refactor: format test/*

9 files changed, 625 insertions, 439 deletions

diff --git a/test/functional/plugin/lsp/codelens_spec.lua b/test/functional/plugin/lsp/codelens_spec.lua
index 3d7a15a191..29daf7a066 100644
--- a/test/functional/plugin/lsp/codelens_spec.lua
+++ b/test/functional/plugin/lsp/codelens_spec.lua
@@ -11,17 +11,21 @@ describe('vim.lsp.codelens', function()
   after_each(helpers.clear)
 
   it('on_codelens_stores_and_displays_lenses', function()
-    local fake_uri = "file:///fake/uri"
-    local bufnr = exec_lua([[
+    local fake_uri = 'file:///fake/uri'
+    local bufnr = exec_lua(
+      [[
       fake_uri = ...
       local bufnr = vim.uri_to_bufnr(fake_uri)
       local lines = {'So', 'many', 'lines'}
       vim.fn.bufload(bufnr)
       vim.api.nvim_buf_set_lines(bufnr, 0, -1, false, lines)
       return bufnr
-    ]], fake_uri)
+    ]],
+      fake_uri
+    )
 
-    exec_lua([[
+    exec_lua(
+      [[
       local bufnr = ...
       local lenses = {
         {
@@ -33,14 +37,16 @@ describe('vim.lsp.codelens', function()
         },
       }
       vim.lsp.codelens.on_codelens(nil, lenses, {method='textDocument/codeLens', client_id=1, bufnr=bufnr})
-    ]], bufnr)
+    ]],
+      bufnr
+    )
 
     local stored_lenses = exec_lua('return vim.lsp.codelens.get(...)', bufnr)
     local expected = {
       {
         range = {
           start = { line = 0, character = 0 },
-          ['end'] = { line = 0, character = 0 }
+          ['end'] = { line = 0, character = 0 },
         },
         command = {
           title = 'Lens1',
@@ -50,28 +56,35 @@ describe('vim.lsp.codelens', function()
     }
     eq(expected, stored_lenses)
 
-    local virtual_text_chunks = exec_lua([[
+    local virtual_text_chunks = exec_lua(
+      [[
       local bufnr = ...
       local ns = vim.lsp.codelens.__namespaces[1]
       local extmarks = vim.api.nvim_buf_get_extmarks(bufnr, ns, 0, -1, {})
       return vim.api.nvim_buf_get_extmark_by_id(bufnr, ns, extmarks[1][1], { details = true })[3].virt_text
-    ]], bufnr)
+    ]],
+      bufnr
+    )
 
-    eq({[1] = {'Lens1', 'LspCodeLens'}}, virtual_text_chunks)
+    eq({ [1] = { 'Lens1', 'LspCodeLens' } }, virtual_text_chunks)
   end)
 
   it('can clear all lens', function()
-    local fake_uri = "file:///fake/uri"
-    local bufnr = exec_lua([[
+    local fake_uri = 'file:///fake/uri'
+    local bufnr = exec_lua(
+      [[
       fake_uri = ...
       local bufnr = vim.uri_to_bufnr(fake_uri)
       local lines = {'So', 'many', 'lines'}
       vim.fn.bufload(bufnr)
       vim.api.nvim_buf_set_lines(bufnr, 0, -1, false, lines)
       return bufnr
-    ]], fake_uri)
+    ]],
+      fake_uri
+    )
 
-    exec_lua([[
+    exec_lua(
+      [[
       local bufnr = ...
       local lenses = {
         {
@@ -83,7 +96,9 @@ describe('vim.lsp.codelens', function()
         },
       }
       vim.lsp.codelens.on_codelens(nil, lenses, {method='textDocument/codeLens', client_id=1, bufnr=bufnr})
-    ]], bufnr)
+    ]],
+      bufnr
+    )
 
     local stored_lenses = exec_lua('return vim.lsp.codelens.get(...)', bufnr)
     eq(1, #stored_lenses)
diff --git a/test/functional/plugin/lsp/completion_spec.lua b/test/functional/plugin/lsp/completion_spec.lua
index 9354654afe..b49f970385 100644
--- a/test/functional/plugin/lsp/completion_spec.lua
+++ b/test/functional/plugin/lsp/completion_spec.lua
@@ -3,7 +3,6 @@ local helpers = require('test.functional.helpers')(after_each)
 local eq = helpers.eq
 local exec_lua = helpers.exec_lua
 
