From 535dbda6b48171f8115b455e54790de94d97d42a Mon Sep 17 00:00:00 2001
From: Murilo Ijanc <murilo@ijanc.org>
Date: Sun, 26 Jul 2026 16:41:48 -0300
Subject: Initial import

---
 test/wp.js | 88 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)
 create mode 100644 test/wp.js

(limited to 'test/wp.js')

diff --git a/test/wp.js b/test/wp.js
new file mode 100644
index 0000000..ab2d2a7
--- /dev/null
+++ b/test/wp.js
@@ -0,0 +1,88 @@
+/**
+ * Talking to the WordPress under test.
+ *
+ * Everything goes through WP-CLI in the `cli` container of `compose.yml`, so
+ * the tests configure the store exactly the way a store owner would.
+ *
+ * @module
+ */
+
+import { spawnSync } from "node:child_process";
+import { dirname } from "node:path";
+import { fileURLToPath } from "node:url";
+
+const HERE = dirname(fileURLToPath(import.meta.url));
+
+/** Where the site answers, from the host. */
+export const SITE = "http://127.0.0.1:8090";
+
+/** Hostname the fake API is reached by, from both the browser and PHP. */
+export const FAKE_HOST = "fakecep";
+
+/** Port the fake API listens on. */
+export const FAKE_PORT = 8899;
+
+/** Base URL of the fake API, as both sides must spell it. */
+export const FAKE_URL = `http://${FAKE_HOST}:${FAKE_PORT}`;
+
+/**
+ * Run a WP-CLI command in the container.
+ *
+ * @param {string[]} args Arguments after `wp`.
+ * @returns {string} Trimmed stdout.
+ */
+export function wp(args) {
+  const result = spawnSync("docker", ["compose", "exec", "-T", "cli", "wp", ...args], {
+    cwd: HERE,
+    encoding: "utf8",
+  });
+
+  if (result.status !== 0) {
+    throw new Error(`wp ${args.join(" ")} failed:\n${result.stdout}\n${result.stderr}`);
+  }
+
+  return String(result.stdout).trim();
+}
+
+/**
+ * Run PHP inside WordPress.
+ *
+ * @param {string} code PHP to evaluate.
+ * @returns {string} Trimmed stdout.
+ */
+export function wpEval(code) {
+  return wp(["eval", code]);
+}
+
+/**
+ * Set one option.
+ *
+ * @param {string} name Option name.
+ * @param {string} value Option value.
+ */
+export function setOption(name, value) {
+  wp(["option", "update", name, value]);
+}
+
+/**
+ * Read the WordPress debug log and clear it.
+ *
+ * @returns {string} Whatever had been logged.
+ */
+export function drainDebugLog() {
+  const result = spawnSync(
+    "docker",
+    [
+      "compose",
+      "exec",
+      "-T",
+      "cli",
+      "sh",
+      "-c",
+      "cat /var/www/html/wp-content/debug.log 2>/dev/null; : > /var/www/html/wp-content/debug.log 2>/dev/null || true",
+    ],
+    { cwd: HERE, encoding: "utf8" },
+  );
+
+  return String(result.stdout || "").trim();
+}
-- 
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