test: add trivial test to make sure we actually build

build.zig

@@ -182,11 +182,29 @@ pub fn build(b: *std.Build) void {
         },
     });
 
+    const tests = b.addTest(.{
+        .root_module = b.createModule(.{
+            .root_source_file = b.path("src/syntax.zig"),
+            .target = target,
+            .optimize = optimize,
+            .imports = &.{
+                .{ .name = "build_options", .module = options_mod },
+                .{ .name = "cbor", .module = cbor_dep.module("cbor") },
+                .{ .name = "treez", .module = tree_sitter_dep.module("treez") },
+            },
+        }),
+    });
+
     if (use_tree_sitter) {
         const ts_bin_query_gen_step = b.addRunArtifact(ts_bin_query_gen);
         const output = ts_bin_query_gen_step.addOutputFileArg("bin_queries.cbor");
         syntax_mod.addAnonymousImport("syntax_bin_queries", .{ .root_source_file = output });
+        tests.root_module.addAnonymousImport("syntax_bin_queries", .{ .root_source_file = output });
     }
+
+    const test_run_cmd = b.addRunArtifact(tests);
+    const test_step = b.step("test", "Run unit tests");
+    test_step.dependOn(&test_run_cmd.step);
 }
 
 fn ts_queryfile(b: *std.Build, dep: *std.Build.Dependency, bin_gen: *std.Build.Step.Compile, comptime sub_path: []const u8) void {

src/syntax.zig

@@ -482,3 +482,11 @@ pub fn count_error_nodes(self: *const Self) usize {
     };
     return error_count;
 }
+
+test "simple build and link test" {
+    const zig_file_type = @import("file_type.zig").get_by_name_static("zig") orelse return error.TestFailed;
+    const query_cache = try QueryCache.create(std.testing.io, std.testing.allocator, .{});
+    defer query_cache.deinit();
+    const syntax = try create(zig_file_type, std.testing.allocator, query_cache);
+    _ = syntax;
+}