-
 --- Convert completion results.
 ---
 ---@param line string line contents. Mark cursor position with `|`
@@ -13,9 +12,10 @@ local exec_lua = helpers.exec_lua
 local function complete(line, candidates, lnum)
   lnum = lnum or 0
   -- nvim_win_get_cursor returns 0 based column, line:find returns 1 based
-  local cursor_col = line:find("|") - 1
-  line = line:gsub("|", "")
-  return exec_lua([[
+  local cursor_col = line:find('|') - 1
+  line = line:gsub('|', '')
+  return exec_lua(
+    [[
     local line, cursor_col, lnum, result = ...
     local line_to_cursor = line:sub(1, cursor_col)
     local client_start_boundary = vim.fn.match(line_to_cursor, '\\k*$')
@@ -32,18 +32,22 @@ local function complete(line, candidates, lnum)
       items = items,
       server_start_boundary = server_start_boundary
     }
-  ]], line, cursor_col, lnum, candidates)
+  ]],
+    line,
+    cursor_col,
+    lnum,
+    candidates
+  )
 end
 
-
-describe("vim.lsp._completion", function()
+describe('vim.lsp._completion', function()
   before_each(helpers.clear)
 
   -- https://microsoft.github.io/language-server-protocol/specifications/specification-current/#textDocument_completion
   it('prefers textEdit over label as word', function()
     local range0 = {
       start = { line = 0, character = 0 },
-      ["end"] = { line = 0, character = 0 },
+      ['end'] = { line = 0, character = 0 },
     }
     local completion_list = {
       -- resolves into label
@@ -57,7 +61,12 @@ describe("vim.lsp._completion", function()
       { label = 'foocar', sortText = 'c', insertText = 'foobar' },
       { label = 'foocar', sortText = 'd', insertText = 'foobar' },
       -- resolves into textEdit.newText
-      { label = 'foocar', sortText = 'e', insertText = 'foodar', textEdit = { newText = 'foobar', range = range0 } },
+      {
+        label = 'foocar',
+        sortText = 'e',
+        insertText = 'foodar',
+        textEdit = { newText = 'foobar', range = range0 },
+      },
       { label = 'foocar', sortText = 'f', textEdit = { newText = 'foobar', range = range0 } },
       -- real-world snippet text
       {
@@ -65,7 +74,10 @@ describe("vim.lsp._completion", function()
         sortText = 'g',
         insertText = 'foodar',
         insertTextFormat = 2,
-        textEdit = { newText = 'foobar(${1:place holder}, ${2:more ...holder{\\}})', range = range0 },
+        textEdit = {
+          newText = 'foobar(${1:place holder}, ${2:more ...holder{\\}})',
+          range = range0,
+        },
       },
       {
         label = 'foocar',
@@ -81,7 +93,7 @@ describe("vim.lsp._completion", function()
         insertTextFormat = 2,
       },
       -- braced tabstop
-      { label = 'foocar', sortText = 'j', insertText = 'foodar()${0}', insertTextFormat = 2},
+      { label = 'foocar', sortText = 'j', insertText = 'foodar()${0}', insertTextFormat = 2 },
       -- plain text
       {
         label = 'foocar',
@@ -140,32 +152,32 @@ describe("vim.lsp._completion", function()
     result = vim.tbl_map(function(x)
       return {
         abbr = x.abbr,
-        word = x.word
+        word = x.word,
       }
     end, result.items)
     eq(expected, result)
   end)
-  it("uses correct start boundary", function()
+  it('uses correct start boundary', function()
     local completion_list = {
       isIncomplete = false,
       items = {
         {
-          filterText = "this_thread",
-          insertText = "this_thread",
+          filterText = 'this_thread',
+          insertText = 'this_thread',
           insertTextFormat = 1,
           kind = 9,
-          label = " this_thread",
+          label = ' this_thread',
           score = 1.3205767869949,
-          sortText = "4056f757this_thread",
+          sortText = '4056f757this_thread',
           textEdit = {
-            newText = "this_thread",
+            newText = 'this_thread',
             range = {
               start = { line = 0, character = 7 },
-              ["end"] = { line = 0, character = 11 },
+              ['end'] = { line = 0, character = 11 },
             },
-          }
+          },
         },
-      }
+      },
     }
     local expected = {
       abbr = ' this_thread',
@@ -176,50 +188,50 @@ describe("vim.lsp._completion", function()
       menu = '',
       word = 'this_thread',
     }
-    local result = complete("  std::this|", completion_list)
+    local result = complete('  std::this|', completion_list)
     eq(7, result.server_start_boundary)
     local item = result.items[1]
     item.user_data = nil
     eq(expected, item)
   end)
 
