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subdataset.jl
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using InMemoryDatasets, Random, Test
# From DataFrames.jl
@testset "copy - SubDataset" begin
ds = Dataset(x=1:10, y=1.0:10.0)
sds = view(ds, 1:2, 1:1)
@test sds isa SubDataset
@test copy(sds) isa Dataset
@test sds == copy(sds)
@test view(sds, :, :) === sds
@test view(sds, :, r"") == sds
end
@testset "view -- Dataset" begin
ds = Dataset(x=1:10, y=1.0:10.0)
@test view(ds, 1, :) == IMD.DatasetRow(ds, 1, :)
@test view(ds, UInt(1), :) == IMD.DatasetRow(ds, 1, :)
@test view(ds, BigInt(1), :) == IMD.DatasetRow(ds, 1, :)
@test view(ds, UInt(1):UInt(1), :) == SubDataset(ds, 1:1, :)
@test view(ds, BigInt(1):BigInt(1), :) == SubDataset(ds, 1:1, :)
@test view(ds, 1:2, :) == first(ds, 2)
@test view(ds, vcat(trues(2), falses(8)), :) == first(ds, 2)
@test view(ds, [1, 2], :) == first(ds, 2)
@test view(ds, 1, r"") == IMD.DatasetRow(ds, 1, :)
@test view(ds, UInt(1), r"") == IMD.DatasetRow(ds, 1, :)
@test view(ds, BigInt(1), r"") == IMD.DatasetRow(ds, 1, :)
@test view(ds, UInt(1):UInt(1), r"") == SubDataset(ds, 1:1, :)
@test view(ds, BigInt(1):BigInt(1), r"") == SubDataset(ds, 1:1, :)
@test view(ds, 1:2, r"") == first(ds, 2)
@test view(ds, vcat(trues(2), falses(8)), r"") == first(ds, 2)
@test view(ds, [1, 2], r"") == first(ds, 2)
@test view(ds, 1, r"") == IMD.DatasetRow(ds, 1, r"")
@test view(ds, UInt(1), r"") == IMD.DatasetRow(ds, 1, r"")
@test view(ds, BigInt(1), r"") == IMD.DatasetRow(ds, 1, r"")
@test view(ds, UInt(1):UInt(1), r"") == SubDataset(ds, 1:1, r"")
@test view(ds, BigInt(1):BigInt(1), r"") == SubDataset(ds, 1:1, r"")
@test view(ds, 1, :x) == view(ds[!, :x], 1)
@test view(ds, 1, :x) isa SubDatasetColumn
@test size(view(ds, 1, :x)) == ()
@test view(ds, 1:2, :x) == ds[!, :x][1:2]
@test view(ds, 1:2, :x) isa SubDatasetColumn
@test view(ds, vcat(trues(2), falses(8)), :x) == view(ds[!, :x], vcat(trues(2), falses(8)))
@test view(ds, [1, 2], :x) == view(ds[!, :x], [1, 2])
@test view(ds, 1, 1) == view(ds[!, 1], 1)
@test view(ds, 1, 1) isa SubDatasetColumn
@test size(view(ds, 1, 1)) == ()
@test view(ds, 1:2, 1) == ds[!, 1][1:2]
@test view(ds, 1:2, 1) isa SubDatasetColumn
@test view(ds, vcat(trues(2), falses(8)), 1) == view(ds[!, 1], vcat(trues(2), falses(8)))
@test view(ds, [1, 2], 1) == view(ds[!, 1], [1, 2])
@test view(ds, 1:2, 1) == ds[!, 1][1:2]
@test view(ds, 1:2, 1) isa SubDatasetColumn
@test view(ds, 1, [:x, :y]) == IMD.DatasetRow(ds[:, [:x, :y]], 1, :)
@test view(ds, 1, [:x, :y]) == IMD.DatasetRow(ds, 1, [:x, :y])
@test view(ds, 1:2, [:x, :y]) == first(ds, 2)
@test view(ds, vcat(trues(2), falses(8)), [:x, :y]) == first(ds, 2)
@test view(ds, [1, 2], [:x, :y]) == first(ds, 2)
@test view(ds, 1, r"[xy]") == IMD.DatasetRow(ds[:, [:x, :y]], 1, :)
@test view(ds, 1, r"[xy]") == IMD.DatasetRow(ds, 1, [:x, :y])
@test view(ds, 1:2, r"[xy]") == first(ds, 2)
@test view(ds, vcat(trues(2), falses(8)), r"[xy]") == first(ds, 2)
@test view(ds, [1, 2], r"[xy]") == first(ds, 2)
@test view(ds, 1, [1, 2]) == IMD.DatasetRow(ds[:, 1:2], 1, :)
@test view(ds, 1, [1, 2]) == IMD.DatasetRow(ds, 1, 1:2)
@test view(ds, 1:2, [1, 2]) == first(ds, 2)
