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annotate LazyTensors/test/runtests.jl @ 232:a20bb4fac23d boundary_conditions

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Improve tests for LazyTensors
author Jonatan Werpers <jonatan@werpers.com>
date Wed, 26 Jun 2019 17:41:44 +0200
parents 2aa33d0eef90
children 856caf960d89
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1 using Test
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2 using LazyTensors
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3
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4 @testset "Generic Mapping methods" begin
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5 struct DummyMapping{T,R,D} <: TensorMapping{T,R,D} end
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6 LazyTensors.apply(m::DummyMapping{T,R,D}, v, i) where {T,R,D} = :apply
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7 @test range_dim(DummyMapping{Int,2,3}()) == 2
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8 @test domain_dim(DummyMapping{Int,2,3}()) == 3
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9 @test apply(DummyMapping{Int,2,3}(), zeros(Int, (0,0,0)),0) == :apply
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10 end
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11
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12 @testset "Generic Operator methods" begin
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13 struct DummyOperator{T,D} <: TensorOperator{T,D} end
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14 @test range_size(DummyOperator{Int,2}(), (3,5)) == (3,5)
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15 @test domain_size(DummyOperator{Float64, 3}(), (3,3,1)) == (3,3,1)
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16 end
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18 @testset "Mapping transpose" begin
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19 struct DummyMapping{T,R,D} <: TensorMapping{T,R,D} end
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20
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21 LazyTensors.apply(m::DummyMapping{T,R,D}, v, i) where {T,R,D} = :apply
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22 LazyTensors.apply_transpose(m::DummyMapping{T,R,D}, v, i) where {T,R,D} = :apply_transpose
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23
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24 LazyTensors.range_size(m::DummyMapping{T,R,D}, domain_size::NTuple{D,Integer}) where {T,R,D} = :range_size
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25 LazyTensors.domain_size(m::DummyMapping{T,R,D}, range_size::NTuple{R,Integer}) where {T,R,D} = :domain_size
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27 m = DummyMapping{Float64,2,3}()
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28 @test m' isa TensorMapping{Float64, 3,2}
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29 @test m'' == m
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30 @test apply(m',zeros(Float64,(0,0)),0) == :apply_transpose
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31 @test apply(m'',zeros(Float64,(0,0,0)),0) == :apply
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32 @test apply_transpose(m', zeros(Float64,(0,0,0)),0) == :apply
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34 @test range_size(m', (0,0)) == :domain_size
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35 @test domain_size(m', (0,0,0)) == :range_size
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36 end
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37
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38 @testset "TensorApplication" begin
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39 struct DummyMapping{T,R,D} <: TensorMapping{T,R,D} end
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40
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41 LazyTensors.apply(m::DummyMapping{T,R,D}, v, i) where {T,R,D} = (:apply,v,i)
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42 LazyTensors.apply_transpose(m::DummyMapping{T,R,D}, v, i) where {T,R,D} = :apply_transpose
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43
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44 LazyTensors.range_size(m::DummyMapping{T,R,D}, domain_size::NTuple{D,Integer}) where {T,R,D} = 2 .* domain_size
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45 LazyTensors.domain_size(m::DummyMapping{T,R,D}, range_size::NTuple{R,Integer}) where {T,R,D} = range_size.÷2
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48 m = DummyMapping{Int, 1, 1}()
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49 v = [0,1,2]
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50 @test m*v isa AbstractVector{Int}
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51 @test size(m*v) == 2 .*size(v)
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52 @test (m*v)[0] == (:apply,v,0)
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53 @test m*m*v isa AbstractVector{Int}
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54 @test (m*m*v)[1] == (:apply,m*v,1)
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55 @test (m*m*v)[3] == (:apply,m*v,3)
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56 @test (m*m*v)[6] == (:apply,m*v,6)
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57 @test_broken BoundsError == (m*m*v)[0]
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58 @test_broken BoundsError == (m*m*v)[7]
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59 end
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60
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61 @testset "TensorMapping binary operations" begin
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62 struct ScalarMapping{T,R,D} <: TensorMapping{T,R,D}
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63 λ::T
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64 end
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65
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66 LazyTensors.apply(m::ScalarMapping{T,R,D}, v, i) where {T,R,D} = m.λ*v[i]
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67 LazyTensors.range_size(m::ScalarMapping, domain_size) = domain_size
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68 LazyTensors.domain_size(m::ScalarMapping, range_sizes) = range_sizes
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69
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70 A = ScalarMapping{Float64,1,1}(2.0)
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71 B = ScalarMapping{Float64,1,1}(3.0)
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72
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73 v = [1.1,1.2,1.3]
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74
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75 for i ∈ eachindex(v)
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76 @test ((A+B)*v)[i] == 2*v[i] + 3*v[i]
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77 end
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78
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79 for i ∈ eachindex(v)
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80 @test ((A-B)*v)[i] == 2*v[i] - 3*v[i]
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81 end
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82
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83 @test range_size(A+B, (3,)) == range_size(A, (3,)) == range_size(B,(3,))
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84 @test domain_size(A+B, (3,)) == domain_size(A, (3,)) == domain_size(B,(3,))
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85 end
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86
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87 @testset "LazyArray" begin
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88 struct DummyArray{T,D, T1<:AbstractArray{T,D}} <: LazyArray{T,D}
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89 data::T1
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90 end
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91 Base.size(v::DummyArray) = size(v.data)
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92 Base.getindex(v::DummyArray, I...) = v.data[I...]
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93
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94 # Test lazy operations
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95 v1 = [1, 2.3, 4]
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96 v2 = [1., 2, 3]
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97 r_add = v1 .+ v2
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98 r_sub = v1 .- v2
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99 r_times = v1 .* v2
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100 r_div = v1 ./ v2
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101 @test isa(v1 +̃ v2, LazyArray)
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102 @test isa(v1 -̃ v2, LazyArray)
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103 @test isa(v1 *̃ v2, LazyArray)
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104 @test isa(v1 /̃ v2, LazyArray)
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105 for i ∈ eachindex(v1)
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106 @test (v1 +̃ v2)[i] == r_add[i]
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107 @test (v1 -̃ v2)[i] == r_sub[i]
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108 @test (v1 *̃ v2)[i] == r_times[i]
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109 @test (v1 /̃ v2)[i] == r_div[i]
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110 end
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111 @test_throws BoundsError (v1 +̃ v2)[4]
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112 v2 = [1., 2, 3, 4]
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113 # Test that size of arrays is asserted when not specified inbounds
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114 @test_throws DimensionMismatch v1 +̃ v2
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115
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116 # Test operations on LazyArray
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117 v1 = DummyArray([1, 2.3, 4])
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118 v2 = [1., 2, 3]
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119 @test isa(v1 + v2, LazyArray)
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120 @test isa(v2 + v1, LazyArray)
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121 @test isa(v1 - v2, LazyArray)
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122 @test isa(v2 - v1, LazyArray)
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123 for i ∈ eachindex(v2)
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124 @test (v1 + v2)[i] == (v2 + v1)[i] == r_add[i]
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125 @test (v1 - v2)[i] == -(v2 - v1)[i] == r_sub[i]
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126 end
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127 @test_throws BoundsError (v1 + v2)[4]
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128 v2 = [1., 2, 3, 4]
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129 # Test that size of arrays is asserted when not specified inbounds
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130 @test_throws DimensionMismatch v1 + v2
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131 end