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61 lines
1.9 KiB
Python
61 lines
1.9 KiB
Python
import sqlparse
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from pgcli.packages.function_metadata import (
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FunctionMetadata, parse_typed_field_list, field_names)
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def test_function_metadata_eq():
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f1 = FunctionMetadata('s', 'f', 'x int', 'int', False, False, False)
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f2 = FunctionMetadata('s', 'f', 'x int', 'int', False, False, False)
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f3 = FunctionMetadata('s', 'g', 'x int', 'int', False, False, False)
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assert f1 == f2
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assert f1 != f3
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assert not (f1 != f2)
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assert not (f1 == f3)
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assert hash(f1) == hash(f2)
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assert hash(f1) != hash(f3)
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def test_parse_typed_field_list_simple():
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sql = 'a int, b int[][], c double precision, d text'
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tokens = sqlparse.parse(sql)[0].flatten()
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args = list(parse_typed_field_list(tokens))
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assert [arg.name for arg in args] == ['a', 'b', 'c', 'd']
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def test_parse_typed_field_list_more_complex():
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sql = ''' IN a int = 5,
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IN b text default 'abc'::text,
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IN c double precision = 9.99",
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OUT d double precision[] '''
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tokens = sqlparse.parse(sql)[0].flatten()
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args = list(parse_typed_field_list(tokens))
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assert [arg.name for arg in args] == ['a', 'b', 'c', 'd']
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assert [arg.mode for arg in args] == ['IN', 'IN', 'IN', 'OUT']
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def test_parse_typed_field_list_no_arg_names():
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sql = 'int, double precision, text'
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tokens = sqlparse.parse(sql)[0].flatten()
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args = list(parse_typed_field_list(tokens))
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assert(len(args) == 3)
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def test_table_column_names():
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tbl_str = '''
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x INT,
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y DOUBLE PRECISION,
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z TEXT '''
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names = list(field_names(tbl_str, mode_filter=None))
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assert names == ['x', 'y', 'z']
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def test_argument_names():
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func_header = 'IN x INT DEFAULT 2, OUT y DOUBLE PRECISION'
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names = field_names(func_header, mode_filter=['OUT', 'INOUT'])
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assert list(names) == ['y']
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def test_empty_arg_list():
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# happens for e.g. parameter-less functions like now()
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names = field_names('')
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assert list(names) == []
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