def __init__(self, g):
self.passed = True
self.fail_reasons = []
q = g.query('''
PREFIX proms: <http://promsns.org/def/proms#>
PREFIX prov: <http://www.w3.org/ns/prov#>
ASK
WHERE {
?s a proms:ExternalReport .
?s proms:startingActivity ?sa .
?s proms:endingActivity ?sa .
}
''')
if not bool(q):
self.fail_reasons.append(
'The Report does not contain a single Activity indicated as both the starting and ending Activity'
)
# determine passed due to any fail_reasons
# if there are any failure reasons it means it's failed
if self.fail_reasons:
self.passed = False
Rule.__init__(
self,
'Single Activity',
'The Report has the same starting & ending Activity',
'PROMS Ontology',
self.passed,
self.fail_reasons,
1, # the number of individual tests
len(self.fail_reasons) # the number of tests failed
)
def __init__(self, request):
self.passed = True
self.fail_reasons = []
body = request.data # don't use request.content as Flask can't handle the text/uri-list mimetype
# if content-length zero, don't allow content
if int(request.headers.get('Content-Length')) == 0 and len(str(body).strip()) > 0:
self.fail_reasons.append(
'The Content-Length header indicates no content and yet there is body content')
# if content, it needs to be a linbreak list of URIs only
for line in body.split('\n'):
if not self.is_a_uri(line.strip()):
self.fail_reasons.append(
'The line {} is not a valid URI'.format(line))
# determine passed due to any fail_reasons
# if there are any failure reasons it means it's failed
if self.fail_reasons:
self.passed = False
Rule.__init__(
self,
'PROV-AQ Body',
'The pingback must have a valid PROV-AQ-specified body',
'PROV-AQ',
self.passed,
self.fail_reasons,
1, # the number of individual tests
len(self.fail_reasons) # the number of tests failed
)
def __init__(self, g):
self.passed = True
self.fail_reasons = []
# to get to this rule, the PingbackDeclaration Rule must already have passed which means that there is at least
# one Entity which has a prov:pingback property
q = '''
PREFIX prov: <http://www.w3.org/ns/prov#>
ASK
WHERE {
?e prov:pingback ?pb .
{?a prov:generated ?e . }
UNION
{?e prov:wasGeneratedBy ?a . }
}
'''
qres = g.query(q)
if bool(qres):
self.passed = False
self.fail_reasons.append(
'R3: Pingbacks cannot be sent for Entities declared as prov:wasGeneratedBy or prov:wasDerivedFrom in '
'the pingbacked graph')
Rule.__init__(
self,
'Pingback Declaration',
'Entities being pingbacked for must be prov:used in the pingback graph',
'PROV-AQ',
self.passed,
self.fail_reasons,
1, # the number of individual tests
len(self.fail_reasons) # the number of tests failed
)
def __init__(self, g):
self.passed = True
self.fail_reasons = []
q = g.query('''
PREFIX proms: <http://promsns.org/def/proms#>
ASK
WHERE {
?s a proms:InternalReport .
?s proms:startingActivity ?sa .
?s proms:endingActivity ?ea .
FILTER (?sa != ?ea)
}
''')
if not bool(q):
self.fail_reasons.append(
'The Report does not contain at least two different Activities '
'indicated by the starting and ending Activity')
# determine passed due to any fail_reasons
# if there are any failure reasons it means it's failed
if self.fail_reasons:
self.passed = False
Rule.__init__(
self,
'Single Activity',
'The Report has the different starting & ending Activities',
'PROMS Ontology',
self.passed,
self.fail_reasons,
1, # the number of individual tests
len(self.fail_reasons) # the number of tests failed
)
def __init__(self, g, pingback_endpoint):
self.passed = True
self.fail_reasons = []
q = '''
PREFIX prov: <http://www.w3.org/ns/prov#>
ASK
WHERE {
?e a prov:Entity ;
prov:pingback <%s> .
}
''' % pingback_endpoint
qres = g.query(q)
if not bool(qres):
self.passed = False
self.fail_reasons.append(
'R2: No prov:Entity contains a prov:pingback property pointing to {}'
.format(pingback_endpoint))
Rule.__init__(
self,
'Pingback Declaration',
'At least one prov:Entity (or subclass) must declare a prov:pingback property with the pingback target URI '
'as its range value (object).',
'PROV-AQ',
self.passed,
self.fail_reasons,
1, # the number of individual tests
len(self.fail_reasons) # the number of tests failed
)
def __init__(self, report_graph):
self.passed = True
self.fail_reasons = []
self.components_total_count = 1
self.components_failed_count = 0
q = ''' PREFIX proms: <http://promsns.org/def/proms#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
ASK
WHERE {
?s a proms:ReportingSystem .
?s rdfs:label ?t .
