test: use matches(...) instead of ok(string.find(...)) (#28111)

src/nvim/change.c

@@ -1838,8 +1838,8 @@ bool open_line(int dir, int flags, int second_line_indent, bool *did_do_comment)
 
       saved_line = NULL;
       if (did_append) {
-        // Always move extmarks - Here we move only the line where the
-        // cursor is, the later mark_adjust takes care of the lines after.
+        // Always move extmarks - Here we move only the line where the cursor is,
+        // the previous mark_adjust() took care of the lines after.
         int cols_added = mincol - 1 + less_cols_off - less_cols;
         extmark_splice(curbuf, (int)lnum - 1, mincol - 1 - cols_spliced,
                        0, less_cols_off, less_cols_off,

test/functional/api/vim_spec.lua

@@ -1593,9 +1593,7 @@ describe('API', function()
       api.nvim_set_option_value('equalalways', false, {})
       local status, rv = pcall(command_output, 'verbose set equalalways?')
       eq(true, status)
-      ok(
-        nil ~= string.find(rv, 'noequalalways\n' .. '\tLast set from API client %(channel id %d+%)')
-      )
+      matches('noequalalways\n' .. '\tLast set from API client %(channel id %d+%)', rv)
 
       api.nvim_exec_lua('vim.api.nvim_set_option_value("equalalways", true, {})', {})
       status, rv = pcall(command_output, 'verbose set equalalways?')
@@ -2723,7 +2721,7 @@ describe('API', function()
   it('can throw exceptions', function()
     local status, err = pcall(api.nvim_get_option_value, 'invalid-option', {})
     eq(false, status)
-    ok(err:match("Unknown option 'invalid%-option'") ~= nil)
+    matches("Unknown option 'invalid%-option'", err)
   end)
 
   it('does not truncate error message <1 MB #5984', function()
@@ -2736,10 +2734,7 @@ describe('API', function()
   it('does not leak memory on incorrect argument types', function()
     local status, err = pcall(api.nvim_set_current_dir, { 'not', 'a', 'dir' })
     eq(false, status)
-    ok(
-      err:match(': Wrong type for argument 1 when calling nvim_set_current_dir, expecting String')
-        ~= nil
-    )
+    matches(': Wrong type for argument 1 when calling nvim_set_current_dir, expecting String', err)
   end)
 
   describe('nvim_parse_expression', function()
@@ -3670,7 +3665,7 @@ describe('API', function()
       api.nvim_buf_set_name(buf, 'mybuf')
       local mark = api.nvim_get_mark('F', {})
       -- Compare the path tail only
-      assert(string.find(mark[4], 'mybuf$'))
+      matches('mybuf$', mark[4])
       eq({ 2, 2, buf, mark[4] }, mark)
     end)
     it('validation', function()

test/functional/core/channels_spec.lua

@@ -2,6 +2,7 @@ local helpers = require('test.functional.helpers')(after_each)
 local clear, eq, eval, next_msg, ok, source =
   helpers.clear, helpers.eq, helpers.eval, helpers.next_msg, helpers.ok, helpers.source
 local command, fn, api = helpers.command, helpers.fn, helpers.api
+local matches = helpers.matches
 local sleep = vim.uv.sleep
 local spawn, nvim_argv = helpers.spawn, helpers.nvim_argv
 local get_session, set_session = helpers.get_session, helpers.set_session
@@ -277,7 +278,7 @@ describe('channels', function()
 
     local _, err =
       pcall(command, "call rpcrequest(id, 'nvim_command', 'call chanclose(v:stderr, \"stdin\")')")
-    ok(string.find(err, 'E906: invalid stream for channel') ~= nil)
+    matches('E906: invalid stream for channel', err)
 
     eq(1, eval("rpcrequest(id, 'nvim_eval', 'chanclose(v:stderr, \"stderr\")')"))
     eq({ 'notification', 'stderr', { 3, { '' } } }, next_msg())

test/functional/core/job_spec.lua

@@ -73,7 +73,7 @@ describe('jobs', function()
         command("let j = jobstart('env', g:job_opts)")
       end
     end)
-    ok(string.find(err, 'E475: Invalid argument: env') ~= nil)
+    matches('E475: Invalid argument: env', err)
   end)
 
   it('append environment #env', function()
@@ -227,7 +227,7 @@ describe('jobs', function()
         command("let j = jobstart('pwd', g:job_opts)")
       end
     end)
-    ok(string.find(err, 'E475: Invalid argument: expected valid directory$') ~= nil)
+    matches('E475: Invalid argument: expected valid directory$', err)
   end)
 
