using Artifacts
using DerekoVecs
using Test


@testset "DerekoVecs.jl" begin

    wpd19 = load(joinpath(artifact"wpd19_10000", "wpd19_10000", "wpd19_10000.vecs"))

    @testset "DerekoVecs.jl: loading" begin
        @test wpd19.m == 200;
        @test wpd19.n >= 10000;
    end

    @testset "DerekoVecs.jl: similarities" begin
        @test isapprox(DerekoVecs.cos_sim(wpd19, "war", "war"), 1)
        @test cos_sim(wpd19, "wurden", "war") == cos_sim(wpd19, "war", "wurden")
        @test cos_sim(wpd19, "wurde", "wurden") > cos_sim(wpd19, "wurde", "ich")
        @test cos_sim(wpd19, "wurden", "war") == cos_sim(wpd19, wpd19, "war", "wurden")
        @test isapprox(cos_sim(wpd19, wpd19, "war"), 1)
        @test isapprox(cos_sim(wpd19, wpd19, 50), 1)
        @test isapprox(cos_sim(wpd19, 50, 50), 1)
    end

    @testset "DerekoVecs.jl: knn" begin
        @test "dieser" in knn(wpd19, "der", 3)
        @test "wurden" in knn(wpd19, "wurde", 3)
    end

end