aprs.me/test/aprsme/packet_replay_test.exs

417 lines
12 KiB
Elixir

defmodule Aprsme.PacketReplayTest do
use Aprsme.DataCase, async: false
alias Aprsme.PacketReplay
setup do
start_supervised!({Registry, keys: :unique, name: Aprsme.ReplayRegistry})
:ok
end
describe "start_replay/1" do
test "raises error when bounds are missing" do
user_id = "test_user"
opts = [user_id: user_id]
assert_raise ArgumentError, "Map bounds are required for packet replay", fn ->
PacketReplay.start_replay(opts)
end
end
test "fails when user_id is missing" do
bounds = [-74.0, 40.0, -73.0, 41.0]
opts = [bounds: bounds]
assert_raise KeyError, fn ->
PacketReplay.start_replay(opts)
end
end
end
describe "stop_replay/1" do
test "returns error when no replay session exists" do
assert {:error, :not_found} = PacketReplay.stop_replay("nonexistent_user")
end
end
describe "set_replay_speed/2" do
test "validates speed is positive number" do
user_id = "test_user"
# These should raise function clause errors
assert_raise FunctionClauseError, fn ->
PacketReplay.set_replay_speed(user_id, 0)
end
assert_raise FunctionClauseError, fn ->
PacketReplay.set_replay_speed(user_id, -1.0)
end
assert_raise FunctionClauseError, fn ->
PacketReplay.set_replay_speed(user_id, "invalid")
end
end
end
describe "update_filters/2" do
test "validates filters must be a list" do
user_id = "test_user"
assert_raise FunctionClauseError, fn ->
PacketReplay.update_filters(user_id, %{callsign: "N0CALL"})
end
end
end
describe "init/1" do
test "initializes with default values" do
user_id = "test_user"
bounds = [-74.0, 40.0, -73.0, 41.0]
opts = [user_id: user_id, bounds: bounds]
assert {:ok, state} = PacketReplay.init(opts)
assert state.user_id == user_id
assert state.bounds == bounds
assert state.replay_speed == 5.0
assert state.limit == 5000
assert state.with_position == true
assert state.paused == false
assert state.packets_sent == 0
assert is_nil(state.callsign)
assert is_nil(state.region)
assert is_nil(state.replay_timer)
assert is_nil(state.last_packet_time)
assert %DateTime{} = state.start_time
assert %DateTime{} = state.end_time
assert %DateTime{} = state.replay_started_at
end
test "respects custom options" do
user_id = "test_user"
bounds = [-74.0, 40.0, -73.0, 41.0]
start_time = DateTime.add(DateTime.utc_now(), -1800, :second)
end_time = DateTime.utc_now()
opts = [
user_id: user_id,
bounds: bounds,
callsign: "N0CALL",
start_time: start_time,
end_time: end_time,
replay_speed: 2.0,
limit: 1000,
with_position: false
]
assert {:ok, state} = PacketReplay.init(opts)
assert state.callsign == "N0CALL"
assert state.start_time == start_time
assert state.end_time == end_time
assert state.replay_speed == 2.0
assert state.limit == 1000
assert state.with_position == false
end
test "limits start_time to 1 hour ago maximum" do
user_id = "test_user"
bounds = [-74.0, 40.0, -73.0, 41.0]
old_start_time = DateTime.add(DateTime.utc_now(), -7200, :second)
opts = [
user_id: user_id,
bounds: bounds,
start_time: old_start_time
]
assert {:ok, state} = PacketReplay.init(opts)
one_hour_ago = DateTime.add(DateTime.utc_now(), -3600, :second)
assert DateTime.diff(state.start_time, one_hour_ago, :second) >= -10
end
test "sets replay topic correctly" do
user_id = "test_user"
bounds = [-74.0, 40.0, -73.0, 41.0]
opts = [user_id: user_id, bounds: bounds]
assert {:ok, state} = PacketReplay.init(opts)
assert state.replay_topic == "replay:#{user_id}"
end
end
describe "module constants and specs" do
test "has correct topic constant" do
assert Code.ensure_loaded?(PacketReplay)
end
test "has correct typespec for init" do
result = PacketReplay.init(user_id: "test", bounds: [0, 0, 1, 1])
assert {:ok, _state} = result
result2 = PacketReplay.init(user_id: "test", bounds: [0, 0, 1, 1], replay_speed: 2.0)
