def test_update(self): st = SymbolTable() self.assertRaises(AssertionError, st.update, "a", 1) st.store("a", Expression(Type.int(), 1)) st.update("a", 2) self.assertEqual(Type.int(), st.get_expression("a").type) self.assertEqual(2, st.get_expression("a").value)
def test_get_expression(self): st = SymbolTable() self.assertRaises(AssertionError, st.get_expression, "a") st.store("a", Expression(Type.list_of(Type.int()), [1])) self.assertEqual([1], st.get_expression("a").value) self.assertEqual(1, st.get_expression("a").value[0]) self.assertEqual(Type.list_of(Type.int()), st.get_expression("a").type)
def test_store(self): st = SymbolTable() st.store("a", Expression(Type.int(), 1)) self.assertTrue("a" in st) self.assertEqual(Type.int(), st.get_expression("a").type) self.assertEqual(1, st.get_expression("a").value) self.assertRaises(AssertionError, st.store, "a", Expression(Type.int(), 1))
def test_declare_drone_should_change_symbol_table(self): actual = SymbolTable() generate_commands(""" main () { drone a; } """, symbol_table=actual) expected = SymbolTable() expected.store("a", Expression(Type.drone(), NullDrone(), ident="a")) self.assertEqual(expected, actual)
def test_str(self): st = SymbolTable() st.store("a", Expression(Type.int(), 0)) st.store("b", Expression(Type.list_of(Type.boolean()), [True])) expected = "SymbolTable: {\n" + \ " a -> Expression: { type: int, value: 0, ident: None }\n" + \ " b -> Expression: { type: list[boolean], value: [True], ident: None }\n" + \ "}" self.assertEqual(expected, str(st))
def test_declare_and_assign_decimal_should_change_symbol_table(self): actual = SymbolTable() generate_commands(""" main () { decimal a <- 1.0; } """, symbol_table=actual) expected = SymbolTable() expected.store("a", Expression(Type.decimal(), 1.0, ident="a")) self.assertEqual(expected, actual)
def test_declare_and_assign_vector_should_change_symbol_table(self): actual = SymbolTable() generate_commands(""" main () { vector a <- (1.0, 2.0, -3.0); } """, symbol_table=actual) expected = SymbolTable() expected.store("a", Expression(Type.vector(), [1, 2, -3], ident="a")) self.assertEqual(expected, actual)
def test_declare_and_assign_boolean_should_change_symbol_table(self): actual = SymbolTable() generate_commands(""" main () { boolean a <- true; } """, symbol_table=actual) expected = SymbolTable() expected.store("a", Expression(Type.boolean(), True, ident="a")) self.assertEqual(expected, actual)
def test_declare_and_assign_string_should_change_symbol_table(self): actual = SymbolTable() generate_commands(""" main () { string a <- "\0a"; } """, symbol_table=actual) expected = SymbolTable() expected.store("a", Expression(Type.string(), "\0a", ident="a")) self.assertEqual(expected, actual)
def test_declare_list_should_change_symbol_table(self): actual = SymbolTable() generate_commands(""" main () { list[int] a; } """, symbol_table=actual) expected = SymbolTable() expected.store("a", Expression(Type.list_of(Type.int()), [], ident="a")) self.assertEqual(expected, actual)
def test_eq(self): st1 = SymbolTable() st2 = SymbolTable() self.assertTrue(st1 == st2) st1.store("a", Expression(Type.int(), 0)) self.assertFalse(st1 == st2) st2.store("a", Expression(Type.int(), 0)) self.assertTrue(st1 == st2) self.assertNotEqual(SymbolTable(), None)
def test_assign_ident_vector_should_update_symbol_table(self): actual = SymbolTable() generate_commands(""" main () { vector a; a <- (1.0, -1.0, +1.0); } """, symbol_table=actual) expected = SymbolTable() expected.store("a", Expression(Type.vector(), [1, -1, 1], ident="a")) self.assertEqual(expected, actual)
def test_assign_ident_string_should_update_symbol_table(self): actual = SymbolTable() generate_commands(""" main () { string a; a <- "1"; } """, symbol_table=actual) expected = SymbolTable() expected.store("a", Expression(Type.string(), "1", ident="a")) self.assertEqual(expected, actual)
def test_assign_ident_decimal_should_update_symbol_table(self): actual = SymbolTable() generate_commands(""" main () { decimal a; a <- -1.5e10; } """, symbol_table=actual) expected = SymbolTable() expected.store("a", Expression(Type.decimal(), -1.5e10, ident="a")) self.assertEqual(expected, actual)
def test_vector_with_int_should_return_correct_value(self): actual = SymbolTable() generate_commands(""" main () { vector a <- (1, 2.0, -3); } """, symbol_table=actual) expected = SymbolTable() expected.store("a", Expression(Type.vector(), [1.0, 2.0, -3.0], ident="a")) self.assertEqual(expected, actual)
def test_list_insert_to_empty_list_should_update_symbol_table(self): actual = SymbolTable() generate_commands(""" main () { list[int] a <- []; a.insert(0); } """, symbol_table=actual) expected = SymbolTable() expected.store("a", Expression(Type.list_of(Type.int()), [0], ident="a")) self.assertEqual(expected, actual)
def test_assign_ident_list_should_update_symbol_table(self): actual = SymbolTable() generate_commands(""" main () { list[int] a; a <- [1, -1, +1]; } """, symbol_table=actual) expected = SymbolTable() expected.store( "a", Expression(Type.list_of(Type.int()), [1, -1, 1], ident="a")) self.assertEqual(expected, actual)
