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bears/hypertext: Add HTMLHintBear
Add `HTMLHintBear` that was worked upon by @AsnelChristian. This PR is a continuation of @AsnelChristian's PR with some modifications. Closes #635
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- +177 −0 bears/hypertext/HTMLHintBear.py
- +1 −0 package.json
- +209 −0 tests/hypertext/HTMLHintBearTest.py
- +4 −0 tests/hypertext/htmlhint_test_files/.htmlhintrc
- +2 −0 tests/hypertext/htmlhint_test_files/test_attribute_duplication.html
- +2 −0 tests/hypertext/htmlhint_test_files/test_bad_inline_style.html
- +2 −0 tests/hypertext/htmlhint_test_files/test_bad_lowercase_attribute.html
- +3 −0 tests/hypertext/htmlhint_test_files/test_bad_lowercase_tagname.html
- +2 −0 tests/hypertext/htmlhint_test_files/test_bad_tag_pair.html
- +2 −0 tests/hypertext/htmlhint_test_files/test_bad_unique_attribute_id.html
- +3 −0 tests/hypertext/htmlhint_test_files/test_doctype_at_beginning.html
- +3 −0 tests/hypertext/htmlhint_test_files/test_links_in_href.html
- +2 −0 tests/hypertext/htmlhint_test_files/test_require_alt_attribute.html
| @@ -0,0 +1,177 @@ | ||
| import json | ||
| from coalib.bearlib.abstractions.Linter import linter | ||
| from dependency_management.requirements.NpmRequirement import NpmRequirement | ||
| @linter(executable='htmlhint', | ||
| output_format='regex', | ||
| output_regex=r'(?P<filename>.+):(?P<line>\d+):(?P<column>\d+):\s*' | ||
| r'(?P<message>.+) \[(?P<severity>error|warning).+\]') | ||
| class HTMLHintBear: | ||
| """ | ||
| Checks HTML code with ``htmlhint`` for possible problems. Attempts to catch | ||
| little mistakes and enforces a code style guide on HTML files. | ||
| """ | ||
| LANGUAGES = {'HTML'} | ||
| REQUIREMENTS = {NpmRequirement('htmlhint', '0.9.13')} | ||
| AUTHORS = {'The coala developers'} | ||
| AUTHORS_EMAILS = {'coala-devel@googlegroups.com'} | ||
| LICENSE = 'AGPL-3.0' | ||
| CAN_DETECT = {'Syntax', 'Formatting', 'Duplication', 'Code Simplification'} | ||
| SEE_MORE = 'https://github.com/yaniswang/HTMLHint' | ||
| @staticmethod | ||
| def generate_config(filename, file, | ||
| enforce_lowercase_tagname: bool=True, | ||
| enforce_lowercase_attribute: bool=True, | ||
| require_attribute_value_in_double_quotes: bool=False, | ||
| prohibit_empty_value_for_attribute: bool=False, | ||
| prohibit_attribute_duplication: bool=True, | ||
| require_doctype_at_beginning: bool=True, | ||
| enforce_tag_pair: bool=True, | ||
| enforce_self_close_empty_tag: bool=True, | ||
| require_escaped_special_characters: bool=False, | ||
| require_unique_attribute_id: bool=True, | ||
| require_title_tag: bool=True, | ||
| prohibit_script_in_head: bool=False, | ||
| require_alt_attribute: bool=True, | ||
| enforce_id_class_naming_convention: str=None, | ||
| prohibit_inline_style: bool=True, | ||
| require_relative_links_in_href: bool=None, | ||
| prohibit_unsafe_characters: bool=True, | ||
| prohibit_inline_script: bool=False, | ||
| prohibit_style_tag: bool=False, | ||
| htmlhint_config: str=''): | ||
| """ | ||
| :param enforce_lowercase_tagname: | ||
| Enforce the tagnames to be written in lowercase. | ||
| For example: If set to ``True``, prefer ``<span><div>`` over | ||
| ``<SPAN><BR>``. | ||
| :param enforce_lowercase_attribute: | ||
| Enforce the attribute names to be written in lowercase. | ||
| For example: If set to ``True``, prefer | ||
| ``<img src="test.png" alt="test">`` over | ||
| ``<img SRC="test.png" ALT="test">``. | ||
| :param require_attribute_value_in_double_quotes: | ||
| Allow attribute values to be enclosed in double quotes. | ||
| For example: If set to ``True``, prefer ``<a href="" title="abc">`` | ||
| over ``<a href='' title=abc>``. | ||
| :param prohibit_empty_value_for_attribute: | ||
| Disallow empty values for attributes. | ||
| For example: If set to ``True``, prefer | ||