-  it("should search from start boundary to cursor position", function()
+  it('should search from start boundary to cursor position', function()
     local completion_list = {
       isIncomplete = false,
       items = {
         {
-          filterText = "this_thread",
-          insertText = "this_thread",
+          filterText = 'this_thread',
+          insertText = 'this_thread',
           insertTextFormat = 1,
           kind = 9,
-          label = " this_thread",
+          label = ' this_thread',
           score = 1.3205767869949,
-          sortText = "4056f757this_thread",
+          sortText = '4056f757this_thread',
           textEdit = {
-            newText = "this_thread",
+            newText = 'this_thread',
             range = {
               start = { line = 0, character = 7 },
-              ["end"] = { line = 0, character = 11 },
+              ['end'] = { line = 0, character = 11 },
             },
-          }
+          },
         },
         {
-          filterText = "notthis_thread",
-          insertText = "notthis_thread",
+          filterText = 'notthis_thread',
+          insertText = 'notthis_thread',
           insertTextFormat = 1,
           kind = 9,
-          label = " notthis_thread",
+          label = ' notthis_thread',
           score = 1.3205767869949,
-          sortText = "4056f757this_thread",
+          sortText = '4056f757this_thread',
           textEdit = {
-            newText = "notthis_thread",
+            newText = 'notthis_thread',
             range = {
               start = { line = 0, character = 7 },
-              ["end"] = { line = 0, character = 11 },
+              ['end'] = { line = 0, character = 11 },
             },
-          }
+          },
         },
-      }
+      },
     }
     local expected = {
       abbr = ' this_thread',
@@ -230,7 +242,7 @@ describe("vim.lsp._completion", function()
       menu = '',
       word = 'this_thread',
     }
-    local result = complete("  std::this|is", completion_list)
+    local result = complete('  std::this|is', completion_list)
     eq(1, #result.items)
     local item = result.items[1]
     item.user_data = nil
diff --git a/test/functional/plugin/lsp/diagnostic_spec.lua b/test/functional/plugin/lsp/diagnostic_spec.lua
index 1da0222114..ee8dfc7a60 100644
--- a/test/functional/plugin/lsp/diagnostic_spec.lua
+++ b/test/functional/plugin/lsp/diagnostic_spec.lua
@@ -12,10 +12,10 @@ describe('vim.lsp.diagnostic', function()
   local fake_uri
 
   before_each(function()
-    clear {env={
-      NVIM_LUA_NOTRACK="1";
-      VIMRUNTIME=os.getenv"VIMRUNTIME";
-    }}
+    clear { env = {
+      NVIM_LUA_NOTRACK = '1',
+      VIMRUNTIME = os.getenv 'VIMRUNTIME',
+    } }
 
     exec_lua [[
       require('vim.lsp')
@@ -76,9 +76,10 @@ describe('vim.lsp.diagnostic', function()
       }
     ]]
 
-    fake_uri = "file:///fake/uri"
+    fake_uri = 'file:///fake/uri'
 
