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DenseAxisArray.jl
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DenseAxisArray.jl
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# Copyright 2017, Iain Dunning, Joey Huchette, Miles Lubin, and contributors
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at https://mozilla.org/MPL/2.0/.
#############################################################################
# JuMP
# An algebraic modeling language for Julia
# See https://github.com/jump-dev/JuMP.jl
#############################################################################
using JuMP.Containers
using Test
@testset "DenseAxisArray" begin
@testset "undef constructor" begin
A = @inferred DenseAxisArray{Int}(undef, [:a, :b], 1:2)
@test isassigned(A, :a, 1) # Because the eltype is Int, isassigned=true.
@test !isassigned(A, :c, 1)
@test !isassigned(A, :c, 1, :d)
A[:a, 1] = 1
A[:b, 1] = 2
A[:a, 2] = 3
A[:b, 2] = 4
@test A[:a, 1] == 1
@test A[:b, 1] == 2
@test A[:a, 2] == 3
@test A[:b, 2] == 4
@test isassigned(A, :a, 1)
@test !isassigned(A, :c, 1)
@test 10 == @inferred sum(A)
end
@testset "undef constructor (ii)" begin
A = @inferred DenseAxisArray{String}(undef, 1:2)
@test !isassigned(A, 1)
@test !isassigned(A, 2)
@test !isassigned(A, 3)
A[1] = "abc"
@test isassigned(A, 1)
@test !isassigned(A, 2)
@test !isassigned(A, 3)
@test !isassigned(A, 2, 2)
end
@testset "Range index set" begin
A = @inferred DenseAxisArray([1.0, 2.0], 2:3)
@test size(A) == (2,)
@test size(A, 1) == 2
@test @inferred A[2] == 1.0
@test A[3] == 2.0
@test A[2, 1] == 1.0
@test A[3, 1, 1, 1, 1] == 2.0
@test isassigned(A, 2)
@test !isassigned(A, 1)
@test length.(axes(A)) == (2,)
@test_throws KeyError A["2"]
correct_answer = DenseAxisArray([2.0, 3.0], 2:3)
@test sprint(show, correct_answer) == """
1-dimensional DenseAxisArray{Float64,1,...} with index sets:
Dimension 1, 2:3
And data, a 2-element $(Vector{Float64}):
2.0
3.0"""
@testset "Broadcasting" begin
plus1(x) = x + 1
@test plus1.(A) == correct_answer
@test correct_answer == @inferred map(plus1, A)
@test A .+ 1 == correct_answer
@test correct_answer == @inferred map(x -> x + 1, A)
@test 1 .+ A == correct_answer
@test correct_answer == @inferred map(x -> 1 + x, A)
end
@testset "Operation with scalar" begin
correct_answer = DenseAxisArray([2.0, 4.0], 2:3)
@test 2 * A == correct_answer
@test correct_answer == @inferred map(x -> 2 * x, A)
@test A * 2 == correct_answer
@test correct_answer == @inferred map(x -> x * 2, A)
@test A / (1 / 2) == correct_answer
@test correct_answer == @inferred map(x -> x / (1 / 2), A)
end
end
@testset "Symbol index set" begin
A = @inferred DenseAxisArray([1.0, 2.0], [:a, :b])
@test size(A) == (2,)
@test size(A, 1) == 2
@test @inferred A[:a] == 1.0
@test A[:b] == 2.0
@test length.(axes(A)) == (2,)
correct_answer = DenseAxisArray([2.0, 3.0], [:a, :b])
@test sprint(show, correct_answer) == """
1-dimensional DenseAxisArray{Float64,1,...} with index sets:
Dimension 1, $([:a, :b])
And data, a 2-element $(Vector{Float64}):
2.0
3.0"""
plus1(x) = x + 1
@test plus1.(A) == correct_answer
@test A .+ 1 == correct_answer
@test 1 .+ A == correct_answer
end
@testset "String index set" begin
A = @inferred DenseAxisArray([1.0, 2.0], ["a", "b"])
@test (@inferred A["a"]) == (@inferred A[GenericString("a")]) == 1.0
@test (@inferred A[["a", "b"]]) ==
(@inferred A[[GenericString("a"), GenericString("b")]]) ==
A
end
@testset "Mixed range/symbol index sets" begin
A = @inferred DenseAxisArray([1 2; 3 4], 2:3, [:a, :b])
@test size(A) == (2, 2)
@test size(A, 1) == 2
@test size(A, 2) == 2
@test_throws BoundsError(A, (2,)) A[2]
@test length.(axes(A)) == (2, 2)
@test @inferred A[2, :a] == 1
@test A[3, :a] == 3
@test A[2, :b] == 2
@test A[3, :b] == 4
@test A[2, :a, 1] == 1
@test A[2, :a, 1, 1] == 1
@test A[3, :a, 1, 1, 1] == 3
@test DenseAxisArray([1, 3], 2:3) == @inferred A[:, :a]
@test A[2, :] == DenseAxisArray([1, 2], [:a, :b])
@test sprint(show, A) == """
2-dimensional DenseAxisArray{$Int,2,...} with index sets:
Dimension 1, 2:3
Dimension 2, $([:a, :b])
And data, a 2×2 $(Matrix{Int}):
1 2
3 4"""
