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Replace asserts with exceptions in generate_test_code.py

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This commit is contained in:
Mohammad Azim Khan 2018-06-26 14:35:25 +01:00
parent c3521dfdd6
commit 3b06f226e9
2 changed files with 49 additions and 27 deletions
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47
tests/scripts/generate_test_code.py
View file

@ -62,6 +62,13 @@ class InvalidFileFormat(Exception):
pass
class GeneratorInputError(Exception):
"""
Exception to indicate error in the input to the generator.
"""
pass
class FileWrapper(io.FileIO):
"""
File wrapper class. Provides reading with line no. tracking.
@ -353,8 +360,10 @@ def parse_functions(funcs_f):
func_name, args, func_code, func_dispatch = parse_function_code(funcs_f, deps, suite_deps)
suite_functions += func_code
# Generate dispatch code and enumeration info
assert func_name not in func_info, "file: %s - function %s re-declared at line %d" % \
(funcs_f.name, func_name, funcs_f.line_no)
if func_name in func_info:
raise GeneratorInputError(
"file: %s - function %s re-declared at line %d" % \
(funcs_f.name, func_name, funcs_f.line_no))
func_info[func_name] = (function_idx, args)
dispatch_code += '/* Function Id: %d */\n' % function_idx
dispatch_code += func_dispatch
@ -411,8 +420,9 @@ def parse_test_data(data_f, debug=False):
# Blank line indicates end of test
if len(line) == 0:
assert state != STATE_READ_ARGS, "Newline before arguments. " \
"Test function and arguments missing for %s" % name
if state == STATE_READ_ARGS:
raise GeneratorInputError("Newline before arguments. " \
"Test function and arguments missing for %s" % name)
continue
if state == STATE_READ_NAME:
@ -432,8 +442,9 @@ def parse_test_data(data_f, debug=False):
yield name, function, deps, args
deps = []
state = STATE_READ_NAME
assert state != STATE_READ_ARGS, "Newline before arguments. " \
"Test function and arguments missing for %s" % name
if state == STATE_READ_ARGS:
raise GeneratorInputError("Newline before arguments. " \
"Test function and arguments missing for %s" % name)
def gen_dep_check(dep_id, dep):
@ -444,9 +455,11 @@ def gen_dep_check(dep_id, dep):
:param dep: Dependency macro
:return: Dependency check code
"""
assert dep_id > -1, "Dependency Id should be a positive integer."
if dep_id < 0:
raise GeneratorInputError("Dependency Id should be a positive integer.")
noT, dep = ('!', dep[1:]) if dep[0] == '!' else ('', dep)
assert len(dep) > 0, "Dependency should not be an empty string."
if len(dep) == 0:
raise GeneratorInputError("Dependency should not be an empty string.")
dep_check = '''
case {id}:
{{
@ -468,8 +481,10 @@ def gen_expression_check(exp_id, exp):
:param exp: Expression/Macro
:return: Expression check code
"""
assert exp_id > -1, "Expression Id should be a positive integer."
assert len(exp) > 0, "Expression should not be an empty string."
if exp_id < 0:
raise GeneratorInputError("Expression Id should be a positive integer.")
if len(exp) == 0:
raise GeneratorInputError("Expression should not be an empty string.")
exp_code = '''
case {exp_id}:
{{
@ -583,13 +598,15 @@ def gen_from_test_data(data_f, out_data_f, func_info, suite_deps):
# Write test function name
test_function_name = 'test_' + function_name
assert test_function_name in func_info, "Function %s not found!" % test_function_name
if test_function_name not in func_info:
raise GeneratorInputError("Function %s not found!" % test_function_name)
func_id, func_args = func_info[test_function_name]
out_data_f.write(str(func_id))
# Write parameters
assert len(test_args) == len(func_args), \
"Invalid number of arguments in test %s. See function %s signature." % (test_name, function_name)
if len(test_args) != len(func_args):
raise GeneratorInputError("Invalid number of arguments in test %s. See function %s signature." % (test_name,
function_name))
expression_code += write_parameters(out_data_f, test_args, func_args, unique_expressions)
# Write a newline as test case separator
@ -726,4 +743,8 @@ def check_cmd():
if __name__ == "__main__":
try:
check_cmd()
except GeneratorInputError as e:
script_name = os.path.basename(sys.argv[0])
print("%s: input error: %s" % (script_name, str(e)))

