def test_scenario_4(self):
# know errors in the code
file_handler = open(glb_input_filename, "w")
file_handler.write(
"LET x: "
+ glb_new_line_symbol)
file_handler.write(
'PRINT "x" '
+ glb_new_line_symbol)
file_handler.write(
'PRINT "maximiliam had an x-man in his x-pocket full of x rays" '
+ glb_new_line_symbol)
file_handler.close()
a_dictionary = initialise_a_reference_dictionary()
an_available_numeric_references = initialise_available_numeric_references_list(
)
an_available_string_references = initialise_available_string_references_list(
)
an_error_list = prepare_variables_references(
glb_input_filename, glb_intermediate_filename, a_dictionary,
an_available_numeric_references, an_available_string_references)
if an_error_list[0] == glb_no_error_code:
an_error_list = resolve_variables_references(
glb_intermediate_filename, glb_output_filename, a_dictionary)
self.assertEqual(an_error_list[0], glb_no_error_code)
self.assertEqual(an_error_list[1], 5)
self.assertEqual({'x': 'AA'}, a_dictionary["variables"])
else:
self.fail("error on pre-condition method.")
def test_scenario_1(self):
# file is empty, file has empty lines, file has lines with only spaces, file has no variables being used
file_handler = open(glb_input_filename, "w")
file_handler.write("")
file_handler.write(glb_new_line_symbol)
file_handler.write(
" "
+ glb_new_line_symbol)
file_handler.write(
"some code: some code: some code: some code "
+ glb_new_line_symbol)
file_handler.write(
"some code: 'some code: some code: some code "
+ glb_new_line_symbol)
file_handler.close()
a_dictionary = initialise_a_reference_dictionary()
an_available_numeric_references = initialise_available_numeric_references_list(
)
an_available_string_references = initialise_available_string_references_list(
)
an_error_list = prepare_variables_references(
glb_input_filename, glb_intermediate_filename, a_dictionary,
an_available_numeric_references, an_available_string_references)
if an_error_list[0] == glb_no_error_code:
an_error_list = resolve_variables_references(
glb_intermediate_filename, glb_output_filename, a_dictionary)
self.assertEqual(an_error_list[0], glb_no_error_code)
self.assertEqual(an_error_list[1], 0)
self.assertEqual({}, a_dictionary["variables"])
else:
self.fail("error on pre-condition method.")
def test_scenario_1(self):
# file is empty, file has empty lines, file has lines with only spaces, file has no variables defined
an_available_numeric_references_list = initialise_available_numeric_references_list(
)
an_available_string_references_list = initialise_available_string_references_list(
)
file_handler = open(glb_input_filename, "w")
file_handler.write("")
file_handler.write(glb_new_line_symbol)
file_handler.write(
" "
+ glb_new_line_symbol)
file_handler.write(
"some code: some code: some code: some code "
+ glb_new_line_symbol)
file_handler.write(
"some code: 'some code: some code: some code : "
+ glb_new_line_symbol)
file_handler.close()
a_dictionary = initialise_a_reference_dictionary()
an_error_list = prepare_variables_references(
glb_input_filename, glb_output_filename, a_dictionary,
an_available_numeric_references_list,
an_available_string_references_list)
self.assertEqual(an_error_list, [0])
self.assertEqual({}, a_dictionary["variables"])
def test_scenario_2(self):
# lines include comments and empty lines
file_handler = open(glb_input_filename, "w")
file_handler.write(
"LET x: "
+ glb_new_line_symbol)
file_handler.write(
" LET y: LET z: ' LET w : "
+ glb_new_line_symbol)
file_handler.write(
"' LET x: LET y: LET z: LET w : "
+ glb_new_line_symbol)
file_handler.write(
" "
+ glb_new_line_symbol)
file_handler.write(
" LET x$ : LET y$: LET z$ : LET w$: "
+ glb_new_line_symbol)
file_handler.write(
" ' LET a_very_long_name_with_0123 : LET a_very_long_name_with_0123$: "
+ glb_new_line_symbol)
file_handler.write(
" ' some code : some code : some code : LET abc : "
+ glb_new_line_symbol)
file_handler.write(
" LET p: LET p$ "
+ glb_new_line_symbol)
file_handler.write(
"LET t : LET t$: "
+ glb_new_line_symbol)
file_handler.close()
a_dictionary = initialise_a_reference_dictionary()
an_available_numeric_references = initialise_available_numeric_references_list(
)
an_available_string_references = initialise_available_string_references_list(
)
an_error_list = prepare_variables_references(
glb_input_filename, glb_intermediate_filename, a_dictionary,
an_available_numeric_references, an_available_string_references)
if an_error_list[0] == glb_no_error_code:
an_error_list = resolve_variables_references(
glb_intermediate_filename, glb_output_filename, a_dictionary)
self.assertEqual(an_error_list[0], glb_no_error_code)
self.assertEqual(an_error_list[1], 10)
self.assertEqual(
{
'x': 'AA',
'y': 'AB',
'z': 'AC',
'x$': 'AA$',
'y$': 'AB$',
'z$': 'AC$',
'w$': 'AD$',
'p': 'AD',
't': 'AE',
't$': 'AE$'
}, a_dictionary["variables"])
else:
self.fail("error on pre-condition method.")
