def test_journal_with_account_func_and_from(self): journal = self.parse("JOURNAL 'liabilities' AT cost FROM year = 2014;") select = qc.transform_journal(journal) self.assertEqual( select, qp.Select([ qp.Target(qp.Column('date'), None), qp.Target(qp.Column('flag'), None), qp.Target( qp.Function('maxwidth', [qp.Column('payee'), qp.Constant(48)]), None), qp.Target( qp.Function('maxwidth', [qp.Column('narration'), qp.Constant(80)]), None), qp.Target(qp.Column('account'), None), qp.Target(qp.Function('cost', [qp.Column('position')]), None), qp.Target(qp.Function('cost', [qp.Column('balance')]), None), ], qp.From(qp.Equal(qp.Column('year'), qp.Constant(2014)), None, None, None), qp.Match(qp.Column('account'), qp.Constant('liabilities')), None, None, None, None, None))
def test_expr_function_arity(self): # Compile with the correct number of arguments. qc.compile_expression(qp.Function('sum', [qp.Column('number')]), qe.TargetsEnvironment()) # Compile with an incorrect number of arguments. with self.assertRaises(qc.CompilationError): qc.compile_expression( qp.Function('sum', [qp.Column('date'), qp.Column('account')]), qe.TargetsEnvironment())
def test_balance_with_units(self): balance = self.parse("BALANCES AT cost;") select = qc.transform_balances(balance) self.assertEqual( qp.Select([ qp.Target(qp.Column('account'), None), qp.Target( qp.Function( 'sum', [qp.Function('cost', [qp.Column('position')])]), None) ], None, None, self.group_by, self.order_by, None, None, None, None), select)
def test_balance_with_units_and_from(self): balance = self.parse("BALANCES AT cost FROM year = 2014;") select = qc.transform_balances(balance) self.assertEqual( qp.Select([ qp.Target(qp.Column('account'), None), qp.Target( qp.Function( 'sum', [qp.Function('cost', [qp.Column('position')])]), None), ], qp.From(qp.Equal(qp.Column('year'), qp.Constant(2014)), None, None, None), None, self.group_by, self.order_by, None, None, None, None), select)
class TestTranslationBalance(CompileSelectBase): group_by = qp.GroupBy([ qp.Column('account'), qp.Function('account_sortkey', [qp.Column(name='account')]) ], None) order_by = qp.OrderBy( [qp.Function('account_sortkey', [qp.Column('account')])], None) def test_balance(self): balance = self.parse("BALANCES;") select = qc.transform_balances(balance) self.assertEqual( qp.Select([ qp.Target(qp.Column('account'), None), qp.Target(qp.Function('sum', [qp.Column('position')]), None), ], None, None, self.group_by, self.order_by, None, None, None, None), select) def test_balance_with_units(self): balance = self.parse("BALANCES AT cost;") select = qc.transform_balances(balance) self.assertEqual( qp.Select([ qp.Target(qp.Column('account'), None), qp.Target( qp.Function( 'sum', [qp.Function('cost', [qp.Column('position')])]), None) ], None, None, self.group_by, self.order_by, None, None, None, None), select) def test_balance_with_units_and_from(self): balance = self.parse("BALANCES AT cost FROM year = 2014;") select = qc.transform_balances(balance) self.assertEqual( qp.Select([ qp.Target(qp.Column('account'), None), qp.Target( qp.Function( 'sum', [qp.Function('cost', [qp.Column('position')])]), None), ], qp.From(qp.Equal(qp.Column('year'), qp.Constant(2014)), None, None, None), None, self.group_by, self.order_by, None, None, None, None), select)
def test_groupby_expr(self): self.assertParse( qSelect(qp.Wildcard(), group_by=qp.GroupBy([ qp.Greater(qp.Function('length', [qp.Column('a')]), qp.Constant(0)), qp.Column('b') ], None)), "SELECT * GROUP BY length(a) > 0, b;")
def test_groupby_having(self): self.assertParse( qSelect(qp.Wildcard(), group_by=qp.GroupBy( [qp.Column('a')], qp.Equal(qp.Function('sum', [qp.Column('position')]), qp.Constant(0)))), "SELECT * GROUP BY a HAVING sum(position) = 0;")
def setUp(self): super().setUp() self.targets = [ qp.Target(qp.Column('a'), None), qp.Target(qp.Column('b'), None) ] self.expr = qp.Equal( qp.Column('d'), qp.And(qp.Function('max', [qp.Column('e')]), qp.Constant(17)))
