32 lines
1.0 KiB
Julia
32 lines
1.0 KiB
Julia
@testset "Propagator" begin
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println("Testing propagator")
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using Thesis: prop_one
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# Set up
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start_mass = 10_000.
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start = [oe_to_xyz([ (μs["Earth"]*(rand(3600*1.5:0.01:3600*4)/(2π))^2)^(1/3),
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rand(0.01:0.01:0.5),
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rand(0.01:0.01:0.45π),
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0.,
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0.,
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1. ], μs["Earth"]); start_mass]
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stepsize = rand(100.0:0.01:500.0)
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# Test that Laguerre-Conway is the default propagator for spacecrafts
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craft = Sc("no_thrust")
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state = prop_one([0., 0., 0.], start, craft, μs["Earth"], stepsize)
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@test laguerre_conway(start, μs["Earth"], stepsize) ≈ state[1:6]
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@test state[7] == start_mass
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# Test that mass is reduced properly
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craft = Sc("test")
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state = prop_one([1., 0., 0.], start, craft, μs["Earth"], stepsize)
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@test state[7] == start_mass - craft.mass_flow_rate*stepsize
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# Test that a bad ΔV throws an error
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@test_throws ErrorException prop_one([1.5, 0., 0.], start, craft, μs["Earth"], stepsize)
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end
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