assert {:ok, _state} = result2
end
end
describe "handle_call/3" do
setup do
# Flush any messages lingering from init send_self.
{:ok, state} = PacketReplay.init(user_id: "caller", bounds: [0, 0, 1, 1])
receive do
:start_replay -> :ok
after
0 -> :ok
end
{:ok, state: state}
end
test "pause cancels any pending timer and marks state paused", %{state: state} do
timer_ref = Process.send_after(self(), :noop, 60_000)
state = %{state | replay_timer: timer_ref}
assert {:reply, :ok, new_state} = PacketReplay.handle_call(:pause, self(), state)
assert new_state.paused
assert is_nil(new_state.replay_timer)
end
test "resume from paused sends continue message and flips flag", %{state: state} do
state = %{state | paused: true}
assert {:reply, :ok, new_state} = PacketReplay.handle_call(:resume, self(), state)
refute new_state.paused
assert_received {:continue_replay}
end
test "resume when already running is a no-op", %{state: state} do
assert {:reply, :ok, ^state} = PacketReplay.handle_call(:resume, self(), state)
end
test "set_speed updates the replay speed", %{state: state} do
assert {:reply, :ok, %{replay_speed: 7.5}} =
PacketReplay.handle_call({:set_speed, 7.5}, self(), state)
end
test "update_filters merges new keys into state", %{state: state} do
filters = [callsign: "K1ABC", replay_speed: 3.0]
assert {:reply, :ok, new_state} =
PacketReplay.handle_call({:update_filters, filters}, self(), state)
assert new_state.callsign == "K1ABC"
assert new_state.replay_speed == 3.0
assert new_state.packets_sent == 0
end
test "update_filters rejects invalid bounds and keeps the old bounds", %{state: state} do
filters = [bounds: "not a list"]
assert {:reply, :ok, new_state} =
PacketReplay.handle_call({:update_filters, filters}, self(), state)
# Should have reverted to the original bounds.
assert new_state.bounds == state.bounds
end
test "get_info returns a public view of state", %{state: state} do
assert {:reply, info, ^state} = PacketReplay.handle_call(:get_info, self(), state)
assert info.user_id == "caller"
assert info.bounds == [0, 0, 1, 1]
assert info.paused == false
assert info.packets_sent == 0
end
end
describe "handle_info/2 paused path" do
test "pause-time :send_packet reschedules via timer rather than broadcasting" do
{:ok, state} = PacketReplay.init(user_id: "paused", bounds: [0, 0, 1, 1])
receive do
:start_replay -> :ok
after
0 -> :ok
end
state = %{state | paused: true}
packet = %{received_at: DateTime.utc_now()}
stream = Stream.repeatedly(fn -> {0.0, packet} end)
assert {:noreply, new_state} =
PacketReplay.handle_info({:send_packet, packet, stream}, state)
# A new timer ref should be set for rescheduling.
assert is_reference(new_state.replay_timer)
Process.cancel_timer(new_state.replay_timer)
end
end
describe "terminate/2" do
test "cancels pending timer and returns :ok" do
{:ok, state} = PacketReplay.init(user_id: "terminated", bounds: [0, 0, 1, 1])
receive do
:start_replay -> :ok
after
0 -> :ok
end
timer_ref = Process.send_after(self(), :noop, 60_000)
state = %{state | replay_timer: timer_ref}
assert :ok = PacketReplay.terminate(:shutdown, state)