| ``<input type="button" disabled="disabled">`` over | ||
| ``<input type="button" disabled>``. | ||
| :param prohibit_attribute_duplication: | ||
| Disallow defining of the same attribute more than once in | ||
| a tag. For example: If set to ``True``, prefer | ||
| ``<img src="a.png" />`` over ``<img src="a.png" src="b.png" />``. | ||
| :param require_doctype_at_beginning: | ||
| Enforce the ``<!DOCTYPE>`` declaration at the beginning. | ||
| For example: If set to ``True``, prefer ``<!DOCTYPE HTML><html>`` | ||
| over ``<!--comment--><!DOCTYPE HTML><html>``. | ||
| :param enforce_tag_pair: | ||
| Enforce the tags to be paired. | ||
| :param enforce_self_close_empty_tag: | ||
| Enforce the empty tag to be closed by self. | ||
| For example: If set to ``True``, prefer ``<br />`` over ``<br>``. | ||
| :param require_escaped_special_characters: | ||
| Require the special characters to be escaped. | ||
| For example: If set to ``True``, prefer | ||
| ``<span>aaa>bbb<ccc</span>`` over | ||
| ``<span>aaa>bbb<ccc</span>``. | ||
| :param require_unique_attribute_id: | ||
| Require the ID attributes to be unique in the document. | ||
| For example: If set to ``True``, prefer | ||
| ``<div id="id1"></div><div id="id2"></div>`` over | ||
| ``<div id="id1"></div><div id="id1"></div>``. | ||
| :param require_title_tag: | ||
| Require the ``<title>`` to be present in the ``<head>`` tag. | ||
| :param prohibit_script_in_head: | ||
| Prohibit the use of the ``<script>`` tag in the ``<head>`` tag. | ||
| :param require_alt_attribute: | ||
| Require ``alt`` attribute when using images (``img`` tag) and links | ||
| (``href`` tag). | ||
| For example: If set to ``True``, prefer this:: | ||
| <img src="test.png" alt="test"> | ||
| <input type="image" alt="test"> | ||
| over this:: | ||
| <img src="test.png"> | ||
| <input type="image"> | ||
| :param enforce_id_class_naming_convention: | ||
| Possible values are ``underline``, ``dash`` and ``hump``. | ||
| Require the ``id`` and ``class`` values to be set according to | ||
| the given rules. | ||
| For example: If set to ``underline``, prefer | ||
| ``<div id="aaa_bbb">``. | ||
| For example: If set to ``dash``, prefer ``<div id="aaa-bbb">``. | ||
| :param prohibit_inline_style: | ||
| Disallow the use of inline ``style`` attribute. | ||
| For example: If set to ``True``, ``<div style="color:red"></div>`` | ||
| will raise a warning. | ||
| :param require_relative_links_in_href: | ||
| If ``True``, enforce relative links in the ``href`` attribute and | ||
| if ``False``, enforce absolute links. | ||
| :param prohibit_unsafe_characters: | ||
| Prohibit the use of unsafe characters in attribute values. | ||
| For example: If set to ``True``, | ||
| ``<li><a href="https://vimeo.com//56931059\u0009">2012</a></li>`` | ||
| will raise a warning. | ||
| :param prohibit_inline_script: | ||
| Disallow the use of inline scripts. | ||
| For example: If set to ``True``, this will raise a warning:: | ||
| <img src="test.gif" onclick="alert(1);"> | ||
| <img src="javascript:alert(1)"> | ||
| <a href="javascript:alert(1)">test1</a> | ||
| :param prohibit_style_tag: | ||
| Prohibit the use of ``style`` tag. | ||
| For example: If set to ``True``, | ||
| ``<body><style type="text/css"></style></body>`` | ||
| will raise a warning. | ||
| """ | ||
| if htmlhint_config: | ||
| return None | ||
| else: | ||
| options = { | ||
| 'tagname-lowercase': enforce_lowercase_tagname, | ||
| 'attr-lowercase': enforce_lowercase_attribute, | ||
| 'attr-value-double-quotes': | ||
| require_attribute_value_in_double_quotes, | ||
| 'attr-value-not_empty': prohibit_empty_value_for_attribute, | ||
| 'attr-no-duplication': prohibit_attribute_duplication, | ||
| 'doctype-first': require_doctype_at_beginning, | ||
| 'tag-pair': enforce_tag_pair, | ||
| 'tag-self-close': enforce_self_close_empty_tag, | ||
