feat: initial release v0.3.0

tests/helpers/request.ts

@@ -0,0 +1,62 @@
+import { NextRequest } from 'next/server'
+
+type HeaderMap = Record<string, string>
+type QueryMap = Record<string, string | number | boolean>
+
+function toJsonBody(body: unknown): string | undefined {
+  if (body === undefined) return undefined
+  return JSON.stringify(body)
+}
+
+function appendQuery(url: URL, query?: QueryMap) {
+  if (!query) return
+  for (const [key, value] of Object.entries(query)) {
+    url.searchParams.set(key, String(value))
+  }
+}
+
+export function buildMockRequest(params: {
+  path: string
+  method: 'GET' | 'POST' | 'PATCH' | 'PUT' | 'DELETE'
+  body?: unknown
+  headers?: HeaderMap
+  query?: QueryMap
+}) {
+  const url = new URL(params.path, 'http://localhost:3000')
+  appendQuery(url, params.query)
+  const jsonBody = toJsonBody(params.body)
+
+  const headers: HeaderMap = {
+    ...(params.headers || {}),
+  }
+  if (jsonBody !== undefined && !headers['content-type']) {
+    headers['content-type'] = 'application/json'
+  }
+
+  return new NextRequest(url, {
+    method: params.method,
+    headers,
+    ...(jsonBody !== undefined ? { body: jsonBody } : {}),
+  })
+}
+
+export async function callRoute<TContext>(
+  handler: (req: NextRequest, ctx: TContext) => Promise<Response>,
+  params: {
+    path: string
+    method: 'GET' | 'POST' | 'PATCH' | 'PUT' | 'DELETE'
+    body?: unknown
+    headers?: HeaderMap
+    query?: QueryMap
+    context: TContext
+  },
+) {
+  const req = buildMockRequest({
+    path: params.path,
+    method: params.method,
+    body: params.body,
+    headers: params.headers,
+    query: params.query,
+  })
+  return await handler(req, params.context)
+}