def test_scenario_3(self):
# easy examples
file_handler = open(glb_input_filename, "w")
file_handler.write(
"LET x: "
+ glb_new_line_symbol)
file_handler.write(
"x = x + x - x * x / x + (x - x) "
+ glb_new_line_symbol)
file_handler.write(
"x = 1 + x "
+ glb_new_line_symbol)
file_handler.write(
"x=1+x "
+ glb_new_line_symbol)
file_handler.write(
"PRINT x "
+ glb_new_line_symbol)
file_handler.write(
"GOSUB x "
+ glb_new_line_symbol)
file_handler.write(
"GOTO x + 1 : GOSUB 1 + x: GOSUB x "
+ glb_new_line_symbol)
file_handler.write(
"GOTO 1 + x "
+ glb_new_line_symbol)
file_handler.write(
"DRAW(x, x, x, x) "
+ glb_new_line_symbol)
file_handler.write(
"PAINT(x, x, x, x, x, x, x, x, x, x, x, x, x, x, x,xy,yx,yxz,xyz,yzx, "
+ glb_new_line_symbol)
file_handler.write(
"ON x GOTO x "
+ glb_new_line_symbol)
file_handler.write(
"DRAW(x + x, x, xy, x, x, x, x, x,x,x x , x, x, x,xy,yx,yxz,xyz,yzx,xx,xxx,xxxx,x):x "
+ glb_new_line_symbol)
file_handler.close()
a_dictionary = initialise_a_reference_dictionary()
an_available_numeric_references = initialise_available_numeric_references_list(
)
an_available_string_references = initialise_available_string_references_list(
)
an_error_list = prepare_variables_references(
glb_input_filename, glb_intermediate_filename, a_dictionary,
an_available_numeric_references, an_available_string_references)
if an_error_list[0] == glb_no_error_code:
an_error_list = resolve_variables_references(
glb_intermediate_filename, glb_output_filename, a_dictionary)
self.assertEqual(an_error_list[0], glb_no_error_code)
self.assertEqual(an_error_list[1], 56)
self.assertEqual({'x': 'AA'}, a_dictionary["variables"])
else:
self.fail("error on pre-condition method.")
def test_scenario_6(self):
# all valid
an_available_numeric_references_list = initialise_available_numeric_references_list(
)
an_available_string_references_list = initialise_available_string_references_list(
)
file_handler = open(glb_input_filename, "w")
file_handler.write(
"LET x: LET y: LET z: LET w : "
+ glb_new_line_symbol)
file_handler.write(
"LET x$ : LET y$: LET z$ : LET w$: "
+ glb_new_line_symbol)
file_handler.write(
"LET a_very_long_name_with_0123 : LET a_very_long_name_with_0123$: "
+ glb_new_line_symbol)
file_handler.write(
" some code : some code : some code : LET abc : "
+ glb_new_line_symbol)
file_handler.write(
"LET _a_valid_name: LET _a_valid_name$: "
+ glb_new_line_symbol)
file_handler.close()
a_dictionary = initialise_a_reference_dictionary()
an_error_list = prepare_variables_references(
glb_input_filename, glb_output_filename, a_dictionary,
an_available_numeric_references_list,
an_available_string_references_list)
self.assertEqual(an_error_list, [0])
self.assertEqual(
{
'x': 'AA',
'y': 'AB',
'z': 'AC',
'w': 'AD',
'x$': 'AA$',
'y$': 'AB$',
'z$': 'AC$',
'w$': 'AD$',
'a_very_long_name_with_0123': 'AE',
'a_very_long_name_with_0123$': 'AE$',
'abc': 'AF',
'_a_valid_name': 'AG',
'_a_valid_name$': 'AF$'
}, a_dictionary["variables"])
def test_scenario_1(self):
# DECLARE identifier is defined first
file_handler = open(glb_input_filename, "w")
file_handler.write(
"DECLARE _x(): "
+ glb_new_line_symbol)
file_handler.write(
"LET _x: "
+ glb_new_line_symbol)
file_handler.write(
"_x: "
+ glb_new_line_symbol)
file_handler.close()
#
a_dictionary = initialise_a_reference_dictionary()
an_available_numeric_references_list = initialise_available_numeric_references_list(
)
an_available_string_references_list = initialise_available_string_references_list(
)
#
an_error_list = process_procedure_declaration(glb_input_filename,
glb_output_filename,
a_dictionary)
self.assertEqual(an_error_list, [glb_no_error_code])
self.assertEqual({'_x': {
'line': 2,
'parameters': []
}}, a_dictionary["declares"])
#
an_error_list = prepare_variables_references(
glb_input_filename, glb_output_filename, a_dictionary,
an_available_numeric_references_list,
an_available_string_references_list)
self.assertEqual(an_error_list,
[glb_error_declare_duplicate_identifier])
self.assertEqual({}, a_dictionary["variables"])
#
an_error_list = prepare_goto_and_gosub_references(
glb_input_filename, glb_output_filename, a_dictionary)
self.assertEqual(an_error_list,
