diff --git a/Artifacts.toml b/Artifacts.toml
new file mode 100644
index 0000000..6e07db6
--- /dev/null
+++ b/Artifacts.toml
@@ -0,0 +1,6 @@
+[wpd19_10000]
+git-tree-sha1 = "b4e4b99c090cdf72d6c8d1377f2d99259f8184ac"
+
+    [[wpd19_10000.download]]
+    sha256 = "c305219849482ffc7f01471bd8a23e16c321a35768f7568c6cbd35fece0e0171"
+    url = "https://korap.ids-mannheim.de/data/wpd19_10000.tar.bz2"
diff --git a/Project.toml b/Project.toml
index d14c3c4..1aa834f 100644
--- a/Project.toml
+++ b/Project.toml
@@ -19,4 +19,4 @@
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [targets]
-test = ["Test"]
+test = ["Test", "Pkg", "Artifacts"]
diff --git a/test/Artifacts.toml b/test/Artifacts.toml
new file mode 100644
index 0000000..6e07db6
--- /dev/null
+++ b/test/Artifacts.toml
@@ -0,0 +1,6 @@
+[wpd19_10000]
+git-tree-sha1 = "b4e4b99c090cdf72d6c8d1377f2d99259f8184ac"
+
+    [[wpd19_10000.download]]
+    sha256 = "c305219849482ffc7f01471bd8a23e16c321a35768f7568c6cbd35fece0e0171"
+    url = "https://korap.ids-mannheim.de/data/wpd19_10000.tar.bz2"
diff --git a/test/Manifest.toml b/test/Manifest.toml
new file mode 100644
index 0000000..92c5904
--- /dev/null
+++ b/test/Manifest.toml
@@ -0,0 +1,120 @@
+# This file is machine-generated - editing it directly is not advised
+
+julia_version = "1.7.3"
+manifest_format = "2.0"
+
+[[deps.ArgTools]]
+uuid = "0dad84c5-d112-42e6-8d28-ef12dabb789f"
+
+[[deps.Artifacts]]
+uuid = "56f22d72-fd6d-98f1-02f0-08ddc0907c33"
+
+[[deps.Base64]]
+uuid = "2a0f44e3-6c83-55bd-87e4-b1978d98bd5f"
+
+[[deps.Dates]]
+deps = ["Printf"]
+uuid = "ade2ca70-3891-5945-98fb-dc099432e06a"
+
+[[deps.Downloads]]
+deps = ["ArgTools", "FileWatching", "LibCURL", "NetworkOptions"]
+uuid = "f43a241f-c20a-4ad4-852c-f6b1247861c6"
+
+[[deps.FileWatching]]
+uuid = "7b1f6079-737a-58dc-b8bc-7a2ca5c1b5ee"
+
+[[deps.InteractiveUtils]]
+deps = ["Markdown"]
+uuid = "b77e0a4c-d291-57a0-90e8-8db25a27a240"
+
+[[deps.LibCURL]]
+deps = ["LibCURL_jll", "MozillaCACerts_jll"]
+uuid = "b27032c2-a3e7-50c8-80cd-2d36dbcbfd21"
+
+[[deps.LibCURL_jll]]
+deps = ["Artifacts", "LibSSH2_jll", "Libdl", "MbedTLS_jll", "Zlib_jll", "nghttp2_jll"]
+uuid = "deac9b47-8bc7-5906-a0fe-35ac56dc84c0"
+
+[[deps.LibGit2]]
+deps = ["Base64", "NetworkOptions", "Printf", "SHA"]
+uuid = "76f85450-5226-5b5a-8eaa-529ad045b433"
+
+[[deps.LibSSH2_jll]]
+deps = ["Artifacts", "Libdl", "MbedTLS_jll"]
+uuid = "29816b5a-b9ab-546f-933c-edad1886dfa8"
+
+[[deps.Libdl]]
+uuid = "8f399da3-3557-5675-b5ff-fb832c97cbdb"
+
+[[deps.Logging]]
+uuid = "56ddb016-857b-54e1-b83d-db4d58db5568"
+
+[[deps.Markdown]]
+deps = ["Base64"]
