diff --git a/packages/hono-openapi-adapter/src/factory/openapi.factory.spec.ts b/packages/hono-openapi-adapter/src/factory/openapi.factory.spec.ts
new file mode 100644
index 0000000..4696fd7
--- /dev/null
+++ b/packages/hono-openapi-adapter/src/factory/openapi.factory.spec.ts
@@ -0,0 +1,98 @@
+import { describe, expect, it } from 'bun:test';
+import { OpenapiFactory } from '@cosmoosjs/hono-openapi';
+import { OpenAPIHono, createRoute, z } from '@hono/zod-openapi';
+
+describe('OpenApiFactory', () => {
+  const server = new OpenAPIHono();
+
+  describe('post requests', async () => {
+    const testPostSchema = OpenapiFactory.generateSchema({
+      schemaName: 'testSchema',
+      params: [
+        {
+          required: true,
+          type: 'string',
+          name: 'email',
+        },
+        {
+          required: true,
+          type: 'string',
+          name: 'name',
+        },
+        {
+          required: true,
+          type: 'string',
+          name: 'password',
+        },
+      ],
+    });
+
+    const postRoute = createRoute({
+      method: 'post',
+      path: '/schemaValidation',
+      request: {
+        body: {
+          content: {
+            'application/json': {
+              schema: testPostSchema,
+            },
+          },
+        },
+      },
+      responses: {
+        200: {
+          content: {
+            'application/json': {
+              schema: z.object({
+                message: z.string(),
+              }),
+            },
+          },
+          description: 'ok',
+        },
+        400: {
+          content: {
+            'application/json': {
+              schema: z.object({}),
+            },
+          },
+          description: 'zod error',
+        },
+      },
+    });
+    server.openapi(postRoute, async (ctx) => {
+      return ctx.json({
+        message: 'ok',
+      });
+    });
+
+    it('it should generate a schema and let the request go', async () => {
+      const res = await server.request('/schemaValidation', {
+        method: 'post',
+        body: JSON.stringify({
+          email: 'salut@gmail.com',
+          name: 'test',
+          password: '123AZN',
+        }),
+      });
+
+      const response = await res.json();
+      expect(res.status).toEqual(200);
+      expect(response).toEqual({
+        message: 'ok',
+      });
+    });
+
+    it('it should generate a schema and return an error because name is missing  ', async () => {
+      const res = await server.request('/schemaValidation', {
+        method: 'post',
+      });
+
+      const response = await res.json();
+      expect(res.status).toEqual(400);
+      expect(response).toMatchObject({
+        success: false,
+      });
+    });
+  });
+});