Files
edx-platform/scripts/tests/test_safe_template_linter.py
Robert Raposa d1bda204e4 Enhance Mako linting
- Lint JavaScript context for JavaScript violations
- Lint for Mako specific JavaScript rules
- Skip commented lines
- Change unicode to decode.utf8
- Count lint violations
2016-04-21 01:23:50 -04:00

1055 lines
40 KiB
Python

# -*- coding: utf-8 -*-
"""
Tests for safe_template_linter.py
"""
from ddt import ddt, data
import mock
import re
from StringIO import StringIO
import textwrap
from unittest import TestCase
from ..safe_template_linter import (
_process_os_walk, FileResults, JavaScriptLinter, MakoTemplateLinter, ParseString, StringLines,
UnderscoreTemplateLinter, Rules
)
@ddt
class TestStringLines(TestCase):
"""
Test StringLines class.
"""
@data(
{'string': 'test', 'index': 0, 'line_start_index': 0, 'line_end_index': 4},
{'string': 'test', 'index': 2, 'line_start_index': 0, 'line_end_index': 4},
{'string': 'test', 'index': 3, 'line_start_index': 0, 'line_end_index': 4},
{'string': '\ntest', 'index': 0, 'line_start_index': 0, 'line_end_index': 1},
{'string': '\ntest', 'index': 2, 'line_start_index': 1, 'line_end_index': 5},
{'string': '\ntest\n', 'index': 0, 'line_start_index': 0, 'line_end_index': 1},
{'string': '\ntest\n', 'index': 2, 'line_start_index': 1, 'line_end_index': 6},
{'string': '\ntest\n', 'index': 6, 'line_start_index': 6, 'line_end_index': 6},
)
def test_string_lines_start_end_index(self, data):
"""
Test StringLines index_to_line_start_index and index_to_line_end_index.
"""
lines = StringLines(data['string'])
self.assertEqual(lines.index_to_line_start_index(data['index']), data['line_start_index'])
self.assertEqual(lines.index_to_line_end_index(data['index']), data['line_end_index'])
@data(
{'string': 'test', 'line_number': 1, 'line': 'test'},
{'string': '\ntest', 'line_number': 1, 'line': ''},
{'string': '\ntest', 'line_number': 2, 'line': 'test'},
{'string': '\ntest\n', 'line_number': 1, 'line': ''},
{'string': '\ntest\n', 'line_number': 2, 'line': 'test'},
{'string': '\ntest\n', 'line_number': 3, 'line': ''},
)
def test_string_lines_start_end_index(self, data):
"""
Test line_number_to_line.
"""
lines = StringLines(data['string'])
self.assertEqual(lines.line_number_to_line(data['line_number']), data['line'])
class TestLinter(TestCase):
"""
Test Linter base class
"""
def _validate_data_rule(self, data, results):
if data['rule'] is None:
self.assertEqual(len(results.violations), 0)
else:
self.assertEqual(len(results.violations), 1)
self.assertEqual(results.violations[0].rule, data['rule'])
class TestSafeTemplateLinter(TestCase):
"""
Test some top-level linter functions
"""
def test_process_os_walk(self):
"""
Tests the top-level processing of template files, including Mako
includes.
"""
out = StringIO()
options = {
'is_quiet': False,
}
template_linters = [MakoTemplateLinter(), JavaScriptLinter(), UnderscoreTemplateLinter()]
with mock.patch.object(MakoTemplateLinter, '_is_valid_directory', return_value=True):
with mock.patch.object(JavaScriptLinter, '_is_valid_directory', return_value=True):
with mock.patch.object(UnderscoreTemplateLinter, '_is_valid_directory', return_value=True):
num_violations = _process_os_walk('scripts/tests/templates', template_linters, options, out)
output = out.getvalue()
self.assertEqual(num_violations, 6)
self.assertIsNotNone(re.search('test\.html.*mako-missing-default', output))
self.assertIsNotNone(re.search('test\.coffee.*javascript-concat-html', output))
self.assertIsNotNone(re.search('test\.coffee.*underscore-not-escaped', output))
self.assertIsNotNone(re.search('test\.js.*javascript-concat-html', output))
self.assertIsNotNone(re.search('test\.js.*underscore-not-escaped', output))
self.assertIsNotNone(re.search('test\.underscore.*underscore-not-escaped', output))
@ddt
class TestMakoTemplateLinter(TestLinter):
"""
Test MakoTemplateLinter
"""
@data(
{'directory': 'lms/templates', 'expected': True},
{'directory': 'lms/templates/support', 'expected': True},
{'directory': 'lms/templates/support', 'expected': True},
