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default.nix
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default.nix
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/*
run tests with `nix-build -A neovim.tests`
The attrset exposes both the wrapped neovim and the associated test for easier debugging
Here are some common neovim flags used in the tests:
-e runs neovim in `:h Ex-mode` which returns an exit code != 0 when hitting an error
-i NONE gets rid of shada warnings
*/
{ vimUtils, writeText, neovim, vimPlugins
, neovimUtils, wrapNeovimUnstable
, neovim-unwrapped
, fetchFromGitLab
, runCommandLocal
, pkgs
}:
let
inherit (neovimUtils) makeNeovimConfig;
plugins = with vimPlugins; [
{
plugin = vim-obsession;
config = ''
map <Leader>$ <Cmd>Obsession<CR>
'';
}
];
packagesWithSingleLineConfigs = with vimPlugins; [
{
plugin = vim-obsession;
config = ''map <Leader>$ <Cmd>Obsession<CR>'';
}
{
plugin = trouble-nvim;
config = ''" placeholder config'';
}
];
nvimConfSingleLines = makeNeovimConfig {
plugins = packagesWithSingleLineConfigs;
customRC = ''
" just a comment
'';
};
nvimConfNix = makeNeovimConfig {
inherit plugins;
customRC = ''
" just a comment
'';
};
nvim-with-luasnip = wrapNeovim2 "-with-luasnip" (makeNeovimConfig {
plugins = [ {
plugin = vimPlugins.luasnip;
}
];
});
nvimAutoDisableWrap = makeNeovimConfig { };
wrapNeovim2 = suffix: config:
wrapNeovimUnstable neovim-unwrapped (config // {
extraName = suffix;
});
nmt = fetchFromGitLab {
owner = "rycee";
repo = "nmt";
rev = "d2cc8c1042b1c2511f68f40e2790a8c0e29eeb42";
sha256 = "1ykcvyx82nhdq167kbnpgwkgjib8ii7c92y3427v986n2s5lsskc";
};
# neovim-drv must be a wrapped neovim
runTest = neovim-drv: buildCommand:
runCommandLocal "test-${neovim-drv.name}" ({
nativeBuildInputs = [ ];
meta.platforms = neovim-drv.meta.platforms;
}) (''
source ${nmt}/bash-lib/assertions.sh
vimrc="${writeText "test-${neovim-drv.name}-init.vim" neovim-drv.initRc}"
luarc="${writeText "test-${neovim-drv.name}-init.lua" neovim-drv.luaRcContent}"
luarcGeneric="$out/patched.lua"
vimrcGeneric="$out/patched.vim"
mkdir $out
export HOME=$TMPDIR
${pkgs.perl}/bin/perl -pe "s|\Q$NIX_STORE\E/[a-z0-9]{32}-|$NIX_STORE/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-|g" < "$vimrc" > "$vimrcGeneric"
${pkgs.perl}/bin/perl -pe "s|\Q$NIX_STORE\E/[a-z0-9]{32}-|$NIX_STORE/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-|g" < "$luarc" > "$luarcGeneric"
'' + buildCommand);
in
pkgs.recurseIntoAttrs (rec {
inherit nmt;
vim_empty_config = vimUtils.vimrcFile { beforePlugins = ""; customRC = ""; };
### neovim tests
##################
nvim_with_plugins = wrapNeovim2 "-with-plugins" nvimConfNix;
nvim_singlelines = wrapNeovim2 "-single-lines" nvimConfSingleLines;
# test that passthru.initRc hasn't changed
passthruInitRc = runTest nvim_singlelines ''
INITRC=${pkgs.writeTextFile { name = "initrc"; text = nvim_singlelines.passthru.initRc; }}
assertFileContent \
$INITRC \
"${./init-single-lines.vim}"
'';
# test single line concatenation
singlelinesconfig = runTest nvim_singlelines ''
assertFileContains \
"$luarcGeneric" \
"vim.cmd.source \"/nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-init.vim"
assertFileContent \
"$vimrcGeneric" \
"${./init-single-lines.vim}"
'';
nvim_via_override = neovim.override {
extraName = "-via-override";
configure = {
packages.foo.start = [ vimPlugins.ale ];
customRC = ''
:help ale
'';
};
};
nvim_with_aliases = neovim.override {
extraName = "-with-aliases";
vimAlias = true;
viAlias = true;
};
# test it still works with vim-plug
nvim_with_plug = neovim.override {
extraName = "-with-plug";
configure.packages.plugins = with pkgs.vimPlugins; {
start = [
(base16-vim.overrideAttrs(old: { pname = old.pname + "-unique-for-tests-please-dont-use"; }))
];
};
configure.customRC = ''
color base16-tomorrow-night
set background=dark
'';
};
run_nvim_with_plug = runTest nvim_with_plug ''
${nvim_with_plug}/bin/nvim -V3log.txt -i NONE -c 'color base16-tomorrow-night' +quit! -e
'';
nvim_with_ftplugin = let
# this plugin checks that it's ftplugin/vim.tex is loaded before $VIMRUNTIME/ftplugin/vim.tex
# $VIMRUNTIME/ftplugin/vim.tex sources $VIMRUNTIME/ftplugin/initex.vim which sets b:did_ftplugin
# we save b:did_ftplugin's value in a `plugin_was_loaded_too_late` file
texFtplugin = (pkgs.runCommandLocal "tex-ftplugin" {} ''
mkdir -p $out/ftplugin
