mirror of
https://github.com/dbcli/pgcli.git
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268 lines
8.4 KiB
Python
268 lines
8.4 KiB
Python
import pytest
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from pgcli.packages.parseutils.tables import extract_tables
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from pgcli.packages.parseutils.utils import find_prev_keyword, is_open_quote
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def test_empty_string():
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tables = extract_tables('')
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assert tables == ()
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def test_simple_select_single_table():
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tables = extract_tables('select * from abc')
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assert tables == ((None, 'abc', None, False),)
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@pytest.mark.parametrize('sql', [
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'select * from "abc"."def"',
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'select * from abc."def"',
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])
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def test_simple_select_single_table_schema_qualified_quoted_table(sql):
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tables = extract_tables(sql)
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assert tables == (('abc', 'def', '"def"', False),)
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@pytest.mark.parametrize('sql', [
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'select * from abc.def',
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'select * from "abc".def',
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])
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def test_simple_select_single_table_schema_qualified(sql):
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tables = extract_tables(sql)
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assert tables == (('abc', 'def', None, False),)
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def test_simple_select_single_table_double_quoted():
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tables = extract_tables('select * from "Abc"')
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assert tables == ((None, 'Abc', None, False),)
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def test_simple_select_multiple_tables():
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tables = extract_tables('select * from abc, def')
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assert set(tables) == set([(None, 'abc', None, False),
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(None, 'def', None, False)])
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def test_simple_select_multiple_tables_double_quoted():
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tables = extract_tables('select * from "Abc", "Def"')
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assert set(tables) == set([(None, 'Abc', None, False),
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(None, 'Def', None, False)])
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def test_simple_select_single_table_deouble_quoted_aliased():
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tables = extract_tables('select * from "Abc" a')
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assert tables == ((None, 'Abc', 'a', False),)
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def test_simple_select_multiple_tables_deouble_quoted_aliased():
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tables = extract_tables('select * from "Abc" a, "Def" d')
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assert set(tables) == set([(None, 'Abc', 'a', False),
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(None, 'Def', 'd', False)])
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def test_simple_select_multiple_tables_schema_qualified():
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tables = extract_tables('select * from abc.def, ghi.jkl')
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assert set(tables) == set([('abc', 'def', None, False),
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('ghi', 'jkl', None, False)])
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def test_simple_select_with_cols_single_table():
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tables = extract_tables('select a,b from abc')
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assert tables == ((None, 'abc', None, False),)
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def test_simple_select_with_cols_single_table_schema_qualified():
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tables = extract_tables('select a,b from abc.def')
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assert tables == (('abc', 'def', None, False),)
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def test_simple_select_with_cols_multiple_tables():
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tables = extract_tables('select a,b from abc, def')
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assert set(tables) == set([(None, 'abc', None, False),
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(None, 'def', None, False)])
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def test_simple_select_with_cols_multiple_qualified_tables():
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tables = extract_tables('select a,b from abc.def, def.ghi')
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assert set(tables) == set([('abc', 'def', None, False),
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('def', 'ghi', None, False)])
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def test_select_with_hanging_comma_single_table():
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tables = extract_tables('select a, from abc')
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assert tables == ((None, 'abc', None, False),)
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def test_select_with_hanging_comma_multiple_tables():
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tables = extract_tables('select a, from abc, def')
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assert set(tables) == set([(None, 'abc', None, False),
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(None, 'def', None, False)])
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def test_select_with_hanging_period_multiple_tables():
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tables = extract_tables('SELECT t1. FROM tabl1 t1, tabl2 t2')
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assert set(tables) == set([(None, 'tabl1', 't1', False),
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(None, 'tabl2', 't2', False)])
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def test_simple_insert_single_table():
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tables = extract_tables('insert into abc (id, name) values (1, "def")')
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# sqlparse mistakenly assigns an alias to the table
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# AND mistakenly identifies the field list as
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# assert tables == ((None, 'abc', 'abc', False),)
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assert tables == ((None, 'abc', 'abc', False),)
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@pytest.mark.xfail
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def test_simple_insert_single_table_schema_qualified():
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tables = extract_tables('insert into abc.def (id, name) values (1, "def")')
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assert tables == (('abc', 'def', None, False),)
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def test_simple_update_table_no_schema():
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tables = extract_tables('update abc set id = 1')
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assert tables == ((None, 'abc', None, False),)
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def test_simple_update_table_with_schema():
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tables = extract_tables('update abc.def set id = 1')
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assert tables == (('abc', 'def', None, False),)
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@pytest.mark.parametrize('join_type', ['', 'INNER', 'LEFT', 'RIGHT OUTER'])
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def test_join_table(join_type):
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sql = 'SELECT * FROM abc a {0} JOIN def d ON a.id = d.num'.format(join_type)
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tables = extract_tables(sql)
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assert set(tables) == set([(None, 'abc', 'a', False),
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(None, 'def', 'd', False)])
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def test_join_table_schema_qualified():
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tables = extract_tables('SELECT * FROM abc.def x JOIN ghi.jkl y ON x.id = y.num')
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assert set(tables) == set([('abc', 'def', 'x', False),
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('ghi', 'jkl', 'y', False)])
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def test_incomplete_join_clause():
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sql = '''select a.x, b.y
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from abc a join bcd b
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on a.id = '''
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tables = extract_tables(sql)
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assert tables == ((None, 'abc', 'a', False),
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(None, 'bcd', 'b', False))
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def test_join_as_table():
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tables = extract_tables('SELECT * FROM my_table AS m WHERE m.a > 5')
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assert tables == ((None, 'my_table', 'm', False),)
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def test_multiple_joins():
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sql = '''select * from t1
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inner join t2 ON
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t1.id = t2.t1_id
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inner join t3 ON
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t2.id = t3.'''
