From 11cb53391ba0131d2aaf935b713897bd75fa1f0f Mon Sep 17 00:00:00 2001
From: Lewis Russell <lewis6991@gmail.com>
Date: Wed, 3 Jul 2024 11:03:58 +0100
Subject: [PATCH] refactor(git): remove some code

---
 lua/gitsigns/actions.lua     |  2 +-
 lua/gitsigns/blame.lua       |  2 +-
 lua/gitsigns/git.lua         | 93 +++++++++++++-----------------------
 lua/gitsigns/git/blame.lua   |  2 +-
 test/actions_spec.lua        |  8 ++--
 test/gitdir_watcher_spec.lua |  6 +--
 test/gitsigns_spec.lua       | 45 ++++++++---------
 test/gs_helpers.lua          | 54 +++++++++------------
 test/highlights_spec.lua     | 41 +---------------
 test/unit_spec.lua           | 71 ---------------------------
 10 files changed, 84 insertions(+), 240 deletions(-)
 delete mode 100644 test/unit_spec.lua

diff --git a/lua/gitsigns/actions.lua b/lua/gitsigns/actions.lua
index c398f26bd..a7dc4bbd5 100644
--- a/lua/gitsigns/actions.lua
+++ b/lua/gitsigns/actions.lua
@@ -1019,7 +1019,7 @@ M.blame_line = async.create(1, function(opts)
   local blame_linespec = create_blame_fmt(is_committed, opts.full)
 
   if is_committed and opts.full then
-    local body = bcache.git_obj:command(
+    local body = bcache.git_obj.repo:command(
       { 'show', '-s', '--format=%B', result.sha },
       { text = true }
     )
diff --git a/lua/gitsigns/blame.lua b/lua/gitsigns/blame.lua
index 0d6d76631..c2f8b70a3 100644
--- a/lua/gitsigns/blame.lua
+++ b/lua/gitsigns/blame.lua
@@ -185,7 +185,7 @@ end
 local show_commit = async.create(3, function(win, open, bcache)
   local cursor = api.nvim_win_get_cursor(win)[1]
   local sha = bcache.blame[cursor].commit.sha
-  local res = bcache.git_obj:command({ 'show', sha })
+  local res = bcache.git_obj.repo:command({ 'show', sha })
   async.scheduler()
   local commit_buf = api.nvim_create_buf(true, true)
   api.nvim_buf_set_name(commit_buf, bcache:get_rev_bufname(sha, true))
diff --git a/lua/gitsigns/git.lua b/lua/gitsigns/git.lua
index dac16a082..387b02cd8 100644
--- a/lua/gitsigns/git.lua
+++ b/lua/gitsigns/git.lua
@@ -56,7 +56,6 @@ local Repo = {}
 M.Repo = Repo
 
 --- @class Gitsigns.Git.JobSpec : vim.SystemOpts
---- @field command? string
 --- @field ignore_error? boolean
 
 --- @async
@@ -67,7 +66,7 @@ local function git_command(args, spec)
   spec = spec or {}
 
   local cmd = {
-    spec.command or 'git',
+    'git',
     '--no-pager',
     '--no-optional-locks',
     '--literal-pathspecs',
@@ -85,15 +84,17 @@ local function git_command(args, spec)
 
   --- @type vim.SystemCompleted
   local obj = asystem(cmd, spec)
-  local stdout = obj.stdout
-  local stderr = obj.stderr
 
   if not spec.ignore_error and obj.code > 0 then
-    local cmd_str = table.concat(cmd, ' ')
-    log.eprintf("Received exit code %d when running command\n'%s':\n%s", obj.code, cmd_str, stderr)
+    log.eprintf(
+      "Received exit code %d when running command\n'%s':\n%s",
+      obj.code,
+      table.concat(cmd, ' '),
+      obj.stderr
+    )
   end
 
