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Testcase-Generator

★ 109 Open GitHub ↗

⚡️ Handy script for HackerRank, HackerEarth and CodeChef TCs Generation.

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# Testcase Generator

[<img src="https://image.flaticon.com/icons/svg/180/180867.svg" align="right" width="100">](#)

[![](https://img.shields.io/travis/aashutoshrathi/Testcase-Generator?style=for-the-badge)](https://travis-ci.org/aashutoshrathi/Testcase-Generator)

Handy script to generate Test Cases for [HackerRank](https://www.hackerrank.com), [HackerEarth](https://www.hackerearth.com) and [CodeChef](https://www.codechef.com) Problems

Are you a Problem Author?
The toughest part of creating a problem is creating tricky, correct and constrained Test Cases.
Well, here is a handy **Python** Script, for your respective logic (solution).

# Table of Contents

- [Testcase Generator](#testcase-generator)
- [Table of Contents](#table-of-contents)
- [Mentions](#mentions)
- [Supported Languages](#supported-languages)
- [Install](#install)
  - [How to Use ? 😃](#how-to-use--)
  - [How it Works ? 🤔](#how-it-works--)
  - [Setup using Docker 🐳](#setup-using-docker-)
  - [Running Tests ✅](#running-tests-)
- [FAQ 📃](#faq-)
- [Contributors ✨](#contributors-)
- [Stargazers over time 📈](#stargazers-over-time-)

# Mentions

- [Blog post](https://medium.com/@agarwalrounak/my-nwoc-njack-winter-of-code-2018-experience-badf30b9c02d) on experince in NWoC 2018 by Rounak Agarwal.
- Selected as project in [GSSoC 2019](https://www.gssoc.tech/projects.html)
- Selected as project in [NJACKWinterOfCode 2018](<[https://github.com/NJACKWinterOfCode/HackerRank-Test-Case-Generator](https://njackwinterofcode.github.io/)>)

# Supported Languages

The following languages are supported for testcase generation:

-   [C](/tc_generator/logic.c)
-   [C++](/tc_generator/logic.cpp)
-   [Java](/tc_generator/logic.java)
-   [Python](/tc_generator/logic.py)
-   [C#](/tc_generator/logic.cs)
-   [Go](/tc_generator/logic.go)

# Install

## How to Use ? 😃

-   Clone the repository `$ git clone https://github.com/aashutoshrathi/Testcase-Generator.git`

-   Create a virtual environment `$ virtualenv venv ` ([click here](https://stackoverflow.com/questions/14604699/how-to-activate-virtualenv) to read about activating virtualenv)
    -   #### Activate virtualenv (Linux)
    ```sh
      $ source ./venv/bin/activate
    ```
    -   #### Activate virtualenv (Windows)
    ```sh
       $ cd venv/Scripts/
       $ activate
    ```
-   Install requirements and modules

```sh
   $ pip install -r requirements.txt
   $ pip install -e .
```

-   Change directory to `tc_generator `

```sh
   $ cd tc_generator/
```

-   **Edit the logic file of the language of your choice with the code for which you want to generate TCs**
    NOTE: Make sure to keep the classname as '_logic_' in java so that it can compile to '_logic.class_'
-   **Edit the Input area in `tc_gen.py` according to the input format you wish to generate**
-   Run the project

```sh
   $ python tc_gen.py
```

-   Enter your choice of language when prompted
-   Enter the choice of platform when prompted
-   The input and output files would be generated and stored in `test-cases.zip` for HackerRank & HackerEarth and `test-cases` directory for CodeChef.

**Tip:** If you're creating testcases for [CodeChef](https://codechef.com) then you can validate that the input sequence is generated according to the constraints using [this validator file](https://gist.github.com/thepushkarp/214402befde421b052443c0560991621). 😉

## How it Works ? 🤔

![Demo](https://raw.githubusercontent.com/aashutoshrathi/Testcase-Generator/master/demo3.gif)

## Setup using Docker 🐳

```sh
  docker build . --tag=tcgen
  docker run -p 4000:80 tcgen
```

## Running Tests ✅

-   Change Directory to `Testcase-Generator`

```sh
  $ cd Testcase-Generator/
```

-   Install requirements and modules

```sh
   $ pip install -r requirements.txt
   $ pip install -e .
```

-   Run `pytest`

```sh
  $ pytest
```

-   If no tests fail, the generator is working correctly.

# FAQ 📃

1. **How do I compile with a different version of C++?**
   Changing Line 22 in [`lang_compiler.py`](https://github.com/aashutoshrathi/Testcase-Generator/blob/master/tc_generator/lang_compiler.py) to the line below will compile the file with C++ 17. You can replace the '17' with '11', '14' or '20' in the line below to compile with the respective versions.

```py
'compile': ['g++', f'{CMD}.cpp', '-o', CMD, '-std=c++17']},
```

1. **What line ending does it saves the testcases in?**
   It saves the files with Linux style file endings (LF) in both Linux and Windows (unless the file is opened and saved again in WIndows that may change it to CRLF).

