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intercept/tests/test_rtl_fm_modulation.py
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James Smith 96172ca593 style: apply ruff-format to entire codebase
First-time run of ruff-format via pre-commit hook normalises quote
style, trailing commas, and whitespace across 188 Python files.
No logic changes.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-07-05 14:48:11 +01:00

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Python

"""Tests for rtl_fm modulation token mapping."""
from routes.listening_post import _rtl_fm_demod_mode as listening_post_rtl_mode
from utils.sdr.base import SDRDevice, SDRType
from utils.sdr.rtlsdr import RTLSDRCommandBuilder
from utils.sdr.rtlsdr import _rtl_fm_demod_mode as builder_rtl_mode
def _dummy_rtlsdr_device() -> SDRDevice:
return SDRDevice(
sdr_type=SDRType.RTL_SDR,
index=0,
name="RTL-SDR",
serial="00000001",
driver="rtlsdr",
capabilities=RTLSDRCommandBuilder.CAPABILITIES,
)
def test_rtl_fm_modulation_maps_wfm_to_wbfm() -> None:
assert listening_post_rtl_mode("wfm") == "wbfm"
assert builder_rtl_mode("wfm") == "wbfm"
def test_rtl_fm_modulation_keeps_other_modes() -> None:
assert listening_post_rtl_mode("fm") == "fm"
assert builder_rtl_mode("am") == "am"
def test_rtlsdr_builder_uses_wbfm_token_for_wfm() -> None:
builder = RTLSDRCommandBuilder()
cmd = builder.build_fm_demod_command(
device=_dummy_rtlsdr_device(),
frequency_mhz=98.1,
modulation="wfm",
)
mode_index = cmd.index("-M")
assert cmd[mode_index + 1] == "wbfm"