{'directory': 'test_root/staticfiles/templates', 'expected': False},
{'directory': './test_root/staticfiles/templates', 'expected': False},
{'directory': './some/random/path', 'expected': False},
)
def test_is_valid_directory(self, data):
"""
Test _is_valid_directory correctly determines mako directories
"""
linter = MakoTemplateLinter()
self.assertEqual(linter._is_valid_directory(data['directory']), data['expected'])
@data(
{
'template': '\n <%page expression_filter="h"/>',
'rule': None
},
{
'template':
'\n <%page args="section_data" expression_filter="h" /> ',
'rule': None
},
{
'template': '\n ## <%page expression_filter="h"/>',
'rule': Rules.mako_missing_default
},
{
'template':
'\n <%page expression_filter="h" /> '
'\n <%page args="section_data"/>',
'rule': Rules.mako_multiple_page_tags
},
{
'template':
'\n <%page expression_filter="h" /> '
'\n ## <%page args="section_data"/>',
'rule': None
},
{
'template': '\n <%page args="section_data" /> ',
'rule': Rules.mako_missing_default
},
{
'template':
'\n <%page args="section_data"/> <some-other-tag expression_filter="h" /> ',
'rule': Rules.mako_missing_default
},
{
'template': '\n',
'rule': Rules.mako_missing_default
},
)
def test_check_page_default(self, data):
"""
Test _check_mako_file_is_safe with different page defaults
"""
linter = MakoTemplateLinter()
results = FileResults('')
linter._check_mako_file_is_safe(data['template'], results)
num_violations = 0 if data['rule'] is None else 1
self.assertEqual(len(results.violations), num_violations)
if num_violations > 0:
self.assertEqual(results.violations[0].rule, data['rule'])
@data(
{'expression': '${x}', 'rule': None},
{'expression': '${{unbalanced}', 'rule': Rules.mako_unparseable_expression},
{'expression': '${x | n}', 'rule': Rules.mako_invalid_html_filter},
{'expression': '${x | n, decode.utf8}', 'rule': None},
{'expression': '${x | h}', 'rule': Rules.mako_unwanted_html_filter},
{'expression': ' ## ${commented_out | h}', 'rule': None},
{'expression': '${x | n, dump_js_escaped_json}', 'rule': Rules.mako_invalid_html_filter},
)
def test_check_mako_expressions_in_html(self, data):
"""
Test _check_mako_file_is_safe in html context provides appropriate violations
"""
linter = MakoTemplateLinter()
results = FileResults('')
mako_template = textwrap.dedent("""
<%page expression_filter="h"/>
{expression}
""".format(expression=data['expression']))
linter._check_mako_file_is_safe(mako_template, results)
self._validate_data_rule(data, results)
def test_check_mako_expression_display_name(self):
"""
Test _check_mako_file_is_safe with display_name_with_default_escaped
fails.
"""
linter = MakoTemplateLinter()
results = FileResults('')
mako_template = textwrap.dedent("""
<%page expression_filter="h"/>
${course.display_name_with_default_escaped}
""")
linter._check_mako_file_is_safe(mako_template, results)
self.assertEqual(len(results.violations), 1)
self.assertEqual(results.violations[0].rule, Rules.mako_deprecated_display_name)
@data(
{
'expression':
textwrap.dedent("""
${"Mixed {span_start}text{span_end}".format(
span_start=HTML("<span>"),
span_end=HTML("</span>"),
)}
"""),
'rule': Rules.mako_html_requires_text
},
{
'expression':
textwrap.dedent("""
${Text("Mixed {span_start}text{span_end}").format(
span_start=HTML("<span>"),
span_end=HTML("</span>"),
)}
"""),
'rule': None
},
{
'expression':
textwrap.dedent("""
${"Mixed {span_start}{text}{span_end}".format(
span_start=HTML("<span>"),
text=Text("This should still break."),
span_end=HTML("</span>"),
)}
"""),
'rule': Rules.mako_html_requires_text
},
{
'expression':
textwrap.dedent("""
${Text("Mixed {link_start}text{link_end}".format(
link_start=HTML("<a href='{}'>").format(url),
link_end=HTML("</a>"),
))}
"""),
'rule': Rules.mako_close_before_format
},
{
'expression':
textwrap.dedent("""
${Text("Mixed {link_start}text{link_end}").format(
link_start=HTML("<a href='{}'>".format(url)),
link_end=HTML("</a>"),
)}
"""),
'rule': Rules.mako_close_before_format
},
{
'expression':
textwrap.dedent("""
${"Mixed {span_start}text{span_end}".format(
span_start="<span>",
span_end="</span>",