-  local stdout_lines = vim.split(stdout or '', '\n')
+  local stdout_lines = vim.split(obj.stdout or '', '\n')
 
   if spec.text then
     -- If stdout ends with a newline, then remove the final empty string after
@@ -110,11 +111,11 @@ local function git_command(args, spec)
     end
   end
 
-  if stderr == '' then
-    stderr = nil
+  if obj.stderr == '' then
+    obj.stderr = nil
   end
 
-  return stdout_lines, stderr
+  return stdout_lines, obj.stderr
 end
 
 --- @async
@@ -142,18 +143,16 @@ function M.diff(file_cmp, file_buf, indent_heuristic, diff_algo)
 end
 
 --- @async
---- @param gitdir string
+--- @param gitdir? string
 --- @param head_str string
 --- @param cwd string
---- @param cmd? string
 --- @return string
-local function process_abbrev_head(gitdir, head_str, cwd, cmd)
+local function process_abbrev_head(gitdir, head_str, cwd)
   if not gitdir then
     return head_str
   end
   if head_str == 'HEAD' then
     local short_sha = git_command({ 'rev-parse', '--short', 'HEAD' }, {
-      command = cmd,
       ignore_error = true,
       cwd = cwd,
     })[1] or ''
@@ -173,38 +172,26 @@ end
 
 local has_cygpath = jit and jit.os == 'Windows' and vim.fn.executable('cygpath') == 1
 
-local cygpath_convert ---@type fun(path: string): string
-
-if has_cygpath then
-  cygpath_convert = function(path)
-    --- @type vim.SystemCompleted
-    local obj = asystem({ 'cygpath', '-aw', path })
-    return obj.stdout
-  end
-end
-
---- @param path string
---- @return string
+--- @param path? string
+--- @return string?
 local function normalize_path(path)
   if path and has_cygpath and not uv.fs_stat(path) then
     -- If on windows and path isn't recognizable as a file, try passing it
     -- through cygpath
-    path = cygpath_convert(path)
+    path = asystem({ 'cygpath', '-aw', path }).stdout
   end
   return path
 end
 
 --- @async
 --- @param cwd string
---- @param cmd? string
 --- @param gitdir? string
 --- @param toplevel? string
 --- @return Gitsigns.RepoInfo
-function M.get_repo_info(cwd, cmd, gitdir, toplevel)
+function M.get_repo_info(cwd, gitdir, toplevel)
   -- Does git rev-parse have --absolute-git-dir, added in 2.13:
   --    https://public-inbox.org/git/20170203024829.8071-16-szeder.dev@gmail.com/
   local has_abs_gd = check_version({ 2, 13 })
-  local git_dir_opt = has_abs_gd and '--absolute-git-dir' or '--git-dir'
 
   -- Wait for internal scheduler to settle before running command (#215)
   scheduler()
@@ -222,13 +209,12 @@ function M.get_repo_info(cwd, cmd, gitdir, toplevel)
   vim.list_extend(args, {
     'rev-parse',
     '--show-toplevel',
-    git_dir_opt,
+    has_abs_gd and '--absolute-git-dir' or '--git-dir',
     '--abbrev-ref',
     'HEAD',
   })
 
   local results = git_command(args, {
-    command = cmd,
     ignore_error = true,
     cwd = toplevel or cwd,
   })
@@ -243,7 +229,7 @@ function M.get_repo_info(cwd, cmd, gitdir, toplevel)
   return {
     toplevel = toplevel_r,
     gitdir = gitdir_r,
-    abbrev_head = process_abbrev_head(gitdir_r, results[3], cwd, cmd),
+    abbrev_head = process_abbrev_head(gitdir_r, results[3], cwd),
     detached = toplevel_r and gitdir_r ~= toplevel_r .. '/.git',
   }
 end
@@ -261,10 +247,7 @@ function Repo:command(args, spec)
   spec = spec or {}
   spec.cwd = self.toplevel
 