| 'spec-char-escape': require_escaped_special_characters, | ||
| 'id-unique': require_unique_attribute_id, | ||
| 'title-require': require_title_tag, | ||
| 'head-script-disabled': prohibit_script_in_head, | ||
| 'alt-require': require_alt_attribute, | ||
| 'id-class-value': enforce_id_class_naming_convention, | ||
| 'inline-style-disabled': prohibit_inline_style, | ||
| 'attr-unsafe-chars': prohibit_unsafe_characters, | ||
| 'inline-script-disabled': prohibit_inline_script, | ||
| 'style-disabled': prohibit_style_tag, | ||
| 'href-abs-or-rel': | ||
| 'false' if require_relative_links_in_href is None | ||
| else 'rel' if require_relative_links_in_href else 'abs' | ||
| } | ||
| return json.dumps(options) | ||
| @staticmethod | ||
| def create_arguments(filename, file, config_file, htmlhint_config: str=''): | ||
| """ | ||
| :param htmlhint_config: | ||
| The path to a custom ``.htmlhintrc`` config file. | ||
| """ | ||
| return (filename, '--config', | ||
| htmlhint_config if htmlhint_config else config_file, | ||
| '--format', 'unix') |
| @@ -0,0 +1,209 @@ | ||
| import os | ||
| from queue import Queue | ||
| from bears.hypertext.HTMLHintBear import HTMLHintBear | ||
| from coalib.results.Result import Result | ||
| from coalib.results.RESULT_SEVERITY import RESULT_SEVERITY | ||
| from coalib.settings.Section import Section | ||
| from coalib.testing.BearTestHelper import generate_skip_decorator | ||
| from coalib.testing.LocalBearTestHelper import LocalBearTestHelper | ||
| def get_testfile_path(name): | ||
| return os.path.join(os.path.dirname(__file__), | ||
| 'htmlhint_test_files', | ||
| name) | ||
| def load_testfile(name): | ||
| with open(get_testfile_path(name)) as f: | ||
| return f.readlines() | ||
| @generate_skip_decorator(HTMLHintBear) | ||
| class HTMLHintBearTest(LocalBearTestHelper): | ||
| def setUp(self): | ||
| self.uut = HTMLHintBear(Section('name'), Queue()) | ||
| def test_bad_lowercase_tagname(self): | ||
| filename = 'test_bad_lowercase_tagname.html' | ||
| file_contents = load_testfile(filename) | ||
| self.check_results( | ||
| self.uut, | ||
| file_contents, | ||
| [Result.from_values('HTMLHintBear', | ||
| message='The html element name of [ SPAN ] ' | ||
| 'must be in lowercase.', | ||
| file=get_testfile_path(filename), | ||
| line=2, | ||
| column=1, | ||
| end_line=2, | ||
| end_column=1, | ||
| severity=RESULT_SEVERITY.MAJOR), | ||
| Result.from_values('HTMLHintBear', | ||
| message='The html element name of [ SPAN ] ' | ||
| 'must be in lowercase.', | ||
| file=get_testfile_path(filename), | ||
| line=3, | ||
| column=1, | ||
| end_line=3, | ||
| end_column=1, | ||
| severity=RESULT_SEVERITY.MAJOR)], | ||
| filename=get_testfile_path(filename)) | ||
| def test_bad_lowercase_attribute(self): | ||
| filename = 'test_bad_lowercase_attribute.html' | ||
| file_contents = load_testfile(filename) | ||
| self.check_results( | ||
| self.uut, | ||
| file_contents, | ||
| [Result.from_values('HTMLHintBear', | ||
| message='The attribute name of [ TYPE ] must ' | ||
| 'be in lowercase.', | ||
| file=get_testfile_path(filename), | ||
| line=2, | ||
| column=7, | ||
| end_line=2, | ||
| end_column=7, | ||
| severity=RESULT_SEVERITY.MAJOR)], | ||
| filename=get_testfile_path(filename)) | ||
| def test_attribute_duplication(self): | ||
| filename = 'test_attribute_duplication.html' | ||
| file_contents = load_testfile(filename) | ||
| self.check_results( | ||
| self.uut, | ||
| file_contents, | ||
| [Result.from_values('HTMLHintBear', | ||
| message='Duplicate of attribute name [ type ] ' | ||
| 'was found.', | ||
| file=get_testfile_path(filename), | ||
| line=2, | ||
| column=36, | ||
| end_line=2, | ||
| end_column=36, | ||
| severity=RESULT_SEVERITY.MAJOR)], | ||
| filename=get_testfile_path(filename)) | ||
| def test_bad_tag_pair(self): | ||
| filename = 'test_bad_tag_pair.html' | ||