end
@testset "4-dimensional DenseAxisArray" begin
# TODO: This inference tests fails on 0.7. Investigate and fix.
A = DenseAxisArray(zeros(2, 2, 2, 2), 2:3, [:a, :b], -1:0, ["a", "b"])
@test size(A) == (2, 2, 2, 2)
@test size(A, 1) == 2
@test size(A, 2) == 2
@test size(A, 3) == 2
@test size(A, 4) == 2
@test_throws BoundsError(A, (2,)) A[2]
@test_throws BoundsError(A, (2, :a)) A[2, :a]
@test_throws BoundsError(A, (2, :a, 0)) A[2, :a, 0]
A[2, :a, -1, "a"] = 1.0
f = 0.0
for I in eachindex(A)
f += A[I]
end
@test f == 1.0
@test isassigned(A, 2, :a, -1, "a")
@test A[:, :, -1, "a"] ==
DenseAxisArray([1.0 0.0; 0.0 0.0], 2:3, [:a, :b])
@test_throws KeyError A[2, :a, -1, :a]
@test sprint(summary, A) == """
4-dimensional DenseAxisArray{Float64,4,...} with index sets:
Dimension 1, 2:3
Dimension 2, $([:a, :b])
Dimension 3, -1:0
Dimension 4, ["a", "b"]
And data, a 2×2×2×2 $(Array{Float64,4})"""
@test sprint(show, A) == """
4-dimensional DenseAxisArray{Float64,4,...} with index sets:
Dimension 1, 2:3
Dimension 2, $([:a, :b])
Dimension 3, -1:0
Dimension 4, ["a", "b"]
And data, a 2×2×2×2 $(Array{Float64,4}):
[:, :, -1, "a"] =
1.0 0.0
0.0 0.0
[:, :, 0, "a"] =
0.0 0.0
0.0 0.0
[:, :, -1, "b"] =
0.0 0.0
0.0 0.0
[:, :, 0, "b"] =
0.0 0.0
0.0 0.0"""
end
@testset "0-dimensional DenseAxisArray" begin
a = Array{Int,0}(undef)
a[] = 10
A = DenseAxisArray(a)
@test size(A) == tuple()
@test A[] == 10
A[] = 1
@test sprint(show, A) == """
0-dimensional DenseAxisArray{$Int,0,...} with index sets:
And data, a 0-dimensional $(Array{Int,0}):
1"""
end
@testset "DenseAxisArray keys" begin
A = DenseAxisArray([5.0 6.0; 7.0 8.0], 2:3, [:a, :b])
A_keys = collect(keys(A))
@test A[A_keys[3]] == 6.0
@test A[A_keys[4]] == 8.0
@test A_keys[3][1] == 2
@test A_keys[3][2] == :b
@test A_keys[4][1] == 3
@test A_keys[4][2] == :b
B = DenseAxisArray([5.0 6.0; 7.0 8.0], 2:3, Set([:a, :b]))
B_keys = keys(B)
@test Containers.DenseAxisArrayKey((2, :a)) in B_keys
@test Containers.DenseAxisArrayKey((2, :b)) in B_keys
@test Containers.DenseAxisArrayKey((3, :a)) in B_keys
@test Containers.DenseAxisArrayKey((3, :b)) in B_keys
# See https://github.com/jump-dev/JuMP.jl/issues/1988
@testset "filter" begin
k = filter(k -> 6 <= A[k] <= 7, keys(A))
@test k isa Vector{Containers.DenseAxisArrayKey{Tuple{Int,Symbol}}}
@test k[1] == Containers.DenseAxisArrayKey((3, :a))
@test k[2] == Containers.DenseAxisArrayKey((2, :b))
end
end
@testset "AxisLookup" begin
A = DenseAxisArray([5.0 6.0; 7.0 8.0], [:a, :b], [:a, :b])
@test A.lookup[1] isa Containers._AxisLookup{Dict{Symbol,Int}}
@test_throws KeyError A[:c, :a]
@test_throws KeyError A[1, 1]
@test_throws KeyError A[:a, :b, 2] == 6.0
@test isassigned(A, :a, :a)
@test !isassigned(A, :a, :c)
@test (@inferred A[:a, :b]) == 6.0
@test (@inferred A[:a, :b, 1]) == 6.0
@test (@inferred A[:b, :a]) == 7.0
@test (@inferred A[[:a, :b], [:a, :b]]) == A
@test (@inferred A[:a, [:a, :b]]) ==
DenseAxisArray([5.0, 6.0], [:a, :b])
@test (@inferred A[[:a, :b], :b]) ==