-    exec_lua([[
+    exec_lua(
+      [[
       fake_uri = ...
       diagnostic_bufnr = vim.uri_to_bufnr(fake_uri)
       local lines = {"1st line of text", "2nd line of text", "wow", "cool", "more", "lines"}
@@ -86,7 +87,9 @@ describe('vim.lsp.diagnostic', function()
       vim.api.nvim_buf_set_lines(diagnostic_bufnr, 0, 1, false, lines)
       vim.api.nvim_win_set_buf(0, diagnostic_bufnr)
       return diagnostic_bufnr
-    ]], fake_uri)
+    ]],
+      fake_uri
+    )
   end)
 
   after_each(function()
@@ -113,17 +116,18 @@ describe('vim.lsp.diagnostic', function()
           vim.lsp.diagnostic.get_line_diagnostics(diagnostic_bufnr, 1)[1],
         }
       ]]
-      eq({code = 42, data = "Hello world"}, result[1].user_data.lsp)
+      eq({ code = 42, data = 'Hello world' }, result[1].user_data.lsp)
       eq(42, result[1].code)
       eq(42, result[2].code)
-      eq("Hello world", result[2].data)
+      eq('Hello world', result[2].data)
     end)
   end)
 
-  describe("vim.lsp.diagnostic.on_publish_diagnostics", function()
+  describe('vim.lsp.diagnostic.on_publish_diagnostics', function()
     it('allows configuring the virtual text via vim.lsp.with', function()
       local expected_spacing = 10
-      local extmarks = exec_lua([[
+      local extmarks = exec_lua(
+        [[
         PublishDiagnostics = vim.lsp.with(vim.lsp.diagnostic.on_publish_diagnostics, {
           virtual_text = {
             spacing = ...,
@@ -139,7 +143,9 @@ describe('vim.lsp.diagnostic', function()
         )
 
         return get_extmarks(diagnostic_bufnr, client_id)
-      ]], expected_spacing)
+      ]],
+        expected_spacing
+      )
 
       local virt_text = extmarks[1][4].virt_text
       local spacing = virt_text[1][1]
@@ -149,7 +155,8 @@ describe('vim.lsp.diagnostic', function()
 
     it('allows configuring the virtual text via vim.lsp.with using a function', function()
       local expected_spacing = 10
-      local extmarks = exec_lua([[
+      local extmarks = exec_lua(
+        [[
         spacing = ...
 
         PublishDiagnostics = vim.lsp.with(vim.lsp.diagnostic.on_publish_diagnostics, {
@@ -169,7 +176,9 @@ describe('vim.lsp.diagnostic', function()
         )
 
         return get_extmarks(diagnostic_bufnr, client_id)
-      ]], expected_spacing)
+      ]],
+        expected_spacing
+      )
 
       local virt_text = extmarks[1][4].virt_text
       local spacing = virt_text[1][1]
@@ -179,7 +188,8 @@ describe('vim.lsp.diagnostic', function()
 
     it('allows filtering via severity limit', function()
       local get_extmark_count_with_severity = function(severity_limit)
-        return exec_lua([[
+        return exec_lua(
+          [[
           PublishDiagnostics = vim.lsp.with(vim.lsp.diagnostic.on_publish_diagnostics, {
             underline = false,
             virtual_text = {
@@ -196,20 +206,23 @@ describe('vim.lsp.diagnostic', function()
           )
 
           return #get_extmarks(diagnostic_bufnr, client_id)
-        ]], severity_limit)
+        ]],
+          severity_limit
+        )
       end
 
       -- No messages with Error or higher
-      eq(0, get_extmark_count_with_severity("Error"))
+      eq(0, get_extmark_count_with_severity('Error'))
 
