# # diffoscope: in-depth comparison of files, archives, and directories # # Copyright © 2017-2020 Chris Lamb # # diffoscope is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # diffoscope is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with diffoscope. If not, see . import os import re import pytest from diffoscope.main import main from diffoscope.readers import load_diff_from_path from diffoscope.presenters.utils import ( create_limited_print_func, PrintLimitReached, PartialString, ) from diffoscope.presenters.json import JSONPresenter from .utils import diff_expand from .utils.data import cwd_data, data, get_data from .utils.tools import ( skip_unless_tools_exist, skip_unless_file_version_is_at_least, ) re_html = re.compile( r'.*.*)

', re.MULTILINE | re.DOTALL ) def run(capsys, *args, pair=("test1.tar", "test2.tar")): with pytest.raises(SystemExit) as exc, cwd_data(): main(args + pair) out, err = capsys.readouterr() assert err == "" assert exc.value.code == 1 return out def run_images(capsys, *args): return run(capsys, *args, pair=("test1.png", "test2.png")) def extract_body(val): """ Extract the salient parts of HTML fixtures that won't change between versions, etc. """ result = re_html.search(val).group("body") # Ensure that we extracted something assert len(result) > 0 return result def expand_collapsed_json(tmpdir, name): diff = load_diff_from_path(data(name + ".collapsed-diff.json")) diff_path = str(tmpdir.join(name + ".diff.json")) with open(diff_path, "w") as fp: JSONPresenter(lambda x: print(x, file=fp)).start( diff.fmap(diff_expand) ) return diff_path def test_text_option_is_default(capsys): out = run(capsys) assert out == get_data("output.txt") @skip_unless_file_version_is_at_least("5.39") def test_text_proper_indentation(capsys): out = run(capsys, pair=("archive1.tar", "archive2.tar")) assert out == get_data("archive12.diff.txt") def test_text_option_color(capsys): out = run(capsys, "--text-color=always") assert out == get_data("output.colored.txt") def test_text_option_with_file(tmpdir, capsys): report_path = str(tmpdir.join("report.txt")) out = run(capsys, "--text", report_path) assert out == "" with open(report_path, "r", encoding="utf-8") as f: assert f.read() == get_data("output.txt") def test_text_option_with_stdout(capsys): out = run(capsys, "--text", "-") assert out == get_data("output.txt") def test_markdown(capsys): out = run(capsys, "--markdown", "-") assert out == get_data("output.md") def test_restructuredtext(capsys): out = run(capsys, "--restructured-text", "-") assert out == get_data("output.rst") def test_json(capsys): out = run(capsys, "--json", "-") assert out == get_data("output.json") def test_no_report_option(capsys): out = run(capsys) assert out == get_data("output.txt") def test_html_option_with_file(tmpdir, capsys): report_path = str(tmpdir.join("report.html")) out = run(capsys, "--html", report_path) assert out == "" with open(report_path, "r", encoding="utf-8") as f: body = extract_body(f.read()) assert body.count('div class="difference"') == 4 @skip_unless_tools_exist("compare", "convert", "sng") def test_html_visuals(tmpdir, capsys): report_path = str(tmpdir.join("report.html")) out = run_images(capsys, "--html", report_path) assert out == "" body = extract_body(open(report_path, "r", encoding="utf-8").read()) assert '