def test__parser__grammar_startswith_a(seg_list, fresh_ansi_dialect, caplog):
"""Test the StartsWith grammar simply."""
baar = KeywordSegment.make("baar")
bar = KeywordSegment.make("bar")
with RootParseContext(dialect=fresh_ansi_dialect) as ctx:
with caplog.at_level(logging.DEBUG, logger="sqluff.parser"):
assert StartsWith(bar).match(seg_list, parse_context=ctx)
assert not StartsWith(baar).match(seg_list, parse_context=ctx)
def test__parser__grammar_startswith_a(keyword, match_truthy, seg_list,
fresh_ansi_dialect, caplog):
"""Test the StartsWith grammar simply."""
Keyword = StringParser(keyword, KeywordSegment)
grammar = StartsWith(Keyword)
with RootParseContext(dialect=fresh_ansi_dialect) as ctx:
with caplog.at_level(logging.DEBUG, logger="sqlfluff.parser"):
m = grammar.match(seg_list, parse_context=ctx)
assert bool(m) is match_truthy
def test__parser__grammar_startswith_b(
include_terminator, match_length, seg_list, fresh_ansi_dialect, caplog
):
"""Test the StartsWith grammar with a terminator (included & exluded)."""
baar = KeywordSegment.make("baar")
bar = KeywordSegment.make("bar")
grammar = StartsWith(bar, terminator=baar, include_terminator=include_terminator)
with RootParseContext(dialect=fresh_ansi_dialect) as ctx:
with caplog.at_level(logging.DEBUG, logger="sqlfluff.parser"):
m = grammar.match(seg_list, parse_context=ctx)
assert len(m) == match_length
def test__parser__grammar_startswith_b(seg_list, fresh_ansi_dialect, caplog):
"""Test the StartsWith grammar with a terminator (included & exluded)."""
baar = KeywordSegment.make("baar")
bar = KeywordSegment.make("bar")
with RootParseContext(dialect=fresh_ansi_dialect) as ctx:
with caplog.at_level(logging.DEBUG, logger="sqluff.parser"):
m = StartsWith(bar, terminator=baar).match(seg_list,
parse_context=ctx)
assert len(m) == 3
m = StartsWith(bar, terminator=baar,
include_terminator=True).match(seg_list,
parse_context=ctx)
# NB: We'll end up matching the terminating whitespace too
assert len(m) == 5
def test__parser__grammar_startswith_a():
"""Test the StartsWith grammar fails when no terminator supplied."""
Keyword = StringParser("foo", KeywordSegment)
with pytest.raises(AssertionError):
StartsWith(Keyword)