9c84f9e7b0
- catalog.py: declarative per-transponder command sets (name, params, build(args)->bytes, help). Seeds: Type 2 (NTAG/UL: READ, FAST_READ, GET_VERSION, READ_SIG, READ_CNT, WRITE), MIFARE Classic (READ/WRITE/ HALT), ISO 15693 (INVENTORY, READ_BLOCK, WRITE_BLOCK, GET_SYSTEM_INFO). catalog_for(session) resolves by protocol + identified transponder. - app: function-style calls (READ(4) -> build -> raw exchange -> annotated trace); catalog-aware help (`help` lists the current tag's commands, `help READ` shows one). Bad args print usage. 9 new tests (catalog builds, resolver, call dispatch, help). Command knowledge is declarative + hardware-free-testable; the exchange is the user's device test. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
268 lines
9.8 KiB
Python
268 lines
9.8 KiB
Python
"""rawcli Phase 1 — session state, breadcrumb, trace rendering, CLI dispatch. Hardware-free."""
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import re
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from unittest.mock import MagicMock
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import pytest
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from pm3py.cli.main import build_parser, main
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from pm3py.cli.rawcli.session import RawSession
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from pm3py.cli.rawcli.trace_view import render_exchange
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from pm3py.cli.rawcli.parser import parse_token, parse_bytes, parse_line
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from pm3py.cli.rawcli.entry import byte_space
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from pm3py.cli.rawcli.identify import identify, clear, name_14a
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from pm3py.cli.rawcli.catalog import TYPE2, ISO15, catalog_for, catalog_for as _cf
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from pm3py.cli.rawcli.app import dispatch
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_ANSI = re.compile(r"\x1b\[[0-9;]*m")
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def _plain(s: str) -> str:
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return _ANSI.sub("", s)
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class TestBreadcrumb:
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def test_default(self):
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assert RawSession().breadcrumb() == "[raw / 0x]"
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def test_toggle_to_binary(self):
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s = RawSession()
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assert s.toggle_entry_mode() == "bin"
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assert s.entry_prefix == "0b"
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assert s.breadcrumb() == "[raw / 0b]"
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assert s.toggle_entry_mode() == "hex"
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assert s.breadcrumb() == "[raw / 0x]"
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def test_identified_fills_segments(self):
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s = RawSession()
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s.field = "hf"
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s.transponder = "NTAG215"
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assert s.breadcrumb() == "[raw / hf / NTAG215 / 0x]"
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def test_field_only(self):
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s = RawSession()
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s.field = "lf"
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assert s.breadcrumb() == "[raw / lf / 0x]"
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class TestTraceView:
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def test_command_and_response_lines(self):
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out = _plain(render_exchange(bytes([0x30, 0x04]),
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bytes([0x00, 0x01, 0x02, 0x03]),
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protocol="hf14a", is_tty=False))
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assert "Reader → Tag" in out
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assert "Tag → Reader" in out
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assert "30 04" in out # command bytes shown
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def test_command_only_when_no_response(self):
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out = _plain(render_exchange(bytes([0x26]), None, protocol="hf14a", is_tty=False))
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assert "Reader → Tag" in out
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assert "Tag → Reader" not in out
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def test_annotation_present_for_known_command(self):
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# 0x30 = 14a READ; the decoder should annotate it (exact text may vary)
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out = _plain(render_exchange(bytes([0x30, 0x04]), None, protocol="hf14a", is_tty=False))
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assert "READ" in out.upper()
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class TestCliDispatch:
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def test_rawcli_subcommand_parsed(self):
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args = build_parser().parse_args(["rawcli", "--port", "/dev/ttyACM0"])
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assert args.command == "rawcli" and args.port == "/dev/ttyACM0"
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def test_no_command_prints_help(self, capsys):
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rc = main([])
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assert rc == 1
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assert "rawcli" in capsys.readouterr().out
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class TestParser:
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def test_hex_tokens(self):
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assert parse_token("30") == b"\x30"
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assert parse_token("0x3004") == b"\x30\x04"
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assert parse_bytes("30 04") == b"\x30\x04"
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assert parse_bytes("3004") == b"\x30\x04" # default hex mode
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def test_binary_tokens(self):