       -- But now we don't filter it
-      eq(1, get_extmark_count_with_severity("Warning"))
-      eq(1, get_extmark_count_with_severity("Hint"))
+      eq(1, get_extmark_count_with_severity('Warning'))
+      eq(1, get_extmark_count_with_severity('Hint'))
     end)
 
     it('correctly handles UTF-16 offsets', function()
-      local line = "All 💼 and no 🎉 makes Jack a dull 👦"
-      local result = exec_lua([[
+      local line = 'All 💼 and no 🎉 makes Jack a dull 👦'
+      local result = exec_lua(
+        [[
         local line = ...
         vim.api.nvim_buf_set_lines(diagnostic_bufnr, 0, -1, false, {line})
 
@@ -225,7 +238,9 @@ describe('vim.lsp.diagnostic', function()
         vim.lsp.stop_client(client_id)
         vim.api.nvim_exec_autocmds('VimLeavePre', { modeline = false })
         return diags
-      ]], line)
+      ]],
+        line
+      )
       eq(1, #result)
       eq(exec_lua([[return vim.str_byteindex(..., 7, true)]], line), result[1].col)
       eq(exec_lua([[return vim.str_byteindex(..., 8, true)]], line), result[1].end_col)
diff --git a/test/functional/plugin/lsp/handler_spec.lua b/test/functional/plugin/lsp/handler_spec.lua
index 3086c23fe8..56e29e7337 100644
--- a/test/functional/plugin/lsp/handler_spec.lua
+++ b/test/functional/plugin/lsp/handler_spec.lua
@@ -8,21 +8,30 @@ local matches = helpers.matches
 describe('lsp-handlers', function()
   describe('vim.lsp._with_extend', function()
     it('should return a table with the default keys', function()
-      eq({hello = 'world' }, exec_lua [[
+      eq(
+        { hello = 'world' },
+        exec_lua [[
         return vim.lsp._with_extend('test', { hello = 'world' })
-      ]])
+      ]]
+      )
     end)
 
     it('should override with config keys', function()
-      eq({hello = 'universe', other = true}, exec_lua [[
+      eq(
+        { hello = 'universe', other = true },
+        exec_lua [[
         return vim.lsp._with_extend('test', { other = true, hello = 'world' }, { hello = 'universe' })
-      ]])
+      ]]
+      )
     end)
 
     it('should not allow invalid keys', function()
       matches(
         '.*Invalid option for `test`.*',
-        pcall_err(exec_lua, "return vim.lsp._with_extend('test', { hello = 'world' }, { invalid = true })")
+        pcall_err(
+          exec_lua,
+          "return vim.lsp._with_extend('test', { hello = 'world' }, { invalid = true })"
+        )
       )
     end)
   end)
diff --git a/test/functional/plugin/lsp/helpers.lua b/test/functional/plugin/lsp/helpers.lua
index 15e6a62781..f641b42727 100644
--- a/test/functional/plugin/lsp/helpers.lua
+++ b/test/functional/plugin/lsp/helpers.lua
@@ -11,11 +11,13 @@ local M = {}
 function M.clear_notrace()
   -- problem: here be dragons
   -- solution: don't look too closely for dragons
-  clear {env={
-    NVIM_LUA_NOTRACK="1";
-    NVIM_APPNAME="nvim_lsp_test";
-    VIMRUNTIME=os.getenv"VIMRUNTIME";
-  }}
+  clear {
+    env = {
+      NVIM_LUA_NOTRACK = '1',
+      NVIM_APPNAME = 'nvim_lsp_test',
+      VIMRUNTIME = os.getenv 'VIMRUNTIME',
+    },
+  }
 end
 
 M.create_server_definition = [[
@@ -79,7 +81,8 @@ M.fake_lsp_code = 'test/functional/fixtures/fake-lsp-server.lua'
 M.fake_lsp_logfile = 'Xtest-fake-lsp.log'
 
 local function fake_lsp_server_setup(test_name, timeout_ms, options, settings)
-  exec_lua([=[
+  exec_lua(
+    [=[
     lsp = require('vim.lsp')
     local test_name, fake_lsp_code, fake_lsp_logfile, timeout, options, settings = ...
     TEST_RPC_CLIENT_ID = lsp.start_client {
@@ -115,33 +118,49 @@ local function fake_lsp_server_setup(test_name, timeout_ms, options, settings)
         vim.rpcnotify(1, "exit", ...)
       end;
     }
-  ]=], test_name, M.fake_lsp_code, M.fake_lsp_logfile, timeout_ms or 1e3, options or {}, settings or {})
+  ]=],
+    test_name,
+    M.fake_lsp_code,
+    M.fake_lsp_logfile,
+    timeout_ms or 1e3,
+    options or {},
+    settings or {}
+  )
 end
 