def test_list_remove_without_index_should_update_symbol_table(self): actual = SymbolTable() generate_commands(""" main () { list[int] a <- [1, 2, 3]; a.remove(); } """, symbol_table=actual) expected = SymbolTable() expected.store("a", Expression(Type.list_of(Type.int()), [1, 2], ident="a")) self.assertEqual(expected, actual)
def test_declare_with_different_variable_name_should_change_symbol_table( self): for name in [ "a", "A", "_a", "_1", "_A", "abc", "Abc", "a12", "aA1", "_aA1" ]: actual = SymbolTable() generate_commands(""" main () {{ int {}; }} """.format(name), symbol_table=actual) expected = SymbolTable() expected.store(name, Expression(Type.int(), 0, ident=name)) self.assertEqual(expected, actual)
def test_list_elem_assign_should_update_symbol_table_correctly(self): actual = SymbolTable() generate_commands(""" main () { list[int] a <- [1, 2, 3]; a[0] <- 4; } """, symbol_table=actual) expected = SymbolTable() expected.store( "a", Expression(Type.list_of(Type.int()), [4, 2, 3], ident="a")) self.assertEqual(expected, actual)
def test_declare_and_assign_drone_should_change_symbol_table(self): actual = SymbolTable() generate_commands(""" main () { drone a <- DRONE1; } """, drone_config_map={"DRONE1": DefaultDroneConfig()}, symbol_table=actual) expected = SymbolTable() expected.store( "a", Expression(Type.drone(), Drone("DRONE1", DefaultDroneConfig()), ident="a")) self.assertEqual(expected, actual)
def test_assign_list_elem_to_variable_should_update_symbol_table(self): actual = SymbolTable() generate_commands(""" main () { list[int] a <- [0, 1, 2]; a[0] <- 1; a[2] <- a[0]; } """, symbol_table=actual) expected = SymbolTable() expected.store( "a", Expression(Type.list_of(Type.int()), [1, 1, 1], ident="a")) self.assertEqual(expected, actual)
def test_list_remove_from_nested_list_should_update_symbol_table(self): actual = SymbolTable() generate_commands(""" main () { list[list[int]] a <- [[1], [2], [3]]; a[0].remove(); } """, symbol_table=actual) expected = SymbolTable() expected.store( "a", Expression(Type.list_of(Type.list_of(Type.int())), [[], [2], [3]], ident="a")) self.assertEqual(expected, actual)
def test_list_should_return_correct_value(self): actual = SymbolTable() generate_commands(""" main () { list[int] a <- []; list[boolean] b <- [true, false]; } """, symbol_table=actual) expected = SymbolTable() expected.store("a", Expression(Type.list_of(Type.int()), [], ident="a")) expected.store( "b", Expression(Type.list_of(Type.boolean()), [True, False], ident="b")) self.assertEqual(expected, actual)
def test_list_remove_with_index_should_update_symbol_table(self): for index in [0, 1, 2]: actual = SymbolTable() generate_commands(""" main () {{ list[int] a <- [1, 2, 3]; a.at({}).remove(); }} """.format(index), symbol_table=actual) expected = SymbolTable() list = [1, 2, 3] list.pop(index) expected.store( "a", Expression(Type.list_of(Type.int()), list, ident="a")) self.assertEqual(expected, actual)
def test_vector_elem_assign_with_int_should_update_symbol_table_correctly( self): actual = SymbolTable() generate_commands(""" main () { vector a <- (10, 20, -30); a.x <- 1; a.y <- 2; a.z <- -3; } """, symbol_table=actual) expected = SymbolTable() expected.store("a", Expression(Type.vector(), [1.0, 2.0, -3.0], ident="a")) self.assertEqual(expected, actual)
def test_repeat_should_keep_updates_but_discard_new_variables(self): actual = SymbolTable() actual_commands = generate_commands(""" main () { int a <- 0; repeat 5 times { int b <- 1; a <- a + 1; } } """, symbol_table=actual) expected = SymbolTable() expected.store("a", Expression(Type.int(), 5, ident="a")) self.assertEqual(expected, actual) expected_commands = [] self.assertEqual(expected_commands, actual_commands)
def test_if_with_else_should_keep_updates_but_discard_new_variables(self): actual = SymbolTable() actual_commands = generate_commands(""" main () { int a <- 1; if false { } else { int b <- 1; a <- 2; } } """, symbol_table=actual) expected = SymbolTable() expected.store("a", Expression(Type.int(), 2, ident="a")) self.assertEqual(expected, actual) expected_commands = [] self.assertEqual(expected_commands, actual_commands)
def test_return_correct_type_in_function_should_return_correct_value(self): types = [Type.int(), Type.decimal(), Type.string(), Type.boolean(), Type.vector(), Type.drone(), Type.list_of(Type.int()), Type.list_of(Type.decimal()), Type.list_of(Type.list_of(Type.int()))] for type in types: actual = SymbolTable() generate_commands(""" function func() return {} {{ {} a; return a; }} main () {{ {} a <- func(); }} """.format(type, type, type), symbol_table=actual) expected = SymbolTable() expected.store("a", Expression(type, type.default_value, ident="a")) self.assertEqual(expected, actual)
def test_scope(self): actual = SymbolTable() generate_commands(""" procedure proc(int i) { int j <- 100; while i < 10 { i <- i + 1; } } main () { int i <- 1; proc(i); } """, symbol_table=actual) expected = SymbolTable() expected.store("i", Expression(Type.int(), 1, ident="i")) self.assertEqual(expected, actual)