Graham McIntire
f93f5c9a57
The US 9cm amateur allocation was cut from 3300-3500 to 3300-3450 MHz in 2020, so 3456 (the legacy weak-signal calling frequency) is no longer in-band. Move the canonical key to 3400, migrate existing contacts, and keep 3456 input resolving to 3400 via the nearest-band snap so historical ADIF/CSV logs still import cleanly.
53 lines
1.9 KiB
Elixir
53 lines
1.9 KiB
Elixir
defmodule Microwaveprop.Radio.BandResolverTest do
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use ExUnit.Case, async: true
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alias Microwaveprop.Radio.BandResolver
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describe "resolve/1" do
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test "resolves wavelength labels" do
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assert BandResolver.resolve("6m") == 50
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assert BandResolver.resolve("2m") == 144
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assert BandResolver.resolve("1.25m") == 222
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assert BandResolver.resolve("70cm") == 432
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assert BandResolver.resolve("9cm") == 3_400
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assert BandResolver.resolve("3cm") == 10_000
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end
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test "resolves canonical values through passthrough" do
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for band <- BandResolver.allowed_bands() do
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assert BandResolver.resolve(band) == band
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assert BandResolver.resolve(Integer.to_string(band)) == band
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end
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end
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test "resolves the legacy 3456 MHz calling frequency to the current 9cm band" do
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# 9cm was cut from 3300-3500 to 3300-3450 MHz in 2020, so the old
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# weak-signal calling frequency 3456 is no longer in the allocation
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# but historical logs still carry it.
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assert BandResolver.resolve("3456") == 3_400
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assert BandResolver.resolve(3456) == 3_400
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assert BandResolver.resolve(3456.1) == 3_400
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end
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test "snaps near-band frequencies to amateur allocations" do
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assert BandResolver.resolve("50.125") == 50
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assert BandResolver.resolve("144.200") == 144
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assert BandResolver.resolve("222.100") == 222
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assert BandResolver.resolve("432.100") == 432
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assert BandResolver.resolve("10368.100") == 10_000
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end
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test "returns nil for HF and gaps between amateur bands" do
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assert BandResolver.resolve("14.200") == nil
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assert BandResolver.resolve("28.400") == nil
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assert BandResolver.resolve("500") == nil
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assert BandResolver.resolve("800") == nil
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end
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test "returns nil for unparseable input" do
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assert BandResolver.resolve(nil) == nil
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assert BandResolver.resolve("") == nil
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assert BandResolver.resolve("banana") == nil
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end
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end
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end
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