[glb_error_declare_duplicate_identifier])
self.assertEqual({}, a_dictionary["gotogosub"])
def test_scenario_4(self):
# uniqueness
an_available_numeric_references_list = initialise_available_numeric_references_list(
)
an_available_string_references_list = initialise_available_string_references_list(
)
file_handler = open(glb_input_filename, "w")
file_handler.write(
"LET x: LET x: "
+ glb_new_line_symbol)
file_handler.write(
"LET x$ : LET x$: "
+ glb_new_line_symbol)
file_handler.close()
a_dictionary = initialise_a_reference_dictionary()
an_error_list = prepare_variables_references(
glb_input_filename, glb_output_filename, a_dictionary,
an_available_numeric_references_list,
an_available_string_references_list)
self.assertEqual(an_error_list, [45, 45])
self.assertEqual({'x': 'AA', 'x$': 'AA$'}, a_dictionary["variables"])
def test_scenario_3(self):
# invalid variables names
an_available_numeric_references_list = initialise_available_numeric_references_list(
)
an_available_string_references_list = initialise_available_string_references_list(
)
file_handler = open(glb_input_filename, "w")
file_handler.write(
"LET 0: LET 10: LET 200: LET 012345: "
+ glb_new_line_symbol)
file_handler.write(
"LET 0$ : LET 10$ : LET 200$ : LET 012345$: "
+ glb_new_line_symbol)
file_handler.close()
a_dictionary = initialise_a_reference_dictionary()
an_error_list = prepare_variables_references(
glb_input_filename, glb_output_filename, a_dictionary,
an_available_numeric_references_list,
an_available_string_references_list)
self.assertEqual(an_error_list, [46, 46, 46, 46, 46, 46, 46, 46])
self.assertEqual({}, a_dictionary["variables"])
def test_scenario_5(self):
# number of variables exceeded
an_available_numeric_references_list = initialise_available_numeric_references_list(
)
an_available_string_references_list = initialise_available_string_references_list(
)
an_available_numeric_references_list.clear()
an_available_string_references_list.clear()
file_handler = open(glb_input_filename, "w")
file_handler.write(
"LET y: "
+ glb_new_line_symbol)
file_handler.write(
"LET y$: "
+ glb_new_line_symbol)
file_handler.close()
a_dictionary = initialise_a_reference_dictionary()
an_error_list = prepare_variables_references(
glb_input_filename, glb_output_filename, a_dictionary,
an_available_numeric_references_list,
an_available_string_references_list)
self.assertEqual(an_error_list, [44, 43])
self.assertEqual({}, a_dictionary["variables"])
def test_scenario_2(self):
# not valid variables declarations
an_available_numeric_references_list = initialise_available_numeric_references_list(
)
an_available_string_references_list = initialise_available_string_references_list(
)
file_handler = open(glb_input_filename, "w")
file_handler.write(
"LET "
+ glb_new_line_symbol)
file_handler.write(
"LET : LET : LET : LET : "
+ glb_new_line_symbol)
file_handler.write(
"LET : "
+ glb_new_line_symbol)
file_handler.write(
"LET x "
+ glb_new_line_symbol)
file_handler.write(
"LET 0 "
+ glb_new_line_symbol)
file_handler.write(
"LET ( "
+ glb_new_line_symbol)
file_handler.write(
"LET x "
+ glb_new_line_symbol)
file_handler.write(
"LET x$ "
+ glb_new_line_symbol)
file_handler.write(
"LET x + y "
+ glb_new_line_symbol)
file_handler.write(
"LET x, y, z: "
+ glb_new_line_symbol)
file_handler.write(
"LET x, y, z: LET x y z: LET z "
+ glb_new_line_symbol)
file_handler.write(
"LET x, y, z: LET x y z: LET z : "
+ glb_new_line_symbol)
file_handler.write(
"LET z "
+ glb_new_line_symbol)
file_handler.write(
"LET x, : "
+ glb_new_line_symbol)
file_handler.write(
"LET x, "
+ glb_new_line_symbol)
file_handler.write(
"LET x : LET y "
+ glb_new_line_symbol)
file_handler.write(
"LET z LET w : "
+ glb_new_line_symbol)
file_handler.close()
a_dictionary = initialise_a_reference_dictionary()
an_error_list = prepare_variables_references(
glb_input_filename, glb_output_filename, a_dictionary,
an_available_numeric_references_list,
an_available_string_references_list)
self.assertEqual(
an_error_list,
[42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42, 42])
self.assertEqual({
'z': 'AA',
'x': 'AB',
'w': 'AC'
}, a_dictionary["variables"])
