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# -*- coding: utf-8 -*-
"""Tests sqlparse function."""
import pytest
from tests.utils import TestCaseBase
import sqlparse
import sqlparse.sql
from sqlparse import tokens as T
class SQLParseTest(TestCaseBase):
"""Tests sqlparse.parse()."""
def test_tokenize(self):
sql = 'select * from foo;'
stmts = sqlparse.parse(sql)
self.assertEqual(len(stmts), 1)
self.assertEqual(str(stmts[0]), sql)
def test_multistatement(self):
sql1 = 'select * from foo;'
sql2 = 'select * from bar;'
stmts = sqlparse.parse(sql1 + sql2)
self.assertEqual(len(stmts), 2)
self.assertEqual(str(stmts[0]), sql1)
self.assertEqual(str(stmts[1]), sql2)
def test_newlines(self):
sql = u'select\n*from foo;'
p = sqlparse.parse(sql)[0]
self.assertEqual(unicode(p), sql)
sql = u'select\r\n*from foo'
p = sqlparse.parse(sql)[0]
self.assertEqual(unicode(p), sql)
sql = u'select\r*from foo'
p = sqlparse.parse(sql)[0]
self.assertEqual(unicode(p), sql)
sql = u'select\r\n*from foo\n'
p = sqlparse.parse(sql)[0]
self.assertEqual(unicode(p), sql)
def test_within(self):
sql = 'foo(col1, col2)'
p = sqlparse.parse(sql)[0]
col1 = p.tokens[0].tokens[1].tokens[1].tokens[0]
self.assert_(col1.within(sqlparse.sql.Function))
def test_child_of(self):
sql = '(col1, col2)'
p = sqlparse.parse(sql)[0]
self.assert_(p.tokens[0].tokens[1].is_child_of(p.tokens[0]))
sql = 'select foo'
p = sqlparse.parse(sql)[0]
self.assert_(not p.tokens[2].is_child_of(p.tokens[0]))
self.assert_(p.tokens[2].is_child_of(p))
def test_has_ancestor(self):
sql = 'foo or (bar, baz)'
p = sqlparse.parse(sql)[0]
baz = p.tokens[-1].tokens[1].tokens[-1]
self.assert_(baz.has_ancestor(p.tokens[-1].tokens[1]))
self.assert_(baz.has_ancestor(p.tokens[-1]))
self.assert_(baz.has_ancestor(p))
def test_float(self):
t = sqlparse.parse('.5')[0].tokens
self.assertEqual(len(t), 1)
self.assert_(t[0].ttype is sqlparse.tokens.Number.Float)
t = sqlparse.parse('.51')[0].tokens
self.assertEqual(len(t), 1)
self.assert_(t[0].ttype is sqlparse.tokens.Number.Float)
t = sqlparse.parse('1.5')[0].tokens
self.assertEqual(len(t), 1)
self.assert_(t[0].ttype is sqlparse.tokens.Number.Float)
t = sqlparse.parse('12.5')[0].tokens
self.assertEqual(len(t), 1)
self.assert_(t[0].ttype is sqlparse.tokens.Number.Float)
def test_placeholder(self):
def _get_tokens(sql):
return sqlparse.parse(sql)[0].tokens[-1].tokens
t = _get_tokens('select * from foo where user = ?')
self.assert_(t[-1].ttype is sqlparse.tokens.Name.Placeholder)
self.assertEqual(t[-1].value, '?')
t = _get_tokens('select * from foo where user = :1')
self.assert_(t[-1].ttype is sqlparse.tokens.Name.Placeholder)
self.assertEqual(t[-1].value, ':1')
t = _get_tokens('select * from foo where user = :name')
self.assert_(t[-1].ttype is sqlparse.tokens.Name.Placeholder)
self.assertEqual(t[-1].value, ':name')
t = _get_tokens('select * from foo where user = %s')
self.assert_(t[-1].ttype is sqlparse.tokens.Name.Placeholder)
self.assertEqual(t[-1].value, '%s')
t = _get_tokens('select * from foo where user = $a')
self.assert_(t[-1].ttype is sqlparse.tokens.Name.Placeholder)
self.assertEqual(t[-1].value, '$a')
def test_modulo_not_placeholder(self):
tokens = list(sqlparse.lexer.tokenize('x %3'))
self.assertEqual(tokens[2][0], sqlparse.tokens.Operator)
def test_access_symbol(self): # see issue27
t = sqlparse.parse('select a.[foo bar] as foo')[0].tokens
self.assert_(isinstance(t[-1], sqlparse.sql.Identifier))
self.assertEqual(t[-1].get_name(), 'foo')
self.assertEqual(t[-1].get_real_name(), '[foo bar]')
self.assertEqual(t[-1].get_parent_name(), 'a')
def test_square_brackets_notation_isnt_too_greedy(self): # see issue153
t = sqlparse.parse('[foo], [bar]')[0].tokens
self.assert_(isinstance(t[0], sqlparse.sql.IdentifierList))
self.assertEqual(len(t[0].tokens), 4)
self.assertEqual(t[0].tokens[0].get_real_name(), '[foo]')
self.assertEqual(t[0].tokens[-1].get_real_name(), '[bar]')
def test_keyword_like_identifier(self): # see issue47
t = sqlparse.parse('foo.key')[0].tokens
self.assertEqual(len(t), 1)
self.assert_(isinstance(t[0], sqlparse.sql.Identifier))
def test_function_parameter(self): # see issue94
t = sqlparse.parse('abs(some_col)')[0].tokens[0].get_parameters()
self.assertEqual(len(t), 1)
self.assert_(isinstance(t[0], sqlparse.sql.Identifier))
def test_function_param_single_literal(self):
t = sqlparse.parse('foo(5)')[0].tokens[0].get_parameters()
self.assertEqual(len(t), 1)
self.assert_(t[0].ttype is T.Number.Integer)
def test_nested_function(self):
t = sqlparse.parse('foo(bar(5))')[0].tokens[0].get_parameters()
self.assertEqual(len(t), 1)
self.assert_(type(t[0]) is sqlparse.sql.Function)
def test_quoted_identifier():
t = sqlparse.parse('select x.y as "z" from foo')[0].tokens
assert isinstance(t[2], sqlparse.sql.Identifier)
assert t[2].get_name() == 'z'
assert t[2].get_real_name() == 'y'
@pytest.mark.parametrize('name', [
'foo',
'_foo',
])
def test_valid_identifier_names(name): # issue175
t = sqlparse.parse(name)[0].tokens
assert isinstance(t[0], sqlparse.sql.Identifier)
def test_psql_quotation_marks(): # issue83
# regression: make sure plain $$ work
t = sqlparse.split("""
CREATE OR REPLACE FUNCTION testfunc1(integer) RETURNS integer AS $$
....