DenseAxisArray([6.0, 8.0], [:a, :b])
B = DenseAxisArray([5.0 6.0; 7.0 8.0], Base.OneTo(2), [:a, :b])
@test B.lookup[1] isa Containers._AxisLookup{Base.OneTo{Int}}
@test_throws KeyError B[0, :a]
@test isassigned(B, 1, :a)
@test !isassigned(B, 3, :b)
@test (@inferred B[1, :b]) == 6.0
@test (@inferred B[2, :a]) == 7.0
@test (@inferred B[1:2, [:a, :b]]) == B
@test (@inferred B[1, [:a, :b]]) == DenseAxisArray([5.0, 6.0], [:a, :b])
@test (@inferred B[1:2, :b]) == DenseAxisArray([6.0, 8.0], 1:2)
C = DenseAxisArray([5.0 6.0; 7.0 8.0], 2:3, [:a, :b])
@test C.lookup[1] isa Containers._AxisLookup{Tuple{Int,Int}}
@test_throws KeyError C[0, :a]
@test isassigned(C, 2, :a)
@test !isassigned(C, 4, :b)
@test (@inferred C[2, :b]) == 6.0
@test (@inferred C[3, :a]) == 7.0
@test (@inferred C[2:3, [:a, :b]]) == C
@test (@inferred C[2, [:a, :b]]) == DenseAxisArray([5.0, 6.0], [:a, :b])
@test (@inferred C[2:3, :b]) == DenseAxisArray([6.0, 8.0], 2:3)
D = DenseAxisArray([5.0 6.0; 7.0 8.0], 2:3, ["a", "b"])
@test (@inferred D[2, GenericString("b")]) == 6.0
@test (@inferred D[2, [GenericString("a"), GenericString("b")]]) ==
DenseAxisArray([5.0, 6.0], ["a", "b"])
end
@testset "BitArray" begin
x = DenseAxisArray([0 1; 1 0], [:a, :b], 1:2)
y = Bool.(x)
@test y isa DenseAxisArray
@test x == y
end
@testset "Broadcast" begin
foo(x, y) = x + y
foo_b(x, y) = foo.(x, y)
bar(x, y) = (foo.(x, y) .+ x) .^ 2
a = [5.0 6.0; 7.0 8.0]
A = DenseAxisArray(a, [:a, :b], [:a, :b])
b = a .+ 1
B = A .+ 1
@test B == DenseAxisArray(b, [:a, :b], [:a, :b])
C = @inferred foo_b(A, B)
@test C == DenseAxisArray(foo_b(a, b), [:a, :b], [:a, :b])
D = @inferred bar(A, B)
@test D == DenseAxisArray(bar(a, b), [:a, :b], [:a, :b])
end
@testset "Broadcast_errors" begin
a = [5.0 6.0; 7.0 8.0]
A = DenseAxisArray(a, [:a, :b], [:a, :b])
B = DenseAxisArray(a, [:b, :a], [:a, :b])
@test_throws ErrorException A .+ B
b = [5.0 6.0; 7.0 8.0; 9.0 10.0]
@test_throws DimensionMismatch A .+ b
end
@testset "DenseAxisArray with Base.OneTo" begin
A = @inferred DenseAxisArray([1, 3, 2], Base.OneTo(3))
B = @inferred map(x -> x^2, A)
@test B isa DenseAxisArray
@test B.data == [1, 9, 4]
@test B.axes == (Base.OneTo(3),)
C = @inferred DenseAxisArray([1 3; 2 4], Base.OneTo(2), Base.OneTo(2))
D = @inferred map(x -> x - 1, C)
@test D isa DenseAxisArray
@test D.data == [0 2; 1 3]
@test D.axes == (Base.OneTo(2), Base.OneTo(2))
end
@testset "Array" begin
A = DenseAxisArray([1, 3, 2], Base.OneTo(3))
B = @inferred Array(A)
@test B isa Vector{Int}
@test B == [1, 3, 2]
# Test mutating B doesn't mutate A
B[2] = 4
@test A[2] == 3
C = @inferred Array{Float64}(A)
@test C isa Vector{Float64}
@test C == [1.0, 3.0, 2.0]
end
@testset "hash" begin
a = [5.0 6.0; 7.0 8.0]
A = DenseAxisArray(a, [:a, :b], Base.OneTo(2))
@test hash(A) isa UInt
s = Set{Any}()
push!(s, A)
@test length(s) == 1
end
@testset "Non-AbstractArray axes" begin
x = [1.0, 2.0, 3.0]
d = Dict(:a => "a", :b => "b", :c => "c")
X = DenseAxisArray(x, d)
for (k, v) in d
@test X[(k, v)] in x
