Add integration for Deno bdd and @effection-contrib/test-adapter

Author: cowboyd

deno.json

@@ -6,6 +6,8 @@
     "compile": "deno compile -o lspx --allow-env --allow-run main.ts"
   },
   "imports": {
+    "@effection-contrib/test-adapter": "jsr:@effection-contrib/test-adapter@^0.1.0",
+    "@std/testing": "jsr:@std/testing@^1.0.9",
     "effection": "jsr:@effection/effection@^4.0.0-alpha.7",
     "@std/assert": "jsr:@std/assert@1",
     "vscode-jsonrpc": "npm:vscode-jsonrpc@^8.2.1",

deno.lock

@@ -0,0 +1,41 @@
+import {
+  createTestAdapter,
+  type TestAdapter,
+} from "@effection-contrib/test-adapter";
+
+import * as bdd from "@std/testing/bdd";
+
+export interface EffectionTestContext {
+  ["@effectionx/test-adapter"]: TestAdapter;
+}
+
+export function describe(name: string, body: () => void) {
+  return bdd.describe(name, () => {
+    bdd.beforeAll<EffectionTestContext>(function () {
+      let parent = this["@effectionx/test-adapter"];
+      this["@effectionx/test-adapter"] = createTestAdapter({ name, parent });
+    });
+    bdd.afterAll<EffectionTestContext>(async function () {
+      let current = this["@effectionx/test-adapter"];
+      this["@effectionx/test-adapter"] = current.parent!;
+      await current.destroy();
+    });
+    body();
+  });
+}
+
+export type BeforeEachArgs = Parameters<TestAdapter["addSetup"]>
+
+export function beforeEach(...args: BeforeEachArgs): void {
+  bdd.beforeEach<EffectionTestContext>(function() {
+    this["@effectionx/test-adapter"].addSetup(...args);
+  });
+}
+
+export type ItBody = Parameters<TestAdapter["runTest"]>[0];
+
+export function it(name: string, body: ItBody): void {
+  bdd.it<EffectionTestContext>(name, function() {
+    return this["@effectionx/test-adapter"].runTest(body);
+  })
+}

test/bdd.ts

@@ -0,0 +1,9 @@
+import { beforeEach, describe, it } from "./bdd.ts";
+
+describe("lspx", function () {
+  beforeEach(function* () {
+    /* start a multiplexed server */
+  });
+  it("returns the capabilities of all multiplexed servers", function* () {
+  });
+});