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import pathlib
import pytest
from readme_renderer.__main__ import main
import tempfile
from unittest import mock
@pytest.fixture(params=["test_CommonMark_001.md", "test_rst_003.rst",
"test_GFM_001.md", "test_txt_001.txt"])
def input_file(request):
path = pathlib.Path("tests/fixtures", request.param)
# Skip markdown tests if the cmarkgfm optional dependency is not installed.
if path.suffix == ".md":
pytest.importorskip("cmarkgfm")
return path
@pytest.mark.parametrize("output_file", [False, True])
def test_cli_input_file(input_file, output_file):
with mock.patch("builtins.print") as print_:
if output_file:
with tempfile.TemporaryDirectory() as tmpdir:
output = pathlib.Path(tmpdir) / "output.html"
main(["-o", str(output), str(input_file)])
with output.open() as fp:
result = fp.read()
else:
main([str(input_file)])
print_.assert_called_once()
(result,), kwargs = print_.call_args
with input_file.with_suffix(".html").open() as fp:
expected = fp.read()
assert result.strip() == expected.strip()
if output_file:
assert kwargs["file"].name == str(output)
def test_cli_invalid_format():
with mock.patch("pathlib.Path.open"), \
pytest.raises(ValueError, match="invalid README format: invalid"):
main(["no-file.invalid"])
def test_cli_explicit_format(input_file):
fmt = input_file.suffix.lstrip(".")
with input_file.open() as fp, \
mock.patch("pathlib.Path.open", return_value=fp), \
mock.patch("builtins.print") as print_:
main(["-f", fmt, "no-file.invalid"])
print_.assert_called_once()
(result,), _ = print_.call_args
with input_file.with_suffix(".html").open() as fp:
assert result.strip() == fp.read().strip()
@pytest.mark.parametrize("package, contains", [
("readme_renderer", "Readme Renderer is a library that will safely render"),
("docutils", "Docutils is a modular system for processing documentation"),
])
def test_cli_package(package, contains):
with mock.patch("builtins.print") as print_:
main(["-p", package])
print_.assert_called_once()
(result,), _ = print_.call_args
assert contains in result
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