Remove closure_linter from Chrome

third_party/closure_linter/closure_linter/typeannotation_test.py

-#!/usr/bin/env python
-"""Unit tests for the typeannotation module."""
-
-
-
-
-import unittest as googletest
-
-from closure_linter import testutil
-from closure_linter.common import erroraccumulator
-
-CRAZY_TYPE = ('Array.<!function(new:X,{a:null},...(c|d)):'
-              'function(...(Object.<string>))>')
-
-
-class TypeErrorException(Exception):
-  """Exception for TypeErrors."""
-
-  def __init__(self, errors):
-    super(TypeErrorException, self).__init__()
-    self.errors = errors
-
-
-class TypeParserTest(googletest.TestCase):
-  """Tests for typeannotation parsing."""
-
-  def _ParseComment(self, script):
-    """Parse a script that contains one comment and return it."""
-    accumulator = erroraccumulator.ErrorAccumulator()
-    _, comments = testutil.ParseFunctionsAndComments(script, accumulator)
-    if accumulator.GetErrors():
-      raise TypeErrorException(accumulator.GetErrors())
-    self.assertEquals(1, len(comments))
-    return comments[0]
-
-  def _ParseType(self, type_str):
-    """Creates a comment to parse and returns the parsed type."""
-    comment = self._ParseComment('/** @type {%s} **/' % type_str)
-    return comment.GetDocFlags()[0].jstype
-
-  def assertProperReconstruction(self, type_str, matching_str=None):
-    """Parses the type and asserts the its repr matches the type.
-
-    If matching_str is specified, it will assert that the repr matches this
-    string instead.
-
-    Args:
-      type_str: The type string to parse.
-      matching_str: A string the __repr__ of the parsed type should match.
-    Returns:
-      The parsed js_type.
-    """
-    parsed_type = self._ParseType(type_str)
-    # Use listEqual assertion to more easily identify the difference
-    self.assertListEqual(list(matching_str or type_str),
-                         list(repr(parsed_type)))
-    self.assertEquals(matching_str or type_str, repr(parsed_type))
-
-    # Newlines will be inserted by the file writer.
-    self.assertEquals(type_str.replace('\n', ''), parsed_type.ToString())
-    return parsed_type
-
-  def assertNullable(self, type_str, nullable=True):
-    parsed_type = self.assertProperReconstruction(type_str)
-    self.assertEquals(nullable, parsed_type.GetNullability(),
-                      '"%s" should %sbe nullable' %
-                      (type_str, 'not ' if nullable else ''))
-
-  def assertNotNullable(self, type_str):
-    return self.assertNullable(type_str, nullable=False)
-
-  def testReconstruction(self):
-    self.assertProperReconstruction('*')
-    self.assertProperReconstruction('number')
-    self.assertProperReconstruction('(((number)))')
-    self.assertProperReconstruction('!number')
-    self.assertProperReconstruction('?!number')
-    self.assertProperReconstruction('number=')
-    self.assertProperReconstruction('number=!?', '?!number=')
-    self.assertProperReconstruction('number|?string')
-    self.assertProperReconstruction('(number|string)')
-    self.assertProperReconstruction('?(number|string)')
-    self.assertProperReconstruction('Object.<number,string>')
-    self.assertProperReconstruction('function(new:Object)')
-    self.assertProperReconstruction('function(new:Object):number')
-    self.assertProperReconstruction('function(new:Object,Element):number')
-    self.assertProperReconstruction('function(this:T,...)')
-    self.assertProperReconstruction('{a:?number}')
-    self.assertProperReconstruction('{a:?number,b:(number|string)}')
-    self.assertProperReconstruction('{c:{nested_element:*}|undefined}')
-    self.assertProperReconstruction('{handleEvent:function(?):?}')
-    self.assertProperReconstruction('function():?|null')
-    self.assertProperReconstruction('null|function():?|bar')
-
-  def testOptargs(self):
-    self.assertProperReconstruction('number=')
-    self.assertProperReconstruction('number|string=')
-    self.assertProperReconstruction('(number|string)=')
-    self.assertProperReconstruction('(number|string=)')
-    self.assertProperReconstruction('(number=|string)')
-    self.assertProperReconstruction('function(...):number=')
-
-  def testIndepth(self):
-    # Do an deeper check of the crazy identifier
-    crazy = self.assertProperReconstruction(CRAZY_TYPE)
-    self.assertEquals('Array.', crazy.identifier)
-    self.assertEquals(1, len(crazy.sub_types))
-    func1 = crazy.sub_types[0]
-    func2 = func1.return_type
-    self.assertEquals('function', func1.identifier)
-    self.assertEquals('function', func2.identifier)
-    self.assertEquals(3, len(func1.sub_types))
-    self.assertEquals(1, len(func2.sub_types))
-    self.assertEquals('Object.', func2.sub_types[0].sub_types[0].identifier)
-
-  def testIterIdentifiers(self):
