Meh I'll figure out submodules later

.config/nvim/pack/tree/start/neo-tree.nvim/tests/neo-tree/keymap/normalization_spec.lua

@@ -0,0 +1,43 @@
+local helper = require("neo-tree.setup.mapping-helper")
+describe("keymap normalization", function()
+  it("passes basic tests", function()
+    local tests = {
+      { "<BS>", "<bs>" },
+      { "<Backspace>", "<bs>" },
+      { "<Enter>", "<cr>" },
+      { "<C-W>", "<c-W>" },
+      { "<A-q>", "<m-q>" },
+      { "<C-Left>", "<c-left>" },
+      { "<C-Right>", "<c-right>" },
+      { "<C-Up>", "<c-up>" },
+    }
+    for _, test in ipairs(tests) do
+      local key = helper.normalize_map_key(test[1])
+      assert(key == test[2], string.format("%s != %s", key, test[2]))
+    end
+  end)
+  it("allows for proper merging", function()
+    local defaults = helper.normalize_mappings({
+      ["n"] = "n",
+      ["<Esc>"] = "escape",
+      ["<C-j>"] = "j",
+      ["<c-J>"] = "capital_j",
+      ["a"] = "keep_this",
+    })
+    local new = helper.normalize_mappings({
+      ["n"] = "n",
+      ["<ESC>"] = "escape",
+      ["<c-j>"] = "j",
+      ["b"] = "override_this",
+    })
+    local merged = vim.tbl_deep_extend("force", defaults, new)
+    assert.are.same({
+      ["n"] = "n",
+      ["<esc>"] = "escape",
+      ["<c-j>"] = "j",
+      ["<c-J>"] = "capital_j",
+      ["a"] = "keep_this",
+      ["b"] = "override_this",
+    }, merged)
+  end)
+end)