def test_journal(self): journal = self.parse("JOURNAL;") select = qc.transform_journal(journal) self.assertEqual( qp.Select([ qp.Target(qp.Column('date'), None), qp.Target(qp.Column('flag'), None), qp.Target( qp.Function('maxwidth', [qp.Column('payee'), qp.Constant(48)]), None), qp.Target( qp.Function('maxwidth', [qp.Column('narration'), qp.Constant(80)]), None), qp.Target(qp.Column('account'), None), qp.Target(qp.Column('position'), None), qp.Target(qp.Column('balance'), None), ], None, None, None, None, None, None, None, None), select)
def test_from_and_where(self): expr = qp.Equal( qp.Column('d'), qp.And(qp.Function('max', [qp.Column('e')]), qp.Constant(17))) self.assertParse( "SELECT a, b FROM d = (max(e) and 17) WHERE d = (max(e) and 17);", Select([ qp.Target(qp.Column('a'), None), qp.Target(qp.Column('b'), None) ], qp.From(expr, None, None, None), expr))
def test_expr_function__five_args(self): self.assertParse( qSelect([ qp.Target( qp.Function('min', [ qp.Column('a'), qp.Column('b'), qp.Column('c'), qp.Column('d'), qp.Column('e') ]), None) ]), "SELECT min(a, b, c, d, e);")
def test_where(self): expr = qp.Equal( qp.Column('d'), qp.And(qp.Function('max', [qp.Column('e')]), qp.Constant(17))) self.assertParse( "SELECT a, b WHERE d = (max(e) and 17);", Select([ qp.Target(qp.Column('a'), None), qp.Target(qp.Column('b'), None) ], None, expr)) with self.assertRaises(qp.ParseError): self.parse("SELECT a, b WHERE;")
def test_select_from(self): expr = qp.Equal( qp.Column('d'), qp.And(qp.Function('max', [qp.Column('e')]), qp.Constant(17))) with self.assertRaises(qp.ParseError): self.parse("SELECT a, b FROM;") # simple self.assertParseFrom("SELECT a, b FROM d = (max(e) and 17);", qp.From(expr, None, None, None)) # open dated self.assertParseFrom( "SELECT a, b FROM d = (max(e) and 17) OPEN ON 2014-01-01;", qp.From(expr, datetime.date(2014, 1, 1), None, None)) # close default self.assertParseFrom("SELECT a, b FROM d = (max(e) and 17) CLOSE;", qp.From(expr, None, True, None)) # close dated self.assertParseFrom( "SELECT a, b FROM d = (max(e) and 17) CLOSE ON 2014-10-18;", qp.From(expr, None, datetime.date(2014, 10, 18), None)) # close no expression self.assertParseFrom("SELECT a, b FROM CLOSE;", qp.From(None, None, True, None)) # close no expression dated self.assertParseFrom( "SELECT a, b FROM CLOSE ON 2014-10-18;", qp.From(None, None, datetime.date(2014, 10, 18), None)) # clear default self.assertParseFrom("SELECT a, b FROM d = (max(e) and 17) CLEAR;", qp.From(expr, None, None, True)) # open close clear self.assertParseFrom( "SELECT a, b FROM d = (max(e) and 17) OPEN ON 2013-10-25 CLOSE ON 2014-10-25 CLEAR;", qp.From(expr, datetime.date(2013, 10, 25), datetime.date(2014, 10, 25), True))
def test_function(self): name = qp.get_expression_name( qp.Function('length', [qp.Column('date')])) self.assertEqual(name, 'length(date)')
def test_expr_function(self): self.assertEqual( qe.SumPosition([qe.PositionColumn()]), qc.compile_expression(qp.Function('sum', [qp.Column('position')]), qe.TargetsEnvironment()))
def test_expressions(self): # comparison operators self.assertParseTarget("SELECT a = 42;", qp.Equal(qp.Column('a'), qp.Constant(42))) self.assertParseTarget( "SELECT a != 42;", qp.Not(qp.Equal(qp.Column('a'), qp.Constant(42)))) self.assertParseTarget("SELECT a > 42;", qp.Greater(qp.Column('a'), qp.Constant(42))) self.assertParseTarget("SELECT a >= 42;", qp.GreaterEq(qp.Column('a'), qp.Constant(42))) self.assertParseTarget("SELECT a < 42;", qp.Less(qp.Column('a'), qp.Constant(42))) self.assertParseTarget("SELECT a <= 42;", qp.LessEq(qp.Column('a'), qp.Constant(42))) self.assertParseTarget("SELECT a ~ 'abc';", qp.Match(qp.Column('a'), qp.Constant('abc'))) self.assertParseTarget( "SELECT a != 42;", qp.Not(qp.Equal(qp.Column('a'), qp.Constant(42)))) self.assertParseTarget("SELECT not a;", qp.Not(qp.Column('a'))) self.assertParseTarget("SELECT a IS NULL;", qp.IsNull(qp.Column('a'))) self.assertParseTarget("SELECT a IS NOT NULL;", qp.IsNotNull(qp.Column('a'))) # bool expressions