)}
"""),
'rule': Rules.mako_wrap_html
},
{
'expression':
textwrap.dedent("""
${Text(_("String with multiple lines "
"{link_start}unenroll{link_end} "
"and final line")).format(
link_start=HTML(
'<a id="link__over_multiple_lines" '
'data-course-id="{course_id}" '
'href="#test-modal">'
).format(
course_id=course_overview.id
),
link_end=HTML('</a>'),
)}
"""),
'rule': None
},
{
'expression': "${'<span></span>'}",
'rule': Rules.mako_wrap_html
},
{
'expression': "${'Embedded HTML <strong></strong>'}",
'rule': Rules.mako_wrap_html
},
{
'expression': "${ Text('text') }",
'rule': Rules.mako_text_redundant
},
{
'expression': "${ HTML('<span></span>') }",
'rule': None
},
{
'expression': "${HTML(render_entry(map['entries'], child))}",
'rule': None
},
{
'expression': "${ HTML('<span></span>') + 'some other text' }",
'rule': Rules.mako_html_alone
},
{
'expression': "${'Rock &amp; Roll'}",
'rule': Rules.mako_html_entities
},
{
'expression': "${'Rock &#38; Roll'}",
'rule': Rules.mako_html_entities
},
)
def test_check_mako_with_text_and_html(self, data):
"""
Test _check_mako_file_is_safe tests for proper use of Text() and Html().
"""
linter = MakoTemplateLinter()
results = FileResults('')
mako_template = textwrap.dedent("""
<%page expression_filter="h"/>
{expression}
""".format(expression=data['expression']))
linter._check_mako_file_is_safe(mako_template, results)
self._validate_data_rule(data, results)
def test_check_mako_expression_default_disabled(self):
"""
Test _check_mako_file_is_safe with disable pragma for safe-by-default
works to designate that this is not a Mako file
"""
linter = MakoTemplateLinter()
results = FileResults('')
mako_template = textwrap.dedent("""
# This is anything but a Mako file.
# pragma can appear anywhere in file
# safe-lint: disable=mako-missing-default
""")
linter._check_mako_file_is_safe(mako_template, results)
self.assertEqual(len(results.violations), 1)
self.assertTrue(results.violations[0].is_disabled)
def test_check_mako_expression_disabled(self):
"""
Test _check_mako_file_is_safe with disable pragma results in no
violation
"""
linter = MakoTemplateLinter()
results = FileResults('')
mako_template = textwrap.dedent("""
<%page expression_filter="h"/>
## safe-lint: disable=mako-unwanted-html-filter
${x | h}
""")
linter._check_mako_file_is_safe(mako_template, results)
self.assertEqual(len(results.violations), 1)
self.assertTrue(results.violations[0].is_disabled)
@data(
{'template': '{% extends "wiki/base.html" %}'},
{'template': '{{ message }}'},
)
def test_check_mako_on_django_template(self, data):
"""
Test _check_mako_file_is_safe with disable pragma results in no
violation
"""
linter = MakoTemplateLinter()
results = FileResults('')
linter._check_mako_file_is_safe(data['template'], results)
self.assertEqual(len(results.violations), 0)
def test_check_mako_expressions_in_html_without_default(self):
"""
Test _check_mako_file_is_safe in html context without the page level
default h filter suppresses expression level violation
"""
linter = MakoTemplateLinter()
results = FileResults('')
mako_template = textwrap.dedent("""
${x | h}
""")
linter._check_mako_file_is_safe(mako_template, results)
self.assertEqual(len(results.violations), 1)
self.assertEqual(results.violations[0].rule, Rules.mako_missing_default)
@data(
{'expression': '${x}', 'rule': Rules.mako_invalid_js_filter},
{'expression': '${{unbalanced}', 'rule': Rules.mako_unparseable_expression},
{'expression': '${x | n}', 'rule': Rules.mako_invalid_js_filter},
{'expression': '${x | h}', 'rule': Rules.mako_invalid_js_filter},
{'expression': '${x | n, dump_js_escaped_json}', 'rule': None},
{'expression': '${x | n, decode.utf8}', 'rule': None},
)
def test_check_mako_expressions_in_javascript(self, data):
"""
Test _check_mako_file_is_safe in JavaScript script context provides
appropriate violations
"""
linter = MakoTemplateLinter()
results = FileResults('')
mako_template = textwrap.dedent("""
<%page expression_filter="h"/>
<script>
{expression}
</script>
""".format(expression=data['expression']))
linter._check_mako_file_is_safe(mako_template, results)
