def test_check_function_twice(first_ok, second_ok, second_solves_first,
first_solves_second):
patt = (
'Ex().check_function("round", index={}).check_args("number").has_equal_value()'
)
sct = patt.format(0) + "\n" + patt.format(1)
first_ok["DC_SCT"] = sct
output = helper.run(first_ok)
assert not output["correct"]
helper.with_line_info(output, 2, 2, 7, 7)
second_ok["DC_SCT"] = sct
output = helper.run(second_ok)
assert not output["correct"]
helper.with_line_info(output, 1, 1, 7, 7)
second_solves_first["DC_SCT"] = sct
output = helper.run(second_solves_first)
assert not output["correct"]
helper.with_line_info(output, 1, 1, 7, 7)
first_solves_second["DC_SCT"] = sct
output = helper.run(first_solves_second)
assert not output["correct"]
helper.with_line_info(output, 1, 1, 7, 7)
first_ok["DC_SCT"] = patt.format(1)
output = helper.run(first_ok)
assert not output["correct"]
helper.with_line_info(output, 2, 2, 7, 7) ## THIS IS INTUITIVE!
def test_with_highlighting(data):
data[
"DC_SCT"
] = 'Ex().check_function("round").check_args("number").has_equal_value()'
output = helper.run(data)
assert not output["correct"]
helper.with_line_info(output, 1, 1, 7, 11)
def test_test_with_3(sct, passes, patt, lines):
res = helper.run(
{
"DC_PEC": """
from urllib.request import urlretrieve; urlretrieve('http://s3.amazonaws.com/assets.datacamp.com/production/course_998/datasets/moby_opens.txt', 'moby_dick.txt')
from urllib.request import urlretrieve; urlretrieve('https://s3.amazonaws.com/assets.datacamp.com/production/course_998/datasets/moby_opens.txt', 'not_moby_dick.txt')
""",
"DC_CODE": """
# Read & print the first 3 lines
with open('moby_dick.txt') as file:
print(file.readline())
print(file.readline())
print('test')
# The rows that you wish to print
I = [0,1,3,5,6,7,8,9]
# Print out these rows
with open('moby_dick.txt') as not_file, open('moby_dick.txt') as file:
for i, row in enumerate(not_file):
if i in I:
print(row)
""",
"DC_SOLUTION": """
# Read & print the first 3 lines
with open('moby_dick.txt') as file, open('moby_dick.txt'):
print(file.readline())
print(file.readline())
print(file.readline())
# The rows that you wish to print
I = [0,1,3,5,6,7,8,9]
# Print out these rows
with open('moby_dick.txt') as file, open('not_moby_dick.txt') as not_file:
for i, row in enumerate(file):
if i in I:
print(row)
""",
"DC_SCT": sct,
}
)
assert res["correct"] == passes
if patt:
assert patt in res["message"]
if lines:
helper.with_line_info(res, *lines)
def test_test_list_comp_custom_messaging(stu, passes, patt, lines):
pec = "x = {'a': 2, 'b':3, 'c':4, 'd':'test'}"
sol = "[key + str(val) for key,val in x.items() if isinstance(key, str) if isinstance(val, int)]"
sct = """
test_list_comp(index=1,
not_called_msg='notcalled',
comp_iter=lambda: test_expression_result(incorrect_msg = 'iterincorrect'),
iter_vars_names=True,
incorrect_iter_vars_msg='incorrectitervars',
body=lambda: test_expression_result(context_vals = ['a', 2], incorrect_msg = 'bodyincorrect'),
ifs=[lambda: test_function_v2('isinstance', params = ['obj'], do_eval = [False], not_called_msg = 'notcalled1', incorrect_msg = 'incorrect2'),
lambda: test_function_v2('isinstance', params = ['obj'], do_eval = [False], not_called_msg = 'notcalled2', incorrect_msg = 'incorrect2')],
insufficient_ifs_msg='insufficientifs')
"""
res = helper.run({"DC_PEC": pec, "DC_CODE": stu, "DC_SOLUTION": sol, "DC_SCT": sct})
assert res["correct"] == passes
assert patt in res["message"]
if lines:
helper.with_line_info(res, *lines)
def test_check_if_else_basic(stu, patt, lines):
output = helper.run({
"DC_PEC":
"offset = 8",
"DC_SOLUTION":
"if offset > 8: x = 5\nelse: x = round(2.123)",
"DC_CODE":
stu,
"DC_SCT":
"""
Ex().check_if_else().multi(
check_test().multi([ set_env(offset = i).has_equal_value() for i in range(7,10) ]),
check_body().has_code(r'x\s*=\s*5'),
check_orelse().check_function('round').check_args(0).has_equal_value()
)
""",
})
assert not output["correct"]
assert message(output, patt)
if lines:
helper.with_line_info(output, *lines)
def test_parsing(name, ls, le, cs, ce):
stu_code = """
if True:
a = 1
if False:
b = 2
else:
c = 3
for i in range(2):
d = 4
x = 2
while x > 0:
e = 5
x -= 1
try:
f = 6
except:
pass
try:
g = 7
except:
pass
finally:
h = 8
# 2 assignments
i = 9
if True:
i = 9
"""
sol_code = """
if True:
a = 10
if False:
b = 20
else:
c = 30
for i in range(2):
d = 40
x = 2
while x > 0:
e = 50
x -= 1
try:
f = 60
except:
pass
try:
g = 70
except:
pass
finally:
h = 80
# 2 assignments
i = 90
if True:
i = 90
"""
res = helper.run(
{
"DC_CODE": stu_code,
"DC_SOLUTION": sol_code,
"DC_SCT": 'Ex().check_object("%s").has_equal_value()' % name,
}
)
assert not res["correct"]
if name == "i":
helper.no_line_info(res)
else:
helper.with_line_info(res, ls, le, cs, ce)
