test: end-to-end MCP smoke test against DDEV
Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01At3V6SjwbMe6eMzVGW3Hs7
This commit is contained in:
Claude Opus 5.5
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#!/usr/bin/env bash
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# End-to-end checks of the OAuth-protected MCP endpoint.
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# Runs INSIDE the DDEV web container (wp-cli and curl available there):
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# cd /home/janniclas/Projekte/WordPress && ddev exec bash wp-content/plugins/WP-LIT-MCP/tests/Integration/mcp-smoke.sh
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set -euo pipefail
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PLUGIN=wp-content/plugins/WP-LIT-MCP
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ENDPOINT=http://localhost/wp-json/mcp/mcp-oauth-server
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cd /var/www/html
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fail() { echo "FAIL: $*"; exit 1; }
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pass() { echo "ok - $*"; }
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# --- Cleanup: remove every "lit-mcp-integration-test" application password
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# this script mints (for every user it mints one for) and the throwaway
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# subscriber it creates. Registered up front so it runs on any exit path
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# (success, fail(), or an unexpected error under `set -e`).
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ADMIN_LOGIN=""
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cleanup_app_passwords_for() { # $1 = user_login
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local login="$1"
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[ -n "$login" ] || return 0
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local escaped=${login//\'/\\\'}
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wp eval "
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\$u = get_user_by('login', '${escaped}');
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if (\$u) {
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foreach (WP_Application_Passwords::get_user_application_passwords(\$u->ID) as \$pw) {
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if ((\$pw['name'] ?? '') === 'lit-mcp-integration-test') {
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WP_Application_Passwords::delete_application_password(\$u->ID, \$pw['uuid']);
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}
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}
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}
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" >/dev/null 2>&1 || true
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}
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cleanup() {
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cleanup_app_passwords_for "$ADMIN_LOGIN"
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cleanup_app_passwords_for lit-smoke-sub
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wp user delete lit-smoke-sub --yes >/dev/null 2>&1 || true
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}
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trap cleanup EXIT
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mcp() { # $1 token, $2 json body, $3 session id (optional) -> prints headers+body
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local session_header=()
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[ -n "${3:-}" ] && session_header=(-H "Mcp-Session-Id: $3")
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curl -s -i -X POST "$ENDPOINT" \
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-H "Authorization: Bearer $1" \
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-H 'Content-Type: application/json' \
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-H 'Accept: application/json, text/event-stream' \
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"${session_header[@]}" -d "$2"
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}
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# 1. Discovery documents
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curl -s http://localhost/.well-known/oauth-protected-resource | grep -q '"resource"' \
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|| fail "protected-resource metadata missing"
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pass "RFC 9728 protected-resource metadata served"
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curl -s http://localhost/.well-known/oauth-authorization-server | grep -q 'client_id_metadata_document_supported' \
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|| fail "authorization-server metadata missing CIMD flag"
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pass "RFC 8414 authorization-server metadata advertises CIMD"
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# 2. Unauthenticated request -> 401 with WWW-Authenticate
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UNAUTH=$(curl -s -i -X POST "$ENDPOINT" -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}')
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echo "$UNAUTH" | head -1 | grep -q ' 401' || fail "expected 401 without token"
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echo "$UNAUTH" | grep -qi '^www-authenticate: Bearer' || fail "missing WWW-Authenticate header"
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pass "401 + WWW-Authenticate without token"
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# 3. Administrator: initialize, tools/list, tools/call
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ADMIN_LOGIN=$(wp user list --role=administrator --field=user_login | head -1)
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TOKEN=$(wp eval-file "$PLUGIN/tests/Integration/mint-token.php" "$ADMIN_LOGIN")
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INIT=$(mcp "$TOKEN" '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{"protocolVersion":"2025-11-25","capabilities":{},"clientInfo":{"name":"smoke","version":"0"}}}')
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SESSION=$(echo "$INIT" | grep -i '^mcp-session-id:' | awk '{print $2}' | tr -d '\r')
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echo "$INIT" | grep -q 'LIT MCP pflegt' || fail "instructions missing in initialize result"