@test view(ds, vcat(trues(2), falses(8)), [1, 2]) == first(ds, 2)
@test view(ds, [1, 2], [1, 2]) == first(ds, 2)
@test view(ds, 1, trues(2)) == IMD.DatasetRow(ds[:, trues(2)], 1, :)
@test view(ds, 1, trues(2)) == IMD.DatasetRow(ds, 1, trues(2))
@test view(ds, 1:2, trues(2)) == first(ds, 2)
@test view(ds, vcat(trues(2), falses(8)), trues(2)) == first(ds, 2)
@test view(ds, [1, 2], trues(2)) == first(ds, 2)
@test view(ds, Integer[1, 2], :) == first(ds, 2)
@test view(ds, UInt[1, 2], :) == first(ds, 2)
@test view(ds, BigInt[1, 2], :) == first(ds, 2)
@test view(ds, Union{Int, Missing}[1, 2], :) == first(ds, 2)
@test view(ds, Union{Integer, Missing}[1, 2], :) == first(ds, 2)
@test view(ds, Union{UInt, Missing}[1, 2], :) == first(ds, 2)
@test view(ds, Union{BigInt, Missing}[1, 2], :) == first(ds, 2)
@test view(ds, :, :) == ds
@test view(ds, 1, :) == IMD.DatasetRow(ds, 1, :)
@test view(ds, :, 1) == ds[:, 1]
@test view(ds, :, 1) isa SubDatasetColumn
@test view(ds, 1, r"") == IMD.DatasetRow(ds, 1, :)
@test view(ds, :, 1) == ds[:, 1]
@test view(ds, :, 1) isa SubDatasetColumn
@test size(view(ds, :, r"a")) == (0, 0)
@test size(view(ds, 1:2, r"a")) == (0, 0)
@test size(view(ds, 2, r"a")) == (0,)
@test_throws ArgumentError view(ds, :, [missing, 1])
@test_throws ArgumentError view(ds, [missing, 1], :)
@test_throws ArgumentError view(ds, [missing, 1], r"")
end
@testset "view -- SubDataset" begin
ds = view(Dataset(x=1:10, y=1.0:10.0), 1:10, :)
@test view(ds, 1, :) == IMD.DatasetRow(ds, 1, :)
@test view(ds, UInt(1), :) == IMD.DatasetRow(ds, 1, :)
@test view(ds, BigInt(1), :) == IMD.DatasetRow(ds, 1, :)
@test view(ds, 1:2, :) == first(ds, 2)
@test view(ds, vcat(trues(2), falses(8)), :) == first(ds, 2)
@test view(ds, [1, 2], :) == first(ds, 2)
@test view(ds, 1, r"") == IMD.DatasetRow(ds, 1, :)
@test view(ds, UInt(1), r"") == IMD.DatasetRow(ds, 1, :)
@test view(ds, BigInt(1), r"") == IMD.DatasetRow(ds, 1, :)
@test view(ds, 1:2, r"") == first(ds, 2)
@test view(ds, vcat(trues(2), falses(8)), r"") == first(ds, 2)
@test view(ds, [1, 2], r"") == first(ds, 2)
@test view(ds, 1, r"") == IMD.DatasetRow(ds, 1, r"")
@test view(ds, UInt(1), r"") == IMD.DatasetRow(ds, 1, r"")
@test view(ds, BigInt(1), r"") == IMD.DatasetRow(ds, 1, r"")
@test view(ds, 1, :x) == view(ds[!, :x], 1)
@test view(ds, 1, 1) isa SubDatasetColumn
@test size(view(ds, 1, 1)) == ()
@test view(ds, 1:2, :x) == view(ds[!, :x], 1:2)
@test view(ds, vcat(trues(2), falses(8)), :x) == view(ds[!, :x], vcat(trues(2), falses(8)))
@test view(ds, [1, 2], :x) == view(ds[!, :x], [1, 2])
@test view(ds, 1, 1) == view(ds[!, 1], 1)
@test view(ds, 1, 1) isa SubDatasetColumn
@test size(view(ds, 1, 1)) == ()
@test view(ds, 1:2, 1) == view(ds[!, :x], 1:2)
@test view(ds, vcat(trues(2), falses(8)), 1) == view(ds[!, :x], vcat(trues(2), falses(8)))
@test view(ds, [1, 2], 1) == view(ds[!, :x], [1, 2])
@test view(ds, 1, [:x, :y]) == IMD.DatasetRow(ds[:, [:x, :y]], 1, :)
@test view(ds, 1, [:x, :y]) == IMD.DatasetRow(ds, 1, [:x, :y])
@test view(ds, 1:2, [:x, :y]) == first(ds, 2)
@test view(ds, 1, r"[xy]") == IMD.DatasetRow(ds[:, [:x, :y]], 1, :)
@test view(ds, 1, r"[xy]") == IMD.DatasetRow(ds, 1, [:x, :y])
