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Running the tests
Command line
The following command can be used to run the tests from the command line:
swipl -f <exercise>.pl -s <exercise>_tests.plt -g run_tests,halt -t 'halt(1)'
Replace <exercise> with the name of the exercise you are implementing.
Interactive
To run prolog interactively first run:
swipl
After the prolog console starts, load your implementation and run the tests with:
?- ["<exercise>.pl"].
?- ["<exercise>_tests.plt"].
?- run_tests.
Replace <exercise> with the name of the exercise you are implementing.
Reloading changes
Once the above files are loaded, you can apply any changes you've made by running:
?- make.
Skipped tests
When you first begin an exercise, only the first test will run. The rest have
been skipped by adding condition(pending) to the test goal. Once the first
test passes, un-skip the next test by changing pending in condition(pending)
to true. Repeat for each test until they are all running and passing.
Command line
Add the -- --all argument to the end of the command to also run any pending tests:
swipl -f <exercise>.pl -s <exercise>_tests.plt -g run_tests,halt -t 'halt(1)' -- --all
Submitting your solution
You can submit your solution using the exercism submit hello_world.pl command.
This command will upload your solution to the Exercism website and print the solution page's URL.
It's possible to submit an incomplete solution which allows you to:
- See how others have completed the exercise
- Request help from a mentor
Need to get help?
If you'd like help solving the exercise, check the following pages:
- The Prolog track's documentation
- The Prolog track's programming category on the forum
- Exercism's programming category on the forum
- The Frequently Asked Questions
Should those resources not suffice, you could submit your (incomplete) solution to request mentoring.
To get help if you're having trouble, you can use one of the following resources:
- SWI Prolog Documentation
- Tutorials and Resources
- /r/prolog is the Prolog subreddit.
- StackOverflow can be used to search for your problem and see if it has been answered already. You can also ask and answer questions.