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local helpers = require('test.functional.helpers')(after_each)
local eq = helpers.eq
local exec_lua = helpers.exec_lua
local clear = helpers.clear
local is_os = helpers.is_os
local skip = helpers.skip
describe('vim._watch', function()
before_each(function()
clear()
end)
describe('watch', function()
it('detects file changes', function()
skip(is_os('bsd'), "Stopped working on bsd after 3ca967387c49c754561c3b11a574797504d40f38")
local root_dir = vim.uv.fs_mkdtemp(vim.fs.dirname(helpers.tmpname()) .. '/nvim_XXXXXXXXXX')
local result = exec_lua(
[[
local root_dir = ...
local events = {}
local expected_events = 0
local function wait_for_events()
assert(vim.wait(100, function() return #events == expected_events end), 'Timed out waiting for expected number of events. Current events seen so far: ' .. vim.inspect(events))
end
local stop = vim._watch.watch(root_dir, {}, function(path, change_type)
table.insert(events, { path = path, change_type = change_type })
end)
-- Only BSD seems to need some extra time for the watch to be ready to respond to events
if vim.fn.has('bsd') then
vim.wait(50)
end
local watched_path = root_dir .. '/file'
local watched, err = io.open(watched_path, 'w')
assert(not err, err)
expected_events = expected_events + 1
wait_for_events()
watched:close()
os.remove(watched_path)
expected_events = expected_events + 1
wait_for_events()
stop()
-- No events should come through anymore
local watched_path = root_dir .. '/file'
local watched, err = io.open(watched_path, 'w')
assert(not err, err)
vim.wait(50)
watched:close()
os.remove(watched_path)
vim.wait(50)
return events
]],
root_dir
)
local expected = {
{
change_type = exec_lua([[return vim._watch.FileChangeType.Created]]),
path = root_dir .. '/file',
},
{
change_type = exec_lua([[return vim._watch.FileChangeType.Deleted]]),
path = root_dir .. '/file',
},
}
-- kqueue only reports events on the watched path itself, so creating a file within a
-- watched directory results in a "rename" libuv event on the directory.
if is_os('bsd') then
expected = {
{
change_type = exec_lua([[return vim._watch.FileChangeType.Created]]),
path = root_dir,
},
{
change_type = exec_lua([[return vim._watch.FileChangeType.Created]]),
path = root_dir,
},
}
end
eq(expected, result)
end)
end)
describe('poll', function()
it('detects file changes', function()
skip(is_os('bsd'), "bsd only reports rename on folders if file inside change")
local root_dir = vim.uv.fs_mkdtemp(vim.fs.dirname(helpers.tmpname()) .. '/nvim_XXXXXXXXXX')
local result = exec_lua(
[[
local root_dir = ...
local lpeg = vim.lpeg
local events = {}
local debounce = 100
local wait_ms = debounce + 200
local expected_events = 0
local function wait_for_events()
assert(vim.wait(wait_ms, function() return #events == expected_events end), 'Timed out waiting for expected number of events. Current events seen so far: ' .. vim.inspect(events))
end
local incl = lpeg.P(root_dir) * lpeg.P("/file")^-1
local excl = lpeg.P(root_dir..'/file.unwatched')
local stop = vim._watch.poll(root_dir, {
debounce = debounce,
include_pattern = incl,
exclude_pattern = excl,
}, function(path, change_type)
table.insert(events, { path = path, change_type = change_type })
end)
local watched_path = root_dir .. '/file'
local watched, err = io.open(watched_path, 'w')
assert(not err, err)
local unwatched_path = root_dir .. '/file.unwatched'
local unwatched, err = io.open(unwatched_path, 'w')
assert(not err, err)
expected_events = expected_events + 1
wait_for_events()
watched:close()
os.remove(watched_path)
unwatched:close()
os.remove(unwatched_path)
expected_events = expected_events + 1
wait_for_events()
stop()
-- No events should come through anymore
local watched_path = root_dir .. '/file'
local watched, err = io.open(watched_path, 'w')
assert(not err, err)
watched:close()
os.remove(watched_path)
return events
]],
root_dir
)
local created = exec_lua([[return vim._watch.FileChangeType.Created]])
local deleted = exec_lua([[return vim._watch.FileChangeType.Deleted]])
local expected = {
{
change_type = created,
path = root_dir .. "/file",
},
{
change_type = deleted,
path = root_dir .. "/file",
}
}
eq(expected, result)
end)
end)
end)
|