self.assertParseTarget("SELECT a AND b;", qp.And(qp.Column('a'), qp.Column('b'))) self.assertParseTarget("SELECT a OR b;", qp.Or(qp.Column('a'), qp.Column('b'))) self.assertParseTarget("SELECT NOT a;", qp.Not(qp.Column('a'))) # math expressions with identifiers self.assertParseTarget("SELECT a * b;", qp.Mul(qp.Column('a'), qp.Column('b'))) self.assertParseTarget("SELECT a / b;", qp.Div(qp.Column('a'), qp.Column('b'))) self.assertParseTarget("SELECT a + b;", qp.Add(qp.Column('a'), qp.Column('b'))) self.assertParseTarget("SELECT a+b;", qp.Add(qp.Column('a'), qp.Column('b'))) self.assertParseTarget("SELECT a - b;", qp.Sub(qp.Column('a'), qp.Column('b'))) self.assertParseTarget("SELECT a-b;", qp.Sub(qp.Column('a'), qp.Column('b'))) self.assertParseTarget("SELECT +a;", qp.Column('a')) self.assertParseTarget("SELECT -a;", qp.Neg(qp.Column('a'))) # math expressions with numerals self.assertParseTarget("SELECT 2 * 3;", qp.Mul(qp.Constant(2), qp.Constant(3))) self.assertParseTarget("SELECT 2 / 3;", qp.Div(qp.Constant(2), qp.Constant(3))) self.assertParseTarget("SELECT 2+(3);", qp.Add(qp.Constant(2), qp.Constant(3))) self.assertParseTarget("SELECT (2)-3;", qp.Sub(qp.Constant(2), qp.Constant(3))) self.assertParseTarget("SELECT 2 + 3;", qp.Add(qp.Constant(2), qp.Constant(3))) self.assertParseTarget("SELECT 2+3;", qp.Add(qp.Constant(2), qp.Constant(3))) self.assertParseTarget("SELECT 2 - 3;", qp.Sub(qp.Constant(2), qp.Constant(3))) self.assertParseTarget("SELECT 2-3;", qp.Sub(qp.Constant(2), qp.Constant(3))) self.assertParseTarget("SELECT +2;", qp.Constant(2)) self.assertParseTarget("SELECT -2;", qp.Constant(-2)) # silly, fails at compile time self.assertParseTarget("SELECT -'abc';", qp.Neg(qp.Constant('abc'))) # functions self.assertParseTarget("SELECT random();", qp.Function('random', [])) self.assertParseTarget("SELECT min(a);", qp.Function('min', [qp.Column('a')])) self.assertParseTarget( "SELECT min(a, b);", qp.Function('min', [qp.Column('a'), qp.Column('b')]))
def test_function(self): self.assertEqual( 'length_date', qp.get_expression_name(qp.Function('length', [qp.Column('date')])))
def test_expr_function__zero_args(self): self.assertParse(qSelect([qp.Target(qp.Function('random', []), None)]), "SELECT random();")
def test_expr_function__two_args(self): self.assertParse( qSelect([ qp.Target(qp.Function( 'min', [qp.Column('a'), qp.Column('b')]), None) ]), "SELECT min(a, b);")
class TestTranslationBalance(CompileSelectBase): group_by = qp.GroupBy([ qp.Column('account'), qp.Function('account_sortkey', [qp.Column(name='account')]) ], None) order_by = [ qp.OrderBy(qp.Function('account_sortkey', [qp.Column('account')]), qp.Ordering.ASC) ] def test_balance(self): balance = self.parse("BALANCES;") select = qc.transform_balances(balance) self.assertEqual( select, qp.Select([ qp.Target(qp.Column('account'), None), qp.Target(qp.Function('sum', [qp.Column('position')]), None), ], None, None, self.group_by, self.order_by, None, None, None)) def test_balance_with_units(self): balance = self.parse("BALANCES AT cost;") select = qc.transform_balances(balance) self.assertEqual( select, qp.Select([ qp.Target(qp.Column('account'), None), qp.Target( qp.Function( 'sum', [qp.Function('cost', [qp.Column('position')])]), None) ], None, None, self.group_by, self.order_by, None, None, None)) def test_balance_with_units_and_from(self): balance = self.parse("BALANCES AT cost FROM year = 2014;") select = qc.transform_balances(balance) self.assertEqual( select, qp.Select([ qp.Target(qp.Column('account'), None), qp.Target( qp.Function( 'sum', [qp.Function('cost', [qp.Column('position')])]), None), ], qp.From(qp.Equal(qp.Column('year'), qp.Constant(2014)), None, None, None), None, self.group_by, self.order_by, None, None, None)) def test_print(self): self.assertCompile(qc.EvalPrint(None), "PRINT;") def test_print_from(self): self.assertCompile( qc.EvalPrint( qc.EvalFrom( qc.Operator(qp.Equal, [ qe.YearEntryColumn(), qc.EvalConstant(2014), ]), None, None, None)), """PRINT FROM year = 2014;""")