self._validate_data_rule(data, results)
@data(
{'expression': '${x}', 'rule': Rules.mako_invalid_js_filter},
{'expression': '"${x | n, js_escaped_string}"', 'rule': None},
)
def test_check_mako_expressions_in_require_js(self, data):
"""
Test _check_mako_file_is_safe in JavaScript require context provides
appropriate violations
"""
linter = MakoTemplateLinter()
results = FileResults('')
mako_template = textwrap.dedent("""
<%page expression_filter="h"/>
<%static:require_module module_name="${{x}}" class_name="TestFactory">
{expression}
</%static:require_module>
""".format(expression=data['expression']))
linter._check_mako_file_is_safe(mako_template, results)
self._validate_data_rule(data, results)
@data(
{'media_type': 'text/javascript', 'expected_violations': 0},
{'media_type': 'text/ecmascript', 'expected_violations': 0},
{'media_type': 'application/ecmascript', 'expected_violations': 0},
{'media_type': 'application/javascript', 'expected_violations': 0},
{'media_type': 'text/template', 'expected_violations': 1},
{'media_type': 'unknown/type', 'expected_violations': 1},
)
def test_check_mako_expressions_in_script_type(self, data):
"""
Test _check_mako_file_is_safe in script tag with different media types
"""
linter = MakoTemplateLinter()
results = FileResults('')
mako_template = textwrap.dedent("""
<%page expression_filter="h"/>
<script type="{}">
${{x | n, dump_js_escaped_json}}
</script>
""").format(data['media_type'])
linter._check_mako_file_is_safe(mako_template, results)
self.assertEqual(len(results.violations), data['expected_violations'])
def test_check_mako_expressions_in_mixed_contexts(self):
"""
Test _check_mako_file_is_safe in mixed contexts provides
appropriate violations
"""
linter = MakoTemplateLinter()
results = FileResults('')
mako_template = textwrap.dedent("""
<%page expression_filter="h"/>
${x | h}
<script type="text/javascript">
${x | h}
</script>
${x | h}
<%static:require_module module_name="${x}" class_name="TestFactory">
${x | h}
</%static:require_module>
${x | h}
""")
linter._check_mako_file_is_safe(mako_template, results)
self.assertEqual(len(results.violations), 5)
self.assertEqual(results.violations[0].rule, Rules.mako_unwanted_html_filter)
self.assertEqual(results.violations[1].rule, Rules.mako_invalid_js_filter)
self.assertEqual(results.violations[2].rule, Rules.mako_unwanted_html_filter)
self.assertEqual(results.violations[3].rule, Rules.mako_invalid_js_filter)
self.assertEqual(results.violations[4].rule, Rules.mako_unwanted_html_filter)
def test_check_mako_expressions_javascript_strings(self):
"""
Test _check_mako_file_is_safe javascript string specific rules.
- mako_js_missing_quotes
- mako_js_html_string
"""
linter = MakoTemplateLinter()
results = FileResults('')
mako_template = textwrap.dedent("""
<%page expression_filter="h"/>
<script type="text/javascript">
var valid1 = '${x | n, js_escaped_string} ${y | n, js_escaped_string}'
var valid2 = '${x | n, js_escaped_string} ${y | n, js_escaped_string}'
var valid3 = 'string' + ' ${x | n, js_escaped_string} '
var valid4 = "${Text(_('Some mixed text{begin_span}with html{end_span}')).format(
begin_span=HTML('<span>'),
end_span=HTML('</span>'),
) | n, js_escaped_string}"
var valid5 = " " + "${Text(_('Please {link_start}send us e-mail{link_end}.')).format(
link_start=HTML('<a href="#" id="feedback_email">'),
link_end=HTML('</a>'),
) | n, js_escaped_string}";
var invalid1 = ${x | n, js_escaped_string};
var invalid2 = '<strong>${x | n, js_escaped_string}</strong>'
var invalid3 = '<strong>${x | n, dump_js_escaped_json}</strong>'
</script>
""")
linter._check_mako_file_is_safe(mako_template, results)
self.assertEqual(len(results.violations), 3)
self.assertEqual(results.violations[0].rule, Rules.mako_js_missing_quotes)
self.assertEqual(results.violations[1].rule, Rules.mako_js_html_string)
self.assertEqual(results.violations[2].rule, Rules.mako_js_html_string)
def test_check_javascript_in_mako_javascript_context(self):
"""
Test _check_mako_file_is_safe with JavaScript error in JavaScript
context.