 function M.test_rpc_server(config)
   if config.test_name then
     M.clear_notrace()
-    fake_lsp_server_setup(config.test_name, config.timeout_ms or 1e3, config.options, config.settings)
+    fake_lsp_server_setup(
+      config.test_name,
+      config.timeout_ms or 1e3,
+      config.options,
+      config.settings
+    )
   end
   local client = setmetatable({}, {
     __index = function(_, name)
       -- Workaround for not being able to yield() inside __index for Lua 5.1 :(
       -- Otherwise I would just return the value here.
       return function(...)
-        return exec_lua([=[
+        return exec_lua(
+          [=[
         local name = ...
         if type(TEST_RPC_CLIENT[name]) == 'function' then
           return TEST_RPC_CLIENT[name](select(2, ...))
         else
           return TEST_RPC_CLIENT[name]
         end
-        ]=], name, ...)
+        ]=],
+          name,
+          ...
+        )
       end
-    end;
+    end,
   })
   local code, signal
   local function on_request(method, args)
-    if method == "init" then
+    if method == 'init' then
       if config.on_init then
         config.on_init(client, unpack(args))
       end
diff --git a/test/functional/plugin/lsp/incremental_sync_spec.lua b/test/functional/plugin/lsp/incremental_sync_spec.lua
index 724b3efb97..9b33f4451e 100644
--- a/test/functional/plugin/lsp/incremental_sync_spec.lua
+++ b/test/functional/plugin/lsp/incremental_sync_spec.lua
@@ -7,7 +7,7 @@ local eq = helpers.eq
 local exec_lua = helpers.exec_lua
 local feed = helpers.feed
 
-before_each(function ()
+before_each(function()
   clear()
   exec_lua [[
     local evname = ...
@@ -52,19 +52,24 @@ before_each(function ()
   ]]
 end)
 
-local function test_edit(prev_buffer, edit_operations, expected_text_changes, offset_encoding, line_ending)
+local function test_edit(
+  prev_buffer,
+  edit_operations,
+  expected_text_changes,
+  offset_encoding,
+  line_ending
+)
   offset_encoding = offset_encoding or 'utf-16'
   line_ending = line_ending or '\n'
 
   meths.buf_set_lines(0, 0, -1, true, prev_buffer)
-  exec_lua("return test_register(...)", 0, "test1", offset_encoding, line_ending)
+  exec_lua('return test_register(...)', 0, 'test1', offset_encoding, line_ending)
 
   for _, edit in ipairs(edit_operations) do
     feed(edit)
   end
-  eq(expected_text_changes, exec_lua("return get_events(...)" ))
+  eq(expected_text_changes, exec_lua('return get_events(...)'))
   exec_lua("test_unreg = 'test1'")
-
 end
 
