test: move oldtests to test directory (#22536)

The new oldtest directory is in test/old/testdir. The reason for this is
that many tests have hardcoded the parent directory name to be
'testdir'.

.gitattributes

@@ -8,6 +8,4 @@ src/xdiff/**    linguist-vendored
 src/cjson/**    linguist-vendored
 src/unicode/**  linguist-vendored
 
-src/nvim/testdir/test42.in diff
-
 .github/    export-ignore

.github/workflows/test.yml

@@ -366,5 +366,5 @@ jobs:
           # But would break functionaltest, where its `more` would be used then.
           $OldPath = $env:PATH
           $env:PATH = "C:\msys64\usr\bin;$env:PATH"
-          & "C:\msys64\mingw64\bin\mingw32-make.exe" -C $(Convert-Path src\nvim\testdir) VERBOSE=1
+          & "C:\msys64\mingw64\bin\mingw32-make.exe" -C $(Convert-Path test\old\testdir) VERBOSE=1
           $env:PATH = $OldPath

.gitignore

@@ -36,21 +36,21 @@ compile_commands.json
 *.rej
 
 # Generated by old (Vim) tests.
-/src/nvim/testdir/del
-/src/nvim/testdir/test*.out
-/src/nvim/testdir/test*.res
-/src/nvim/testdir/test*.log
-/src/nvim/testdir/messages
-/src/nvim/testdir/viminfo
-/src/nvim/testdir/test.ok
-/src/nvim/testdir/*.failed
-/src/nvim/testdir/X*
-/src/nvim/testdir/valgrind.*
-/src/nvim/testdir/.gdbinit
+/test/old/testdir/testdir/del
+/test/old/testdir/testdir/test*.out
+/test/old/testdir/testdir/test*.res
+/test/old/testdir/testdir/test*.log
+/test/old/testdir/testdir/messages
+/test/old/testdir/testdir/viminfo
+/test/old/testdir/testdir/test.ok
+/test/old/testdir/testdir/*.failed
+/test/old/testdir/testdir/X*
+/test/old/testdir/testdir/valgrind.*
+/test/old/testdir/testdir/.gdbinit
 /runtime/indent/testdir/*.out
 +runtime/indent/testdir/*.fail
-# Generated by src/nvim/testdir/runnvim.sh.
-/src/nvim/testdir/*.tlog
+# Generated by test/old/testdir/testdir/runnvim.sh.
+/test/old/testdir/testdir/*.tlog
 
 # Generated by unit tests.
 /test/includes/post/

Makefile

@@ -113,17 +113,17 @@ build/.ran-deps-cmake::
 
 # TODO: cmake 3.2+ add_custom_target() has a USES_TERMINAL flag.
 oldtest: | nvim build/runtime/doc/tags
-	+$(SINGLE_MAKE) -C src/nvim/testdir clean
+	+$(SINGLE_MAKE) -C test/old/testdir clean
 ifeq ($(strip $(TEST_FILE)),)
-	+$(SINGLE_MAKE) -C src/nvim/testdir NVIM_PRG=$(NVIM_PRG) $(MAKEOVERRIDES)
+	+$(SINGLE_MAKE) -C test/old/testdir NVIM_PRG=$(NVIM_PRG) $(MAKEOVERRIDES)
 else
 	@# Handle TEST_FILE=test_foo{,.res,.vim}.
-	+$(SINGLE_MAKE) -C src/nvim/testdir NVIM_PRG=$(NVIM_PRG) SCRIPTS= $(MAKEOVERRIDES) $(patsubst %.vim,%,$(patsubst %.res,%,$(TEST_FILE)))
+	+$(SINGLE_MAKE) -C test/old/testdir NVIM_PRG=$(NVIM_PRG) SCRIPTS= $(MAKEOVERRIDES) $(patsubst %.vim,%,$(patsubst %.res,%,$(TEST_FILE)))
 endif
 # Build oldtest by specifying the relative .vim filename.
 .PHONY: phony_force
-src/nvim/testdir/%.vim: phony_force
-	+$(SINGLE_MAKE) -C src/nvim/testdir NVIM_PRG=$(NVIM_PRG) SCRIPTS= $(MAKEOVERRIDES) $(patsubst src/nvim/testdir/%.vim,%,$@)
+test/old/testdir/%.vim: phony_force
+	+$(SINGLE_MAKE) -C test/old/testdir NVIM_PRG=$(NVIM_PRG) SCRIPTS= $(MAKEOVERRIDES) $(patsubst test/old/testdir/%.vim,%,$@)
 