-  local args1 = {
-    '--git-dir',
-    self.gitdir,
-  }
+  local args1 = { '--git-dir', self.gitdir }
 
   if self.detached then
     vim.list_extend(args1, { '--work-tree', self.toplevel })
@@ -310,7 +293,6 @@ function Repo:get_show_text(object, encoding)
 
   if encoding and encoding ~= 'utf-8' and iconv_supported(encoding) then
     for i, l in ipairs(stdout) do
-      --- @diagnostic disable-next-line:param-type-mismatch
       stdout[i] = vim.iconv(l, encoding, 'utf-8')
     end
   end
@@ -331,7 +313,7 @@ end
 function Repo.new(dir, gitdir, toplevel)
   local self = setmetatable({}, { __index = Repo })
 
-  local info = M.get_repo_info(dir, nil, gitdir, toplevel)
+  local info = M.get_repo_info(dir, gitdir, toplevel)
   for k, v in
     pairs(info --[[@as table<string,any>]])
   do
@@ -348,18 +330,9 @@ end
 -- Git object methods
 --------------------------------------------------------------------------------
 
---- Run git command the with the objects gitdir and toplevel
---- @param args string[]
---- @param spec? Gitsigns.Git.JobSpec
---- @return string[] stdout, string? stderr
-function Obj:command(args, spec)
-  return self.repo:command(args, spec)
-end
-
 --- @param revision? string
 function Obj:update_revision(revision)
-  revision = util.norm_base(revision)
-  self.revision = revision
+  self.revision = util.norm_base(revision)
   self:update()
 end
 
@@ -431,7 +404,7 @@ function Obj:file_info_index(file, silent)
 
   cmd[#cmd + 1] = file or self.file
 
-  local results, stderr = self:command(cmd, { ignore_error = true })
+  local results, stderr = self.repo:command(cmd, { ignore_error = true })
 
   if stderr and not silent then
     -- ignore_error for the cases when we run:
@@ -478,7 +451,7 @@ end
 --- @param silent? boolean
 --- @return Gitsigns.FileInfo
 function Obj:file_info_tree(file, silent)
-  local results, stderr = self:command({
+  local results, stderr = self.repo:command({
     '-c',
     'core.quotepath=off',
     'ls-tree',
@@ -548,7 +521,7 @@ local function autocmd_changed(file)
 end
 
 function Obj:unstage_file()
-  self:command({ 'reset', self.file })
+  self.repo:command({ 'reset', self.file })
   autocmd_changed(self.file)
 end
 
@@ -598,12 +571,12 @@ local function ensure_file_in_index(obj)
 
   if not obj.object_name then
     -- If there is no object_name then it is not yet in the index so add it
-    obj:command({ 'add', '--intent-to-add', obj.file })
+    obj.repo:command({ 'add', '--intent-to-add', obj.file })
   else
     -- Update the index with the common ancestor (stage 1) which is what bcache
     -- stores
     local info = string.format('%s,%s,%s', obj.mode_bits, obj.object_name, obj.relpath)
-    obj:command({ 'update-index', '--add', '--cacheinfo', info })
+    obj.repo:command({ 'update-index', '--add', '--cacheinfo', info })
   end
 
   obj:update()
@@ -612,7 +585,7 @@ end
 --- Stage 'lines' as the entire contents of the file
 --- @param lines string[]
 function Obj:stage_lines(lines)
-  local stdout = self:command({
+  local stdout = self.repo:command({
     'hash-object',
     '-w',
     '--path',
@@ -622,7 +595,7 @@ function Obj:stage_lines(lines)
 
   local new_object = stdout[1]
 
-  self:command({
+  self.repo:command({
     'update-index',
     '--cacheinfo',
     string.format('%s,%s,%s', self.mode_bits, new_object, self.relpath),
@@ -636,9 +609,7 @@ end
 function Obj:stage_hunks(hunks, invert)
   ensure_file_in_index(self)
 
