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import types
from io import StringIO
import pytest
import sqlparse
from sqlparse import lexer
from sqlparse import sql, tokens as T
def test_tokenize_simple():
s = 'select * from foo;'
stream = lexer.tokenize(s)
assert isinstance(stream, types.GeneratorType)
tokens = list(stream)
assert len(tokens) == 8
assert len(tokens[0]) == 2
assert tokens[0] == (T.Keyword.DML, 'select')
assert tokens[-1] == (T.Punctuation, ';')
def test_tokenize_backticks():
s = '`foo`.`bar`'
tokens = list(lexer.tokenize(s))
assert len(tokens) == 3
assert tokens[0] == (T.Name, '`foo`')
@pytest.mark.parametrize('s', ['foo\nbar\n', 'foo\rbar\r',
'foo\r\nbar\r\n', 'foo\r\nbar\n'])
def test_tokenize_linebreaks(s):
# issue1
tokens = lexer.tokenize(s)
assert ''.join(str(x[1]) for x in tokens) == s
def test_tokenize_inline_keywords():
# issue 7
s = "create created_foo"
tokens = list(lexer.tokenize(s))
assert len(tokens) == 3
assert tokens[0][0] == T.Keyword.DDL
assert tokens[2][0] == T.Name
assert tokens[2][1] == 'created_foo'
s = "enddate"
tokens = list(lexer.tokenize(s))
assert len(tokens) == 1
assert tokens[0][0] == T.Name
s = "join_col"
tokens = list(lexer.tokenize(s))
assert len(tokens) == 1
assert tokens[0][0] == T.Name
s = "left join_col"
tokens = list(lexer.tokenize(s))
assert len(tokens) == 3
assert tokens[2][0] == T.Name
assert tokens[2][1] == 'join_col'
def test_tokenize_negative_numbers():
s = "values(-1)"
tokens = list(lexer.tokenize(s))
assert len(tokens) == 4
assert tokens[2][0] == T.Number.Integer
assert tokens[2][1] == '-1'
def test_token_str():
token = sql.Token(None, 'FoO')
assert str(token) == 'FoO'
def test_token_repr():
token = sql.Token(T.Keyword, 'foo')
tst = "<Keyword 'foo' at 0x"
assert repr(token)[:len(tst)] == tst
token = sql.Token(T.Keyword, '1234567890')
tst = "<Keyword '123456...' at 0x"
assert repr(token)[:len(tst)] == tst
def test_token_flatten():
token = sql.Token(T.Keyword, 'foo')
gen = token.flatten()
assert isinstance(gen, types.GeneratorType)
lgen = list(gen)
assert lgen == [token]
def test_tokenlist_repr():
p = sqlparse.parse('foo, bar, baz')[0]
tst = "<IdentifierList 'foo, b...' at 0x"
assert repr(p.tokens[0])[:len(tst)] == tst
def test_single_quotes():
p = sqlparse.parse("'test'")[0]
tst = "<Single \"'test'\" at 0x"
assert repr(p.tokens[0])[:len(tst)] == tst
def test_tokenlist_first():
p = sqlparse.parse(' select foo')[0]
first = p.token_first()
assert first.value == 'select'
assert p.token_first(skip_ws=False).value == ' '
assert sql.TokenList([]).token_first() is None
def test_tokenlist_token_matching():
t1 = sql.Token(T.Keyword, 'foo')
t2 = sql.Token(T.Punctuation, ',')
x = sql.TokenList([t1, t2])
assert x.token_matching([lambda t: t.ttype is T.Keyword], 0) == t1
assert x.token_matching([lambda t: t.ttype is T.Punctuation], 0) == t2
assert x.token_matching([lambda t: t.ttype is T.Keyword], 1) is None
def test_stream_simple():
stream = StringIO("SELECT 1; SELECT 2;")
tokens = lexer.tokenize(stream)
assert len(list(tokens)) == 9
stream.seek(0)
tokens = list(lexer.tokenize(stream))
assert len(tokens) == 9
stream.seek(0)
tokens = list(lexer.tokenize(stream))
assert len(tokens) == 9
def test_stream_error():
stream = StringIO("FOOBAR{")
tokens = list(lexer.tokenize(stream))
assert len(tokens) == 2
assert tokens[1][0] == T.Error
@pytest.mark.parametrize('expr', [
'JOIN',
'LEFT JOIN',
'LEFT OUTER JOIN',
'FULL OUTER JOIN',
'NATURAL JOIN',
'CROSS JOIN',
'STRAIGHT JOIN',
'INNER JOIN',
'LEFT INNER JOIN'])
def test_parse_join(expr):
p = sqlparse.parse('{} foo'.format(expr))[0]
assert len(p.tokens) == 3
assert p.tokens[0].ttype is T.Keyword
def test_parse_union(): # issue294
p = sqlparse.parse('UNION ALL')[0]
assert len(p.tokens) == 1
assert p.tokens[0].ttype is T.Keyword
@pytest.mark.parametrize('s', ['END IF', 'END IF', 'END\t\nIF',
'END LOOP', 'END LOOP', 'END\t\nLOOP'])
def test_parse_endifloop(s):
p = sqlparse.parse(s)[0]
assert len(p.tokens) == 1
assert p.tokens[0].ttype is T.Keyword
@pytest.mark.parametrize('s', ['NULLS FIRST', 'NULLS LAST'])
def test_parse_nulls(s): # issue487
p = sqlparse.parse(s)[0]
assert len(p.tokens) == 1
assert p.tokens[0].ttype is T.Keyword
@pytest.mark.parametrize('s', [
'foo',
'Foo',
'FOO',
'v$name', # issue291
])
def test_parse_identifiers(s):
p = sqlparse.parse(s)[0]
assert len(p.tokens) == 1
token = p.tokens[0]
assert str(token) == s
assert isinstance(token, sql.Identifier)
def test_parse_group_by():
p = sqlparse.parse('GROUP BY')[0]
assert len(p.tokens) == 1
assert p.tokens[0].ttype is T.Keyword
def test_parse_order_by():
p = sqlparse.parse('ORDER BY')[0]
assert len(p.tokens) == 1
assert p.tokens[0].ttype is T.Keyword
def test_parse_window_as():
p = sqlparse.parse('WINDOW w AS')[0]
assert len(p.tokens) == 5
assert p.tokens[0].ttype is T.Keyword
@pytest.mark.parametrize('s', (
"LIKE", "ILIKE", "NOT LIKE", "NOT ILIKE",
"NOT LIKE", "NOT ILIKE",
))
def test_like_and_ilike_parsed_as_comparisons(s):
p = sqlparse.parse(s)[0]
assert len(p.tokens) == 1
assert p.tokens[0].ttype == T.Operator.Comparison
@pytest.mark.parametrize('s', (
"LIKEaaa", "bILIKE", "aaILIKEbb", "NOTLIKE", "NOTILIKE",
))
def test_near_like_and_ilike_parsed_appropriately(s):
p = sqlparse.parse(s)[0]
assert len(p.tokens) == 1
assert isinstance(p.tokens[0], sql.Identifier)
@pytest.mark.parametrize('s', (
'AT TIME ZONE \'UTC\'',
))
def test_parse_tzcast(s):
p = sqlparse.parse(s)[0]
assert len(p.tokens) == 1
assert p.tokens[0].ttype == T.Keyword.TZCast
def test_cli_commands():
p = sqlparse.parse('\\copy')[0]
assert len(p.tokens) == 1
assert p.tokens[0].ttype == T.Command
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