"""
linter = MakoTemplateLinter()
results = FileResults('')
mako_template = textwrap.dedent("""
<%page expression_filter="h"/>
<script type="text/javascript">
var message = '<p>' + msg + '</p>';
</script>
""")
linter._check_mako_file_is_safe(mako_template, results)
self.assertEqual(len(results.violations), 1)
self.assertEqual(results.violations[0].rule, Rules.javascript_concat_html)
self.assertEqual(results.violations[0].start_line, 4)
@data(
{'template': "\n${x | n}", 'parseable': True},
{
'template': textwrap.dedent(
"""
<div>${(
'tabbed-multi-line-expression'
) | n}</div>
"""),
'parseable': True
},
{'template': "${{unparseable}", 'parseable': False},
)
def test_expression_detailed_results(self, data):
"""
Test _check_mako_file_is_safe provides detailed results, including line
numbers, columns, and line
"""
linter = MakoTemplateLinter()
results = FileResults('')
linter._check_mako_file_is_safe(data['template'], results)
self.assertEqual(len(results.violations), 2)
self.assertEqual(results.violations[0].rule, Rules.mako_missing_default)
violation = results.violations[1]
lines = list(data['template'].splitlines())
self.assertTrue("${" in lines[violation.start_line - 1])
self.assertTrue(lines[violation.start_line - 1].startswith("${", violation.start_column - 1))
if data['parseable']:
self.assertTrue("}" in lines[violation.end_line - 1])
self.assertTrue(lines[violation.end_line - 1].startswith("}", violation.end_column - len("}") - 1))
else:
self.assertEqual(violation.start_line, violation.end_line)
self.assertEqual(violation.end_column, "?")
self.assertEqual(len(violation.lines), violation.end_line - violation.start_line + 1)
for line_index in range(0, len(violation.lines)):
self.assertEqual(violation.lines[line_index], lines[line_index + violation.start_line - 1])
@data(
{'template': "${x}"},
{'template': "\n ${x}"},
{'template': "${x} "},
{'template': "${{test-balanced-delims}} "},
{'template': "${'{unbalanced in string'}"},
{'template': "${'unbalanced in string}'}"},
{'template': "${(\n 'tabbed-multi-line-expression'\n )}"},
)
def test_find_mako_expressions(self, data):
"""
Test _find_mako_expressions for parseable expressions
"""
linter = MakoTemplateLinter()
expressions = linter._find_mako_expressions(data['template'])
self.assertEqual(len(expressions), 1)
start_index = expressions[0].start_index
end_index = expressions[0].end_index
self.assertEqual(data['template'][start_index:end_index], data['template'].strip())
self.assertEqual(expressions[0].expression, data['template'].strip())
@data(
{'template': " ${{unparseable} ${}", 'start_index': 1},
{'template': " ${'unparseable} ${}", 'start_index': 1},
)
def test_find_unparseable_mako_expressions(self, data):
"""
Test _find_mako_expressions for unparseable expressions
"""
linter = MakoTemplateLinter()
expressions = linter._find_mako_expressions(data['template'])
self.assertTrue(2 <= len(expressions))
self.assertEqual(expressions[0].start_index, data['start_index'])
self.assertIsNone(expressions[0].expression)
@data(
{
'template': '${""}',
'result': {'start_index': 2, 'end_index': 4, 'quote_length': 1}
},
{
'template': "${''}",
'result': {'start_index': 2, 'end_index': 4, 'quote_length': 1}
},
{
'template': "${'Hello'}",
'result': {'start_index': 2, 'end_index': 9, 'quote_length': 1}
},
{
'template': '${""" triple """}',
'result': {'start_index': 2, 'end_index': 16, 'quote_length': 3}
},
{
'template': r""" ${" \" \\"} """,
'result': {'start_index': 3, 'end_index': 11, 'quote_length': 1}
},
{
'template': "${'broken string}",
'result': {'start_index': 2, 'end_index': None, 'quote_length': None}
},
)
def test_parse_string(self, data):
"""
Test _parse_string helper
"""
linter = MakoTemplateLinter()
parse_string = ParseString(data['template'], data['result']['start_index'], len(data['template']))
string_dict = {
'start_index': parse_string.start_index,
'end_index': parse_string.end_index,
'quote_length': parse_string.quote_length,