-  local gs_hunks = require('gitsigns.hunks')
-
-  local patch = gs_hunks.create_patch(self.relpath, hunks, self.mode_bits, invert)
+  local patch = require('gitsigns.hunks').create_patch(self.relpath, hunks, self.mode_bits, invert)
 
   if not self.i_crlf and self.w_crlf then
     -- Remove cr
@@ -647,7 +618,7 @@ function Obj:stage_hunks(hunks, invert)
     end
   end
 
-  self:command({
+  self.repo:command({
     'apply',
     '--whitespace=nowarn',
     '--cached',
@@ -662,7 +633,7 @@ end
 
 --- @return string?
 function Obj:has_moved()
-  local out = self:command({ 'diff', '--name-status', '-C', '--cached' })
+  local out = self.repo:command({ 'diff', '--name-status', '-C', '--cached' })
   local orig_relpath = self.orig_relpath or self.relpath
   for _, l in ipairs(out) do
     local parts = vim.split(l, '%s+')
diff --git a/lua/gitsigns/git/blame.lua b/lua/gitsigns/git/blame.lua
index e32cd43ec..5a28e304e 100644
--- a/lua/gitsigns/git/blame.lua
+++ b/lua/gitsigns/git/blame.lua
@@ -199,7 +199,7 @@ function M.run_blame(obj, lines, lnum, revision, opts)
     process_incremental(data, commits, ret)
   end
 
-  local _, stderr = obj:command(args, { stdin = lines, stdout = on_stdout, ignore_error = true })
+  local _, stderr = obj.repo:command(args, { stdin = lines, stdout = on_stdout, ignore_error = true })
 
   if stderr then
     error_once('Error running git-blame: ' .. stderr)
diff --git a/test/actions_spec.lua b/test/actions_spec.lua
index c2f716179..4fa05299e 100644
--- a/test/actions_spec.lua
+++ b/test/actions_spec.lua
@@ -51,7 +51,7 @@ local function expect_hunks(exp_hunks)
 end
 
 describe('actions', function()
-  local config
+  local config --- @type Gitsigns.Config
 
   before_each(function()
     clear()
@@ -308,10 +308,8 @@ describe('actions', function()
     local newfile = helpers.newfile
     exec_lua([[vim.g.editorconfig = false]])
     system("printf 'This is a file with no nl at eof' > " .. newfile)
-    helpers.gitm({
-      { 'add', newfile },
-      { 'commit', '-m', 'commit on main' },
-    })
+    helpers.git({ 'add', newfile })
+    helpers.git({ 'commit', '-m', 'commit on main' })
 
     edit(newfile)
     check({ status = { head = 'master', added = 0, changed = 0, removed = 0 } })
diff --git a/test/gitdir_watcher_spec.lua b/test/gitdir_watcher_spec.lua
index 9c97813cf..c03c7b3ee 100644
--- a/test/gitdir_watcher_spec.lua
+++ b/test/gitdir_watcher_spec.lua
@@ -147,8 +147,8 @@ describe('gitdir_watcher', function()
     helpers.write_to_file(f1, { '1', '2', '3' })
     helpers.write_to_file(f2, { '1', '2', '3' })
 
-    helpers.gitf({ 'add', f1, f2 })
-    helpers.gitf({ 'commit', '-m', 'init commit' })
+    git({ 'add', f1, f2 })
+    git({ 'commit', '-m', 'init commit' })
 
     setup_gitsigns(test_config)
 
@@ -165,7 +165,7 @@ describe('gitdir_watcher', function()
     helpers.check({ signs = { changed = 1 } }, b1)
     helpers.check({ signs = { changed = 1 } }, b2)
 
