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Test for existence of nested JavaScript object key
... thrown.
You can either simply catch the exception, or make a function to test the existence of multiple levels, something like this:
function checkNested(obj /*, level1, level2, ... levelN*/) {
var args = Array.prototype.slice.call(arguments, 1);
for (var i = 0; i < args.length; i++) {
...
How do I find where an exception was thrown in C++?
... is unwound before terminate() is called.
Update: I threw together a Linux test program called that generates a backtrace in a terminate() function set via set_terminate() and another in a signal handler for SIGABRT. Both backtraces correctly show the location of the unhandled exception.
Update 2: ...
Fastest way to list all primes below N
...to, rwh_primes, rwh_primes1, and rwh_primes2.
Of the plain Python methods tested, with psyco, for n=1000000,
rwh_primes1 was the fastest tested.
+---------------------+-------+
| Method | ms |
+---------------------+-------+
| rwh_primes1 | 43.0 |
| sieveOfAtkin | 4...
The tilde operator in Python
...
This is minor usage is tilde...
def split_train_test_by_id(data, test_ratio, id_column):
ids = data[id_column]
in_test_set = ids.apply(lambda id_: test_set_check(id_, test_ratio))
return data.loc[~in_test_set], data.loc[in_test_set]
the code above is from "H...
Checking if a string can be converted to float in Python
...rn False
Don't get bit by the goblins hiding in the float boat! DO UNIT TESTING!
What is, and is not a float may surprise you:
Command to parse Is it a float? Comment
-------------------------------------- --------------- ------------
print(isfloat("")) ...
Understanding __get__ and __set__ and Python descriptors
...can be used as methods with self implicitly passed as first argument.
def test_function(self):
return self
class TestClass(object):
def test_method(self):
...
If you look up test_method on an instance you'll get back a "bound method":
>>> instance = TestClass()
>>...
Comparing two NumPy arrays for equality, element-wise
...
(A==B).all()
test if all values of array (A==B) are True.
Note: maybe you also want to test A and B shape, such as A.shape == B.shape
Special cases and alternatives (from dbaupp's answer and yoavram's comment)
It should be noted that:
...
Using os.walk() to recursively traverse directories in Python
...
┃ ┣━modules.xml
┃ ┣━vcs.xml
┃ ┗━workspace.xml
┣━[test1]
┃ ┗━test1.txt
┣━[test2]
┃ ┣━[test2-2]
┃ ┃ ┗━[test2-3]
┃ ┃ ┣━test2
┃ ┃ ┗━test2-3-1
┃ ┗━test2
┣━folder_tree_maker.py
┗━tree.py
...
unit testing of private functions with mocha and node.js
I am using mocha in order to unit test an application written for node.js
9 Answers
9
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How to access and test an internal (non-exports) function in a node.js module?
I'm trying to figure out on how to test internal (i.e. not exported) functions in nodejs (preferably with mocha or jasmine). And i have no idea!
...