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Light weight BDD Pattern

Project description

# Light weight BDD Pattern

## Installation
* `pip install apple-mango`

## Goal
* Easy to Use
* Compatible with Python unittest
* Compatible with existing test code
* Support Python3

## Next Step
* Register to pypi
* Add CI
* Support pytest

## Usage
* Define regular test class
* Define regular test method with `@mango.given()`
* Define inner `when` method with `@mango.when()`
* Define inner `then` method with `@mango.then()`
* Run python test: `python -m unittest test_file.py`
* No need to call inner `when` and `then` method becuase `given(), when(), then()` decorators will take care of it

### Example
```python
# test_exampel.py

class MangoUseCase(TestCase):
def setUp(self):
self.user = 'jun'

@mango.given('I am logged-in user')
def test_profile(self):
self.given.user_profile = 'my_profile'
self.given.user_photo = 'my_photo'

self.given.notifications_count = 3
self.given.unread_notifications_count = 1

@mango.when('I click profile')
def when_click_profile():
print('click')

@mango.then('I see profile')
def then_profile():
self.assertEqual(self.given.user_profile, 'my_profile')

@mango.then('I see my photo')
def then_photo():
self.assertEqual(self.given.user_photo, 'my_photo')

@mango.when('I click notification')
def when_click_notification():
print('click')

@mango.then('I see 3 notifications')
def then_notification():
self.assertEqual(self.given.notifications_count, 3)

@mango.then('I see 1 unread notification')
def then_unread_notification():
self.assertEqual(self.given.unread_notifications_count, 1)

@mango.given('I am logged-out user')
def test_auth(self):
self.given.status_code = 401

@mango.when('I access profile by url')
def when_access_profile():
print('access profile')

@mango.then('I see 401 error')
def then_error():
self.assertEqual(self.given.status_code, 401)

```

### Run Example
```python
python -m unittest test_example.py
```

## Contributing

### Run Test
```python
python -m unittest tests/test_mango.py
```


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