add test_envinterface

Author: jbrea

src/ReinforcementLearningBase.jl

@@ -2,5 +2,6 @@ module ReinforcementLearningBase
 
 include("spaces/space.jl")
 include("abstractenv.jl")
+include("tests.jl")
 
 end # module

src/tests.jl

@@ -0,0 +1,16 @@
+function test_envinterface(env)
+    @eval Main begin
+        @testset "$(typeof($env)) interface test" begin
+            res = reset!($env)
+            @test typeof(res) == NamedTuple{(:observation,), 
+                                            Tuple{typeof(res[:observation])}}
+            res = interact!($env, sample(actionspace($env)))
+            @test typeof(res) == NamedTuple{(:observation, :reward, :isdone), 
+                                            Tuple{typeof(res[:observation]), 
+                                                  typeof(res[:reward]), Bool}}
+            res = getstate($env)
+            @test typeof(res) == NamedTuple{(:observation, :isdone), 
+                                            Tuple{typeof(res[:observation]), Bool}}
+        end
+    end
+end