76 lines
2.6 KiB
Elixir
76 lines
2.6 KiB
Elixir
defmodule Aprsme.PacketsOldestTest do
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use Aprsme.DataCase
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alias Aprsme.Packets
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alias Aprsme.Repo
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describe "get_oldest_packet_timestamp/0" do
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test "returns nil when no packets exist" do
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assert is_nil(Packets.get_oldest_packet_timestamp())
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end
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test "returns the timestamp of the oldest packet" do
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# Create packets with different timestamps relative to now
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now = DateTime.utc_now()
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# 1 year ago
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oldest_time = DateTime.add(now, -365 * 24 * 60 * 60, :second)
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# 6 months ago
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middle_time = DateTime.add(now, -180 * 24 * 60 * 60, :second)
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# 1 month ago
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newest_time = DateTime.add(now, -30 * 24 * 60 * 60, :second)
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# Insert packets with different timestamps
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{:ok, _} = create_test_packet("OLD-1", oldest_time)
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{:ok, _} = create_test_packet("MID-1", middle_time)
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{:ok, _} = create_test_packet("NEW-1", newest_time)
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# Should return the oldest timestamp
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result = Packets.get_oldest_packet_timestamp()
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# Allow for small time differences due to database precision (±1 second)
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assert abs(DateTime.diff(result, oldest_time, :second)) <= 1
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end
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test "handles packets with microsecond precision" do
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# Create a packet with microsecond precision using current time
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now = DateTime.utc_now()
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# Truncate to microseconds to match database precision
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timestamp_with_microseconds = DateTime.truncate(now, :microsecond)
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{:ok, _} = create_test_packet("TEST-1", timestamp_with_microseconds)
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result = Packets.get_oldest_packet_timestamp()
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# Database might truncate microseconds, so we check the timestamp is close
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assert DateTime.diff(result, timestamp_with_microseconds, :microsecond) < 1000
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end
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end
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# Helper function to create a test packet with specific timestamp
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defp create_test_packet(callsign, received_at) do
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# Extract SSID from callsign (e.g., "TEST-1" -> ssid = "1")
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{base_callsign, ssid} =
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case String.split(callsign, "-", parts: 2) do
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[base] -> {base, "0"}
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[base, ssid_part] -> {base, ssid_part}
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end
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packet_data = %{
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sender: callsign,
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base_callsign: base_callsign,
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ssid: ssid,
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destination: "APRS",
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data_type: "position",
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path: "WIDE1-1",
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information_field: "!3216.46N/09647.82W>Test packet",
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raw_packet: "#{callsign}>APRS,WIDE1-1:!3216.46N/09647.82W>Test packet",
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lat: 32.274333,
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lon: -96.797,
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has_position: true,
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received_at: received_at
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}
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%Aprsme.Packet{}
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|> Aprsme.Packet.changeset(packet_data)
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|> Repo.insert()
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end
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end
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