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empty-values: Add forbid-in-flow-mappings conf

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This allows preventing implicit `null` from empty values in flow
mappings.

For example:

    {a:}

    {a:, b: 2}

    {
      a: {
        b: ,
        c: {
          d: 4,
          e:
        }
      },
      f:
    }
This commit is contained in:
Adrien Vergé
2017-11-04 11:25:35 +01:00
parent 8537b0a164
commit c4475ece34
3 changed files with 198 additions and 42 deletions
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204
tests/rules/test_empty_values.py
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@@ -20,112 +20,242 @@ from tests.common import RuleTestCase
class EmptyValuesTestCase(RuleTestCase):
rule_id = 'empty-values'
def test_disabled_globally(self):
conf = 'empty-values: disable'
def test_disabled(self):
conf = ('empty-values: disable\n'
'braces: disable\n'
'commas: disable\n')
self.check('---\n'
'foo:\n', conf)
self.check('---\n'
'foo:\n'
' bar:\n', conf)
self.check('---\n'
'{a:}\n', conf)
self.check('---\n'
'foo: {a:}\n', conf)
self.check('---\n'
'- {a:}\n'
'- {a:, b: 2}\n'
'- {a: 1, b:}\n'
'- {a: 1, b: , }\n', conf)
self.check('---\n'
'{a: {b: , c: {d: 4, e:}}, f:}\n', conf)
def test_disabled_forbid_in_block_mappings(self):
conf = 'empty-values: {forbid-in-block-mappings: false}'
def test_in_block_mappings_disabled(self):
conf = ('empty-values: {forbid-in-block-mappings: false,\n'
' forbid-in-flow-mappings: false}\n')
self.check('---\n'
'foo:\n', conf)
self.check('---\n'
'foo:\n'
'bar: aaa\n', conf)
def test_single_line(self):
conf = 'empty-values: {forbid-in-block-mappings: true}\n'
def test_in_block_mappings_single_line(self):
conf = ('empty-values: {forbid-in-block-mappings: true,\n'
' forbid-in-flow-mappings: false}\n')
self.check('---\n'
'implicitly-null:\n', conf, problem1=(2, 17))
self.check('---\n'
'implicitly-null:with-colons:in-key:\n', conf,
problem1=(2, 36))
self.check('---\n'
'implicitly-null:with-colons:in-key2:\n', conf,
problem1=(2, 37))
def test_enabled_all_lines(self):
conf = 'empty-values: {forbid-in-block-mappings: true}\n'
def test_in_block_mappings_all_lines(self):
conf = ('empty-values: {forbid-in-block-mappings: true,\n'
' forbid-in-flow-mappings: false}\n')
self.check('---\n'
'foo:\n'
'bar:\n'
'foobar:\n', conf, problem1=(2, 5),
problem2=(3, 5), problem3=(4, 8))
def test_enabled_explicit_end_of_document(self):
conf = 'empty-values: {forbid-in-block-mappings: true}\n'
def test_in_block_mappings_explicit_end_of_document(self):
conf = ('empty-values: {forbid-in-block-mappings: true,\n'
' forbid-in-flow-mappings: false}\n')
self.check('---\n'
'foo:\n'
'...\n', conf, problem1=(2, 5))
def test_enabled_not_end_of_document(self):
conf = 'empty-values: {forbid-in-block-mappings: true}\n'
def test_in_block_mappings_not_end_of_document(self):
conf = ('empty-values: {forbid-in-block-mappings: true,\n'
' forbid-in-flow-mappings: false}\n')
self.check('---\n'
'foo:\n'
'bar:\n'
' aaa\n', conf, problem1=(2, 5))
def test_enabled_different_level(self):
conf = 'empty-values: {forbid-in-block-mappings: true}\n'
def test_in_block_mappings_different_level(self):
conf = ('empty-values: {forbid-in-block-mappings: true,\n'
' forbid-in-flow-mappings: false}\n')
self.check('---\n'
'foo:\n'
' bar:\n'
'aaa: bbb\n', conf, problem1=(3, 6))
def test_enabled_empty_flow_mapping(self):
conf = 'empty-values: {forbid-in-block-mappings: true}\n'
def test_in_block_mappings_empty_flow_mapping(self):
conf = ('empty-values: {forbid-in-block-mappings: true,\n'
' forbid-in-flow-mappings: false}\n'
'braces: disable\n'
'commas: disable\n')
self.check('---\n'
'foo: {a:}\n', conf)
self.check('---\n'
'- {a:, b: 2}\n'
'- {a: 1, b:}\n'
'- {a: 1, b: , }\n', conf)
def test_enabled_empty_block_sequence(self):
conf = 'empty-values: {forbid-in-block-mappings: true}\n'
