refactored adapters to run test suites (#126)

* refactored adapters to run test suites

* fix bun version for tests

* added missing adapter tests and refactored examples to use `bknd.config.ts` where applicable

app/__test__/adapter/adapter.test.ts

@@ -0,0 +1,62 @@
+import { expect, describe, it, beforeAll, afterAll } from "bun:test";
+import * as adapter from "adapter";
+import { disableConsoleLog, enableConsoleLog } from "core/utils";
+import { adapterTestSuite } from "adapter/adapter-test-suite";
+import { bunTestRunner } from "adapter/bun/test";
+
+beforeAll(disableConsoleLog);
+afterAll(enableConsoleLog);
+
+describe("adapter", () => {
+   it("makes config", () => {
+      expect(adapter.makeConfig({})).toEqual({});
+      expect(adapter.makeConfig({}, { env: { TEST: "test" } })).toEqual({});
+
+      // merges everything returned from `app` with the config
+      expect(adapter.makeConfig({ app: (a) => a as any }, { env: { TEST: "test" } })).toEqual({
+         env: { TEST: "test" },
+      } as any);
+   });
+
+   it("reuses apps correctly", async () => {
+      const id = crypto.randomUUID();
+
+      const first = await adapter.createAdapterApp(
+         {
+            initialConfig: { server: { cors: { origin: "random" } } },
+         },
+         undefined,
+         { id },
+      );
+      const second = await adapter.createAdapterApp();
+      const third = await adapter.createAdapterApp(undefined, undefined, { id });
+
+      await first.build();
+      await second.build();
+      await third.build();
+
+      expect(first.toJSON().server.cors.origin).toEqual("random");
+      expect(first).toBe(third);
+      expect(first).not.toBe(second);
+      expect(second).not.toBe(third);
+      expect(second.toJSON().server.cors.origin).toEqual("*");
+
+      // recreate the first one
+      const first2 = await adapter.createAdapterApp(undefined, undefined, { id, force: true });
+      await first2.build();
+      expect(first2).not.toBe(first);
+      expect(first2).not.toBe(third);
+      expect(first2).not.toBe(second);
+      expect(first2.toJSON().server.cors.origin).toEqual("*");
+   });
+
+   adapterTestSuite(bunTestRunner, {
+      makeApp: adapter.createFrameworkApp,
+      label: "framework app",
+   });
+
+   adapterTestSuite(bunTestRunner, {
+      makeApp: adapter.createRuntimeApp,
+      label: "runtime app",
+   });
+});