}
self.assertDictEqual(string_dict, data['result'])
if parse_string.end_index is not None:
self.assertEqual(data['template'][parse_string.start_index:parse_string.end_index], parse_string.string)
start_inner_index = parse_string.start_index + parse_string.quote_length
end_inner_index = parse_string.end_index - parse_string.quote_length
self.assertEqual(data['template'][start_inner_index:end_inner_index], parse_string.string_inner)
@ddt
class TestUnderscoreTemplateLinter(TestLinter):
"""
Test UnderscoreTemplateLinter
"""
def test_check_underscore_file_is_safe(self):
"""
Test check_underscore_file_is_safe with safe template
"""
linter = UnderscoreTemplateLinter()
results = FileResults('')
template = textwrap.dedent("""
<%- gettext('Single Line') %>
<%-
gettext('Multiple Lines')
%>
""")
linter.check_underscore_file_is_safe(template, results)
self.assertEqual(len(results.violations), 0)
def test_check_underscore_file_is_not_safe(self):
"""
Test check_underscore_file_is_safe with unsafe template
"""
linter = UnderscoreTemplateLinter()
results = FileResults('')
template = textwrap.dedent("""
<%= gettext('Single Line') %>
<%=
gettext('Multiple Lines')
%>
""")
linter.check_underscore_file_is_safe(template, results)
self.assertEqual(len(results.violations), 2)
self.assertEqual(results.violations[0].rule, Rules.underscore_not_escaped)
self.assertEqual(results.violations[1].rule, Rules.underscore_not_escaped)
@data(
{
'template':
'<% // safe-lint: disable=underscore-not-escaped %>\n'
'<%= message %>',
'is_disabled': [True],
},
{
'template':
'<% // safe-lint: disable=another-rule,underscore-not-escaped %>\n'
'<%= message %>',
'is_disabled': [True],
},
{
'template':
'<% // safe-lint: disable=another-rule %>\n'
'<%= message %>',
'is_disabled': [False],
},
{
'template':
'<% // safe-lint: disable=underscore-not-escaped %>\n'
'<%= message %>\n'
'<%= message %>',
'is_disabled': [True, False],
},
{
'template':
'// This test does not use proper Underscore.js Template syntax\n'
'// But, it is just testing that a maximum of 5 non-whitespace\n'
'// are used to designate start of line for disabling the next line.\n'
' 1 2 3 4 5 safe-lint: disable=underscore-not-escaped %>\n'
'<%= message %>\n'
' 1 2 3 4 5 6 safe-lint: disable=underscore-not-escaped %>\n'
'<%= message %>',
'is_disabled': [True, False],
},
{
'template':
'<%= message %><% // safe-lint: disable=underscore-not-escaped %>\n'
'<%= message %>',
'is_disabled': [True, False],
},
{
'template':
'<%= message %>\n'
'<% // safe-lint: disable=underscore-not-escaped %>',
'is_disabled': [False],
},
)
def test_check_underscore_file_disable_rule(self, data):
"""
Test check_underscore_file_is_safe with various disabled pragmas
"""
linter = UnderscoreTemplateLinter()
results = FileResults('')
linter.check_underscore_file_is_safe(data['template'], results)
violation_count = len(data['is_disabled'])
self.assertEqual(len(results.violations), violation_count)
for index in range(0, violation_count - 1):
self.assertEqual(results.violations[index].is_disabled, data['is_disabled'][index])
def test_check_underscore_file_disables_one_violation(self):
"""
Test check_underscore_file_is_safe with disabled before a line only
disables for the violation following
"""
linter = UnderscoreTemplateLinter()
results = FileResults('')
template = textwrap.dedent("""
<% // safe-lint: disable=underscore-not-escaped %>
<%= message %>
<%= message %>
""")
linter.check_underscore_file_is_safe(template, results)
self.assertEqual(len(results.violations), 2)
self.assertEqual(results.violations[0].is_disabled, True)
self.assertEqual(results.violations[1].is_disabled, False)
@data(
{'template': '<%= HtmlUtils.ensureHtml(message) %>'},
{'template': '<%= _.escape(message) %>'},
)
def test_check_underscore_no_escape_allowed(self, data):
"""
Test check_underscore_file_is_safe with expressions that are allowed
without escaping because the internal calls properly escape.
