Added some basic tests

Author: theogf

test/constructors.jl

@@ -0,0 +1,13 @@
+
+#TODO Test metric weights for ARD, test equivalency for different constructors,
+# test type conversion
+l = 2.0
+vl = [l,l]
+
+## SquaredExponentialKernel
+@testset "SquaredExponentialKernel" begin
+    @test KernelFunctions.metric(SquaredExponentialKernel(l)) == SqEuclidean()
+    @test KernelFunctions.metric(SquaredExponentialKernel(vl)) == WeightedSqEuclidean(vl)
+end
+
+SquaredExponentialKernel(l)

test/kernelmatrix.jl

@@ -0,0 +1,18 @@
+dims = [10,5]
+
+A = rand(dims...)
+B = rand(dims...)
+K = [zeros(dims[1],dims[1]),zeros(dims[2],dims[2])]
+k = SquaredExponentialKernel()
+
+@testset "Inplace kernelmatrix" begin
+    for obsdim in [1,2]
+        @test kernelmatrix!(K[obsdim],k,A,B,obsdim=obsdim) == kernelmatrix(k,A,B,obsdim=obsdim)
+    end
+end
+
+@testset "Kernal matrix" begin
+    for obsdim in [1,2]
+        @test kernelmatrix(k,A,B,obsdim=obsdim) == kappa.([k],pairwise(KernelFunctions.metric(k),A,B,dims=obsdim))
+    end
+end

test/runtests.jl

@@ -1,4 +1,6 @@
 using Test
 using KernelFunctions
+using Distances
 
-@test 1+1 == 2
+include("kernelmatrix.jl")
+include("constructors.jl")