def test_fullcapture_simple(self):
flags = self.flags
#fullcapture tests for captures of fixed length
pattern = 'lpeg.C(lpeg.P("a"))'
#captures exactly the string "a"
res = processcaptures(runbypattern(pattern, "a", flags).captures,
"a",
flags=flags).split()
assert res == ["a"]
res = processcaptures(runbypattern(pattern, "", flags).captures,
"",
flags=flags).split()
assert res == []
def test_processcapture_full_position(self):
flags = self.flags
pattern = 'lpeg.P"a"^0*lpeg.Cp()'
#captures the position of the end of a string of "a"s
inputstring = "aaaa"
captures = runbypattern(pattern, inputstring, flags).captures
assert processcaptures(captures, inputstring).split() == ["POSITION:4"]
def test_opencapture_simple_closecapture(self):
flags = self.flags
pattern = 'lpeg.C(lpeg.R("09")^0)'
#captures a number
captures = runbypattern(pattern, "123", flags).captures
assert captures is not None
assert processcaptures(captures, "123").split() == ["123"]
def test_fullcapture_position(self):
flags = self.flags
pattern = 'lpeg.P"a"^0*lpeg.Cp()'
#captures the position of the end of a string of "a"s
vmout = runbypattern(pattern, "a", flags=flags)
assert processcaptures(vmout.captures, "a").split() == ["POSITION:1"]
runbypattern(pattern, "b", flags=flags)
runbypattern(pattern, "", flags=flags)
def test_processcapture_open_simple(self):
flags = self.flags
pattern = 'lpeg.R("09")^0 * lpeg.C( lpeg.R("az")) * lpeg.R("09")^0'
#captures a number
#followed by a letter
#followed by a number
inputstring = "123a567"
captures = runbypattern(pattern, inputstring, flags).captures
assert processcaptures(captures, inputstring).split() == ["a"]
def test_opencapture_simple_closecapture_search(self):
flags = self.flags
pattern = 'lpeg.P{ lpeg.C(lpeg.R("09")^1) + 1 * lpeg.V(1)}^0'
#searches text for numbers
input = "1h12h999x"
captures = runbypattern(pattern, input, flags).captures
#print captures
assert captures is not None
assert processcaptures(captures, input).split() == ["999", "12", "1"]
def test_fullcapture_simple_2(self):
flags = self.flags
pattern = 'lpeg.C(lpeg.P("ab"))'
#captures exactly the string "ab"
runbypattern(pattern, "", flags=flags)
runbypattern(pattern, "a", flags=flags)
vmout = runbypattern(pattern, "ab", flags=flags)
assert processcaptures(vmout.captures, "ab").split() == ["ab"]
runbypattern(pattern, "banana", flags)