[NDTensors] Remove ITensors dependency from tests (#1553)

* [NDTensors] Remove `ITensors` dependency from tests

* [NDTensors] Bump to v0.3.47

* [ITensors] Move NDTensorsMappedArraysExt test to ITensors testsuite

* [ITensors] Bump to v0.6.23

Author: mtfishman

NDTensors/Project.toml

@@ -1,7 +1,7 @@
 name = "NDTensors"
 uuid = "23ae76d9-e61a-49c4-8f12-3f1a16adf9cf"
 authors = ["Matthew Fishman <[email protected]>"]
-version = "0.3.46"
+version = "0.3.47"
 
 [deps]
 Accessors = "7d9f7c33-5ae7-4f3b-8dc6-eff91059b697"

NDTensors/test/ITensors/Project.toml

@@ -7,7 +7,6 @@ Dictionaries = "85a47980-9c8c-11e8-2b9f-f7ca1fa99fb4"
 EllipsisNotation = "da5c29d0-fa7d-589e-88eb-ea29b0a81949"
 FillArrays = "1a297f60-69ca-5386-bcde-b61e274b549b"
 GPUArraysCore = "46192b85-c4d5-4398-a991-12ede77f4527"
-ITensors = "9136182c-28ba-11e9-034c-db9fb085ebd5"
 JLArrays = "27aeb0d3-9eb9-45fb-866b-73c2ecf80fcb"
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 MappedArrays = "dbb5928d-eab1-5f90-85c2-b9b0edb7c900"
@@ -23,12 +22,12 @@ Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 Zygote = "e88e6eb3-aa80-5325-afca-941959d7151f"
 
 [compat]
-cuTENSOR = "2.0"
 Metal = "1.1.0"
+cuTENSOR = "2.0"
 
 [extras]
 AMDGPU = "21141c5a-9bdb-4563-92ae-f87d6854732e"
 CUDA = "052768ef-5323-5732-b1bb-66c8b64840ba"
-cuTENSOR = "011b41b2-24ef-40a8-b3eb-fa098493e9e1"
 Metal = "dde4c033-4e86-420c-a63e-0dd931031962"
 TBLIS = "48530278-0828-4a49-9772-0f3830dfa1e9"
+cuTENSOR = "011b41b2-24ef-40a8-b3eb-fa098493e9e1"

NDTensors/test/ITensors/TestITensorDMRG/Project.toml

@@ -7,7 +7,7 @@ using SafeTestsets: @safetestset
     filenames = filter(readdir(@__DIR__)) do f
       startswith("test_")(f) && endswith(".jl")(f)
     end
-    for dir in ["lib", "ext", "ITensors"]
+    for dir in ["lib"]
       push!(filenames, joinpath(dir, "runtests.jl"))
     end
     @testset "Test $(@__DIR__)/$filename" for filename in filenames

NDTensors/test/ITensors/TestITensorDMRG/TestITensorDMRG.jl

@@ -1,12 +1,40 @@
 @eval module $(gensym())
-using NDTensors
-using Test: @testset, @test, @test_throws
 using GPUArraysCore: @allowscalar
+using NDTensors:
+  NDTensors,
+  Block,
+  BlockOffsets,
+  BlockSparse,
+  BlockSparseTensor,
+  Combiner,
+  Dense,
+  DenseTensor,
+  contract,
+  dim,
+  dims,
+  tensor
 include("NDTensorsTestUtils/NDTensorsTestUtils.jl")
 using .NDTensorsTestUtils: devices_list, is_supported_eltype
+using Test: @testset, @test, @test_throws
 
 # Testing generic block indices
-using ITensors: QN, Index
+struct Index{Space}
+  space::Space
+end
+NDTensors.dim(i::Index) = sum(b -> last(b), i.space)
+NDTensors.nblocks(i::Index) = length(i.space)
+NDTensors.blockdim(i::Index, block::Integer) = last(i.space[block])
+function NDTensors.outer(i1::Index, i2::Index)
+  return Index(vec(
+    map(Iterators.product(i1.space, i2.space)) do (b1, b2)
+      return first(b1) + first(b2) => last(b1) * last(b2)
+    end,
+  ))
+end
+NDTensors.permuteblocks(i::Index, perm::Vector{Int}) = Index(i.space[perm])
+
+struct QN end
+Base.:+(q1::QN, q2::QN) = QN()
 
 @testset "CombinerTensor basic functionality" begin
   @testset "test device: $dev, eltype: $elt" for dev in devices_list(copy(ARGS)),