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assert parse_token("0b00110000") == b"\x30"
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assert parse_token("00110000", "bin") == b"\x30"
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def test_intermixed(self):
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assert parse_bytes("0b00110000 0x04") == b"\x30\x04"
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assert parse_bytes("0x30 00000100", "bin") == b"\x30\x04" # bare token uses mode
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def test_bad_tokens(self):
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with pytest.raises(ValueError):
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parse_token("303") # odd hex
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with pytest.raises(ValueError):
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parse_token("0b0011") # not a whole byte
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def test_classify_control(self):
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c = parse_line("identify")
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assert c.kind == "control" and c.name == "identify"
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assert parse_line("help ntag215").kind == "control"
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def test_classify_call(self):
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c = parse_line("READ(4)")
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assert c.kind == "call" and c.name == "READ" and c.args == ["4"]
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c = parse_line("WRITE(4, 0x00112233)")
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assert c.args == ["4", "0x00112233"]
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assert parse_line("GET_DATA()").kind == "call"
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def test_classify_raw(self):
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c = parse_line("30 04")
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assert c.kind == "raw" and c.payload == b"\x30\x04"
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class TestByteSpace:
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def test_hex_grouping(self):
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assert byte_space("3004", "hex") == "30 04"
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assert byte_space("300", "hex") == "30 0"
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assert byte_space("30 04", "hex") == "30 04" # idempotent
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def test_binary_grouping(self):
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assert byte_space("0011000000000100", "bin") == "00110000 00000100"
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def test_prefixed_left_alone(self):
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assert byte_space("0x3004", "hex") == "0x3004" # explicit prefix not mangled
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class TestDispatch:
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def test_quit_returns_false(self):
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assert dispatch(RawSession(), "quit") is False
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def test_help_prints(self, capsys):
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assert dispatch(RawSession(), "help") is True
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assert "rawcli" in capsys.readouterr().out
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def test_raw_renders_without_device(self, capsys):
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assert dispatch(RawSession(), "30 04") is True
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assert "30 04" in _plain(capsys.readouterr().out)
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def test_bad_hex_reports(self, capsys):
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assert dispatch(RawSession(), "0b0011") is True
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assert "whole number of bytes" in capsys.readouterr().out
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def _mock_device(scan14=None, scan15=None):
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dev = MagicMock()
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dev.hf.iso14a.scan.return_value = scan14 or {"found": False}
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dev.hf.iso15.scan.return_value = scan15 or {"found": False}
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dev.lf.search.return_value = None
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return dev
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class TestIdentify:
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def test_no_device(self):
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s = RawSession()
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r = identify(s)
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assert r["found"] is False and s.field is None
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def test_14a_sets_field_and_name(self):
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s = RawSession(device=_mock_device(
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scan14={"found": True, "sak": 0x08, "uid": b"\x01\x02\x03\x04"}))
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r = identify(s)
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assert r["found"] and s.field == "hf" and s.protocol == "hf14a"
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assert s.transponder == "MIFARE Classic 1K"
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assert r["uid"] == b"\x01\x02\x03\x04"
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def test_15693_fallback(self):
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s = RawSession(device=_mock_device(scan15={"found": True, "uid": b"\xE0\x04"}))
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r = identify(s)
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assert r["found"] and s.field == "hf" and s.protocol == "hf15"
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assert s.transponder == "ISO15693"
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def test_name_unknown_sak(self):
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assert name_14a({"sak": 0x99}) == "ISO14443-A (SAK 99)"
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def test_clear_forgets_tag(self):
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s = RawSession(device=_mock_device(scan14={"found": True, "sak": 0x08}))
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identify(s)