@test view(ds, 1:2, r"[xy]") == first(ds, 2)
@test view(ds, vcat(trues(2), falses(8)), [:x, :y]) == first(ds, 2)
@test view(ds, [1, 2], [:x, :y]) == first(ds, 2)
@test view(ds, 1, [1, 2]) == IMD.DatasetRow(ds[:, 1:2], 1, :)
@test view(ds, 1, [1, 2]) == IMD.DatasetRow(ds, 1, 1:2)
@test view(ds, 1:2, [1, 2]) == first(ds, 2)
@test view(ds, vcat(trues(2), falses(8)), [1, 2]) == first(ds, 2)
@test view(ds, [1, 2], [1, 2]) == first(ds, 2)
@test view(ds, 1, trues(2)) == IMD.DatasetRow(ds[:, trues(2)], 1, :)
@test view(ds, 1, trues(2)) == IMD.DatasetRow(ds, 1, trues(2))
@test view(ds, 1:2, trues(2)) == first(ds, 2)
@test view(ds, vcat(trues(2), falses(8)), trues(2)) == first(ds, 2)
@test view(ds, [1, 2], trues(2)) == first(ds, 2)
@test view(ds, Integer[1, 2], :) == first(ds, 2)
@test view(ds, UInt[1, 2], :) == first(ds, 2)
@test view(ds, BigInt[1, 2], :) == first(ds, 2)
@test view(ds, Union{Int, Missing}[1, 2], :) == first(ds, 2)
@test view(ds, Union{Integer, Missing}[1, 2], :) == first(ds, 2)
@test view(ds, Union{UInt, Missing}[1, 2], :) == first(ds, 2)
@test view(ds, Union{BigInt, Missing}[1, 2], :) == first(ds, 2)
@test view(ds, :, :) == ds
@test view(ds, 1, :) == IMD.DatasetRow(ds, 1, :)
@test view(ds, :, 1) == ds[:, 1]
@test view(ds, :, 1) isa SubDatasetColumn
@test view(ds, :, r"") == ds
@test view(ds, 1, r"") == IMD.DatasetRow(ds, 1, :)
@test_throws ArgumentError view(ds, :, [missing, 1])
@test_throws ArgumentError view(ds, [missing, 1], :)
@test_throws ArgumentError view(ds, [missing, 1], r"")
@test_throws ArgumentError view(ds, :, true)
end
@testset "getproperty, setproperty! and propertynames" begin
x = collect(1:10)
y = collect(1.0:10.0)
ds = view(Dataset(:x=>x, :y=>y), 2:6, :)
@test propertynames(ds) == Symbol.(names(ds))
@test ds.x == 2:6
@test ds.y == 2:6
@test_throws ArgumentError ds.z
ds[:, :x] = 1:5
@test ds.x == 1:5
@test parent(ds)[:, :x] == [1; 1:5; 7:10]
ds[:, :y] .= 1
@test ds.y == [1, 1, 1, 1, 1]
@test parent(ds)[:, :y] == [1; 1; 1; 1; 1; 1; 7:10]
end
@testset "index" begin
y = 1.0:10.0
ds = view(Dataset(y=y), 2:6, :)
ds2 = view(Dataset(x=y, y=y), 2:6, 2:2)
@test IMD.index(ds) == IMD.index(ds2)
@test haskey(IMD.index(ds2), :y)
@test !haskey(IMD.index(ds2), :x)
@test haskey(IMD.index(ds2), 1)
@test !haskey(IMD.index(ds2), 2)
@test !haskey(IMD.index(ds2), 0)
@test_throws ArgumentError haskey(IMD.index(ds2), true)
@test names(IMD.index(ds2)) == ["y"]
@test IMD._names(IMD.index(ds2)) == [:y]
x = Dataset(ones(5, 4), :auto)
ds = view(x, 2:3, 2:3)
@test names(ds) == names(x)[2:3]
ds = view(x, 2:3, [4, 2])
@test names(ds) == names(x)[[4, 2]]
end
@testset "deleteat!" begin
y = 1.0:10.0
ds = view(Dataset(y=y), 2:6, :)
@test_throws ArgumentError deleteat!(ds, 1)
end
@testset "parent" begin
ds = Dataset(a=Union{Int, Missing}[1, 2, 3, 1, 2, 2],
b=[2.0, missing, 1.2, 2.0, missing, missing],
c=["A", "B", "C", "A", "B", missing])
@test parent(view(ds, [4, 2], :)) === ds
@test parent(view(ds, [4, 2], r"")) === ds
@test parentindices(view(ds, [4, 2], :)) == ([4, 2], Base.OneTo(3))
@test parentindices(view(ds, [4, 2], r"")) == ([4, 2], [1, 2, 3])
@test parent(view(ds, [4, 2], 1:3)) === ds
