ivy.nvim/lua/ivy/register_backend_spec.lua

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local register_backend = require "ivy.register_backend"
local function get_command(name)
local command_iter = vim.api.nvim_get_commands {}
for _, cmd in pairs(command_iter) do
if cmd.name == name then
return cmd
end
end
return nil
end
local function get_keymap(mode, rhs)
local keymap_iter = vim.api.nvim_get_keymap(mode)
for _, keymap in pairs(keymap_iter) do
if keymap.rhs == rhs then
return keymap
end
end
return nil
end
describe("register_backend", function()
after_each(function()
vim.api.nvim_del_user_command "IvyFd"
local keymap = get_keymap("n", "<Cmd>IvyFd<CR>")
if keymap then
vim.api.nvim_del_keymap("n", keymap.lhs)
end
end)
it("registers a backend from a string with the default options", function()
register_backend "ivy.backends.files"
local command = get_command "IvyFd"
assert.is_not_nil(command)
local keymap = get_keymap("n", "<Cmd>IvyFd<CR>")
assert.is_not_nil(keymap)
end)
it("allows you to override the keymap", function()
register_backend("ivy.backends.files", { keymap = "<C-p>" })
local keymap = get_keymap("n", "<Cmd>IvyFd<CR>")
assert(keymap ~= nil)
assert.are.equal("<C-P>", keymap.lhs)
end)
it("allows you to pass in a hole backend module", function()
register_backend(require "ivy.backends.files")
local command = get_command "IvyFd"
assert.is_not_nil(command)
local keymap = get_keymap("n", "<Cmd>IvyFd<CR>")
assert.is_not_nil(keymap)
end)
it("allows you to pass in a hole backend module", function()
register_backend { "ivy.backends.files", { keymap = "<C-p>" } }
local keymap = get_keymap("n", "<Cmd>IvyFd<CR>")
assert(keymap ~= nil)
assert.are.equal("<C-P>", keymap.lhs)
end)
end)