 describe('incremental synchronization', function()
@@ -75,18 +80,18 @@ describe('incremental synchronization', function()
           range = {
             ['start'] = {
               character = 0,
-              line = 0
+              line = 0,
             },
             ['end'] = {
               character = 0,
-              line = 0
-            }
+              line = 0,
+            },
           },
           rangeLength = 0,
-          text = 'a'
-        }
+          text = 'a',
+        },
       }
-      test_edit({""}, {"ia"}, expected_text_changes, 'utf-16', '\n')
+      test_edit({ '' }, { 'ia' }, expected_text_changes, 'utf-16', '\n')
     end)
     it('inserting a character in the middle of a the first line', function()
       local expected_text_changes = {
@@ -94,18 +99,18 @@ describe('incremental synchronization', function()
           range = {
             ['start'] = {
               character = 1,
-              line = 0
+              line = 0,
             },
             ['end'] = {
               character = 1,
-              line = 0
-            }
+              line = 0,
+            },
           },
           rangeLength = 0,
-          text = 'a'
-        }
+          text = 'a',
+        },
       }
-      test_edit({"ab"}, {"lia"}, expected_text_changes, 'utf-16', '\n')
+      test_edit({ 'ab' }, { 'lia' }, expected_text_changes, 'utf-16', '\n')
     end)
     it('deleting the only character in a buffer', function()
       local expected_text_changes = {
@@ -113,18 +118,18 @@ describe('incremental synchronization', function()
           range = {
             ['start'] = {
               character = 0,
-              line = 0
+              line = 0,
             },
             ['end'] = {
               character = 1,
-              line = 0
-            }
+              line = 0,
+            },
           },
           rangeLength = 1,
-          text = ''
-        }
+          text = '',
+        },
       }
-      test_edit({"a"}, {"x"}, expected_text_changes, 'utf-16', '\n')
+      test_edit({ 'a' }, { 'x' }, expected_text_changes, 'utf-16', '\n')
     end)
     it('deleting a character in the middle of the line', function()
       local expected_text_changes = {
@@ -132,18 +137,18 @@ describe('incremental synchronization', function()
           range = {
             ['start'] = {
               character = 1,
-              line = 0
+              line = 0,
             },
             ['end'] = {
               character = 2,
-              line = 0
-            }
+              line = 0,
+            },
           },
           rangeLength = 1,
-          text = ''
-        }
+          text = '',
+        },
       }
-      test_edit({"abc"}, {"lx"}, expected_text_changes, 'utf-16', '\n')
+      test_edit({ 'abc' }, { 'lx' }, expected_text_changes, 'utf-16', '\n')
     end)
     it('replacing a character', function()
       local expected_text_changes = {
@@ -151,18 +156,18 @@ describe('incremental synchronization', function()
           range = {
             ['start'] = {
               character = 0,
-              line = 0
+              line = 0,
             },
             ['end'] = {
               character = 1,
-              line = 0
-            }
+              line = 0,
+            },
           },
           rangeLength = 1,
-          text = 'b'
-        }
+          text = 'b',
+        },
       }
-      test_edit({"a"}, {"rb"}, expected_text_changes, 'utf-16', '\n')
+      test_edit({ 'a' }, { 'rb' }, expected_text_changes, 'utf-16', '\n')
     end)
     it('deleting a line', function()
       local expected_text_changes = {
@@ -170,18 +175,18 @@ describe('incremental synchronization', function()
           range = {
             ['start'] = {
               character = 0,
-              line = 0
+              line = 0,
             },
             ['end'] = {
               character = 0,
-              line = 1
-            }
+              line = 1,
+            },
           },
           rangeLength = 12,
-          text = ''
-        }
+          text = '',
+        },
       }
-      test_edit({"hello world"}, {"dd"}, expected_text_changes, 'utf-16', '\n')
+      test_edit({ 'hello world' }, { 'dd' }, expected_text_changes, 'utf-16', '\n')
     end)
     it('deleting an empty line', function()
       local expected_text_changes = {
@@ -189,18 +194,18 @@ describe('incremental synchronization', function()
           range = {
             ['start'] = {
               character = 0,
-              line = 1
+              line = 1,
             },
             ['end'] = {
               character = 0,
-              line = 2
-            }
+              line = 2,
+            },
           },
           rangeLength = 1,
-          text = ''
-        }
+          text = '',
+        },
       }
-      test_edit({"hello world", ""}, {"jdd"}, expected_text_changes, 'utf-16', '\n')
+      test_edit({ 'hello world', '' }, { 'jdd' }, expected_text_changes, 'utf-16', '\n')
