test all of LoopStateMachine

Author: asinghvi17

src/utils/LoopStateMachine/LoopStateMachine.jl

@@ -52,15 +52,16 @@ struct Action{T}
 end
 
 Action() = Action{Nothing}(:unnamed, nothing)
-Action(x::T) where T = Action{:unnamed, T}(:unnamed, x)
+Action(x::T) where T = Action{T}(:unnamed, x)
 Action(x::Symbol) = Action(x, nothing)
 
 function Base.show(io::IO, action::Action{T}) where T
-    print(io, "Action ", action.name)
+    print(io, "Action")
+    print(io, "(:$(action.name)")
     if isnothing(action.x)
-        print(io, "()")
+        print(io, ")")
     else
-        print(io, "(", action.x, ")")
+        print(io, ", ",action.x, ")")
     end
 end
 

test/utils/LoopStateMachine.jl

@@ -59,3 +59,17 @@ end
     end
     @test results == [2, 4, 6]
 end
+
+@testset "Show" begin
+    @test sprint(print, Action(:continue)) == "Action(:continue)"
+    @test sprint(print, Action(:break)) == "Action(:break)"
+    @test sprint(print, Action(:return, 1)) == "Action(:return, 1)"
+    @test sprint(print, Action(:full_return, 1)) == "Action(:full_return, 1)"
+end
+
+@testset "Unnamed action" begin
+    @test sprint(print, Action()) == "Action(:unnamed)"
+    @test sprint(print, Action(1)) == "Action(:unnamed, 1)"
+    @test sprint(print, Action(:x)) == "Action(:x)"
+end
+