94 lines
2.8 KiB
Python
94 lines
2.8 KiB
Python
"""CLI behaviour: exit codes, output modes and argument handling."""
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import json
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import pytest
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from rdm_card_reader import cli
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def test_list_ports_exits_zero(capsys):
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assert cli.main(["--list-ports"]) == cli.EXIT_OK
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out = capsys.readouterr().out
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assert "/dev/ttyS0" in out
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def test_demo_exits_zero(capsys):
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assert cli.main(["--demo", "--demo-count", "1"]) == cli.EXIT_OK
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assert "CARD INSERTED" in capsys.readouterr().out
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def test_demo_json_emits_one_object_per_event(capsys):
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cli.main(["--demo", "--demo-count", "1", "--json"])
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lines = [line for line in capsys.readouterr().out.splitlines() if line.strip()]
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events = [json.loads(line) for line in lines if line.startswith("{")]
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assert events
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assert {"event", "timestamp", "id", "hex"} <= set(events[0])
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def test_demo_count_is_respected(capsys):
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cli.main(["--demo", "--demo-count", "4"])
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assert capsys.readouterr().out.count("CARD INSERTED") >= 1
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def test_missing_library_exits_two(monkeypatch, capsys):
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monkeypatch.setattr(cli, "available", lambda: False)
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assert cli.main([]) == cli.EXIT_NO_LIBRARY
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assert "rdm6300" in capsys.readouterr().err
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def test_no_port_available_exits_one(monkeypatch, capsys):
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monkeypatch.setattr(cli, "available", lambda: True)
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monkeypatch.setattr(cli, "open_reader", lambda *a, **kw: None)
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assert cli.main(["--port", "/dev/nope"]) == cli.EXIT_NO_PORT
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assert "Could not open any serial port" in capsys.readouterr().err
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def test_explicit_port_is_the_only_one_tried(monkeypatch):
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monkeypatch.setattr(cli, "available", lambda: True)
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tried = []
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def fake_open(callback, ports=None, **kwargs):
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tried.extend(ports or [])
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return None
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monkeypatch.setattr(cli, "open_reader", fake_open)
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cli.main(["--port", "/dev/ttyUSB0"])
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assert tried == ["/dev/ttyUSB0"]
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def test_keyboard_interrupt_is_handled(monkeypatch, capsys):
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monkeypatch.setattr(cli, "available", lambda: True)
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class Reader:
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port = "/dev/ttyS0"
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def start(self):
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raise KeyboardInterrupt
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def close(self):
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self.closed = True
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reader = Reader()
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monkeypatch.setattr(cli, "open_reader", lambda *a, **kw: reader)
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assert cli.main([]) == cli.EXIT_OK
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assert reader.closed is True
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assert "Stopped by user" in capsys.readouterr().out
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def test_version_flag_exits_zero(capsys):
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with pytest.raises(SystemExit) as exc:
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cli.main(["--version"])
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assert exc.value.code == 0
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assert "rdm-card-reader" in capsys.readouterr().out
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def test_json_mode_prints_json_from_the_callback(capsys):
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printer = cli._make_printer(as_json=True)
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from rdm_card_reader.card import CardEvent
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printer(CardEvent("card_inserted", "-", 1, 2, 15, True, "p"))
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payload = json.loads(capsys.readouterr().out.strip())
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assert payload["id"] == 1
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