   it('error on non-executable `cwd`', function()
@@ -980,10 +980,7 @@ describe('jobs', function()
     command('let g:job_opts.pty = v:true')
     command('let g:job_opts.rpc = v:true')
     local _, err = pcall(command, "let j = jobstart(['cat', '-'], g:job_opts)")
-    ok(
-      string.find(err, "E475: Invalid argument: job cannot have both 'pty' and 'rpc' options set")
-        ~= nil
-    )
+    matches("E475: Invalid argument: job cannot have both 'pty' and 'rpc' options set", err)
   end)
 
   it('does not crash when repeatedly failing to start shell', function()

test/functional/ex_cmds/arg_spec.lua

@@ -1,6 +1,7 @@
 local helpers = require('test.functional.helpers')(after_each)
 local eq, command, fn = helpers.eq, helpers.command, helpers.fn
 local ok = helpers.ok
+local matches = helpers.matches
 local clear = helpers.clear
 
 describe(':argument', function()
@@ -15,7 +16,7 @@ describe(':argument', function()
     helpers.feed([[<C-\><C-N>]])
     local bufname_before = fn.bufname('%')
     local bufnr_before = fn.bufnr('%')
-    helpers.ok(nil ~= string.find(bufname_before, '^term://')) -- sanity
+    matches('^term://', bufname_before) -- sanity
 
     command('argument 1')
     helpers.feed([[<C-\><C-N>]])

test/functional/ex_cmds/edit_spec.lua

@@ -1,6 +1,7 @@
 local helpers = require('test.functional.helpers')(after_each)
 local eq, command, fn = helpers.eq, helpers.command, helpers.fn
 local ok = helpers.ok
+local matches = helpers.matches
 local clear = helpers.clear
 local feed = helpers.feed
 
@@ -14,7 +15,7 @@ describe(':edit', function()
     feed([[<C-\><C-N>]])
     local bufname_before = fn.bufname('%')
     local bufnr_before = fn.bufnr('%')
-    helpers.ok(nil ~= string.find(bufname_before, '^term://')) -- sanity
+    matches('^term://', bufname_before) -- sanity
 
     command('edit')
 

test/functional/vimscript/reltime_spec.lua

@@ -1,6 +1,7 @@
 local helpers = require('test.functional.helpers')(after_each)
 local clear, eq, ok = helpers.clear, helpers.eq, helpers.ok
 local neq, command, fn = helpers.neq, helpers.command, helpers.fn
+local matches = helpers.matches
 local reltime, reltimestr, reltimefloat = fn.reltime, fn.reltimestr, fn.reltimefloat
 
 describe('reltimestr(), reltimefloat()', function()
@@ -15,7 +16,7 @@ describe('reltimestr(), reltimefloat()', function()
     neq('0.0', reltimestr(elapsed))
     ok(reltimefloat(elapsed) > 0.0)
     -- original vim test for < 0.1, but easily fails on travis
-    ok(nil ~= string.match(reltimestr(elapsed), '0%.'))
+    matches('0%.', reltimestr(elapsed))
     ok(reltimefloat(elapsed) < 1.0)
 
     local same = reltime(now, now)
@@ -29,7 +30,7 @@ describe('reltimestr(), reltimefloat()', function()
     neq('0.0', reltimestr(differs))
     ok(reltimefloat(differs) > 0.0)
     -- original vim test for < 0.1, but easily fails on travis
-    ok(nil ~= string.match(reltimestr(differs), '0%.'))
+    matches('0%.', reltimestr(differs))
     ok(reltimefloat(differs) < 1.0)
   end)
 

test/functional/vimscript/server_spec.lua

@@ -100,14 +100,14 @@ describe('server', function()
 
     local s = fn.serverstart('127.0.0.1:0') -- assign random port
     if #s > 0 then
-      assert(string.match(s, '127.0.0.1:%d+'))
+      matches('127.0.0.1:%d+', s)
       eq(s, fn.serverlist()[1])
       clear_serverlist()
     end
 
     s = fn.serverstart('127.0.0.1:') -- assign random port
     if #s > 0 then
-      assert(string.match(s, '127.0.0.1:%d+'))
+      matches('127.0.0.1:%d+', s)
       eq(s, fn.serverlist()[1])
       clear_serverlist()
     end