Initializare dupa curatare folder

tests/test_cli.py

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