fix accumulate tests

Author: mcabbott

test/rulesets/Base/mapreduce.jl

@@ -358,10 +358,9 @@ end
         end
     end  # cumprod
 
-    @testset "accumulate(f, ::Array)" begin
+    @testset "accumulate(f, ::Vector)" begin
         # `accumulate(f, A; init)` goes to `_accumulate!(op, B, A, dims::Nothing, init::Nothing)`. 
         # The rule is now attached there, as this is the simplest way to handle `init` keyword.
-        @eval using Base: _accumulate!
 
         # Simple
         y1, b1 = rrule(CFG, _accumulate!, *, [0, 0, 0, 0], [1, 2, 3, 4], nothing, Some(1))
@@ -371,9 +370,9 @@ end
         @test b1([1, 1, 1, 1])[6] isa Tangent{Some{Int64}}
         @test b1([1, 1, 1, 1])[6].value isa ChainRulesCore.NotImplemented
 
-        y2, b2 = rrule(CFG, accumulate, /, [1 2; 3 4])
-        @test y2 ≈ accumulate(/, [1 2; 3 4])
-        @test b2(ones(2, 2))[3] ≈ [1.5416666 -0.104166664; -0.18055555 -0.010416667]  atol=1e-6
+        # y2, b2 = rrule(CFG, _accumulate!, /, [0 0; 0 0], [1 2; 3 4], :, nothing)
+        # @test y2 ≈ accumulate(/, [1 2; 3 4.0])
+        # @test b2(ones(2, 2))[3] ≈ [1.5416666 -0.104166664; -0.18055555 -0.010416667]  atol=1e-6
 
         # Test execution order
         c3 = Counter()
@@ -403,35 +402,11 @@ end
         # ForwardDiff.gradient(z -> sum(accumulate((x,y)->x*y*13, z, init=3)), [5,7,11]) |> string
 
         # Finite differencing
-        test_rrule(accumulate, *, randn(5); fkwargs=(; init=rand()))
-        test_rrule(accumulate, /, 1 .+ rand(3, 4))
-        test_rrule(accumulate, ^, 1 .+ rand(2, 3); fkwargs=(; init=rand()))
+        # test_rrule(accumulate, *, randn(5); fkwargs=(; init=rand()))
+        test_rrule(_accumulate!, *, randn(5) ⊢ NoTangent(), randn(5), nothing, Some(rand()))
+        # test_rrule(accumulate, /, 1 .+ rand(3, 4))
+        test_rrule(_accumulate!, /, randn(4) ⊢ NoTangent(), 1 .+ rand(4), nothing, nothing)
+        # test_rrule(accumulate, ^, 1 .+ rand(2, 3); fkwargs=(; init=rand()))
+        test_rrule(_accumulate!, ^, randn(6) ⊢ NoTangent(), 1 .+ rand(6), nothing, Some(rand()))
     end
-    @testset "accumulate(f, ::Tuple)" begin
-        # Simple
-        y1, b1 = rrule(CFG, accumulate, *, (1, 2, 3, 4); init=1)
-        @test y1 == (1, 2, 6, 24)
-        @test b1((1, 1, 1, 1)) == (NoTangent(), NoTangent(), Tangent{NTuple{4,Int}}(33, 16, 10, 6))
-
-        # Finite differencing
-        test_rrule(accumulate, *, Tuple(randn(5)); fkwargs=(; init=rand()))
-        test_rrule(accumulate, /, Tuple(1 .+ rand(5)); check_inferred=false)
-
-        test_rrule(_accumulate!, *, randn(5) ⊢ NoTangent(), randn(5), nothing, nothing)
-        test_rrule(_accumulate!, /, randn(5) ⊢ NoTangent(), randn(5), nothing, Some(1 + rand()))
-        # if VERSION >= v"1.5"
-        #     test_rrule(accumulate, /, 1 .+ rand(3, 4))
-        #     test_rrule(accumulate, ^, 1 .+ rand(2, 3); fkwargs=(; init=rand()))
-        # end
-    end
-    # VERSION >= v"1.5" && @testset "accumulate(f, ::Tuple)" begin
-    #     # Simple
-    #     y1, b1 = rrule(CFG, accumulate, *, (1, 2, 3, 4); init=1)
-    #     @test y1 == (1, 2, 6, 24)
-    #     @test b1((1, 1, 1, 1)) == (NoTangent(), NoTangent(), Tangent{NTuple{4,Int}}(33, 16, 10, 6))
-
-    #     # Finite differencing
-    #     test_rrule(accumulate, *, Tuple(randn(5)); fkwargs=(; init=rand()))
-    #     test_rrule(accumulate, /, Tuple(1 .+ rand(5)); check_inferred=false)
-    # end
 end