test wordpress transaction naming

tests/integration/frameworks/wordpress/test_wordpress_transaction_name_hooks_off.php

@@ -0,0 +1,51 @@
+<?php
+/*
+ * Copyright 2020 New Relic Corporation. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/*DESCRIPTION
+The agent should name WordPress web transaction as an 'Action' with the
+name generated from the template used to generate the page even when
+WordPress hooks are disabled.
+*/
+
+/*SKIPIF*/
+
+/*INI
+newrelic.framework = wordpress
+newrelic.framework.wordpress.hooks = false
+*/
+
+/*ENVIRONMENT
+REQUEST_METHOD=GET
+*/
+
+/*EXPECT_METRICS_EXIST
+Supportability/InstrumentedFunction/apply_filters
+WebTransaction/Action/template
+*/
+
+/*EXPECT_ERROR_EVENTS null */
+
+// Mock WordPress hooks; only a single callback for a given hook can be defined
+$wp_filters = [];
+
+function add_filter($hook_name, $callback) {
+  global $wp_filters;
+  $wp_filters[$hook_name] = $callback;
+}
+
+function apply_filters($hook_name, $value, ...$args) {
+  global $wp_filters;
+  return call_user_func($wp_filters[$hook_name], $value);
+}
+
+// Hook 'template_include' with an identity filter 
+function identity_filter($value) {
+  return $value;
+}
+add_filter("template_include", "identity_filter");
+
+// Emulate WordPress loading a template to render a page:
+$template = apply_filters("template_include", "./path/to/templates/template.php");

tests/integration/frameworks/wordpress/test_wordpress_transaction_name_hooks_on.php

@@ -0,0 +1,54 @@
+<?php
+/*
+ * Copyright 2020 New Relic Corporation. All rights reserved.
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+/*DESCRIPTION
+The agent should name WordPress web transaction as an 'Action' with the
+name generated from the template used to generate the page. Additionally
+since WordPress hooks are enabled, Framework/WordPress/Hook/template_include
+metric should be generated and the hook function should be instrumented.
+*/
+
+/*SKIPIF*/
+
+/*INI
+newrelic.framework = wordpress
+newrelic.framework.wordpress.hooks = true
+*/
+
+/*ENVIRONMENT
+REQUEST_METHOD=GET
+*/
+
+/*EXPECT_METRICS_EXIST
+Framework/WordPress/Hook/template_include
+Supportability/InstrumentedFunction/add_filter
+Supportability/InstrumentedFunction/apply_filters
+WebTransaction/Action/template
+*/
+
+/*EXPECT_ERROR_EVENTS null */
+
+// Mock WordPress hooks; only a single callback for a given hook can be defined
+$wp_filters = [];
+
+function add_filter($hook_name, $callback) {
+  global $wp_filters;
+  $wp_filters[$hook_name] = $callback;
+}
+
+function apply_filters($hook_name, $value, ...$args) {
+  global $wp_filters;
+  return call_user_func($wp_filters[$hook_name], $value);
+}
+
+// Hook 'template_include' with an identity filter 
+function identity_filter($value) {
+  return $value;
+}
+add_filter("template_include", "identity_filter");
+
+// Emulate WordPress loading a template to render a page:
+$template = apply_filters("template_include", "./path/to/templates/template.php");