| file_contents = load_testfile(filename) | ||
| self.check_results( | ||
| self.uut, | ||
| file_contents, | ||
| [Result.from_values('HTMLHintBear', | ||
| message='Tag must be paired, missing: ' | ||
| '[ </li> ], start tag match failed ' | ||
| '[ <li> ] on line 2.', | ||
| file=get_testfile_path(filename), | ||
| line=2, | ||
| column=9, | ||
| end_line=2, | ||
| end_column=9, | ||
| severity=RESULT_SEVERITY.MAJOR)], | ||
| filename=get_testfile_path(filename)) | ||
| def test_doctype_at_beginning(self): | ||
| filename = 'test_doctype_at_beginning.html' | ||
| file_contents = load_testfile(filename) | ||
| self.check_results( | ||
| self.uut, | ||
| file_contents, | ||
| [Result.from_values('HTMLHintBear', | ||
| message='Doctype must be declared first.', | ||
| file=get_testfile_path(filename), | ||
| line=1, | ||
| column=1, | ||
| end_line=1, | ||
| end_column=1, | ||
| severity=RESULT_SEVERITY.MAJOR)], | ||
| filename=get_testfile_path(filename)) | ||
| def test_bad_unique_attribute_id(self): | ||
| filename = 'test_bad_unique_attribute_id.html' | ||
| file_contents = load_testfile(filename) | ||
| self.check_results( | ||
| self.uut, | ||
| file_contents, | ||
| [Result.from_values('HTMLHintBear', | ||
| message='The id value [ id1 ] must be unique.', | ||
| file=get_testfile_path(filename), | ||
| line=2, | ||
| column=25, | ||
| end_line=2, | ||
| end_column=25, | ||
| severity=RESULT_SEVERITY.MAJOR)], | ||
| filename=get_testfile_path(filename)) | ||
| def test_require_alt_attribute(self): | ||
| filename = 'test_require_alt_attribute.html' | ||
| file_contents = load_testfile(filename) | ||
| self.check_results( | ||
| self.uut, | ||
| file_contents, | ||
| [Result.from_values('HTMLHintBear', | ||
| message='An alt attribute must be present on ' | ||
| '<img> elements.', | ||
| file=get_testfile_path(filename), | ||
| line=2, | ||
| column=5, | ||
| end_line=2, | ||
| end_column=5, | ||
| severity=RESULT_SEVERITY.NORMAL)], | ||
| filename=get_testfile_path(filename)) | ||
| def test_config_file(self): | ||
| filename = 'test_bad_inline_style.html' | ||
| file_contents = load_testfile(filename) | ||
| self.check_results( | ||
| self.uut, | ||
| file_contents, | ||
| [Result.from_values('HTMLHintBear', | ||
| message='Inline style [ style="color:red" ] ' | ||
| 'cannot be use.', | ||
| file=get_testfile_path(filename), | ||
| line=2, | ||
| column=5, | ||
| end_line=2, | ||
| end_column=5, | ||
| severity=RESULT_SEVERITY.NORMAL)], | ||
| filename=get_testfile_path(filename), | ||
| settings={'htmlhint_config': get_testfile_path('.htmlhintrc')}) | ||
| def test_absolute_links_in_href(self): | ||
| filename = 'test_links_in_href.html' | ||
| file_contents = load_testfile(filename) | ||
| self.check_results( | ||
| self.uut, | ||
| file_contents, | ||
| [Result.from_values('HTMLHintBear', | ||
| message='The value of the href attribute ' | ||
| '[ test.html ] must be absolute.', | ||
| file=get_testfile_path(filename), | ||
| line=2, | ||
| column=3, | ||
| end_line=2, | ||
| end_column=3, | ||
| severity=RESULT_SEVERITY.NORMAL)], | ||
| filename=get_testfile_path(filename), | ||
| settings={'require_relative_links_in_href': False}) | ||
| def test_relative_links_in_href(self): | ||
| filename = 'test_links_in_href.html' | ||
| file_contents = load_testfile(filename) | ||
| self.check_results( | ||
| self.uut, | ||
| file_contents, | ||
| [Result.from_values('HTMLHintBear', | ||
| message='The value of the href attribute ' | ||
| '[ http://www.alibaba.com/ ] must be ' | ||
| 'relative.', | ||
| file=get_testfile_path(filename), | ||
| line=3, | ||
| column=3, | ||
| end_line=3, | ||
| end_column=3, | ||
| severity=RESULT_SEVERITY.NORMAL)], | ||
| filename=get_testfile_path(filename), | ||
| settings={'require_relative_links_in_href': True}) |
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