     end)
     it('adding a line', function()
       local expected_text_changes = {
@@ -212,14 +217,14 @@ describe('incremental synchronization', function()
             },
             ['end'] = {
               character = 0,
-              line = 1
-            }
+              line = 1,
+            },
           },
           rangeLength = 1,
-          text = '\nhello world\n'
-        }
+          text = '\nhello world\n',
+        },
       }
-      test_edit({"hello world"}, {"yyp"}, expected_text_changes, 'utf-16', '\n')
+      test_edit({ 'hello world' }, { 'yyp' }, expected_text_changes, 'utf-16', '\n')
     end)
     it('adding an empty line', function()
       local expected_text_changes = {
@@ -227,18 +232,18 @@ describe('incremental synchronization', function()
           range = {
             ['start'] = {
               character = 11,
-              line = 0
+              line = 0,
             },
             ['end'] = {
               character = 0,
-              line = 1
-            }
+              line = 1,
+            },
           },
           rangeLength = 1,
-          text = '\n\n'
-        }
+          text = '\n\n',
+        },
       }
-      test_edit({"hello world"}, {"o"}, expected_text_changes, 'utf-16', '\n')
+      test_edit({ 'hello world' }, { 'o' }, expected_text_changes, 'utf-16', '\n')
     end)
     it('adding a line to an empty buffer', function()
       local expected_text_changes = {
@@ -246,18 +251,18 @@ describe('incremental synchronization', function()
           range = {
             ['start'] = {
               character = 0,
-              line = 0
+              line = 0,
             },
             ['end'] = {
               character = 0,
-              line = 1
-            }
+              line = 1,
+            },
           },
           rangeLength = 1,
-          text = '\n\n'
-        }
+          text = '\n\n',
+        },
       }
-      test_edit({""}, {"o"}, expected_text_changes, 'utf-16', '\n')
+      test_edit({ '' }, { 'o' }, expected_text_changes, 'utf-16', '\n')
     end)
     it('insert a line above the current line', function()
       local expected_text_changes = {
@@ -265,18 +270,18 @@ describe('incremental synchronization', function()
           range = {
             ['start'] = {
               character = 0,
-              line = 0
+              line = 0,
             },
             ['end'] = {
               character = 0,
-              line = 0
-            }
+              line = 0,
+            },
           },
           rangeLength = 0,
-          text = '\n'
-        }
+          text = '\n',
+        },
       }
-      test_edit({""}, {"O"}, expected_text_changes, 'utf-16', '\n')
+      test_edit({ '' }, { 'O' }, expected_text_changes, 'utf-16', '\n')
     end)
   end)
   describe('multi line edit', function()
@@ -287,115 +292,115 @@ describe('incremental synchronization', function()
           range = {
             ['start'] = {
               character = 4,
-              line = 1
+              line = 1,
             },
             ['end'] = {
               character = 9,
-              line = 1
-            }
+              line = 1,
+            },
           },
           rangeLength = 5,
-          text = ''
+          text = '',
         },
         -- delete "hello world\n" from line 2
         {
           range = {
             ['start'] = {
               character = 0,
-              line = 2
+              line = 2,
             },
             ['end'] = {
               character = 0,
-              line = 3
-            }
+              line = 3,
+            },
           },
           rangeLength = 12,
-          text = ''
+          text = '',
         },
         -- delete "1234" from beginning of line 2
         {
           range = {
             ['start'] = {
               character = 0,
-              line = 2
+              line = 2,
             },
             ['end'] = {
               character = 4,
-              line = 2
-            }
+              line = 2,
+            },
           },
           rangeLength = 4,
-          text = ''
+          text = '',
         },
         -- add " asdf" to end of line 1
         {
           range = {
             ['start'] = {
               character = 4,
-              line = 1
+              line = 1,
             },
             ['end'] = {
               character = 4,
-              line = 1
-            }
+              line = 1,
+            },
           },
           rangeLength = 0,
-          text = ' asdf'
+          text = ' asdf',
         },
         -- delete " asdf\n" from line 2
         {
           range = {
             ['start'] = {
               character = 0,
-              line = 2
+              line = 2,
             },
             ['end'] = {
               character = 0,
-              line = 3
-            }
+              line = 3,
+            },
           },
           rangeLength = 6,
-          text = ''