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pass "initialize returns LIT instructions (session: ${SESSION:-none})"
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LIST=$(mcp "$TOKEN" '{"jsonrpc":"2.0","id":2,"method":"tools/list"}' "$SESSION")
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for tool in lit-guide lit-site-status mcp-adapter-execute-ability; do
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echo "$LIST" | grep -q "\"$tool\"" || fail "tools/list lacks $tool"
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done
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pass "tools/list contains direct tools and meta-tools"
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CALL=$(mcp "$TOKEN" '{"jsonrpc":"2.0","id":3,"method":"tools/call","params":{"name":"lit-site-status","arguments":{}}}' "$SESSION")
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echo "$CALL" | grep -q '"isError":false' || fail "lit-site-status failed: $CALL"
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echo "$CALL" | grep -q 'the-events-calendar' || fail "site-status lacks components"
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pass "tools/call lit-site-status works"
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# 4. Token must not authenticate other REST routes (mcp-oauth issue #62)
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ME=$(curl -s -o /dev/null -w '%{http_code}' http://localhost/wp-json/wp/v2/users/me -H "Authorization: Bearer $TOKEN")
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[ "$ME" = "401" ] || fail "MCP token authenticates /wp/v2/users/me (HTTP $ME) – scope filter needed"
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pass "MCP token is rejected on /wp/v2/users/me"
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# 5. Role gate: subscriber has a valid token but must not use tools
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wp user create lit-smoke-sub lit-smoke-sub@example.invalid --role=subscriber >/dev/null
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SUB_TOKEN=$(wp eval-file "$PLUGIN/tests/Integration/mint-token.php" lit-smoke-sub)
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SUB_INIT=$(mcp "$SUB_TOKEN" '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{"protocolVersion":"2025-11-25","capabilities":{},"clientInfo":{"name":"smoke","version":"0"}}}')
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SUB_SESSION=$(echo "$SUB_INIT" | grep -i '^mcp-session-id:' | awk '{print $2}' | tr -d '\r')
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SUB_CALL=$(mcp "$SUB_TOKEN" '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"lit-site-status","arguments":{}}}' "$SUB_SESSION")
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echo "$SUB_CALL" | grep -q '"isError":true\|"error"' || fail "subscriber could call lit-site-status: $SUB_CALL"
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SUB_META=$(mcp "$SUB_TOKEN" '{"jsonrpc":"2.0","id":3,"method":"tools/call","params":{"name":"mcp-adapter-execute-ability","arguments":{"ability_name":"lit/site-status","parameters":{}}}}' "$SUB_SESSION")
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echo "$SUB_META" | grep -q '"isError":true\|"error"' || fail "subscriber could use execute-ability: $SUB_META"
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pass "role gate blocks subscriber (direct tool and meta-tool)"
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echo "ALL CHECKS PASSED"
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@@ -0,0 +1,39 @@
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<?php
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/**
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* Mints an MCP access token for a user, exactly like mcp-oauth's TokenEndpoint
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* does after a completed OAuth flow. For local integration tests only.
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*
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* Usage: wp eval-file tests/Integration/mint-token.php <user_login>
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*
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* Note: no `declare(strict_types=1);` here — PHP forbids that declaration
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* inside eval()'d code, and `wp eval-file` runs this file through eval().
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* Confirmed with a minimal repro during Task 7 (see task-7-report.md).
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*/
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use WPMedia\MCP\OAuth\Auth\JWT;
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use WPMedia\MCP\OAuth\Auth\SecretManager;
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$login = $args[0] ?? '';
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$user = get_user_by('login', $login);
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if (! $user) {
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fwrite(STDERR, "unknown user {$login}\n");
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exit(1);
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}
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[, $item] = WP_Application_Passwords::create_new_application_password(
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$user->ID,
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['name' => 'lit-mcp-integration-test', 'app_id' => 'lit-mcp-integration-test']
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);
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$now = time();
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echo JWT::encode([
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'iss' => home_url(),
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'aud' => get_rest_url(null, 'mcp/mcp-oauth-server'),
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'sub' => (string) $user->ID,
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'app_pass_id' => $item['uuid'],
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'client_id' => 'lit-mcp-integration-test',
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'scope' => 'mcp',
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'iat' => $now,
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'exp' => $now + 600,
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], SecretManager::get_secret());
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