"""
linter = UnderscoreTemplateLinter()
results = FileResults('')
linter.check_underscore_file_is_safe(data['template'], results)
self.assertEqual(len(results.violations), 0)
@ddt
class TestJavaScriptLinter(TestLinter):
"""
Test JavaScriptLinter
"""
@data(
{'template': 'var m = "Plain text " + message + "plain text"', 'rule': None},
{'template': 'var m = "檌檒濦 " + message + "plain text"', 'rule': None},
{'template': 'var m = "<p>" + message + "</p>"', 'rule': Rules.javascript_concat_html},
{'template': ' // var m = "<p>" + commentedOutMessage + "</p>"', 'rule': None},
{'template': 'var m = " <p> " + message + " </p> "', 'rule': Rules.javascript_concat_html},
{'template': 'var m = " <p> " + message + " broken string', 'rule': Rules.javascript_concat_html},
)
def test_concat_with_html(self, data):
"""
Test check_javascript_file_is_safe with concatenating strings and HTML
"""
linter = JavaScriptLinter()
results = FileResults('')
linter.check_javascript_file_is_safe(data['template'], results)
self._validate_data_rule(data, results)
@data(
{'template': 'test.append( test.render().el )', 'rule': None},
{'template': 'test.append(test.render().el)', 'rule': None},
{'template': 'test.append(test.render().$el)', 'rule': None},
{'template': 'test.append(testEl)', 'rule': None},
{'template': 'test.append($test)', 'rule': None},
# plain text is ok because any & will be escaped, and it stops false
# negatives on some other objects with an append() method
{'template': 'test.append("plain text")', 'rule': None},
{'template': 'test.append("<div/>")', 'rule': Rules.javascript_jquery_append},
{'template': 'graph.svg.append("g")', 'rule': None},
{'template': 'test.append( $( "<div>" ) )', 'rule': None},
{'template': 'test.append($("<div>"))', 'rule': None},
{'template': 'test.append($("<div/>"))', 'rule': None},
{'template': 'test.append(HtmlUtils.ensureHtml(htmlSnippet).toString())', 'rule': None},
{'template': 'HtmlUtils.append($el, someHtml)', 'rule': None},
{'template': 'test.append("fail on concat" + test.render().el)', 'rule': Rules.javascript_jquery_append},
{'template': 'test.append("fail on concat" + testEl)', 'rule': Rules.javascript_jquery_append},
{'template': 'test.append(message)', 'rule': Rules.javascript_jquery_append},
)
def test_jquery_append(self, data):
"""
Test check_javascript_file_is_safe with JQuery append()
"""
linter = JavaScriptLinter()
results = FileResults('')
linter.check_javascript_file_is_safe(data['template'], results)
self._validate_data_rule(data, results)
@data(
{'template': 'test.prepend( test.render().el )', 'rule': None},
{'template': 'test.prepend(test.render().el)', 'rule': None},
{'template': 'test.prepend(test.render().$el)', 'rule': None},
{'template': 'test.prepend(testEl)', 'rule': None},
{'template': 'test.prepend($test)', 'rule': None},
{'template': 'test.prepend("text")', 'rule': None},
{'template': 'test.prepend( $( "<div>" ) )', 'rule': None},
{'template': 'test.prepend($("<div>"))', 'rule': None},
{'template': 'test.prepend($("<div/>"))', 'rule': None},
{'template': 'test.prepend(HtmlUtils.ensureHtml(htmlSnippet).toString())', 'rule': None},
{'template': 'HtmlUtils.prepend($el, someHtml)', 'rule': None},
{'template': 'test.prepend("broken string)', 'rule': Rules.javascript_jquery_prepend},
{'template': 'test.prepend("fail on concat" + test.render().el)', 'rule': Rules.javascript_jquery_prepend},
{'template': 'test.prepend("fail on concat" + testEl)', 'rule': Rules.javascript_jquery_prepend},
{'template': 'test.prepend(message)', 'rule': Rules.javascript_jquery_prepend},
)
def test_jquery_prepend(self, data):
"""
Test check_javascript_file_is_safe with JQuery prepend()
"""
linter = JavaScriptLinter()
results = FileResults('')
linter.check_javascript_file_is_safe(data['template'], results)
self._validate_data_rule(data, results)
@data(
{'template': 'test.unwrap(HtmlUtils.ensureHtml(htmlSnippet).toString())', 'rule': None},
{'template': 'test.wrap(HtmlUtils.ensureHtml(htmlSnippet).toString())', 'rule': None},
{'template': 'test.wrapAll(HtmlUtils.ensureHtml(htmlSnippet).toString())', 'rule': None},
{'template': 'test.wrapInner(HtmlUtils.ensureHtml(htmlSnippet).toString())', 'rule': None},
{'template': 'test.after(HtmlUtils.ensureHtml(htmlSnippet).toString())', 'rule': None},
{'template': 'test.before(HtmlUtils.ensureHtml(htmlSnippet).toString())', 'rule': None},
{'template': 'test.replaceAll(HtmlUtils.ensureHtml(htmlSnippet).toString())', 'rule': None},
{'template': 'test.replaceWith(HtmlUtils.ensureHtml(htmlSnippet).toString())', 'rule': None},
{'template': 'test.replaceWith(edx.HtmlUtils.HTML(htmlString).toString())', 'rule': None},
{'template': 'test.unwrap(anything)', 'rule': Rules.javascript_jquery_insertion},
{'template': 'test.wrap(anything)', 'rule': Rules.javascript_jquery_insertion},
{'template': 'test.wrapAll(anything)', 'rule': Rules.javascript_jquery_insertion},
{'template': 'test.wrapInner(anything)', 'rule': Rules.javascript_jquery_insertion},
{'template': 'test.after(anything)', 'rule': Rules.javascript_jquery_insertion},
{'template': 'test.before(anything)', 'rule': Rules.javascript_jquery_insertion},
{'template': 'test.replaceAll(anything)', 'rule': Rules.javascript_jquery_insertion},
{'template': 'test.replaceWith(anything)', 'rule': Rules.javascript_jquery_insertion},
)
def test_jquery_insertion(self, data):
"""
Test check_javascript_file_is_safe with JQuery insertion functions
other than append(), prepend() and html() that take content as an
argument (e.g. before(), after()).
