Initial importv0.1.0

1 files changed, 104 insertions, 0 deletions

diff --git a/test/fake-api.js b/test/fake-api.js
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+/**
+ * A fake cep.is, so the test suite never touches the network.
+ *
+ * Same routes, bodies and status codes as the real API, plus a request log the
+ * tests assert on. It listens on every interface because two different clients
+ * have to reach it: the browser on the host, and PHP inside the WordPress
+ * container through the `fakecep` host alias.
+ *
+ * @module
+ */
+
+const ADDRESSES = {
+  "01001000": {
+    cep: "01001000",
+    logradouro: "Praça da Sé",
+    complemento: "lado ímpar",
+    unidade: "",
+    bairro: "Sé",
+    localidade: "São Paulo",
+    uf: "SP",
+    estado: "São Paulo",
+    regiao: "Sudeste",
+    ibge: "3550308",
+    gia: "1004",
+    ddd: "11",
+    siafi: "7107",
+    geo: { lat: -23.567202, lon: -46.649659, raio_m: 1084, precisao: "logradouro" },
+  },
+  20040020: {
+    cep: "20040020",
+    logradouro: "Avenida Rio Branco",
+    complemento: "até 0999 - lado ímpar",
+    unidade: "",
+    bairro: "Centro",
+    localidade: "Rio de Janeiro",
+    uf: "RJ",
+    estado: "Rio de Janeiro",
+    regiao: "Sudeste",
+    ibge: "3304557",
+    gia: "",
+    ddd: "21",
+    siafi: "6001",
+  },
+};
+
+const HEADERS = {
+  "Access-Control-Allow-Origin": "*",
+  "Content-Type": "application/json; charset=utf-8",
+};
+
+/**
+ * Start the fake API.
+ *
+ * `state.requests` collects `{cep, userAgent}` for every lookup, which is how
+ * the proxy tests prove the request came from PHP rather than the browser.
+ *
+ * @param {number} port Port to listen on.
+ * @returns {{port: number, state: {requests: Array<{cep: string, userAgent: string}>}, reset: () => void, stop: () => void}}
+ */
+export function startFakeApi(port) {
+  const state = { requests: [] };
+
+  const server = Bun.serve({
+    port,
+    hostname: "0.0.0.0",
+    fetch(request) {
+      const cep = new URL(request.url).pathname.slice(1);
+      state.requests.push({ cep, userAgent: request.headers.get("user-agent") || "" });
+
+      if (!/^\d{8}$/.test(cep)) {
+        return new Response(
+          JSON.stringify({ erro: "cep_invalido", mensagem: "CEP deve ter 8 dígitos" }),
+          { status: 400, headers: HEADERS },
+        );
+      }
+
+      const address = ADDRESSES[cep];
+      if (!address) {
+        return new Response(
+          JSON.stringify({ erro: "cep_nao_encontrado", mensagem: "CEP não existe na base do DNE" }),
+          { status: 404, headers: HEADERS },
+        );
+      }
+
+      return new Response(JSON.stringify(address), { status: 200, headers: HEADERS });
+    },
+  });
+
+  return {
+    port: server.port,
+    state,
+    reset() {
+      state.requests.length = 0;
+    },
+    stop() {
+      server.stop(true);
+    },
+  };
+}
+
+if (import.meta.main) {
+  const api = startFakeApi(Number(process.argv[2] || 8899));
+  console.log(`fake cep.is on :${api.port}`);
+}