def test_sum_template_transform(self):
     values = self.sum_template.transform({
         'get_value': 1,
         'get_nonexisting_value': 0,
     })
     self.maxDiff = None
     self.assertEqual(values, {
         'base': list(parse("""
             (do
               (defn agg_sub [tally value]
                 (- tally value))
               (defn agg_add [tally value]
                 (+ tally value))
               (defn agg_trans [value]
                 value))
         """))[0],
         'handle_change': list(parse("""
             (-> tally
               (agg_sub (agg_trans old_value))
               (agg_add (agg_trans new_value)))
         """))[0],
         'get_value': 1,
         'get_nonexisting_value': 0,
         'get_tally': 0,
     })
示例#2
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 def test_parse_spread(self):
     self.assertEqual(
         list(parse('[&foo 1 2 3 &bar 4 5 6 &baz]'))[0],
         [
             KW('into_list'),
             KW('foo'),
             [KW('list'), 1, 2, 3],
             KW('bar'),
             [KW('list'), 4, 5, 6],
             KW('baz'),
         ],
     )
示例#3
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 def test_parse_operators(self):
     self.assertEqual(
         list(parse('* / + - = != <= >= < > ->')),
         [
             KW('*'),
             KW('/'),
             KW('+'),
             KW('-'),
             KW('='),
             KW('!='),
             KW('<='),
             KW('>='),
             KW('<'),
             KW('>'),
             KW('->'),
         ],
     )
AGGREGATE_TEMPLATE = list(parse("""
(do
  (def agg_base '(do
    (defn agg_sub [tally value]
      (unquote sub))

    (defn agg_add [tally value]
      (unquote add))

    (defn agg_trans [value]
      (unquote (if (def? transform)
        transform
        'value)))))

  (if (def? base)
    (def agg_base (cat
      '(do (unquote base))
      (slice agg_base 1 null))))

  (def res #{
    'base
      agg_base

    'handle_change
      '(-> tally
        (agg_sub (agg_trans old_value))
        (agg_add (agg_trans new_value)))})

  (for key [
      'get_tally
      'get_value
      'get_nonexisting_value
      'filter_value
      'get_group]
    (if (eval '(def? (unquote key)))
      (put res key (eval key))))

  res)
"""))[0]
示例#5
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 def test_parse_string(self):
     self.assertEqual(next(parse('"foobar\\"\\n\\t\\r"')), 'foobar"\n\t\r')
示例#6
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 def test_parse_float(self):
     self.assertEqual(next(parse('0.123')), 0.123)
示例#7
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 def test_unexpected_eof(self):
     with self.assertRaises(ValueError) as cm:
         list(parse('('))
     self.assertEqual(str(cm.exception), 'Unexpected EOF')
示例#8
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 def test_unexpected_closing_paren(self):
     with self.assertRaises(ValueError) as cm:
         list(parse(')'))
     self.assertEqual(str(cm.exception), 'Unexpected )')
示例#9
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 def test_final_error(self):
     with self.assertRaises(ValueError) as cm:
         list(parse('foo %'))
     self.assertEqual(str(cm.exception), 'Invalid body: %')
示例#10
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 def test_intermediate_error(self):
     with self.assertRaises(ValueError) as cm:
         list(parse('% foo'))
     self.assertEqual(str(cm.exception), 'Invalid body: %')
示例#11
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 def test_serialize(self):
     self.assertEqual(list(parse(serialize(body, many=True))), body)
示例#12
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 def test_parse(self):
     self.assertEqual(list(parse(source)), body)
示例#13
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 def test_parse_col_spread_without_expression(self):
     with self.assertRaises(ValueError) as cm:
         list(parse('[&]'))
     self.assertEqual(str(cm.exception), 'Expected expression to spread')
示例#14
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 def test_parse_constants(self):
     self.assertEqual(
         list(parse('null true false')),
         [None, True, False],
     )