-    helpers.gitf({ 'add', f1, f2 })
+    git({ 'add', f1, f2 })
 
     helpers.check({ signs = {} }, b1)
     helpers.check({ signs = {} }, b2)
diff --git a/test/gitsigns_spec.lua b/test/gitsigns_spec.lua
index 108f5faab..370de6539 100644
--- a/test/gitsigns_spec.lua
+++ b/test/gitsigns_spec.lua
@@ -18,7 +18,6 @@ local edit = helpers.edit
 local cleanup = helpers.cleanup
 local test_file = helpers.test_file
 local git = helpers.git
-local gitm = helpers.gitm
 local scratch = helpers.scratch
 local newfile = helpers.newfile
 local match_dag = helpers.match_dag
@@ -84,6 +83,7 @@ describe('gitsigns (with screen)', function()
   end)
 
   it('gitdir watcher works on a fresh repo', function()
+    --- @type integer
     local nvim_ver = exec_lua('return vim.version().minor')
     screen:try_resize(20, 6)
     setup_test_repo({ no_add = true })
@@ -157,7 +157,7 @@ describe('gitsigns (with screen)', function()
     it('can setup mappings', function()
       edit(test_file)
       expectf(function()
-        local res = split(helpers.api.nvim_exec('nmap <buffer>', true), '\n')
+        local res = split(helpers.api.nvim_exec2('nmap <buffer>', { output = true }).output, '\n')
         table.sort(res)
 
         -- Check all keymaps get set
@@ -279,10 +279,8 @@ describe('gitsigns (with screen)', function()
         system("printf 'This\nis\na\nwindows\nfile\n' > " .. newfile)
       end
 
-      gitm({
-        { 'add', newfile },
-        { 'commit', '-m', 'commit on main' },
-      })
+      git({ 'add', newfile })
+      git({ 'commit', '-m', 'commit on main' })
 
       edit(newfile)
       feed('gg')
@@ -363,10 +361,8 @@ describe('gitsigns (with screen)', function()
       feed('oEDIT<esc>')
       command('write')
 
-      gitm({
-        { 'add', test_file },
-        { 'commit', '-m', 'commit on main' },
-      })
+      git({ 'add', test_file })
+      git({ 'commit', '-m', 'commit on main' })
 
       -- Don't setup gitsigns until the repo has two commits
       setup_gitsigns(config)
@@ -578,25 +574,24 @@ describe('gitsigns (with screen)', function()
         check({ status = { head = 'master', added = 0, changed = 1, removed = 0 } })
         command('write')
         command('bwipe')
-        gitm({
-          { 'add', test_file },
-          { 'commit', '-m', 'commit on main' },
 
-          -- Create a branch, remove last commit, edit file again
-          { 'checkout', '-B', 'abranch' },
-          { 'reset', '--hard', 'HEAD~1' },
-        })
+        git({ 'add', test_file })
+        git({ 'commit', '-m', 'commit on main' })
+
+        -- Create a branch, remove last commit, edit file again
+        git({ 'checkout', '-B', 'abranch' })
+        git({ 'reset', '--hard', 'HEAD~1' })
+
         edit(test_file)
         check({ status = { head = 'abranch', added = 0, changed = 0, removed = 0 } })
         feed('idiff')
         check({ status = { head = 'abranch', added = 0, changed = 1, removed = 0 } })
         command('write')
         command('bwipe')
-        gitm({
-          { 'add', test_file },
-          { 'commit', '-m', 'commit on branch' },
-          { 'rebase', 'master' },
-        })
+
+        git({ 'add', test_file })
+        git({ 'commit', '-m', 'commit on branch' })
+        git({ 'rebase', 'master' })
 
         -- test_file should have a conflict
         edit(test_file)
@@ -711,10 +706,8 @@ describe('gitsigns (with screen)', function()
 
     write_to_file(uni_filename, { 'Lorem ipsum' })
 
-    gitm({
-      { 'add', uni_filename },
-      { 'commit', '-m', 'another commit' },
-    })
+    git({ 'add', uni_filename })
+    git({ 'commit', '-m', 'another commit' })
 
     edit(uni_filename)
 
diff --git a/test/gs_helpers.lua b/test/gs_helpers.lua
index f8a6ecb54..d82b2819f 100644
--- a/test/gs_helpers.lua
+++ b/test/gs_helpers.lua
@@ -60,22 +60,14 @@ local test_file_text = {
 }
 