# Contributors ✨

Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/docs/en/emoji-key)):

<table>
 <tr>
 <td align="center"><a href="http://aashutosh.dev"><img src="https://avatars2.githubusercontent.com/u/21199234?v=4" width="100px;" alt=""/> Aashutosh Rathi</a> <a href="#tool-aashutoshrathi" title="Tools">🔧</a> <a href="#projectManagement-aashutoshrathi" title="Project Management">📆</a> <a href="https://github.com/aashutoshrathi/Testcase-Generator/pulls?q=is%3Apr+reviewed-by%3Aaashutoshrathi" title="Reviewed Pull Requests">👀</a> <a href="https://github.com/aashutoshrathi/Testcase-Generator/issues?q=author%3Aaashutoshrathi" title="Bug reports">🐛</a> <a href="https://github.com/aashutoshrathi/Testcase-Generator/commits?author=aashutoshrathi" title="Code">💻</a></td>
 <td align="center"><a href="https://github.com/thepushkarp"><img src="https://avatars0.githubusercontent.com/u/42088801?v=4" width="100px;" alt=""/> Pushkar Patel</a> <a href="#maintenance-thepushkarp" title="Maintenance">🚧</a> <a href="https://github.com/aashutoshrathi/Testcase-Generator/commits?author=thepushkarp" title="Tests">⚠️</a> <a href="https://github.com/aashutoshrathi/Testcase-Generator/issues?q=author%3Athepushkarp" title="Bug reports">🐛</a> <a href="https://github.com/aashutoshrathi/Testcase-Generator/commits?author=thepushkarp" title="Code">💻</a></td>
 <td align="center"><a href="https://github.com/prithaupadhyay"><img src="https://avatars1.githubusercontent.com/u/21213021?v=4" width="100px;" alt=""/> Pritha Upadhyay</a> <a href="#maintenance-prithaupadhyay" title="Maintenance">🚧</a> <a href="https://github.com/aashutoshrathi/Testcase-Generator/commits?author=prithaupadhyay" title="Tests">⚠️</a> <a href="https://github.com/aashutoshrathi/Testcase-Generator/issues?q=author%3Aprithaupadhyay" title="Bug reports">🐛</a> <a href="https://github.com/aashutoshrathi/Testcase-Generator/commits?author=prithaupadhyay" title="Code">💻</a></td>
 <td align="center"><a href="https://www.vishnu.codes"><img src="https://avatars2.githubusercontent.com/u/10045752?v=4" width="100px;" alt=""/> Vishnu Ramana</a> <a href="https://github.com/aashutoshrathi/Testcase-Generator/commits?author=vishnuramana" title="Documentation">📖</a></td>
 <td align="center"><a href="https://itspugle.com"><img src="https://avatars3.githubusercontent.com/u/22669894?v=4" width="100px;" alt=""/> Tim Rossback</a> <a href="https://github.com/aashutoshrathi/Testcase-Generator/commits?author=timrossback" title="Documentation">📖</a></td>
 <td align="center"><a href="https://geekscreed.com"><img src="https://avatars0.githubusercontent.com/u/5305600?v=4" width="100px;" alt=""/> Sasivarnan R</a> <a href="https://github.com/aashutoshrathi/Testcase-Generator/commits?author=sasivarnan" title="Documentation">📖</a></td>
 <td align="center"><a href="https://github.com/gerardogalvez"><img src="https://avatars2.githubusercontent.com/u/8509232?v=4" width="100px;" alt=""/> Gerardo Gálvez</a> <a href="https://github.com/aashutoshrathi/Testcase-Generator/commits?author=gerardogalvez" title="Code">💻</a></td>
 </tr>
 <tr>
 <td align="center"><a href="https://github.com/dastgirp"><img src="https://avatars0.githubusercontent.com/u/2889931?v=4" width="100px;" alt=""/> Dastgir</a> <a href="https://github.com/aashutoshrathi/Testcase-Generator/commits?author=dastgirp" title="Documentation">📖</a></td>
 <td align="center"><a href="http://www.sai-adarsh.ml/"><img src="https://avatars1.githubusercontent.com/u/21096774?v=4" width="100px;" alt=""/> Sai Adarsh S</a> <a href="https://github.com/aashutoshrathi/Testcase-Generator/commits?author=Sai-Adarsh" title="Documentation">📖</a></td>
 <td align="center"><a href="https://www.linkedin.com/in/rounak-agarwal/"><img src="https://avatars3.githubusercontent.com/u/38394281?v=4" width="100px;" alt=""/> Rounak Agarwal</a> <a href="https://github.com/aashutoshrathi/Testcase-Generator/commits?author=agarwalrounak" title="Code">💻</a> <a href="https://medium.com/@agarwalrounak/my-nwoc-njack-winter-of-code-2018-experience-badf30b9c02d" title="Blogposts">📝</a></td>
 </tr>
</table>

This project follows the [all-contributors](https://github.com/all-contributors/all-contributors) specification. Contributions of any kind welcome!

# Stargazers over time 📈

[![Star History Chart](https://api.star-history.com/svg?repos=aashutoshrathi/Testcase-Generator&type=Date)](https://star-history.com/#aashutoshrathi/Testcase-Generator&Date)

Made with ❤ by <a href="https://github.com/aashutoshrathi">Aashutosh Rathi</a>

Testcase-Generator

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