def test_main_plot_to_file(monkeypatch, capsys, tmpdir):
tmpdir = Path(tmpdir)
pngfile = tmpdir / "test.png"
monkeypatch.setattr(sys, "argv",
["oeis", "A000290", "--file",
str(pngfile)])
oeis.main()
assert pngfile.exists()
def test_main(monkeypatch, capsys):
monkeypatch.setattr(sys, "argv", ["oeis"])
with pytest.raises(SystemExit):
oeis.main()
captured = capsys.readouterr()
assert "--help" in captured.err
def test_main_start_out_of_bound_due_to_offset(monkeypatch, capsys):
monkeypatch.setattr(sys, "argv", ["oeis", "A001462", "--start", "0"])
with pytest.raises(SystemExit):
oeis.main()
assert "offset" in capsys.readouterr().err
def test_main_random(monkeypatch, capsys):
monkeypatch.setattr(sys, "argv", ["oeis", "--random"])
oeis.main()
captured = capsys.readouterr()
assert "A" in captured.out
def test_main_list(monkeypatch, capsys):
monkeypatch.setattr(sys, "argv", ["oeis", "--list"])
oeis.main()
captured = capsys.readouterr()
assert "A00" in captured.out
def test_main_unimplemented(monkeypatch, capsys):
monkeypatch.setattr(sys, "argv", ["oeis", "APOUETTE"])
with pytest.raises(SystemExit):
oeis.main()
captured = capsys.readouterr()
assert "Unimplemented" in captured.err