Viewing file:  test_predicate_list.py (1.89 KB) -rw-r--r--
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from Ft.Xml import Domlette
from xml.dom import Node
source_1 = """<?xml version="1.0"?>
<elementList>
<element>
<x>
<y>a</y>
</x>
</element>
<element>
<x>
<y>z</y>
</x>
</element>
</elementList>"""
def Test(tester):
tester.startGroup('Predicate List')
tester.startTest('Checking syntax')
from Ft.Xml.XPath import ParsedPredicateList
from Ft.Xml.XPath import ParsedExpr
from Ft.Xml.XPath import Context
from Ft.Xml.XPath import Evaluate
import DummyExpr
DomTree = tester.test_data['tree']
tester.testDone()
tester.startTest('Creating test environment')
t = DummyExpr.DummyBooleanExpr(1)
f = DummyExpr.DummyBooleanExpr(0)
a = ParsedExpr.ParsedAndExpr(t,f)
o = ParsedExpr.ParsedOrExpr(t,f)
context = Context.Context(DomTree.ROOT,1,1)
tester.testDone()
p = ParsedPredicateList.ParsedPredicateList([a,t])
tester.startTest('Filter of "%s"' % repr(p))
result = p.filter([context.node], context, 0)
tester.compare(0, len(result))
tester.testDone()
p = ParsedPredicateList.ParsedPredicateList([o,t])
tester.startTest('Filter of "%s"' % repr(p))
result = p.filter([context.node], context, 0)
tester.compare([DomTree.ROOT], result)
tester.testDone()
dom = Domlette.NonvalidatingReader.parseString(source_1,'.')
expected = filter(lambda x: x.nodeType == Node.ELEMENT_NODE,
dom.documentElement.childNodes)[-1]
tests = [("//element[descendant::y[.='z']]", [expected]),
("//element[descendant::y[.='z']][1]", [expected]),
("//element[descendant::y[.='z']][2]", []),
]
for (expr, expected) in tests:
tester.startTest(expr)
actual = Evaluate(expr, contextNode=dom)
tester.compare(expected, actual)
tester.testDone()
return tester.groupDone()
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