def test_target_multiple_as(self): self.assertParse( qSelect([ qp.Target(qp.Column('date'), 'xdate'), qp.Target(qp.Column('account'), None), qp.Target(qp.Column('position'), 'xposition') ]), "SELECT date as xdate, account, position as xposition;")
def test_expr_function__and_plus_minus(self): self.assertParse( qSelect(qp.Wildcard(), where_clause=qp.And(qp.Add(qp.Column('a'), qp.Column('b')), qp.Sub(qp.Column('c'), qp.Column('d')))), "SELECT * WHERE a + b AND c - d;")
def test_groupby_many(self): self.assertParse( qSelect(qp.Wildcard(), group_by=qp.GroupBy( [qp.Column('a'), qp.Column('b'), qp.Column('c')], None)), "SELECT * GROUP BY a, b, c;")
def test_orderby_many(self): self.assertParse( qSelect(qp.Wildcard(), order_by=qp.OrderBy( [qp.Column('a'), qp.Column('b'), qp.Column('c')], None)), "SELECT * ORDER BY a, b, c;")
def test_pivotby_many(self): self.assertParse( qSelect(qp.Wildcard(), pivot_by=qp.PivotBy( [qp.Column('a'), qp.Column('b'), qp.Column('c')])), "SELECT * PIVOT BY a, b , c;")
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_expr_function__and_eq(self): self.assertParse( qSelect(qp.Wildcard(), where_clause=qp.And( qp.Equal(qp.Column('a'), qp.Constant(2)), qp.Not(qp.Equal(qp.Column('b'), qp.Constant(3))))), "SELECT * WHERE a = 2 AND b != 3;")
def test_expr_function__and_or(self): self.assertParse( qSelect(qp.Wildcard(), where_clause=qp.Or(qp.And(qp.Column('a'), qp.Column('b')), qp.And(qp.Column('c'), qp.Column('d')))), "SELECT * WHERE a AND b OR c AND d;")
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_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 test_expr_function__membership_precedence(self): self.assertParse( qSelect(qp.Wildcard(), where_clause=qp.And( qp.Contains(qp.Constant('orange'), qp.Column('tags')), qp.Contains(qp.Constant('bananas'), qp.Column('tags')))), "SELECT * WHERE 'orange' IN tags AND 'bananas' IN tags;")
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_expr_function__mul_div_plus_minus(self): self.assertParse( qSelect(qp.Wildcard(), where_clause=qp.Sub( qp.Add( qp.Mul(qp.Column(name='a'), qp.Column(name='b')), qp.Div(qp.Column(name='c'), qp.Column(name='d'))), qp.Constant(value=3))), "SELECT * WHERE a * b + c / d - 3;")
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_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_explain_select(self): self.assertParse( qp.Explain( qSelect([ qp.Target(qp.Column('date'), None), qp.Target(qp.Column('account'), None) ], where_clause=qp.Match(qp.Column('account'), qp.Constant('etrade')))), "EXPLAIN SELECT date, account WHERE account ~ 'etrade';")
def test_expr_paren_multi2(self): self.assertParse( qSelect([qp.Target( qp.Not(qp.Equal( qp.Column('a'), qp.Not(qp.Equal( qp.Column('b'), qp.And(qp.Constant(42), qp.Constant(17)))))), None)]), "SELECT a != (b != (42 AND 17));")
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_print_from(self): self.assertParse( qp.Print( qp.From( qp.Equal(qp.Column('date'), qp.Constant(datetime.date(2014, 1, 1))), None, True, None)), "PRINT FROM date = 2014-01-01 CLOSE;")
def test_balances_from_with_transformer_simple(self): self.assertParse( qp.Balances( 'units', None, qp.Equal(qp.Column('date'), qp.Constant(datetime.date(2014, 1, 1)))), "BALANCES AT units WHERE date = 2014-01-01;")
def test_expr_binaryop(self): self.assertEqual(qc.EvalEqual(qe.DateColumn(), qc.EvalConstant(datetime.date(2014, 1, 1))), qc.compile_expression( qp.Equal(qp.Column('date'), qp.Constant(datetime.date(2014, 1, 1))), qe.TargetsEnvironment()))
def test_expr_match(self): self.assertParse( qSelect([ qp.Target( qp.Match(qp.Column('a'), qp.Constant('Assets:.*:Checking')), None) ]), "SELECT a ~ 'Assets:.*:Checking';")
def test_balances_from_with_transformer(self): self.assertParse( qp.Balances('units', qp.From(qp.Equal(qp.Column('date'), qp.Constant(datetime.date(2014, 1, 1))), None, True, None), None), "BALANCES AT units FROM date = 2014-01-01 CLOSE;")
def test_balances_from(self): self.assertParse( qp.Balances( None, qp.From( qp.Equal(qp.Column('date'), qp.Constant(datetime.date(2014, 1, 1))), None, True, None)), "BALANCES FROM date = 2014-01-01 CLOSE;")
def test_journal_from(self): self.assertParse( qp.Journal( None, None, qp.From( qp.Equal(qp.Column('date'), qp.Constant(datetime.date(2014, 1, 1))), None, True, None)), "JOURNAL FROM date = 2014-01-01 CLOSE;")
def test_from_select(self): subselect = qSelect( qp.Wildcard(), qp.From(qp.Equal(qp.Column('date'), qp.Constant(datetime.date(2014, 5, 2))), None, None, None)) expected = qSelect([qp.Target(qp.Column('a'), None), qp.Target(qp.Column('b'), None)], subselect, qp.Equal(qp.Column('c'), qp.Constant(5)), limit=100) self.assertParse(expected, """ SELECT a, b FROM ( SELECT * FROM date = 2014-05-02 ) WHERE c = 5 LIMIT 100; """)
def test_journal_with_account_and_from(self): journal = self.parse("JOURNAL 'liabilities' FROM year = 2014;") 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), ], 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, None), select)
def compile_targets(targets, environ): """Compile the targets and check for their validity. Process wildcard. Args: targets: A list of target expressions from the parser. environ: A compilation context for the targets. Returns: A list of compiled target expressions with resolved names. """ # Bind the targets expressions to the execution context. if isinstance(targets, query_parser.Wildcard): # Insert the full list of available columns. targets = [ query_parser.Target(query_parser.Column(name), None) for name in environ.wildcard_columns ] # Compile targets. c_targets = [] target_names = set() for target in targets: c_expr = compile_expression(target.expression, environ) target_name = find_unique_name( target.name or query_parser.get_expression_name(target.expression), target_names) target_names.add(target_name) c_targets.append(EvalTarget(c_expr, target_name, is_aggregate(c_expr))) # Figure out if this query is an aggregate query and check validity of each # target's aggregation type. for index, c_target in enumerate(c_targets): columns, aggregates = get_columns_and_aggregates(c_target.c_expr) # Check for mixed aggregates and non-aggregates. if columns and aggregates: raise CompilationError( "Mixed aggregates and non-aggregates are not allowed") if aggregates: # Check for aggregates of aggregates. for aggregate in aggregates: for child in aggregate.childnodes(): if is_aggregate(child): raise CompilationError( "Aggregates of aggregates are not allowed") return c_targets
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)