def test_grep_line(self):
string = """some text
some more text
following line"""
p = Parser(string)
assert p.grep_line("some more",
nlines=1) == "some more text\nfollowing line"
assert p.grep_line("wrong text") is None
def test_get_value(self):
p = Parser("line to match 0.1 xxx")
assert p.get_value("line to", -2, 0, float) == pytest.approx(0.1)