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Test symbolic jump affects through public API #1509

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ChrisRackauckas merged 1 commit into from
Jul 21, 2026
+3 −7
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Test symbolic jump affects through public API #1509

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10 changes: 3 additions & 7 deletions test/reactionsystem_core/symbolic_stoichiometry.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,6 @@

# Fetch packages.
using Catalyst, JumpProcesses, OrdinaryDiffEq, StochasticDiffEq, Statistics, Test
using Symbolics: unwrap
import SymbolicIndexingInterface as SII

# Mock integrator type for testing generated VRJ affect functions.
Expand Down Expand Up @@ -218,7 +217,7 @@ let
rs = @reaction_network begin
@parameters k
@variables V(t)
k, X --> V*Y
k, X --> V * Y
end

# The jump System should have explicit affects (no equations after mtkcompile)
Expand All @@ -231,11 +230,8 @@ let
@test occursin("Pre(V(t))", affect_str)

# Verify it creates an explicit affect (empty equations after mtkcompile)
iv = unwrap(t)
aff = ModelingToolkitBase.AffectSystem(js[1].affect!; iv)
affsys = ModelingToolkitBase.system(aff)
eqs = ModelingToolkitBase.equations(ModelingToolkitBase.unhack_system(affsys))
@test isempty(eqs) # Should be explicit, not implicit
compiled_jsys = ModelingToolkitBase.mtkcompile(jsys)
@test isempty(ModelingToolkitBase.equations(compiled_jsys))
end

# Tests symbolic stoichiometries in simulations.
Expand Down
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