+    with open(filepath, 'r') as out:
+        for line in out.readlines():
+            if volumeid is None:
+                volumeid = _get_volumeid(line)
+            if publisherid is None:
+                publisherid = _get_publisherid(line)
+            if systemid is None:
+                systemid = _get_systemid(line)
+            if applicationid is None:
+                applicationid = _get_applicationid(line)
+            if logicalblock is None:
+                logicalblock = _get_logicalblock(line)
+            if volumesize is None:
+                volumesize = _get_volumesize(line)
+
+    if logicalblock is not None and volumesize is not None:
+        volumesize *= logicalblock
+    else:
+        volumesize = None
+
+    return _ISODataMedia(filepath, shortid, volumeid, publisherid, systemid,
+                         applicationid, volumesize)
+
+def _get_isodatamedias(_os):
+    isodata_path = os.path.join(
+        os.path.dirname(os.path.realpath(__file__)),
+        'isodata')
+    shortid_path = os.path.join(isodata_path, _os.distro, _os.shortid)
+
+    medias = []
+    if not os.path.exists(shortid_path):
+        return []
+
+    for _file in os.listdir(shortid_path):
+        path = os.path.join(shortid_path, _file)
+        if not os.path.exists(path):
+            continue
+
+        medias.append(_get_isodatamedia(path, _os.shortid))
+    return medias
-- 
2.20.1


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