diff --git a/.busted b/.busted
new file mode 100644
index 0000000..98b97e5
--- /dev/null
+++ b/.busted
@@ -0,0 +1,13 @@
+return {
+  _all = {
+    coverage = false,
+    lpath = "lua/?.lua;lua/?/init.lua",
+    lua = "./tests/nvim-shim",
+  },
+  default = {
+    verbose = true,
+  },
+  tests = {
+    verbose = true,
+  },
+}
diff --git a/tests/minimal_init.vim b/tests/minimal_init.vim
new file mode 100644
index 0000000..36c8a86
--- /dev/null
+++ b/tests/minimal_init.vim
@@ -0,0 +1,2 @@
+set rtp+=.
+runtime! plugin/plenary.vim
diff --git a/tests/nvim-shim b/tests/nvim-shim
new file mode 100755
index 0000000..8dd6de6
--- /dev/null
+++ b/tests/nvim-shim
@@ -0,0 +1,3 @@
+#!/usr/bin/env sh
+
+nvim -l "$@"
diff --git a/tests/sorter_spec.lua b/tests/sorter_spec.lua
new file mode 100644
index 0000000..5bcd4c0
--- /dev/null
+++ b/tests/sorter_spec.lua
@@ -0,0 +1,19 @@
+describe("sort", function()
+  local sorter = require("artio").sorter
+  local lst = vim
+    .iter(ipairs({ "a", "b", "c" }))
+    :map(function(i, v)
+      return { id = i, v = v, text = v }
+    end)
+    :totable()
+
+  it("alphabet by a", function()
+    assert.equals(1, vim.tbl_get(sorter(lst, "a"), 1, 1))
+  end)
+  it("alphabet by b", function()
+    assert.equals(2, vim.tbl_get(sorter(lst, "b"), 2, 1))
+  end)
+  it("alphabet by c", function()
+    assert.equals(3, vim.tbl_get(sorter(lst, "c"), 3, 1))
+  end)
+end)