lazy.nvim/tests/core/util_spec.lua

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local Cache = require("lazy.core.cache")
local Helpers = require("tests.helpers")
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local Util = require("lazy.util")
describe("util", function()
local rtp = vim.opt.rtp:get()
before_each(function()
vim.opt.rtp = rtp
for k, v in pairs(package.loaded) do
if k:find("^foobar") then
package.loaded[k] = nil
end
end
Helpers.fs_rm("")
assert(not vim.uv.fs_stat(Helpers.path("")), "fs root should be deleted")
end)
it("lsmod lists all mods in dir", function()
vim.opt.rtp:append(Helpers.path(""))
local tests = {
{
root = "lua/foo",
mod = "foo",
files = { "lua/foo/one.lua", "lua/foo/two.lua", "lua/foo/init.lua" },
mods = { "foo.one", "foo.two", "foo" },
},
{
root = "lua/foo",
mod = "foo",
files = { "lua/foo/one.lua", "lua/foo/two.lua", "lua/foo.lua" },
mods = { "foo.one", "foo.two", "foo" },
},
{
root = "lua/foo",
mod = "foo",
files = { "lua/foo/one.lua", "lua/foo/two.lua" },
mods = { "foo.one", "foo.two" },
},
{
root = "lua/load-plugins",
mod = "load-plugins",
files = { "lua/load-plugins.lua" },
mods = { "load-plugins" },
},
}
for t, test in ipairs(tests) do
local expected = vim.deepcopy(test.mods)
table.sort(expected)
Helpers.fs_rm("")
local files = Helpers.fs_create(test.files)
-- test with empty cache
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Cache.reset()
local root = Util.find_root(test.mod)
assert(root, "no root found for " .. test.mod .. " (test " .. t .. ")")
assert.same(Helpers.path(test.root), root)
local mods = {}
Util.lsmod(test.mod, function(modname, modpath)
mods[#mods + 1] = modname
end)
table.sort(mods)
assert.same(expected, mods)
-- fill the cache
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Cache.reset()
root = Util.find_root(test.mod)
assert(root, "no root found for " .. test.mod .. " (test " .. t .. ")")
assert.same(Helpers.path(test.root), root)
mods = {}
Util.lsmod(test.mod, function(modname, modpath)
mods[#mods + 1] = modname
end)
table.sort(mods)
assert.same(expected, mods)
end
end)
it("find the correct root with dels", function()
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Cache.reset()
vim.opt.rtp:append(Helpers.path("old"))
Helpers.fs_create({ "old/lua/foobar/init.lua" })
local root = Util.find_root("foobar")
assert(root, "foobar root not found")
assert.same(Helpers.path("old/lua/foobar"), root)
Helpers.fs_rm("old")
assert(not vim.uv.fs_stat(Helpers.path("old/lua/foobar")), "old/lua/foobar should not exist")
-- vim.opt.rtp = rtp
vim.opt.rtp:append(Helpers.path("new"))
Helpers.fs_create({ "new/lua/foobar/init.lua" })
root = Util.find_root("foobar")
assert(root, "foobar root not found")
assert.same(Helpers.path("new/lua/foobar"), root)
end)
it("merges correctly", function()
local tests = {
{
input = { { a = 1 }, { b = 2 } },
output = { a = 1, b = 2 },
},
{
input = { nil, { a = 1 }, { b = 2 } },
output = { a = 1, b = 2 },
},
{
input = { { a = 1 }, { b = 2 }, nil },
output = { a = 1, b = 2 },
},
{
input = { { a = 1 }, nil, { b = 2 } },
output = { a = 1, b = 2 },
},
{
input = { nil, { a = 1 }, nil, { b = 2 }, nil },
output = { a = 1, b = 2 },
},
{
input = { { a = 1 }, { a = 2 } },
output = { a = 2 },
},
{
input = { { a = { 1, 2 } }, { a = { 3 } } },
output = { a = { 3 } },
},
{
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input = { { b = { 1, 2 } }, { a = { 3 }, b = vim.NIL } },
output = { a = { 3 } },
},
{
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input = { { a = 1 }, { b = 2, a = vim.NIL } },
output = { b = 2 },
},
}
for _, test in ipairs(tests) do
local n = 0
for i in pairs(test.input) do
n = math.max(n, i)
end
assert.same(test.output, Util.merge(unpack(test.input, 1, n)))
end
end)
end)