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import os
from io import StringIO
import pytest
from pygments.formatters import HtmlFormatter
from pygments.lexers import PythonLexer
from .support import structural_diff
TESTDIR = os.path.dirname(os.path.abspath(__file__))
EXPECTED_OUTPUT_DIR = os.path.join(TESTDIR, "html_linenos_expected_output")
CODE = list(PythonLexer().get_tokens("# a\n# b\n# c"))
def single_line(text):
return "".join(l.strip() for l in text.splitlines())
# Note: option `anchorlinenos` is currently ignored for `linenos=inline`
@pytest.mark.parametrize("linenos", ["inline", "table"])
@pytest.mark.parametrize("noclasses", ["False", "True"])
@pytest.mark.parametrize("linenostep", ["1", "2"])
@pytest.mark.parametrize("linenostart", ["1", "8"])
@pytest.mark.parametrize("linenospecial", ["0", "3"])
@pytest.mark.parametrize("anchorlinenos", ["False", "True"])
@pytest.mark.parametrize("filename", ["", "testfilename"])
def test_linenos_elements(
linenos, noclasses, linenostep, linenostart, linenospecial, anchorlinenos, filename
):
options = dict(
linenos=linenos,
noclasses=noclasses,
linenostep=linenostep,
linenostart=linenostart,
linenospecial=linenospecial,
anchorlinenos=anchorlinenos,
filename=filename,
)
output = StringIO()
fmt = HtmlFormatter(**options)
fmt.format(CODE, output)
html = output.getvalue()
filename_parts = []
filename_parts.append(linenos)
filename_parts.append("nocls" if noclasses == "True" else "cls")
filename_parts.append("step_" + linenostep)
filename_parts.append("start_" + linenostart)
filename_parts.append("special_" + linenospecial)
filename_parts.append("anchor" if anchorlinenos == "True" else "noanchor")
filename_parts.append("filename" if filename else "nofilename")
expected_html_filename = "_".join(filename_parts) + ".html"
# with open(os.path.join(EXPECTED_OUTPUT_DIR, expected_html_filename), 'w') as f:
# import bs4 as BeautifulSoup
# f.write(str(BeautifulSoup.BeautifulSoup(html, 'html.parser')))
with open(os.path.join(EXPECTED_OUTPUT_DIR, expected_html_filename),
encoding="utf-8") as f:
expected_html = f.read()
structural_diff.structural_diff(html, expected_html)
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