}
'''
qr = report_graph.query(q)
if not bool(qr):
self.passed = False
self.fail_reasons.append(
'The Reporting System class does not contain an rdfs:label')
# Rule constructor
Rule.__init__(
self, 'Has a Label', 'PROMS-O',
'Reporting System must have a label, as defined in the PROMS ontology',
self.passed, self.fail_reasons, 1, 0)
def __init__(self, g):
self.passed = True
self.fail_reasons = []
q = g.query('''
PREFIX proms: <http://promsns.org/def/proms#>
PREFIX prov: <http://www.w3.org/ns/prov#>
ASK
WHERE {
{ ?s a proms:Report .}
UNION
{ ?s a proms:BasicReport .}
UNION
{ ?s a proms:ExternalReport .}
UNION
{ ?s a proms:InternalReport .}
?s proms:startingActivity ?rs .
?rs a prov:Activity .
}
''')
if not bool(q):
self.fail_reasons.append(
'The Report class does not contain a proms:startingActivity')
q = g.query('''
PREFIX proms: <http://promsns.org/def/proms#>
PREFIX prov: <http://www.w3.org/ns/prov#>
ASK
WHERE {
{ ?s a proms:Report .}
UNION
{ ?s a proms:BasicReport .}
UNION
{ ?s a proms:ExternalReport .}
UNION
{ ?s a proms:InternalReport .}
?s proms:endingActivity ?rs .
?rs a prov:Activity .
}
''')
if not bool(q):
self.fail_reasons.append(
'The Report class does not contain a proms:endingActivity')
# determine passed due to any fail_reasons
# if there are any failure reasons it means it's failed
if self.fail_reasons:
self.passed = False
Rule.__init__(
self,
'Start End Activities',
'The report has starting & ending Activities',
'PROMS Ontology',
self.passed,
self.fail_reasons,
2, # the number of individual tests
len(self.fail_reasons) # the number of tests failed
)
def __init__(self, g):
self.passed = True
self.fail_reasons = []
q = g.query('''
PREFIX proms: <http://promsns.org/def/proms#>
PREFIX prov: <http://www.w3.org/ns/prov#>
ASK
WHERE {
?s a proms:ExternalReport .
?s proms:startingActivity ?act .
?act prov:used ?e1.
?e1 a prov:Entity.
}
''')
if not bool(q):
self.fail_reasons.append(
'The Report\'s Activity does not use any Entities')
q = g.query('''
PREFIX proms: <http://promsns.org/def/proms#>
PREFIX prov: <http://www.w3.org/ns/prov#>
ASK
WHERE {
?s a proms:ExternalReport .
?s proms:startingActivity ?act .
?act prov:generated ?e1.
?e1 a prov:Entity.
}
''')
if not bool(q):
self.fail_reasons.append(
'The Report\'s Activity does not generate any Entities')
# determine passed due to any fail_reasons
# if there are any failure reasons it means it's failed
if self.fail_reasons:
self.passed = False
Rule.__init__(
self,
'Activity Entities',
'The report\'s Activity has at least one prov:used and one prov:generated Entity',
'PROMS Ontology',
self.passed,
self.fail_reasons,
2, # the number of individual tests
len(self.fail_reasons) # the number of tests failed
)
def __init__(self, g):
self.passed = True
self.fail_reasons = []
reporting_system_uri = None
# get the ReportingSystem URI
q = g.query('''
PREFIX proms: <http://promsns.org/def/proms#>
SELECT ?rs
WHERE {
?r proms:wasReportedBy ?rs .
}
''')
for r in q:
reporting_system_uri = str(r['rs'])
# check to see if this ReportingSystem already exists in the provenance _database
q = '''
PREFIX proms: <http://promsns.org/def/proms#>
ASK
WHERE { GRAPH ?g {
<%(reporting_system_uri)s> ?p proms:ReportingSystem .
}}
''' % {
'reporting_system_uri': reporting_system_uri
}
if not queries.query(q)['boolean']:
self.fail_reasons.append(
'The Report does not refer to an existing ReportingSystem within the '
'provenance _database')
self.passed = False
Rule.__init__(
self,
'Report\'s Reporting System',
'Reports can only be lodged for ReportingSystems already in the provenance _database',
'PROMS system',
self.passed,
self.fail_reasons,
1, # the number of individual tests
len(self.fail_reasons) # the number of tests failed
)
def __init__(self, request):
self.passed = True
self.fail_reasons = []
# not valid if Content-Type not set to text/uri-list
if request.headers.get('Content-Type') != 'text/uri-list':
self.fail_reasons.append(
'The pingback message must have a content-type of \'text/uri-list\' defined in the HTTP header'
)
# not valid if no Link header set and Content-Length == 0
if not request.headers.get('Link') and int(
request.headers.get('Content-Length')) == 0:
self.fail_reasons.append(
'The pingback message must have either a non-zero Content-Length or a Link header set'
)
# validate each PROV-AQ Link header
if request.headers.get('Link'):
for link_header in request.headers.get('Link').split(','):
link_header_valid = self.valid_provaq_link_header(
link_header.strip())
if not link_header_valid[0]:
self.fail_reasons.append(
'The Link header "{}" is not valid: {}'.format(
link_header, ', '.join(link_header_valid[1])))
# determine passed due to any fail_reasons
# if there are any failure reasons it means it's failed
if self.fail_reasons:
self.passed = False
Rule.__init__(
self,
'PROV-AQ Header',
'The pingback must have a valid PROV-AQ-specified header',
'PROV-AQ',
self.passed,
self.fail_reasons,
1, # the number of individual tests
len(self.fail_reasons) # the number of tests failed
)
def __init__(self, g):
self.passed = True
self.fail_reasons = []
qres = g.query('''
PREFIX prov: <http://www.w3.org/ns/prov#>
PREFIX proms: <http://promsns.org/def/proms#>
ASK
WHERE {
?s a proms:InternalReport .