@test X[(k, v)] == X[k=>v]
end
@test_throws KeyError X[(:a, "b")]
@test isassigned(X, (:a, "a"))
@test !isassigned(X, (:a, "b"))
@test length(X[[(:a, "a"), (:c, "c")]]) == 2
end
@testset "Non-AbstractArray matrix" begin
x = [1.0 2.0 3.0; 1.0 2.0 3.0; 1.0 2.0 3.0]
d = Dict(:a => "a", :b => "b", :c => "c")
X = DenseAxisArray(x, d, d)
for (k, v) in d
@test X[(k, v), (k, v)] in x
@test X[(k, v), (k, v)] == X[k=>v, k=>v]
end
@test_throws BoundsError X[(:a, "b")]
@test_throws KeyError X[(:a, "b"), (:a, "a")]
@test_throws KeyError X[(:a, "a"), (:a, "b")]
@test isassigned(X, (:a, "a"), (:a, "a"))
@test !isassigned(X, (:a, "b"))
@test isassigned(X, (:a, "a"), (:b, "b"))
y = Array(X[:, (:a, "a")])
@test all(y .== y[1])
end
@testset "Singular axis" begin
x = @test_logs (:warn,) DenseAxisArray([1.1 2.2], 1, 1:2)
@test x[1, 2] == 2.2
y = @test_logs DenseAxisArray([1.1 2.2], [1], 1:2)
@test y[1, 2] == 2.2
end
@testset "CartesianIndex error" begin
S = CartesianIndex.([2, 4])
err = ErrorException(
"Unsupported index type `CartesianIndex` in axis: $S. Cartesian " *
"indices are restricted for indexing into and iterating over " *
"multidimensional arrays.",
)
@test_throws(err, DenseAxisArray([1.1, 2.2], S))
end
@testset "Matrix indices" begin
sources = ["A", "B", "C"]
sinks = ["D", "E"]
S = [(source, sink) for source in sources, sink in sinks]
x = DenseAxisArray(1:6, S)
@test size(x) == (6,)
end
@testset "DenseAxisArray_show_nd" begin
S = zeros(Int, 2, 2, 3, 3, 3)
for i in 1:length(S)
S[i] = i
end
x = DenseAxisArray(S, 1:2, 1:2, 1:3, 1:3, 1:3)
str = sprint((io, x) -> Base.show_nd(io, x, Base.print_matrix, true), x)
@test occursin("[:, :, 1, 2, 3] =\n 85 87\n 86 88\n", str)
str_limit = sprint(x) do io, x
return Base.show_nd(
IOContext(io, :limit => true),
x,
Base.print_matrix,
true,
)
end
@test occursin("[:, :, 1, 2, 3] =\n 85 87\n 86 88\n", str_limit)
end
@testset "DenseAxisArray_show_nd_limit" begin
S = zeros(Int, 2, 2, 3, 3, 20)
for i in 1:length(S)
S[i] = i
end
x = DenseAxisArray(S, 1:2, 1:2, 1:3, 1:3, 1:20)
str = sprint((io, x) -> Base.show_nd(io, x, Base.print_matrix, true), x)
@test occursin("[:, :, 1, 1, 3]", str)
@test occursin("[:, :, 1, 1, 4]", str)
@test occursin("[:, :, 1, 1, 17]", str)
@test occursin("[:, :, 1, 1, 18]", str)
str_limit = sprint(x) do io, x
return Base.show_nd(
IOContext(io, :limit => true),
x,
Base.print_matrix,
true,
)
end
@test occursin("[:, :, 1, 1, 3]", str_limit)
@test !occursin("[:, :, 1, 1, 4]", str_limit)
@test !occursin("[:, :, 1, 1, 17]", str_limit)
@test occursin("[:, :, 1, 1, 18]", str_limit)
end
@testset "DenseAxisArray_show_nd_empty" begin
x = DenseAxisArray(Int[], 1:0)
str = sprint((io, x) -> Base.show_nd(io, x, Base.print_matrix, true), x)
@test isempty(str)
end
@testset "DenseAxisArray_vector_keys" begin
paths = [[1, 2, 15, 3, 20], [1, 9, 16, 20], [1, 2, 20]]
x = DenseAxisArray(1:3, paths)
for i in 1:3
@test x[paths[i]] == i
@test isassigned(x, paths[i]) == true
end
@test isassigned(x, Int[]) == false
end
end