sublime_plugin_tests 2.0.0

Getting Started

Install the module with: pip install sublime_plugin_tests

Then, write your tests:

# Load in test framework
from sublime_plugin_tests import framework

# Define a TestCase
class TestLeftDelete(framework.TestCase):
    def test_left_delete_single(self):
        # Each test function *must* return Python with a `run` function
        # `run` will be run inside Sublime Text. Perform your assertions etc there.
        return """
# Use ScratchView utility provided by `sublime_plugin_tests`
try:
  from utils.scratch_view import ScratchView
except ImportError:
  from .utils.scratch_view import ScratchView

def run():
  # Generate new scratch file
  scratch_view = ScratchView()
  try:
      # Update the content and selection `ab|c`
      scratch_view.set_content('abc')
      scratch_view.set_sel([(2, 2)])

      # Delete one character to the left `a|c
      scratch_view.run_command('left_delete')

      # Assert the current content
      assert scratch_view.get_content() == 'ac'
  finally:
      # No matter what happens, close the view
      scratch_view.destroy()
"""

$ # Run tests via nosetests
$ nosetests
.
----------------------------------------------------------------------
Ran 1 test in 0.076s

OK

language: python
python:
  - "2.7"
env:
  - SUBLIME_TEXT_VERSION="2"
  - SUBLIME_TEXT_VERSION="3"

install:
  # Install Sublime Text and output version
  - curl https://raw.githubusercontent.com/twolfson/sublime-installer/0.1.3/install.sh | sh -s $SUBLIME_TEXT_VERSION
  - subl --version

  # Install dev dependencies
  - pip install sublime-plugin-tests

  # Install our plugin
  - mkdir -p '~/.config/sublime-text-'$SUBLIME_TEXT_VERSION'/Packages/'
  - ln -s $PWD '~/.config/sublime-text-'$SUBLIME_TEXT_VERSION'/Packages/YOUR_PLUGIN_NAME'

before_script:
  # Generate a screen buffer to collect Sublime Text window
  - export DISPLAY=:99.0
  - sh -e /etc/init.d/xvfb start

  # Ensure the scripts self-terminate
  - export SUBLIME_AUTO_KILL=TRUE

script:
  # Run our tests
  - nosetests --nocapture --verbose --stop

Documentation

sublime-plugin-tests consists of two pieces: test framework code (outside Sublime Text) and test helpers (inside Sublime Text).

The test framework code is run in your normal development environment (e.g. where nosetests lives). The test helpers live inside of Sublime text to make your testing life easier.

class TestLeftDelete(TestCase):
    def test_left_delete_single(self):
        return """
import sublime

def run():
    # I am run inside of Sublime Text
    assert sublime.active_window().active_view()
"""

split_selection(input)
"""
@param {String} input Python to parse selection indicators out of
@returns {Dictionary} ret_obj Container for selection and content
@return {List} ret_obj['selection'] List of tuples for start/end position of selections
@return {String} ret_obj['content'] Python with selection characters removed
"""

split_selection("""
def abc|():
    pas|s
""")

{
  'content': """
def abc():
    pass
""",
  'selection': [(7, 7), (18, 18)]
}

# Open temporary file inside of Sublime Text's active window
tmp_view = ScratchView()

# Run `left_delete` command inside of `tmp_view`
tmp_view.run_command('left_delete')

# `set_content` replaces all of the content.
tmp_view.set_content('Hello World!')

# `get_content` returns the current content.
tmp_view.get_content() # 'Hello World!'

# `clear_content` deletes all of the content.
tmp_view.clear_content()

# `set_sel` replaces the selection.
# For convenience, tuples and lists are coerced to `sublime.Region`.
tmp_view.set_sel([(6, 6), (7, 7)])

# `get_sel` returns the current selection.
tmp_view.get_sel() # RegionSet([Region(6, 6), Region(7, 7)])

# `clear_sel` deselects everything.
tmp_view.clear_sel()

# Close `tmp_view`
tmp_view.destroy()

tmp_view.view # sublime.View instance

Architecture

Framework takes each test function, wraps it in a test harness, runs it, and asserts whether the harness saw an error or not.

The test harness generates a temporary Sublime Text plugin which runs your test in the context of Sublime. This harness is launched via a CLI invocation of Sublime Text.

The output and assertions of each test function are reported back to nosetests which prints to stdout and exits.

Contributing

In lieu of a formal styleguide, take care to maintain the existing coding style. Add unit tests for any new or changed functionality. Test via ./test.sh.

If you would like to headlessly run the tests, this repository can be used with Vagrant.

Currently, it is only configured for Sublime Text 3.

$ vagrant up
[default] Importing base box 'precise64'...
...
$ vagrant ssh
vagrant@precise64:~$ cd /vagrant
vagrant@precise64:/vagrant$ ./test.sh
...
----------------------------------------------------------------------
Ran 3 tests in 2.651s

OK

Donating

Support this project and others by twolfson via gittip.

Unlicense

As of Sep 05 2013, Todd Wolfson has released this repository and its contents to the public domain.

It has been released under the UNLICENSE.