+uuid = "d6f4376e-aef5-505a-96c1-9c027394607a"
+
+[[deps.MbedTLS_jll]]
+deps = ["Artifacts", "Libdl"]
+uuid = "c8ffd9c3-330d-5841-b78e-0817d7145fa1"
+
+[[deps.MozillaCACerts_jll]]
+uuid = "14a3606d-f60d-562e-9121-12d972cd8159"
+
+[[deps.NetworkOptions]]
+uuid = "ca575930-c2e3-43a9-ace4-1e988b2c1908"
+
+[[deps.Pkg]]
+deps = ["Artifacts", "Dates", "Downloads", "LibGit2", "Libdl", "Logging", "Markdown", "Printf", "REPL", "Random", "SHA", "Serialization", "TOML", "Tar", "UUIDs", "p7zip_jll"]
+uuid = "44cfe95a-1eb2-52ea-b672-e2afdf69b78f"
+
+[[deps.Printf]]
+deps = ["Unicode"]
+uuid = "de0858da-6303-5e67-8744-51eddeeeb8d7"
+
+[[deps.REPL]]
+deps = ["InteractiveUtils", "Markdown", "Sockets", "Unicode"]
+uuid = "3fa0cd96-eef1-5676-8a61-b3b8758bbffb"
+
+[[deps.Random]]
+deps = ["SHA", "Serialization"]
+uuid = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
+
+[[deps.SHA]]
+uuid = "ea8e919c-243c-51af-8825-aaa63cd721ce"
+
+[[deps.Serialization]]
+uuid = "9e88b42a-f829-5b0c-bbe9-9e923198166b"
+
+[[deps.Sockets]]
+uuid = "6462fe0b-24de-5631-8697-dd941f90decc"
+
+[[deps.TOML]]
+deps = ["Dates"]
+uuid = "fa267f1f-6049-4f14-aa54-33bafae1ed76"
+
+[[deps.Tar]]
+deps = ["ArgTools", "SHA"]
+uuid = "a4e569a6-e804-4fa4-b0f3-eef7a1d5b13e"
+
+[[deps.Test]]
+deps = ["InteractiveUtils", "Logging", "Random", "Serialization"]
+uuid = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
+
+[[deps.UUIDs]]
+deps = ["Random", "SHA"]
+uuid = "cf7118a7-6976-5b1a-9a39-7adc72f591a4"
+
+[[deps.Unicode]]
+uuid = "4ec0a83e-493e-50e2-b9ac-8f72acf5a8f5"
+
+[[deps.Zlib_jll]]
+deps = ["Libdl"]
+uuid = "83775a58-1f1d-513f-b197-d71354ab007a"
+
+[[deps.nghttp2_jll]]
+deps = ["Artifacts", "Libdl"]
+uuid = "8e850ede-7688-5339-a07c-302acd2aaf8d"
+
+[[deps.p7zip_jll]]
+deps = ["Artifacts", "Libdl"]
+uuid = "3f19e933-33d8-53b3-aaab-bd5110c3b7a0"
diff --git a/test/Project.toml b/test/Project.toml
new file mode 100644
index 0000000..2a9125d
--- /dev/null
+++ b/test/Project.toml
@@ -0,0 +1,4 @@
+[deps]
+Artifacts = "56f22d72-fd6d-98f1-02f0-08ddc0907c33"
+Pkg = "44cfe95a-1eb2-52ea-b672-e2afdf69b78f"
+Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
diff --git a/test/runtests.jl b/test/runtests.jl
index e46931e..c2834ad 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -1,6 +1,27 @@
+using Artifacts
 using DerekoVecs
 using Test
 
+
 @testset "DerekoVecs.jl" begin
-    # Write your tests here.
+
+    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")
+    end
+
+    @testset "DerekoVecs.jl: knn" begin
+        @test "dieser" in knn(wpd19, "der", 3)
+        @test "wurden" in knn(wpd19, "wurde", 3)
+    end
+
 end