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tables = extract_tables(sql)
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assert tables == (
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(None, 't1', None, False),
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(None, 't2', None, False),
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(None, 't3', None, False))
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def test_subselect_tables():
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sql = 'SELECT * FROM (SELECT FROM abc'
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tables = extract_tables(sql)
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assert tables == ((None, 'abc', None, False),)
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@pytest.mark.parametrize('text', ['SELECT * FROM foo.', 'SELECT 123 AS foo'])
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def test_extract_no_tables(text):
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tables = extract_tables(text)
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assert tables == tuple()
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@pytest.mark.parametrize('arg_list', ['', 'arg1', 'arg1, arg2, arg3'])
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def test_simple_function_as_table(arg_list):
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tables = extract_tables('SELECT * FROM foo({0})'.format(arg_list))
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assert tables == ((None, 'foo', None, True),)
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@pytest.mark.parametrize('arg_list', ['', 'arg1', 'arg1, arg2, arg3'])
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def test_simple_schema_qualified_function_as_table(arg_list):
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tables = extract_tables('SELECT * FROM foo.bar({0})'.format(arg_list))
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assert tables == (('foo', 'bar', None, True),)
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@pytest.mark.parametrize('arg_list', ['', 'arg1', 'arg1, arg2, arg3'])
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def test_simple_aliased_function_as_table(arg_list):
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tables = extract_tables('SELECT * FROM foo({0}) bar'.format(arg_list))
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assert tables == ((None, 'foo', 'bar', True),)
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def test_simple_table_and_function():
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tables = extract_tables('SELECT * FROM foo JOIN bar()')
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assert set(tables) == set([(None, 'foo', None, False),
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(None, 'bar', None, True)])
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def test_complex_table_and_function():
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tables = extract_tables('''SELECT * FROM foo.bar baz
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JOIN bar.qux(x, y, z) quux''')
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assert set(tables) == set([('foo', 'bar', 'baz', False),
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('bar', 'qux', 'quux', True)])
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def test_find_prev_keyword_using():
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q = 'select * from tbl1 inner join tbl2 using (col1, '
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kw, q2 = find_prev_keyword(q)
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assert kw.value == '(' and q2 == 'select * from tbl1 inner join tbl2 using ('
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@pytest.mark.parametrize('sql', [
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'select * from foo where bar',
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'select * from foo where bar = 1 and baz or ',
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'select * from foo where bar = 1 and baz between qux and ',
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])
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def test_find_prev_keyword_where(sql):
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kw, stripped = find_prev_keyword(sql)
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assert kw.value == 'where' and stripped == 'select * from foo where'
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@pytest.mark.parametrize('sql', [
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'create table foo (bar int, baz ',
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'select * from foo() as bar (baz '
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])
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def test_find_prev_keyword_open_parens(sql):
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kw, _ = find_prev_keyword(sql)
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assert kw.value == '('
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@pytest.mark.parametrize('sql', [
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'',
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'$$ foo $$',
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"$$ 'foo' $$",
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'$$ "foo" $$',
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'$$ $a$ $$',
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'$a$ $$ $a$',
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'foo bar $$ baz $$',
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])
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def test_is_open_quote__closed(sql):
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assert not is_open_quote(sql)
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@pytest.mark.parametrize('sql', [
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'$$',
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';;;$$',
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'foo $$ bar $$; foo $$',
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'$$ foo $a$',
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"foo 'bar baz",
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"$a$ foo ",
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'$$ "foo" ',
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'$$ $a$ ',
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'foo bar $$ baz',
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])
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def test_is_open_quote__open(sql):
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assert is_open_quote(sql)
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