def test_write_read(self):
with lightgrep.Program(0) as prog1:
with lightgrep.Pattern() as pat:
with lightgrep.Fsm(0) as fsm:
pat.parse("a+b", lightgrep.KeyOpts())
fsm.add_pattern(prog1, pat, 'UTF-8', 42)
prog1.compile(fsm, lightgrep.ProgOpts())
buf = prog1.write()
with lightgrep.Program(buf) as prog2:
self.assertEqual(prog2.count(), prog1.count())
self.assertEqual(prog2.size(), prog1.size())
def setUp(self):
self.prog = lightgrep.Program(0)
self.addCleanup(self.prog.close)
self.fsm = lightgrep.Fsm(0)
self.addCleanup(self.fsm.close)
self.pat = lightgrep.Pattern()
self.addCleanup(self.pat.close)
def test_size(self):
with lightgrep.Program(0) as prog:
with lightgrep.Pattern() as pat:
with lightgrep.Fsm(0) as fsm:
pat.parse("a+b", lightgrep.KeyOpts())
fsm.add_pattern(prog, pat, 'UTF-8', 42)
prog.compile(fsm, lightgrep.ProgOpts())
self.assertTrue(prog.size() > 0)
def setUp(self):
self.prog = lightgrep.Program(0)
self.addCleanup(self.prog.close)
with lightgrep.Pattern() as pat:
with lightgrep.Fsm(0) as fsm:
pat.parse("a+b", lightgrep.KeyOpts())
fsm.add_pattern(self.prog, pat, 'UTF-8', 42)
self.prog.compile(fsm, lightgrep.ProgOpts())
self.ctx = lightgrep.Context(self.prog, lightgrep.CtxOpts())
self.addCleanup(self.ctx.close)
withHits.reset()
# Bad input results in exceptions
print("---------------------------")
print("Exception due to a malformed pattern")
with lg.Pattern() as pat:
try:
pat.parse('+++', lg.KeyOpts())
except RuntimeError as e:
print(e)
print("---------------------------")
print("Results creating program and pattern map separately from context")
# Creating the program and pattern map separately from the context
with lg.Program(0) as prog:
with lg.Pattern() as pat:
with lg.Fsm(0) as fsm:
fsm.add_patterns(prog, pat, keys)
prog.compile(fsm, lg.ProgOpts())
myHits = lg.HitAccumulator()
with lg.Context(prog, lg.CtxOpts()) as ctx:
myHitCount = ctx.searchBuffer(searchData, myHits)
print(f"{myHitCount} hits found")
for h in myHits.Hits:
print(
f"hit at [{h['start']},{h['end']}) on keyindex {h['keywordIndex']}, pattern is '{h['pattern']}' with encoding chain '{h['encChain']}'"
)
myHits.reset()
def test_ctor_bad_args(self):
with lightgrep.Program(0) as prog:
arglist = [prog, lightgrep.CtxOpts()]
subs = (None, 'bogus')
fuzz_it(self, lightgrep.Context, arglist, subs)
def test_ctor_prog_closed(self):
with lightgrep.Program(0) as prog:
prog.close()
with self.assertRaises(RuntimeError):
lightgrep.Context(prog, lightgrep.CtxOpts())
def test_write_closed(self):
with lightgrep.Program(0) as prog:
prog.close()
with self.assertRaises(RuntimeError):
prog.write()
def test_count_unused(self):
with lightgrep.Program(0) as prog:
self.assertEqual(prog.count(), 0)
def test_close_unused(self):
# test that closing an unused Program doesn't throw
prog = lightgrep.Program(0)
prog.close()