-    nested_identifiers = self._ParseType('(a|{b:(c|function(new:d):e)})')
-    for identifier in ('a', 'b', 'c', 'd', 'e'):
-      self.assertIn(identifier, nested_identifiers.IterIdentifiers())
-
-  def testIsEmpty(self):
-    self.assertTrue(self._ParseType('').IsEmpty())
-    self.assertFalse(self._ParseType('?').IsEmpty())
-    self.assertFalse(self._ParseType('!').IsEmpty())
-    self.assertFalse(self._ParseType('<?>').IsEmpty())
-
-  def testIsConstructor(self):
-    self.assertFalse(self._ParseType('').IsConstructor())
-    self.assertFalse(self._ParseType('Array.<number>').IsConstructor())
-    self.assertTrue(self._ParseType('function(new:T)').IsConstructor())
-
-  def testIsVarArgsType(self):
-    self.assertTrue(self._ParseType('...number').IsVarArgsType())
-    self.assertTrue(self._ParseType('...Object|Array').IsVarArgsType())
-    self.assertTrue(self._ParseType('...(Object|Array)').IsVarArgsType())
-    self.assertFalse(self._ParseType('Object|...Array').IsVarArgsType())
-    self.assertFalse(self._ParseType('(...Object|Array)').IsVarArgsType())
-
-  def testIsUnknownType(self):
-    self.assertTrue(self._ParseType('?').IsUnknownType())
-    self.assertTrue(self._ParseType('Foo.<?>').sub_types[0].IsUnknownType())
-    self.assertFalse(self._ParseType('?|!').IsUnknownType())
-    self.assertTrue(self._ParseType('?|!').sub_types[0].IsUnknownType())
-    self.assertFalse(self._ParseType('!').IsUnknownType())
-
-    long_type = 'function():?|{handleEvent:function(?=):?,sample:?}|?='
-    record = self._ParseType(long_type)
-    # First check that there's not just one type with 3 return types, but three
-    # top-level types.
-    self.assertEquals(3, len(record.sub_types))
-
-    # Now extract all unknown type instances and verify that they really are.
-    handle_event, sample = record.sub_types[1].sub_types
-    for i, sub_type in enumerate([
-        record.sub_types[0].return_type,
-        handle_event.return_type,
-        handle_event.sub_types[0],
-        sample,
-        record.sub_types[2]]):
-      self.assertTrue(sub_type.IsUnknownType(),
-                      'Type %d should be the unknown type: %s\n%s' % (
-                          i, sub_type.tokens, record.Dump()))
-
-  def testTypedefNames(self):
-    easy = self._ParseType('{a}')
-    self.assertTrue(easy.record_type)
-
-    easy = self.assertProperReconstruction('{a}', '{a:}').sub_types[0]
-    self.assertEquals('a', easy.key_type.identifier)
-    self.assertEquals('', easy.identifier)
-
-    easy = self.assertProperReconstruction('{a:b}').sub_types[0]
-    self.assertEquals('a', easy.key_type.identifier)
-    self.assertEquals('b', easy.identifier)
-
-  def assertTypeError(self, type_str):
-    """Asserts that parsing the given type raises a linter error."""
-    self.assertRaises(TypeErrorException, self._ParseType, type_str)
-
-  def testParseBadTypes(self):
-    """Tests that several errors in types don't break the parser."""
-    self.assertTypeError('<')
-    self.assertTypeError('>')
-    self.assertTypeError('Foo.<Bar')
-    self.assertTypeError('Foo.Bar>=')
-    self.assertTypeError('Foo.<Bar>>=')
-    self.assertTypeError('(')
-    self.assertTypeError(')')
-    self.assertTypeError('Foo.<Bar)>')
-    self._ParseType(':')
-    self._ParseType(':foo')
-    self.assertTypeError(':)foo')
-    self.assertTypeError('(a|{b:(c|function(new:d):e')
-
-  def testNullable(self):
-    self.assertNullable('null')
-    self.assertNullable('Object')
-    self.assertNullable('?string')
-    self.assertNullable('?number')
-
-    self.assertNotNullable('string')
-    self.assertNotNullable('number')
-    self.assertNotNullable('boolean')
-    self.assertNotNullable('function(Object)')
-    self.assertNotNullable('function(Object):Object')
-    self.assertNotNullable('function(?Object):?Object')
-    self.assertNotNullable('!Object')
-
-    self.assertNotNullable('boolean|string')
-    self.assertNotNullable('(boolean|string)')
-
-    self.assertNullable('(boolean|string|null)')
-    self.assertNullable('(?boolean)')
-    self.assertNullable('?(boolean)')
-
-    self.assertNullable('(boolean|Object)')
-    self.assertNotNullable('(boolean|(string|{a:}))')
-
-  def testSpaces(self):
-    """Tests that spaces don't change the outcome."""
-    type_str = (' A < b | ( c | ? ! d e f ) > | '
-                'function ( x : . . . ) : { y : z = } ')
-    two_spaces = type_str.replace(' ', '  ')
-    no_spaces = type_str.replace(' ', '')
-    newlines = type_str.replace(' ', '\n * ')
-    self.assertProperReconstruction(no_spaces)
-    self.assertProperReconstruction(type_str, no_spaces)
-    self.assertProperReconstruction(two_spaces, no_spaces)
-    self.assertProperReconstruction(newlines, no_spaces)
-
-if __name__ == '__main__':
-  googletest.main()
-