?s proms:startingActivity ?sa .
?sa prov:startedAtTime ?sasat .
?s proms:endingActivity ?ea .
?ea prov:startedAtTime ?easat .
FILTER (?sasat < ?easat)
}
''')
if not bool(qres):
self.fail_reasons.append(
'The Report\'s starting Activity doesn\'t start before its ending Activity starts'
)
# determine passed due to any fail_reasons
# if there are any failure reasons it means it's failed
if self.fail_reasons:
self.passed = False
Rule.__init__(
self,
'Starting Ending Activity',
'The starting Activity of the Report must start before the Ending Activity starts',
'PROMS Ontology',
self.passed,
self.fail_reasons,
1, # the number of individual tests
len(self.fail_reasons) # the number of tests failed
)
def __init__(self, request):
self.passed = True
self.fail_reasons = []
# must be an RDF content type
rdf_content_types = [
'text/turtle', 'text/ntriples', 'text/n3', 'application/rdf+xml',
'application/ld+json'
]
if request.headers.get('Content-Type') not in rdf_content_types:
self.passed = False
self.fail_reasons.append(
'PROMS pingback messages must have an RDF Content-Type')
Rule.__init__(
self,
'PROMS pingback header',
'The pingback must have a valid PROMS-specified header',
'PROVMS-O Pingbacks',
self.passed,
self.fail_reasons,
1, # the number of individual tests
len(self.fail_reasons) # the number of tests failed
)
def __init__(self, g):
self.passed = True
self.fail_reasons = []
# has a Report class
q = g.query('''
PREFIX proms: <http://promsns.org/def/proms#>
SELECT ?s
WHERE {
{ ?s a proms:Report .}
UNION
{ ?s a proms:BasicReport .}
UNION
{ ?s a proms:ExternalReport .}
UNION
{ ?s a proms:InternalReport .}
}
''')
if not bool(q):
self.fail_reasons.append(
'The report does not contain a Report class or subclass')
# has a label
q = g.query('''
PREFIX proms: <http://promsns.org/def/proms#>
PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
SELECT ?s
WHERE {
{ ?s a proms:Report .}
UNION
{ ?s a proms:BasicReport .}
UNION
{ ?s a proms:ExternalReport .}
UNION
{ ?s a proms:InternalReport .}
?s rdfs:label ?label .
}
''')
if not bool(q):
self.fail_reasons.append(
'The Report class does not contain an rdfs:label')
# has a nativeId
q = g.query('''
PREFIX proms: <http://promsns.org/def/proms#>
SELECT ?s
WHERE {
{ ?s a proms:Report .}
UNION
{ ?s a proms:BasicReport .}
UNION
{ ?s a proms:ExternalReport .}
UNION
{ ?s a proms:InternalReport .}
?s proms:nativeId ?j .
}
''')
if not bool(q):
self.fail_reasons.append(
'The Report class does not contain a proms:nativeId')
# has a ReportingSystem
q = g.query('''
PREFIX proms: <http://promsns.org/def/proms#>
SELECT ?s
WHERE {
{ ?s a proms:Report .}
UNION
{ ?s a proms:BasicReport .}
UNION
{ ?s a proms:ExternalReport .}
UNION
{ ?s a proms:InternalReport .}
?s proms:wasReportedBy ?rs .
}
''')
if not bool(q):
self.fail_reasons.append(
'The Report class does not indicate which ReportingSystem reported it with a '
'proms:wasReportedBy property')
# has a generatedAtTime
q = g.query('''
PREFIX proms: <http://promsns.org/def/proms#>
PREFIX prov: <http://www.w3.org/ns/prov#>
ASK
WHERE {
{ ?s a proms:Report .}
UNION
{ ?s a proms:BasicReport .}
UNION
{ ?s a proms:ExternalReport .}
UNION
{ ?s a proms:InternalReport .}
?s prov:generatedAtTime ?t .
}
''')
if not bool(q):
self.fail_reasons.append(
'The Report class does not contain a prov:generatedAtTime value'
)
# determine passed due to any fail_reasons
# if there are any failure reasons it means it's failed
if self.fail_reasons:
self.passed = False
Rule.__init__(
self,
'Report Class properties',
'Reports Class objects must contain certain properties set out in the PROMS Ontology',
'PROMS Ontology',
self.passed,
self.fail_reasons,
5, # the number of individual tests
len(self.fail_reasons) # the number of tests failed
)