# Timer should have been cancelled.
assert Process.read_timer(timer_ref) == false
end
test "terminate is idempotent with no pending timer" do
{:ok, state} = PacketReplay.init(user_id: "noterm", bounds: [0, 0, 1, 1])
receive do
:start_replay -> :ok
after
0 -> :ok
end
assert :ok = PacketReplay.terminate(:normal, state)
end
end
describe "handle_call/3 extra branches" do
setup do
{:ok, state} = PacketReplay.init(user_id: "extra", bounds: [0, 0, 1, 1])
receive do
:start_replay -> :ok
after
0 -> :ok
end
{:ok, state: state}
end
test "pause with no active timer flips paused flag", %{state: state} do
state = %{state | replay_timer: nil}
assert {:reply, :ok, new_state} = PacketReplay.handle_call(:pause, self(), state)
assert new_state.paused
assert is_nil(new_state.replay_timer)
end
test "update_filters accepts valid bounds format", %{state: state} do
filters = [bounds: [-74.0, 40.0, -73.0, 41.0]]
assert {:reply, :ok, new_state} =
PacketReplay.handle_call({:update_filters, filters}, self(), state)
assert new_state.bounds == [-74.0, 40.0, -73.0, 41.0]
end
test "update_filters with nil bounds keeps existing", %{state: state} do
filters = [bounds: nil]
assert {:reply, :ok, new_state} =
PacketReplay.handle_call({:update_filters, filters}, self(), state)
# nil bounds → filter branch keeps the old bounds via state.bounds.
# After Map.put, new_state.bounds is nil, then the guard checks
# is_nil(bounds) and keeps new_state as-is (so bounds stays nil).
assert is_nil(new_state.bounds) or new_state.bounds == state.bounds
end
test "update_filters cancels an active timer", %{state: state} do
timer = Process.send_after(self(), :noop, 60_000)
state = %{state | replay_timer: timer}
assert {:reply, :ok, new_state} =
PacketReplay.handle_call({:update_filters, [callsign: "X"]}, self(), state)
# Timer should be gone from state and cancelled.
assert is_nil(new_state.replay_timer)
end
end
describe "handle_info({:send_packet, packet, stream}) active path" do
test "broadcasts a packet, increments counter, and stops when stream is empty" do
{:ok, state} = PacketReplay.init(user_id: "send_empty", bounds: [0, 0, 1, 1])
receive do
:start_replay -> :ok
after
0 -> :ok
end
packet = %Aprsme.Packet{
sender: "SENDPKT1",
base_callsign: "SENDPKT1",
ssid: "0",
received_at: DateTime.utc_now(),
has_position: true
}
empty_stream = Stream.unfold(nil, fn _ -> nil end)
assert {:stop, :normal, new_state} =
PacketReplay.handle_info({:send_packet, packet, empty_stream}, state)
assert new_state.packets_sent == 1
end
test "broadcasts and schedules next when stream has more packets" do
{:ok, state} = PacketReplay.init(user_id: "send_more", bounds: [0, 0, 1, 1])
receive do
:start_replay -> :ok
after
0 -> :ok
end
packet = %Aprsme.Packet{
sender: "SENDPKT2",
base_callsign: "SENDPKT2",
ssid: "0",
received_at: DateTime.utc_now(),
has_position: true
}
next_packet = %Aprsme.Packet{
sender: "NEXT",
base_callsign: "NEXT",
ssid: "0",
received_at: DateTime.add(DateTime.utc_now(), 1, :second),
has_position: true
}
# Simple stream: one element, then done.
stream =
Stream.unfold([{0.0, next_packet}], fn
[h | t] -> {h, t}
[] -> nil
end)
assert {:noreply, new_state} =
PacketReplay.handle_info({:send_packet, packet, stream}, state)
assert new_state.packets_sent == 1
assert is_reference(new_state.replay_timer)
Process.cancel_timer(new_state.replay_timer)
end
end
describe "handle_info(:start_replay, ...)" do
test "broadcasts replay_started then stops when no matching packets" do
{:ok, state} = PacketReplay.init(user_id: "empty_stream", bounds: [0, 0, 1, 1])
receive do
:start_replay -> :ok
after
0 -> :ok
end
# With no seeded packets in the DB, stream_packets_for_replay returns an
# empty stream and handle_info :start_replay should stop the server.
assert {:stop, :normal, _state} = PacketReplay.handle_info(:start_replay, state)
end
end
end