41 lines
1.1 KiB
Elixir
41 lines
1.1 KiB
Elixir
defmodule Microwaveprop.Rover.ElevationTest do
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use ExUnit.Case, async: false
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alias Microwaveprop.Rover.Elevation
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setup do
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tmp = Path.join(System.tmp_dir!(), "rover_elev_#{System.unique_integer([:positive])}")
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File.mkdir_p!(tmp)
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prev = Application.get_env(:microwaveprop, :srtm_tiles_dir)
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Application.put_env(:microwaveprop, :srtm_tiles_dir, tmp)
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on_exit(fn ->
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File.rm_rf!(tmp)
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if prev do
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Application.put_env(:microwaveprop, :srtm_tiles_dir, prev)
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else
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Application.delete_env(:microwaveprop, :srtm_tiles_dir)
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end
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end)
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:ok
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end
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describe "lookup_many/1" do
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test "returns map keyed by {lat, lon}, nil values when no tiles available" do
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points = [{33.0, -96.0}, {30.0, -97.0}]
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result = Elevation.lookup_many(points)
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assert is_map(result)
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assert Map.has_key?(result, {33.0, -96.0})
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assert Map.has_key?(result, {30.0, -97.0})
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assert result[{33.0, -96.0}] == nil
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assert result[{30.0, -97.0}] == nil
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end
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test "empty list returns empty map" do
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assert Elevation.lookup_many([]) == %{}
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end
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end
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end
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