$$ LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION testfunc2(integer) RETURNS integer AS $$
....
$$ LANGUAGE plpgsql;""")
assert len(t) == 2
# make sure $SOMETHING$ works too
t = sqlparse.split("""
CREATE OR REPLACE FUNCTION testfunc1(integer) RETURNS integer AS $PROC_1$
....
$PROC_1$ LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION testfunc2(integer) RETURNS integer AS $PROC_2$
....
$PROC_2$ LANGUAGE plpgsql;""")
assert len(t) == 2
def test_double_precision_is_builtin():
sql = 'DOUBLE PRECISION'
t = sqlparse.parse(sql)[0].tokens
assert (len(t) == 1
and t[0].ttype == sqlparse.tokens.Name.Builtin
and t[0].value == 'DOUBLE PRECISION')
@pytest.mark.parametrize('ph', ['?', ':1', ':foo', '%s', '%(foo)s'])
def test_placeholder(ph):
p = sqlparse.parse(ph)[0].tokens
assert len(p) == 1
assert p[0].ttype is T.Name.Placeholder
@pytest.mark.parametrize('num', ['6.67428E-8', '1.988e33', '1e-12'])
def test_scientific_numbers(num):
p = sqlparse.parse(num)[0].tokens
assert len(p) == 1
assert p[0].ttype is T.Number.Float
def test_single_quotes_are_strings():
p = sqlparse.parse("'foo'")[0].tokens
assert len(p) == 1
assert p[0].ttype is T.String.Single
def test_double_quotes_are_identifiers():
p = sqlparse.parse('"foo"')[0].tokens
assert len(p) == 1
assert isinstance(p[0], sqlparse.sql.Identifier)
def test_single_quotes_with_linebreaks(): # issue118
p = sqlparse.parse("'f\nf'")[0].tokens
assert len(p) == 1
assert p[0].ttype is T.String.Single
def test_sqlite_identifiers():
# Make sure we still parse sqlite style escapes
p = sqlparse.parse('[col1],[col2]')[0].tokens
assert (len(p) == 1
and isinstance(p[0], sqlparse.sql.IdentifierList)
and [id.get_name() for id in p[0].get_identifiers()]
== ['[col1]', '[col2]'])
p = sqlparse.parse('[col1]+[col2]')[0]
types = [tok.ttype for tok in p.flatten()]
assert types == [T.Name, T.Operator, T.Name]
def test_simple_1d_array_index():
p = sqlparse.parse('col[1]')[0].tokens
assert len(p) == 1
assert p[0].get_name() == 'col'
indices = list(p[0].get_array_indices())
assert (len(indices) == 1 # 1-dimensional index
and len(indices[0]) == 1 # index is single token
and indices[0][0].value == '1')
def test_2d_array_index():
p = sqlparse.parse('col[x][(y+1)*2]')[0].tokens
assert len(p) == 1
assert p[0].get_name() == 'col'
assert len(list(p[0].get_array_indices())) == 2 # 2-dimensional index
def test_array_index_function_result():
p = sqlparse.parse('somefunc()[1]')[0].tokens
assert len(p) == 1
assert len(list(p[0].get_array_indices())) == 1
def test_schema_qualified_array_index():
p = sqlparse.parse('schem.col[1]')[0].tokens
assert len(p) == 1
assert p[0].get_parent_name() == 'schem'
assert p[0].get_name() == 'col'
assert list(p[0].get_array_indices())[0][0].value == '1'
def test_aliased_array_index():
p = sqlparse.parse('col[1] x')[0].tokens
assert len(p) == 1
assert p[0].get_alias() == 'x'
assert p[0].get_real_name() == 'col'
assert list(p[0].get_array_indices())[0][0].value == '1'
def test_array_literal():
# See issue #176
p = sqlparse.parse('ARRAY[%s, %s]')[0]
assert len(p.tokens) == 2
assert len(list(p.flatten())) == 7
def test_typed_array_definition():
# array indices aren't grouped with builtins, but make sure we can extract
# indentifer names
p = sqlparse.parse('x int, y int[], z int')[0]
names = [x.get_name() for x in p.get_sublists()
if isinstance(x, sqlparse.sql.Identifier)]
assert names == ['x', 'y', 'z']
@pytest.mark.parametrize('sql', [
'select 1 -- foo',
'select 1 # foo' # see issue178
])
def test_single_line_comments(sql):
p = sqlparse.parse(sql)[0]
assert len(p.tokens) == 5
assert p.tokens[-1].ttype == T.Comment.Single
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