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clear(s)
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assert s.field is None and s.transponder is None and s.protocol == "hf14a"
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class TestControlCommands:
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def test_identify_command(self, capsys):
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s = RawSession(device=_mock_device(
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scan14={"found": True, "sak": 0x00, "uid": b"\x04\x11\x22\x33"}))
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dispatch(s, "identify")
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out = capsys.readouterr().out
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assert "MIFARE UL/NTAG" in out and "04112233" in out
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assert s.breadcrumb() == "[raw / hf / MIFARE UL/NTAG / 0x]"
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def test_transponder_when_none(self, capsys):
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dispatch(RawSession(), "transponder")
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assert "run 'identify'" in capsys.readouterr().out
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def test_close(self, capsys):
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s = RawSession(device=_mock_device(scan14={"found": True, "sak": 0x08}))
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dispatch(s, "identify")
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dispatch(s, "close")
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assert "closed" in capsys.readouterr().out
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assert s.transponder is None
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class TestCatalog:
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def test_type2_builds(self):
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assert TYPE2.get("READ").build("4") == b"\x30\x04"
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assert TYPE2.get("read").build("0x04") == b"\x30\x04" # case + hex arg
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assert TYPE2.get("FAST_READ").build("0", "3") == b"\x3A\x00\x03"
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assert TYPE2.get("GET_VERSION").build() == b"\x60"
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assert TYPE2.get("WRITE").build("4", "01020304") == b"\xA2\x04\x01\x02\x03\x04"
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def test_iso15_builds(self):
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assert ISO15.get("READ_BLOCK").build("4") == b"\x02\x20\x04"
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assert ISO15.get("INVENTORY").build() == b"\x26\x01\x00"
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def test_resolver(self):
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s = RawSession()
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assert catalog_for(s) is None # nothing identified
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s.protocol, s.transponder = "hf14a", "NTAG215"
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assert catalog_for(s) is TYPE2
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s.transponder = "MIFARE Classic 1K"
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assert catalog_for(s).name == "MIFARE Classic"
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s.protocol, s.transponder = "hf15", "ISO15693"
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assert catalog_for(s) is ISO15
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class TestFunctionCalls:
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def _id(self, sak=0x00):
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return RawSession(device=_mock_device(
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scan14={"found": True, "sak": sak, "uid": b"\x04\x01\x02\x03"}))
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def test_call_read_sends_correct_bytes(self, capsys):
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s = self._id()
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dispatch(s, "identify")
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s.device.hf.iso14a.raw.return_value = {"data": b"\xAA\xBB\xCC\xDD"}
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capsys.readouterr()
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dispatch(s, "READ(4)")
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out = _plain(capsys.readouterr().out)
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assert "30 04" in out # the built command hit the trace
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s.device.hf.iso14a.raw.assert_called_with(b"\x30\x04")
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def test_call_without_identify(self, capsys):
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dispatch(RawSession(), "READ(4)")
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assert "identify" in capsys.readouterr().out
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def test_unknown_call(self, capsys):
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s = self._id(); dispatch(s, "identify"); capsys.readouterr()
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dispatch(s, "FLY(4)")
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assert "unknown command" in capsys.readouterr().out
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def test_bad_args_shows_usage(self, capsys):
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s = self._id(); dispatch(s, "identify"); capsys.readouterr()
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dispatch(s, "READ()") # missing page arg
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assert "usage: READ(page)" in capsys.readouterr().out
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def test_help_lists_catalog(self, capsys):
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s = self._id(); dispatch(s, "identify"); capsys.readouterr()
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dispatch(s, "help")
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out = capsys.readouterr().out
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assert "READ(page)" in out and "GET_VERSION" in out
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def test_help_command_detail(self, capsys):
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s = self._id(); dispatch(s, "identify"); capsys.readouterr()
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dispatch(s, "help READ")
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assert "0x30" in capsys.readouterr().out
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