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Copy pathtest_no_trailing_whitespace.coffee
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121 lines (99 loc) · 3.78 KB
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path = require 'path'
vows = require 'vows'
assert = require 'assert'
coffeelint = require path.join('..', 'lib', 'coffeelint')
RULE = 'no_trailing_whitespace'
vows.describe(RULE).addBatch({
'Trailing whitespace':
topic:
'''
x = 1234 \ny = 1
'''
'is forbidden by default': (source) ->
errors = coffeelint.lint(source)
assert.equal(errors.length, 1)
error = errors[0]
assert.isObject(error)
assert.equal(error.lineNumber, 1)
assert.equal(error.message, 'Line ends with trailing whitespace')
assert.equal(error.rule, RULE)
'can be permitted': (source) ->
config = no_trailing_whitespace: { level: 'ignore' }
errors = coffeelint.lint(source, config)
assert.equal(errors.length, 0)
'Trailing whitespace in comments':
topic:
'''
x = 1234 # markdown comment \ny=1
'''
'is forbidden by default': (source) ->
errors = coffeelint.lint(source)
assert.equal(errors.length, 1)
error = errors[0]
assert.isObject(error)
assert.equal(error.lineNumber, 1)
assert.equal(error.message, 'Line ends with trailing whitespace')
assert.equal(error.rule, RULE)
'can be permitted': (source) ->
config = no_trailing_whitespace: { allowed_in_comments: true }
errors = coffeelint.lint(source, config)
assert.equal(errors.length, 0)
'a # in a string':
# writen this way to preserve spacing
topic: '''x = "some # string" '''
'does not confuse trailing_whitespace': (source) ->
config = no_trailing_whitespace: { allowed_in_comments: true }
errors = coffeelint.lint(source, config)
assert.isNotEmpty(errors)
'Trailing whitespace in block comments':
topic:
'''
###\nblock comment with trailing space: \n###
'''
'is forbidden by default': (source) ->
errors = coffeelint.lint(source)
assert.equal(errors.length, 1)
error = errors[0]
assert.isObject(error)
assert.equal(error.lineNumber, 2)
assert.equal(error.message, 'Line ends with trailing whitespace')
assert.equal(error.rule, RULE)
'can be permitted': (source) ->
config = no_trailing_whitespace: { allowed_in_comments: true }
errors = coffeelint.lint(source, config)
assert.equal(errors.length, 0)
'On empty lines': # https://github.com/clutchski/coffeelint/issues/39
topic:
'''
x = 1234\n \n
'''
'allowed by default': (source) ->
errors = coffeelint.lint(source)
assert.equal(errors.length, 0)
'can be forbidden': (source) ->
config =
no_trailing_whitespace:
allowed_in_empty_lines: false
errors = coffeelint.lint(source, config)
assert.equal(errors.length, 1)
error = errors[0]
assert.isObject(error)
assert.equal(error.lineNumber, 2)
assert.equal(error.message, 'Line ends with trailing whitespace')
assert.equal(error.rule, RULE)
'Trailing tabs':
topic:
'''
x = 1234\t
'''
'are forbidden as well': (source) ->
errors = coffeelint.lint(source)
assert.equal(errors.length, 1)
'Windows line endings':
topic:
'''
x = 1234\r\ny = 5678
'''
'are permitted': (source) ->
assert.isEmpty(coffeelint.lint(source))
}).export(module)