neovim

run_tests.zig (3000B)

---

const std = @import("std");
const LazyPath = std.Build.LazyPath;

pub fn testStep(b: *std.Build, kind: []const u8, nvim_bin: *std.Build.Step.Compile, lua_deps: LazyPath, config_dir: LazyPath, include_path: ?[]const LazyPath) !*std.Build.Step.Run {
   const test_step = b.addRunArtifact(nvim_bin);
   test_step.addArg("-ll");
   test_step.addFileArg(b.path("./test/lua_runner.lua"));
   test_step.addDirectoryArg(lua_deps);
   if (include_path) |paths| {
       for (paths) |path| {
           test_step.addPrefixedDirectoryArg("-I", path);
       }
   }
   test_step.addArgs(&.{ "busted", "-v", "-o", "test.busted.outputHandlers.nvim", "--lazy" });
   // TODO(bfredl): a bit funky with paths, should work even if we run "zig build" in a nested dir
   test_step.addArg(b.fmt("./test/{s}/preload.lua", .{kind}));
   test_step.addArg("--lpath=./src/?.lua");
   test_step.addArg("--lpath=./runtime/lua/?.lua");
   test_step.addArg("--lpath=./?.lua");
   test_step.addPrefixedFileArg("--lpath=", config_dir.path(b, "?.lua")); // FULING: not a real file but works anyway?
   // TODO(bfredl): look into $BUSTED_ARGS user hook, TEST_TAG,  TEST_FILTER
   if (b.args) |args| {
       test_step.addArgs(args); // accept TEST_FILE as a positional argument
   } else {
       test_step.addArg(b.fmt("./test/{s}/", .{kind}));
   }

   const env = test_step.getEnvMap();
   try env.put("VIMRUNTIME", "runtime");
   try env.put("NVIM_RPLUGIN_MANIFEST", "Xtest_xdg/Xtest_rplugin_manifest");
   try env.put("XDG_CONFIG_HOME", "Xtest_xdg/config");
   try env.put("XDG_DATA_HOME", "Xtest_xdg/share");
   try env.put("XDG_STATE_HOME", "Xtest_xdg/state");
   try env.put("TMPDIR", b.fmt("{s}/Xtest_tmpdir", .{b.install_path}));
   try env.put("NVIM_LOG_FILE", b.fmt("{s}/Xtest_nvimlog", .{b.install_path}));

   env.remove("NVIM");
   env.remove("XDG_DATA_DIRS");
   return test_step;
}

pub fn test_steps(b: *std.Build, nvim_bin: *std.Build.Step.Compile, depend_on: *std.Build.Step, lua_deps: LazyPath, config_dir: LazyPath, unit_paths: ?[]const LazyPath) !void {
   const empty_dir = b.addWriteFiles();
   _ = empty_dir.add(".touch", "");
   const tmpdir_create = b.addInstallDirectory(.{ .source_dir = empty_dir.getDirectory(), .install_dir = .prefix, .install_subdir = "Xtest_tmpdir/" });

   const functional_tests = try testStep(b, "functional", nvim_bin, lua_deps, config_dir, null);
   functional_tests.step.dependOn(depend_on);
   functional_tests.step.dependOn(&tmpdir_create.step);

   const functionaltest_step = b.step("functionaltest", "run functional tests");
   functionaltest_step.dependOn(&functional_tests.step);

   if (unit_paths) |paths| {
       const unit_tests = try testStep(b, "unit", nvim_bin, lua_deps, config_dir, paths);
       unit_tests.step.dependOn(depend_on);
       unit_tests.step.dependOn(&tmpdir_create.step);

       const unittest_step = b.step("unittest", "run unit tests");
       unittest_step.dependOn(&unit_tests.step);
   }
}