mirror of
https://github.com/mandiant/capa.git
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151 lines
3.6 KiB
Python
151 lines
3.6 KiB
Python
# Copyright 2020 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import textwrap
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import capa.rules
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EXPECTED = textwrap.dedent("""\
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rule:
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meta:
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name: test rule
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authors:
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- user@domain.com
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scopes:
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static: function
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dynamic: process
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examples:
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- foo1234
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- bar5678
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features:
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- and:
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- number: 1
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- number: 2
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""")
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def test_rule_reformat_top_level_elements():
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rule = textwrap.dedent("""
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rule:
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features:
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- and:
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- number: 1
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- number: 2
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meta:
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name: test rule
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authors:
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- user@domain.com
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scopes:
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static: function
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dynamic: process
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examples:
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- foo1234
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- bar5678
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""")
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assert capa.rules.Rule.from_yaml(rule).to_yaml() == EXPECTED
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def test_rule_reformat_indentation():
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rule = textwrap.dedent("""
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rule:
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meta:
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name: test rule
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authors:
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- user@domain.com
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scopes:
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static: function
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dynamic: process
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examples:
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- foo1234
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- bar5678
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features:
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- and:
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- number: 1
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- number: 2
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""")
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assert capa.rules.Rule.from_yaml(rule).to_yaml() == EXPECTED
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def test_rule_reformat_order():
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rule = textwrap.dedent("""
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rule:
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meta:
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authors:
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- user@domain.com
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examples:
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- foo1234
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- bar5678
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scopes:
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static: function
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dynamic: process
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name: test rule
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features:
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- and:
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- number: 1
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- number: 2
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""")
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assert capa.rules.Rule.from_yaml(rule).to_yaml() == EXPECTED
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def test_rule_reformat_meta_update():
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# test updating the rule content after parsing
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src = textwrap.dedent("""
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rule:
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meta:
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authors:
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- user@domain.com
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examples:
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- foo1234
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- bar5678
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scopes:
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static: function
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dynamic: process
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name: AAAA
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features:
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- and:
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- number: 1
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- number: 2
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""")
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rule = capa.rules.Rule.from_yaml(src)
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rule.name = "test rule"
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assert rule.to_yaml() == EXPECTED
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def test_rule_reformat_string_description():
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# the `description` should be aligned with the preceding feature name.
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# see #263
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src = textwrap.dedent("""
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rule:
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meta:
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name: test rule
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authors:
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- user@domain.com
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scopes:
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static: function
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dynamic: process
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features:
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- and:
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- string: foo
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description: bar
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""").lstrip()
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rule = capa.rules.Rule.from_yaml(src)
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assert rule.to_yaml() == src
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