def test_in_block_mappings_empty_block_sequence(self):
conf = ('empty-values: {forbid-in-block-mappings: true,\n'
' forbid-in-flow-mappings: false}\n')
self.check('---\n'
'foo:\n'
' -\n', conf)
def test_enabled_not_empty_or_explicit_null(self):
conf = 'empty-values: {forbid-in-block-mappings: true}\n'
def test_in_block_mappings_not_empty_or_explicit_null(self):
conf = ('empty-values: {forbid-in-block-mappings: true,\n'
' forbid-in-flow-mappings: false}\n')
self.check('---\n'
'foo:\n'
' bar:\n'
' aaa\n', conf)
self.check('---\n'
'explicitly-null: null\n', conf)
self.check('---\n'
'explicitly-null:with-colons:in-key: null\n', conf)
self.check('---\n'
'false-null: nulL\n', conf)
self.check('---\n'
'empty-string: \'\'\n', conf)
self.check('---\n'
'nullable-boolean: false\n', conf)
self.check('---\n'
'nullable-int: 0\n', conf)
self.check('---\n'
'First occurrence: &anchor Foo\n'
'Second occurrence: *anchor\n', conf)
def test_enabled_various_explicit_null(self):
conf = 'empty-values: {forbid-in-block-mappings: true}\n'
self.check('---\n'
'null-key1: {?: val}\n', conf)
def test_in_block_mappings_various_explicit_null(self):
conf = ('empty-values: {forbid-in-block-mappings: true,\n'
' forbid-in-flow-mappings: false}\n')
self.check('---\n'
'null-alias: ~\n', conf)
self.check('---\n'
'null-key1: {?: val}\n', conf)
self.check('---\n'
'null-key2: {? !!null "": val}\n', conf)
def test_in_block_mappings_comments(self):
conf = ('empty-values: {forbid-in-block-mappings: true,\n'
' forbid-in-flow-mappings: false}\n'
'comments: disable\n')
self.check('---\n'
'empty: # comment\n'
'foo:\n'
' bar: # comment\n', conf,
problem1=(2, 7),
problem2=(4, 7))
def test_in_flow_mappings_disabled(self):
conf = ('empty-values: {forbid-in-block-mappings: false,\n'
' forbid-in-flow-mappings: false}\n'
'braces: disable\n'
'commas: disable\n')
self.check('---\n'
'{a:}\n', conf)
self.check('---\n'
'foo: {a:}\n', conf)
self.check('---\n'
'- {a:}\n'
'- {a:, b: 2}\n'
'- {a: 1, b:}\n'
'- {a: 1, b: , }\n', conf)
self.check('---\n'
'{a: {b: , c: {d: 4, e:}}, f:}\n', conf)
def test_in_flow_mappings_single_line(self):
conf = ('empty-values: {forbid-in-block-mappings: false,\n'
' forbid-in-flow-mappings: true}\n'
'braces: disable\n'
'commas: disable\n')
self.check('---\n'
'{a:}\n', conf,
problem=(2, 4))
self.check('---\n'
'foo: {a:}\n', conf,
problem=(2, 9))
self.check('---\n'
'- {a:}\n'
'- {a:, b: 2}\n'
'- {a: 1, b:}\n'
'- {a: 1, b: , }\n', conf,
problem1=(2, 6),
problem2=(3, 6),
problem3=(4, 12),
problem4=(5, 12))
self.check('---\n'
'{a: {b: , c: {d: 4, e:}}, f:}\n', conf,
problem1=(2, 8),
problem2=(2, 23),
problem3=(2, 29))
def test_in_flow_mappings_multi_line(self):
conf = ('empty-values: {forbid-in-block-mappings: false,\n'
' forbid-in-flow-mappings: true}\n'
'braces: disable\n'
'commas: disable\n')
self.check('---\n'
'foo: {\n'
' a:\n'
'}\n', conf,
problem=(3, 5))
self.check('---\n'
'{\n'
' a: {\n'
' b: ,\n'
' c: {\n'
' d: 4,\n'
' e:\n'
' }\n'
' },\n'
' f:\n'
'}\n', conf,
problem1=(4, 7),
problem2=(7, 9),
problem3=(10, 5))
def test_in_flow_mappings_various_explicit_null(self):
conf = ('empty-values: {forbid-in-block-mappings: false,\n'
' forbid-in-flow-mappings: true}\n'
'braces: disable\n'
'commas: disable\n')
self.check('---\n'
'{explicit-null: null}\n', conf)
self.check('---\n'
'{null-alias: ~}\n', conf)
self.check('---\n'
'null-key1: {?: val}\n', conf)
self.check('---\n'
'null-key2: {? !!null "": val}\n', conf)
def test_in_flow_mappings_comments(self):
conf = ('empty-values: {forbid-in-block-mappings: false,\n'
' forbid-in-flow-mappings: true}\n'
'braces: disable\n'
'commas: disable\n'
'comments: disable\n')
self.check('---\n'
'{\n'
' a: {\n'
' b: , # comment\n'
' c: {\n'
' d: 4, # comment\n'
' e: # comment\n'
' }\n'
' },\n'
' f: # comment\n'
'}\n', conf,
problem1=(4, 7),
problem2=(7, 9),
problem3=(10, 5))