@test parentindices(view(ds, [4, 2], 1:3)) == ([4, 2], Base.OneTo(3))
end
@testset "duplicate column" begin
ds = Dataset([11:16 21:26 31:36 41:46], :auto)
@test_throws ArgumentError view(ds, [3, 1, 4], [3, 3, 3])
end
@testset "conversion to Dataset" begin
ds = Dataset([11:16 21:26 31:36 41:46], :auto)
sds = view(ds, [3, 1, 4], [3, 2, 1])
ds2 = Dataset(sds)
@test ds2 isa Dataset
@test ds2 == ds[[3, 1, 4], [3, 2, 1]]
@test all(x -> IMD.__!(x) isa Vector{Union{Missing, Int}}, eachcol(ds2))
ds2 = convert(Dataset, sds)
@test ds2 isa Dataset
@test ds2 == ds[[3, 1, 4], [3, 2, 1]]
@test all(x -> IMD.__!(x) isa Vector{Union{Missing, Int}}, eachcol(ds2))
ds = Dataset(x=1:4, y=11:14, z=21:24)
sds = @view ds[2:3, [2]]
ds2 = Dataset(sds)
@test size(ds2) == (2, 1)
@test ds2.y.val isa Vector{Union{Missing, Int}}
@test ds2.y == [12, 13]
end
@testset "setindex! in view" begin
ds = Dataset(A=Vector{Union{Int, Missing}}(1:4), B=Union{String, Missing}["M", "F", "F", "M"])
s1 = view(ds, 1:3, :)
s1[2, :A] = 4
@test ds[2, :A] == 4
@test view(s1, 1:2, :) == view(ds, 1:2, :)
s2 = view(ds, 1:2:3, :)
s2[2, :B] = "M"
@test ds[3, :B] == "M"
@test view(s2, 1:1:2, :) == view(ds, [1, 3], :)
end
@testset "SubDataset corner cases" begin
ds = Dataset(a=[1, 2], b=[3, 4])
@test_throws ArgumentError SubDataset(ds, Integer[true], 1)
@test_throws ArgumentError SubDataset(ds, [true], 1)
sds = @view ds[:, :]
@test_throws ArgumentError SubDataset(sds, true, 1)
@test_throws ArgumentError SubDataset(sds, true, :)
@test_throws ArgumentError SubDataset(sds, Integer[true], 1)
if VERSION >= v"1.7.0-DEV"
@test_throws ArgumentError SubDataset(sds, Integer[true, true, true], :)
else
@test SubDataset(sds, Integer[true, true, true], :) ==
SubDataset(sds, [1, 1, 1], :)
end
end
@testset "subdataset with no columns" begin # from DF.jl
ds = Dataset(a=1:3, b=4:6)
vds = @view ds[[3, 1], 2:1]
@test nrow(SubDataset(vds, Int[], :)) == 0
@test nrow(SubDataset(vds, Bool[], :)) == 0
@test nrow(SubDataset(vds, :, :)) == 0
@test nrow(SubDataset(vds, Not(:), :)) == 0
@test nrow(SubDataset(vds, Int[], [])) == 0
@test nrow(SubDataset(vds, Bool[], [])) == 0
@test nrow(SubDataset(vds, :, [])) == 0
@test nrow(SubDataset(vds, Not(:), [])) == 0
@test_throws BoundsError SubDataset(vds, [1, 2], :)
@test nrow(view(vds, Int[], :)) == 0
@test nrow(view(vds, Bool[], :)) == 0
@test nrow(view(vds, :, :)) == 0
@test nrow(view(vds, !, :)) == 0
@test nrow(view(vds, Not(:), :)) == 0
@test nrow(view(vds, Int[], [])) == 0
@test nrow(view(vds, Bool[], [])) == 0
@test nrow(view(vds, :, [])) == 0
@test nrow(view(vds, !, [])) == 0
@test nrow(view(vds, Not(:), [])) == 0
@test_throws BoundsError view(vds, [1, 2], :)
@test_throws BoundsError vds[1, 1]
@test_throws BoundsError vds[[1, 2], 1]
@test nrow(getindex(vds, Int[], :)) == 0
@test nrow(getindex(vds, Bool[], :)) == 0
@test nrow(getindex(vds, :, :)) == 0
@test nrow(getindex(vds, !, :)) == 0
@test nrow(getindex(vds, Not(:), :)) == 0
@test nrow(getindex(vds, Int[], [])) == 0
@test nrow(getindex(vds, Bool[], [])) == 0
@test nrow(getindex(vds, :, [])) == 0
@test nrow(getindex(vds, !, [])) == 0
@test nrow(getindex(vds, Not(:), [])) == 0
@test_throws BoundsError getindex(vds, [1, 2], :)
end