def test_links_diff_should_not_check_content_type_header_if_content_type_options_is_nocheck(
):
links_diff('<p>Just a little HTML</p>',
'Some other text',
a_headers={'Content-Type': 'text/html'},
b_headers={'Content-Type': 'image/jpeg'},
content_type_options='nocheck')
def test_links_diff_should_check_content_type_header():
with pytest.raises(UndiffableContentError):
links_diff(
'<p>Just a little HTML</p>',
'Some other text',
a_headers={'Content-Type': 'text/html'},
b_headers={'Content-Type': 'image/jpeg'})
def test_links_diff_should_not_raise_for_non_html_content_if_content_type_options_is_nosniff(
):
pdf_file = resource_filename('web_monitoring', 'example_data/empty.pdf')
pdf_content = Path(pdf_file).read_text(errors='ignore')
links_diff('<p>Just a little HTML</p>',
pdf_content,
content_type_options='nosniff')
def test_links_diff_should_raise_for_non_html_content():
pdf_file = resource_filename('web_monitoring', 'example_data/empty.pdf')
pdf_content = Path(pdf_file).read_text(errors='ignore')
with pytest.raises(UndiffableContentError):
links_diff(
'<p>Just a little HTML</p>',
pdf_content)
def test_links_diff_should_not_check_content_if_content_type_options_is_ignore(
):
pdf_file = resource_filename('web_monitoring', 'example_data/empty.pdf')
pdf_content = Path(pdf_file).read_text(errors='ignore')
links_diff('<p>Just a little HTML</p>',
pdf_content,
a_headers={'Content-Type': 'text/html'},
b_headers={'Content-Type': 'application/pdf'},
content_type_options='ignore')
def test_links_diff_only_has_outgoing_links():
html_a = """
Here is some HTML with <a href="http://google.com">some links</a>
in it. Those links <a href="#local">go places</a>.
"""
html_b = """
Here is some HTML with <a href="http://google.com">some links</a>
in it. Those links <a href="#local">go places</a>.
"""
result = links_diff(html_a, html_b)['diff']
assert result.count('<a') == 1
def test_links_diff_only_includes_links():
html_a = """
Here is some HTML with <a href="http://google.com">some links</a>
in it. Those links <a href="http://example.com">go places</a>.
"""
html_b = """
Here is some HTML with <a href="http://ugh.com">some</a> links
in it. Those links <a href="http://example.com">go places</a>.
"""
result = links_diff(html_a, html_b)['diff']
assert 'Here is some' not in result
assert '<li>go places' in result
def test_links_diff_should_show_the_alt_text_for_images():
html_a = """
HTML with an <a href="http://google.com">
<img src="whatever.jpg" alt="Alt text!"></a> image in it.
Also an image with no alt text: <a href="/relative">
<img src="whatever.jpg"></a>.
"""
html_b = """
HTML with an <a href="http://google.com">
<img src="whatever.jpg" alt="Alt text!"></a> image in it.
Also an image with no alt text: <a href="/relative">
<img src="whatever.jpg"></a>.
"""
result = links_diff(html_a, html_b)['diff']
assert '[image: Alt text!]' in result
assert '[image]' in result