Add tests

Author: ReubenJ

Project.toml

@@ -13,10 +13,12 @@ HerbSearch = "3008d8e8-f9aa-438a-92ed-26e9c7b4829f"
 MetaGraphsNext = "fa8bd995-216d-47f1-8a91-f3b68fbeb377"
 Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
 SoleLogics = "b002da8f-3cb3-4d91-bbe3-2953433912b5"
+Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 
 [compat]
 DynamicalSystems = "3"
 FileIO = "1"
 MetaGraphsNext = "0.7"
 SoleLogics = "0.9, 0.10"
+Statistics = "1.11.1"
 julia = "1.6"

src/qualitative_networks.jl

@@ -23,7 +23,7 @@ const default_qn_constants = [2]
 
 function build_qn_grammar(
     entity_names::AbstractVector{Symbol},
-    constants::AbstractVector{Int},
+    constants::AbstractVector{<:Integer},
 )
     g = deepcopy(base_qn_grammar)
 

test/test-qn.jl

@@ -7,6 +7,11 @@ using Graphs: ne, nv
 
     @test issubset(Set(entities), Set(g.rules))
     @test issubset(Set(constants), Set(g.rules))
+
+    g2 = QualitativeNetworks.build_qn_grammar(Symbol[], Integer[])
+
+    @test isempty(setdiff(Set(g2.rules), Set(entities)))
+    @test isempty(setdiff(Set(g2.rules), Set(constants)))
 end
 
 @testset "QN Sampling" begin