 functionaltest-lua: | nvim
 	$(BUILD_TOOL) -C build $@
@@ -143,7 +143,7 @@ iwyu: build/.ran-cmake
 
 clean:
 	+test -d build && $(BUILD_TOOL) -C build clean || true
-	$(MAKE) -C src/nvim/testdir clean
+	$(MAKE) -C test/old/testdir clean
 	$(MAKE) -C runtime/indent clean
 
 distclean:

scripts/vim-patch.sh

@@ -226,6 +226,10 @@ preprocess_patch() {
   local na_vimrcexample='vimrc_example\.vim'
   2>/dev/null $nvim --cmd 'set dir=/tmp' +'g@^diff --git a/runtime/\<\%('${na_vimrcexample}'\)\>@norm! d/\v(^diff)|%$
' +w +q "$file"
 
+  # Rename src/testdir/ paths to test/old/testdir/
+  LC_ALL=C sed -e 's/\( [ab]\)\/src\/testdir/\1\/test\/old\/testdir/g' \
+    "$file" > "$file".tmp && mv "$file".tmp "$file"
+
   # Rename src/ paths to src/nvim/
   LC_ALL=C sed -e 's/\( [ab]\/src\)/\1\/nvim/g' \
     "$file" > "$file".tmp && mv "$file".tmp "$file"

test/README.md

@@ -3,7 +3,7 @@ Tests
 
 Tests are broadly divided into *unit tests* ([test/unit](https://github.com/neovim/neovim/tree/master/test/unit/)),
 *functional tests* ([test/functional](https://github.com/neovim/neovim/tree/master/test/functional/)),
-and *old tests* ([src/nvim/testdir/](https://github.com/neovim/neovim/tree/master/src/nvim/testdir/)).
+and *old tests* ([test/old/testdir/](https://github.com/neovim/neovim/tree/master/test/old/testdir/)).
 
 - _Unit_ testing is achieved by compiling the tests as a shared library which is
   loaded and called by [LuaJit FFI](http://luajit.org/ext_ffi.html).
@@ -48,7 +48,7 @@ Layout
 - `/test/*/**/*_spec.lua` : actual tests. Files that do not end with
   `_spec.lua` are libraries like `/test/**/helpers.lua`, except that they have
   some common topic.
-- `/src/nvim/testdir` : old tests (from Vim)
+- `/test/old/testdir` : old tests (from Vim)
 
 
 Running tests
@@ -83,7 +83,7 @@ To run a *single* legacy test file you can use either:
 
 or:
 
-    make src/nvim/testdir/test_syntax.vim
+    make test/old/testdir/test_syntax.vim
 
 - Specify only the test file name, not the full path.
 

test/benchmark/bench_regexp_spec.lua

@@ -7,7 +7,7 @@ local clear, command = helpers.clear, helpers.command
 -- Temporary file for gathering benchmarking results for each regexp engine.
 local result_file = 'benchmark.out'
 -- Fixture containing an HTML fragment that can make a search appear to freeze.
-local sample_file = 'src/nvim/testdir/samples/re.freeze.txt'
+local sample_file = 'test/old/testdir/samples/re.freeze.txt'
 
 -- Vim script code that does both the work and the benchmarking of that work.
 local measure_cmd =

test/functional/helpers.lua

@@ -898,7 +898,7 @@ local load_factor = 1
 if global_helpers.is_ci() then
   -- Compute load factor only once (but outside of any tests).
   module.clear()
-  module.request('nvim_command', 'source src/nvim/testdir/load.vim')
+  module.request('nvim_command', 'source test/old/testdir/load.vim')
   load_factor = module.request('nvim_eval', 'g:test_load_factor')
 end
 function module.load_adjust(num)

test/functional/legacy/options_spec.lua

@@ -1,4 +1,4 @@
--- See also: src/nvim/testdir/test_options.vim
+-- See also: test/old/testdir/test_options.vim
 local helpers = require('test.functional.helpers')(after_each)
 local command, clear = helpers.command, helpers.clear
 local source, expect = helpers.source, helpers.expect