 --- Run a git command
-function M.gitf(args)
+local function git(args)
   system({ 'git', '-C', M.scratch, unpack(args) })
 end
 
---- @param cmds string[][]
-function M.gitm(cmds)
-  for _, cmd in ipairs(cmds) do
-    M.gitf(cmd)
-  end
-  helpers.sleep(10)
-end
-
 --- Run a git command and add a delay
 function M.git(args)
-  M.gitf(args)
-  helpers.sleep(10)
+  git(args)
+  -- helpers.sleep(10)
 end
 
 function M.cleanup()
@@ -83,26 +75,26 @@ function M.cleanup()
 end
 
 function M.git_init()
-  M.gitf({ 'init', '-b', 'master' })
+  git({ 'init', '-b', 'master' })
 
   -- Always force color to test settings don't interfere with gitsigns systems
   -- commands (addresses #23)
-  M.gitf({ 'config', 'color.branch', 'always' })
-  M.gitf({ 'config', 'color.ui', 'always' })
-  M.gitf({ 'config', 'color.diff', 'always' })
-  M.gitf({ 'config', 'color.interactive', 'always' })
-  M.gitf({ 'config', 'color.status', 'always' })
-  M.gitf({ 'config', 'color.grep', 'always' })
-  M.gitf({ 'config', 'color.pager', 'true' })
-  M.gitf({ 'config', 'color.decorate', 'always' })
-  M.gitf({ 'config', 'color.showbranch', 'always' })
-
-  M.gitf({ 'config', 'merge.conflictStyle', 'merge' })
-
-  M.gitf({ 'config', 'user.email', 'tester@com.com' })
-  M.gitf({ 'config', 'user.name', 'tester' })
-
-  M.gitf({ 'config', 'init.defaultBranch', 'master' })
+  git({ 'config', 'color.branch', 'always' })
+  git({ 'config', 'color.ui', 'always' })
+  git({ 'config', 'color.diff', 'always' })
+  git({ 'config', 'color.interactive', 'always' })
+  git({ 'config', 'color.status', 'always' })
+  git({ 'config', 'color.grep', 'always' })
+  git({ 'config', 'color.pager', 'true' })
+  git({ 'config', 'color.decorate', 'always' })
+  git({ 'config', 'color.showbranch', 'always' })
+
+  git({ 'config', 'merge.conflictStyle', 'merge' })
+
+  git({ 'config', 'user.email', 'tester@com.com' })
+  git({ 'config', 'user.name', 'tester' })
+
+  git({ 'config', 'init.defaultBranch', 'master' })
 end
 
 --- Setup a basic git repository in directory `helpers.scratch` with a single file
@@ -116,10 +108,10 @@ function M.setup_test_repo(opts)
   system({ 'touch', M.test_file })
   M.write_to_file(M.test_file, text)
   if not (opts and opts.no_add) then
-    M.gitf({ 'add', M.test_file })
-    M.gitf({ 'commit', '-m', 'init commit' })
+    git({ 'add', M.test_file })
+    git({ 'commit', '-m', 'init commit' })
   end
-  helpers.sleep(20)
+  -- helpers.sleep(20)
 end
 
