feat(blog): add per-feature InversifyJS container (symbols, module, container)

packages/blog/src/di/container.test.ts

@@ -0,0 +1,36 @@
+import { afterEach, beforeEach, describe, expect, it } from "vitest";
+import { blogContainer } from "./container";
+import { BLOG_SYMBOLS } from "./symbols";
+import { BlogModule } from "./module";
+import { MockArticlesRepository } from "@/infrastructure/repositories/mock-articles.repository";
+import type { IArticlesRepository } from "@/application/repositories/articles-repository.interface";
+
+describe("blogContainer", () => {
+  beforeEach(() => {
+    blogContainer.unbindAll();
+    blogContainer.load(BlogModule);
+  });
+
+  afterEach(() => {
+    blogContainer.unbindAll();
+  });
+
+  it("resolves IArticlesRepository to MockArticlesRepository by default binding", () => {
+    const repo = blogContainer.get<IArticlesRepository>(
+      BLOG_SYMBOLS.IArticlesRepository,
+    );
+    expect(repo).toBeInstanceOf(MockArticlesRepository);
+  });
+
+  it("supports rebinding to a custom repo", () => {
+    blogContainer.unbind(BLOG_SYMBOLS.IArticlesRepository);
+    const custom = new MockArticlesRepository();
+    blogContainer
+      .bind<IArticlesRepository>(BLOG_SYMBOLS.IArticlesRepository)
+      .toConstantValue(custom);
+    const resolved = blogContainer.get<IArticlesRepository>(
+      BLOG_SYMBOLS.IArticlesRepository,
+    );
+    expect(resolved).toBe(custom);
+  });
+});