echo 'call system("echo ". exists("b:did_ftplugin") . " > plugin_was_loaded_too_late")' >> $out/ftplugin/tex.vim
echo ':q!' >> $out/ftplugin/tex.vim
'') // { pname = "test-ftplugin"; };
in
neovim.override {
extraName = "-with-ftplugin";
configure.packages.plugins = {
start = [
texFtplugin
];
};
};
# regression test that ftplugin files from plugins are loaded before the ftplugin
# files from $VIMRUNTIME
run_nvim_with_ftplugin = runTest nvim_with_ftplugin ''
echo '\documentclass{article}' > main.tex
${nvim_with_ftplugin}/bin/nvim -i NONE -V3log.txt main.tex -c "set ft?" -c quit
ls -l $TMPDIR
# check the saved value b:did_ftplugin then our plugin has been loaded instead of neovim's
result="$(cat plugin_was_loaded_too_late)"
echo $result
[ "$result" = 0 ]
'';
# check that the vim-doc hook correctly generates the tag
# we know for a fact packer has a doc folder
checkForTags = vimPlugins.packer-nvim.overrideAttrs(oldAttrs: {
doInstallCheck = true;
installCheckPhase = ''
[ -f $out/doc/tags ]
'';
});
# check that the vim-doc hook correctly generates the tag
# for neovim packages from luaPackages
# we know for a fact gitsigns-nvim has a doc folder and comes from luaPackages
checkForTagsLuaPackages = vimPlugins.gitsigns-nvim.overrideAttrs(oldAttrs: {
doInstallCheck = true;
installCheckPhase = ''
[ -f $out/doc/tags ]
'';
});
nvim_with_gitsigns_plugin = neovim.override {
extraName = "-with-gitsigns-plugin";
configure.packages.plugins = {
start = [
vimPlugins.gitsigns-nvim
];
};
};
checkHelpLuaPackages = runTest nvim_with_gitsigns_plugin ''
${nvim_with_gitsigns_plugin}/bin/nvim -i NONE -c 'help gitsigns' +quitall! -e
'';
# nixpkgs should detect that no wrapping is necessary
nvimShouldntWrap = wrapNeovim2 "-should-not-wrap" nvimAutoDisableWrap;
# this will generate a neovimRc content but we disable wrapping
nvimDontWrap = wrapNeovim2 "-forced-nowrap" (makeNeovimConfig {
wrapRc = false;
customRC = ''
" this shouldn't trigger the creation of an init.vim
'';
});
force-nowrap = runTest nvimDontWrap ''
! grep -F -- ' -u' ${nvimDontWrap}/bin/nvim
'';
nvim_via_override-test = runTest nvim_via_override ''
assertFileContent \
"$vimrcGeneric" \
"${./init-override.vim}"
'';
checkAliases = runTest nvim_with_aliases ''
folder=${nvim_with_aliases}/bin
assertFileIsExecutable "$folder/vi"
assertFileIsExecutable "$folder/vim"
'';
# having no RC generated should autodisable init.vim wrapping
nvim_autowrap = runTest nvim_via_override ''
! grep ${nvimShouldntWrap}/bin/nvim
'';
# system remote plugin manifest should be generated, deoplete should be usable
# without the user having to do `UpdateRemotePlugins`. To test, launch neovim
# and do `:call deoplete#enable()`. It will print an error if the remote
# plugin is not registered.
test_nvim_with_remote_plugin = neovim.override {
extraName = "-remote";
configure.packages.foo.start = with vimPlugins; [ deoplete-nvim ];
};
nvimWithLuaPackages = wrapNeovim2 "-with-lua-packages" (makeNeovimConfig {
extraLuaPackages = ps: [ps.mpack];
customRC = ''
lua require("mpack")
'';
});
nvim_with_lua_packages = runTest nvimWithLuaPackages ''
${nvimWithLuaPackages}/bin/nvim -V3log.txt -i NONE --noplugin +quitall! -e
'';
# nixpkgs should install optional packages in the opt folder
nvim_with_opt_plugin = neovim.override {
extraName = "-with-opt-plugin";
configure.packages.opt-plugins = with pkgs.vimPlugins; {
opt = [
(dashboard-nvim.overrideAttrs(old: { pname = old.pname + "-unique-for-tests-please-dont-use-opt"; }))
];
};
configure.customRC = ''
" Load all autoloaded plugins
packloadall
" Try to run Dashboard, and throw if it succeeds
try
Dashboard
echo "Dashboard found, throwing error"
cquit 1
catch /^Vim\%((\a\+)\)\=:E492/
echo "Dashboard not found"
endtry
" Load Dashboard as an optional
packadd dashboard-nvim-unique-for-tests-please-dont-use-opt
" Try to run Dashboard again, and throw if it fails
let res = exists(':Dashboard')
if res == 0
echo "Dashboard not found, throwing error"
cquit 1
endif
cquit 0
'';
};
run_nvim_with_opt_plugin = runTest nvim_with_opt_plugin ''
${nvim_with_opt_plugin}/bin/nvim -i NONE +quit! -e
'';
inherit nvim-with-luasnip;
# check that bringing in one plugin with lua deps makes those deps visible from wrapper
# for instance luasnip has a dependency on jsregexp
can_require_transitive_deps =
runTest nvim-with-luasnip ''
cat ${nvim-with-luasnip}/bin/nvim
${nvim-with-luasnip}/bin/nvim -i NONE --cmd "lua require'jsregexp'" -e +quitall!
'';
})