 --- @param cond fun()
diff --git a/test/highlights_spec.lua b/test/highlights_spec.lua
index b980b5133..769e18942 100644
--- a/test/highlights_spec.lua
+++ b/test/highlights_spec.lua
@@ -16,7 +16,7 @@ helpers.env()
 
 describe('highlights', function()
   local screen --- @type test.screen
-  local config
+  local config --- @type Gitsigns.Config
 
   before_each(function()
     clear()
@@ -84,15 +84,6 @@ describe('highlights', function()
         p('Deriving GitSignsDeleteNr from GitSignsDelete'),
       })
     end)
-
-    -- eq('GitSignsChange xxx links to DiffChange',
-    -- exec_capture('hi GitSignsChange'))
-
-    -- eq('GitSignsDelete xxx links to DiffDelete',
-    -- exec_capture('hi GitSignsDelete'))
-
-    -- eq('GitSignsAdd    xxx links to DiffAdd',
-    -- exec_capture('hi GitSignsAdd'))
   end)
 
   it('update when colorscheme changes', function()
@@ -106,35 +97,5 @@ describe('highlights', function()
     config.linehl = true
 
     setup_gitsigns(config)
-
-    -- expectf(function()
-    --   eq('GitSignsChange xxx links to DiffChange',
-    --     exec_capture('hi GitSignsChange'))
-
-    --   eq('GitSignsDelete xxx links to DiffDelete',
-    --     exec_capture('hi GitSignsDelete'))
-
-    --   eq('GitSignsAdd    xxx links to DiffAdd',
-    --     exec_capture('hi GitSignsAdd'))
-
-    --   eq('GitSignsAddLn  xxx links to DiffAdd',
-    --     exec_capture('hi GitSignsAddLn'))
-    -- end)
-
-    -- command('colorscheme blue')
-
-    -- expectf(function()
-    --   eq('GitSignsChange xxx links to DiffChange',
-    --     exec_capture('hi GitSignsChange'))
-
-    --   eq('GitSignsDelete xxx links to DiffDelete',
-    --     exec_capture('hi GitSignsDelete'))
-
-    --   eq('GitSignsAdd    xxx links to DiffAdd',
-    --     exec_capture('hi GitSignsAdd'))
-
-    --   eq('GitSignsAddLn  xxx links to DiffAdd',
-    --     exec_capture('hi GitSignsAddLn'))
-    -- end)
   end)
 end)
diff --git a/test/unit_spec.lua b/test/unit_spec.lua
deleted file mode 100644
index f74eb550f..000000000
--- a/test/unit_spec.lua
+++ /dev/null
@@ -1,71 +0,0 @@
-local helpers = require('test.gs_helpers')
-local exec_lua = helpers.exec_lua
-local setup_gitsigns = helpers.setup_gitsigns
-local clear = helpers.clear
-
-helpers.env()
-
-local function get_tests(pattern)
-  local modules = exec_lua([[return vim.tbl_keys(package.loaded)]])
-
-  local tests = {}
-  for _, mod in ipairs(modules) do
-    if mod:match(pattern) then
-      tests[mod] = exec_lua(
-        [[
-        local mod = package.loaded[...]
-        if type(mod) == 'table' then
-          return vim.tbl_keys(mod._tests or {})
-        end
-        return {}
-      ]],
-        mod
-      )
-    end
-  end
-  return tests
-end
-
-local function run_test(mod, test)
-  return unpack(exec_lua(
-    [[
-    local mod, test = ...
-    return {pcall(package.loaded[mod]._tests[test])}
-   ]],
-    mod,
-    test
-  ))
-end
-
-local function load(mod)
-  exec_lua([[require(...)]], mod)
-end
-
-describe('unit test', function()
-  clear()
-  exec_lua('package.path = ...', package.path)
-  exec_lua('_TEST = true')
-  setup_gitsigns({ debug_mode = true })
-
-  -- Add modules which have unit tests
-  -- TODO(lewis6991): automate
-  load('gitsigns.test')
-
-  local gs_tests = get_tests('^gitsigns')
-
-  for mod, tests in pairs(gs_tests) do
-    for _, test in ipairs(tests) do
-      it(mod .. ':' .. test, function()
-        local ok, err = run_test(mod, test)
-
-        if not ok then
-          local msgs = helpers.debug_messages()
-          for _, msg in ipairs(msgs) do
-            print(msg)
-          end
-          error(err)
-        end
-      end)
-    end
-  end
-end)