Revert "feat(lsp): implement workspace/didChangeWatchedFiles (#21293)"

This reverts commit 5732aa706c639b3d775573d91d1139f24624629c.

Causes editor to freeze in projects with many watcher registrations

1 files changed, 0 insertions, 195 deletions

diff --git a/test/functional/lua/watch_spec.lua b/test/functional/lua/watch_spec.lua
deleted file mode 100644
index 19bb411ce6..0000000000
--- a/test/functional/lua/watch_spec.lua
+++ /dev/null
@@ -1,195 +0,0 @@
-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 lfs = require('lfs')
-
-describe('vim._watch', function()
-  before_each(function()
-    clear()
-  end)
-
-  describe('watch', function()
-    it('detects file changes', function()
-      local root_dir = helpers.tmpname()
-      os.remove(root_dir)
-      lfs.mkdir(root_dir)
-
-      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()
-      local root_dir = helpers.tmpname()
-      os.remove(root_dir)
-      lfs.mkdir(root_dir)
-
-      local result = exec_lua(
-        [[
-        local root_dir = ...
-
-        local events = {}
-
-        local poll_interval_ms = 1000
-        local poll_wait_ms = poll_interval_ms+200
-
-        local expected_events = 0
-        local function wait_for_events()
-          assert(vim.wait(poll_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 stop = vim._watch.poll(root_dir, { interval = poll_interval_ms }, function(path, change_type)
-          table.insert(events, { path = path, change_type = change_type })
-        end)
-
-        -- polling generates Created events for the existing entries when it starts.
-        expected_events = expected_events + 1
-        wait_for_events()
-
-        local watched_path = root_dir .. '/file'
-        local watched, err = io.open(watched_path, 'w')
-        assert(not err, err)
-
-        expected_events = expected_events + 2
-        wait_for_events()
-
-        watched:close()
-        os.remove(watched_path)
-
-        expected_events = expected_events + 2
-        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(poll_wait_ms)
-
-        watched:close()
-        os.remove(watched_path)
-
-        return events
-      ]],
-        root_dir
-      )
-
-      eq(5, #result)
-      eq({
-        change_type = exec_lua([[return vim._watch.FileChangeType.Created]]),
-        path = root_dir,
-      }, result[1])
-      eq({
-        change_type = exec_lua([[return vim._watch.FileChangeType.Created]]),
-        path = root_dir .. '/file',
-      }, result[2])
-      eq({
-        change_type = exec_lua([[return vim._watch.FileChangeType.Changed]]),
-        path = root_dir,
-      }, result[3])
-      -- The file delete and corresponding directory change events do not happen in any
-      -- particular order, so allow either
-      if result[4].path == root_dir then
-        eq({
-          change_type = exec_lua([[return vim._watch.FileChangeType.Changed]]),
-          path = root_dir,
-        }, result[4])
-        eq({
-          change_type = exec_lua([[return vim._watch.FileChangeType.Deleted]]),
-          path = root_dir .. '/file',
-        }, result[5])
-      else
-        eq({
-          change_type = exec_lua([[return vim._watch.FileChangeType.Deleted]]),
-          path = root_dir .. '/file',
-        }, result[4])
-        eq({
-          change_type = exec_lua([[return vim._watch.FileChangeType.Changed]]),
-          path = root_dir,
-        }, result[5])
-      end
-    end)
-  end)
-end)