"""
linter = JavaScriptLinter()
results = FileResults('')
linter.check_javascript_file_is_safe(data['template'], results)
self._validate_data_rule(data, results)
@data(
{'template': ' element.parentNode.appendTo(target);', 'rule': None},
{'template': ' test.render().el.appendTo(target);', 'rule': None},
{'template': ' test.render().$el.appendTo(target);', 'rule': None},
{'template': ' test.$element.appendTo(target);', 'rule': None},
{'template': ' test.testEl.appendTo(target);', 'rule': None},
{'template': '$element.appendTo(target);', 'rule': None},
{'template': 'el.appendTo(target);', 'rule': None},
{'template': 'testEl.appendTo(target);', 'rule': None},
{'template': 'testEl.prependTo(target);', 'rule': None},
{'template': 'testEl.insertAfter(target);', 'rule': None},
{'template': 'testEl.insertBefore(target);', 'rule': None},
{'template': 'anycall().appendTo(target)', 'rule': Rules.javascript_jquery_insert_into_target},
{'template': 'anything.appendTo(target)', 'rule': Rules.javascript_jquery_insert_into_target},
{'template': 'anything.prependTo(target)', 'rule': Rules.javascript_jquery_insert_into_target},
{'template': 'anything.insertAfter(target)', 'rule': Rules.javascript_jquery_insert_into_target},
{'template': 'anything.insertBefore(target)', 'rule': Rules.javascript_jquery_insert_into_target},
)
def test_jquery_insert_to_target(self, data):
"""
Test check_javascript_file_is_safe with JQuery insert to target
functions that take a target as an argument, like appendTo() and
prependTo().
"""
linter = JavaScriptLinter()
results = FileResults('')
linter.check_javascript_file_is_safe(data['template'], results)
self._validate_data_rule(data, results)
@data(
{'template': 'test.html()', 'rule': None},
{'template': 'test.html( )', 'rule': None},
{'template': "test.html( '' )", 'rule': None},
{'template': "test.html('')", 'rule': None},
{'template': 'test.html("")', 'rule': None},
{'template': 'test.html(HtmlUtils.ensureHtml(htmlSnippet).toString())', 'rule': None},
{'template': 'HtmlUtils.setHtml($el, someHtml)', 'rule': None},
{'template': 'test.html("any string")', 'rule': Rules.javascript_jquery_html},
{'template': 'test.html("broken string)', 'rule': Rules.javascript_jquery_html},
{'template': 'test.html("檌檒濦")', 'rule': Rules.javascript_jquery_html},
{'template': 'test.html(anything)', 'rule': Rules.javascript_jquery_html},
)
def test_jquery_html(self, data):
"""
Test check_javascript_file_is_safe with JQuery html()
"""
linter = JavaScriptLinter()
results = FileResults('')
linter.check_javascript_file_is_safe(data['template'], results)
self._validate_data_rule(data, results)
@data(
{'template': 'StringUtils.interpolate()', 'rule': None},
{'template': 'HtmlUtils.interpolateHtml()', 'rule': None},
{'template': 'interpolate(anything)', 'rule': Rules.javascript_interpolate},
)
def test_javascript_interpolate(self, data):
"""
Test check_javascript_file_is_safe with interpolate()
"""
linter = JavaScriptLinter()
results = FileResults('')
linter.check_javascript_file_is_safe(data['template'], results)
self._validate_data_rule(data, results)
@data(
{'template': '_.escape(message)', 'rule': None},
{'template': 'anything.escape(message)', 'rule': Rules.javascript_escape},
)
def test_javascript_interpolate(self, data):
"""
Test check_javascript_file_is_safe with interpolate()
"""
linter = JavaScriptLinter()
results = FileResults('')
linter.check_javascript_file_is_safe(data['template'], results)
self._validate_data_rule(data, results)