27
tests/scripts/test_generate_test_code.py
View file

@ -1,3 +1,4 @@
#!/usr/bin/env python
# Unit test for generate_test_code.py
#
# Copyright (C) 2018, ARM Limited, All Rights Reserved
@ -857,7 +858,7 @@ void func()
/* END_CASE */
'''
s = StringIOWrapper('test_suite_ut.function', data)
self.assertRaises(AssertionError, parse_functions, s)
self.assertRaises(GeneratorInputError, parse_functions, s)
class ExcapedSplit(TestCase):
@ -994,7 +995,7 @@ dhm_do_dhm:10:"93450983094850938450983409623":10:"9345098304850938450983409622"
def test_no_args(self):
"""
Test AssertionError is raised when test function name and args line is missing.
Test GeneratorInputError is raised when test function name and args line is missing.
:return:
"""
data = """
@ -1011,13 +1012,13 @@ dhm_do_dhm:10:"93450983094850938450983409623":10:"9345098304850938450983409622"
try:
for x, y, z, a in parse_test_data(s):
pass
except AssertionError, e:
except GeneratorInputError as e:
pass
self.assertEqual(type(e), AssertionError)
self.assertEqual(type(e), GeneratorInputError)
def test_incomplete_data(self):
"""
Test AssertionError is raised when test function name and args line is missing.
Test GeneratorInputError is raised when test function name and args line is missing.
:return:
"""
data = """
@ -1029,9 +1030,9 @@ depends_on:YAHOO
try:
for x, y, z, a in parse_test_data(s):
pass
except AssertionError, e:
except GeneratorInputError as e:
pass
self.assertEqual(type(e), AssertionError)
self.assertEqual(type(e), GeneratorInputError)
class GenDepCheck(TestCase):
@ -1080,14 +1081,14 @@ class GenDepCheck(TestCase):
Test invalid dependency input.
:return:
"""
self.assertRaises(AssertionError, gen_dep_check, 5, '!')
self.assertRaises(GeneratorInputError, gen_dep_check, 5, '!')
def test_negative_dep_id(self):
"""
Test invalid dependency input.
:return:
"""
self.assertRaises(AssertionError, gen_dep_check, -1, 'YAHOO')
self.assertRaises(GeneratorInputError, gen_dep_check, -1, 'YAHOO')
class GenExpCheck(TestCase):
@ -1114,14 +1115,14 @@ class GenExpCheck(TestCase):
Test invalid expression input.
:return:
"""
self.assertRaises(AssertionError, gen_expression_check, 5, '')
self.assertRaises(GeneratorInputError, gen_expression_check, 5, '')
def test_negative_exp_id(self):
"""
Test invalid expression id.
:return:
"""
self.assertRaises(AssertionError, gen_expression_check, -1, 'YAHOO')
self.assertRaises(GeneratorInputError, gen_expression_check, -1, 'YAHOO')
class WriteDeps(TestCase):
@ -1437,7 +1438,7 @@ func1:0
out_data_f = StringIOWrapper('test_suite_ut.datax', '')
func_info = {'test_func2': (1, ('int',))}
suite_deps = []
self.assertRaises(AssertionError, gen_from_test_data, data_f, out_data_f, func_info, suite_deps)
self.assertRaises(GeneratorInputError, gen_from_test_data, data_f, out_data_f, func_info, suite_deps)
def test_different_func_args(self):
"""
@ -1453,7 +1454,7 @@ func1:0
out_data_f = StringIOWrapper('test_suite_ut.datax', '')
func_info = {'test_func2': (1, ('int','hex'))}
suite_deps = []
self.assertRaises(AssertionError, gen_from_test_data, data_f, out_data_f, func_info, suite_deps)
self.assertRaises(GeneratorInputError, gen_from_test_data, data_f, out_data_f, func_info, suite_deps)
def test_output(self):
"""