From 1b307e7f881280685d33ba2b831b6761751eba15 Mon Sep 17 00:00:00 2001
From: Alexander Van der Bellen <alexandervanderbellen@catalyst-au.net>
Date: Mon, 4 Sep 2023 12:42:47 +0800
Subject: [PATCH] Update unit tests, update new function, add unit tests for
 old function

---
 classes/script_metadata.php                 | 38 ++++++++++++---------
 classes/web_processor.php                   |  4 ++-
 tests/tool_excimer_script_metadata_test.php | 35 +++++++++++++++----
 3 files changed, 53 insertions(+), 24 deletions(-)

diff --git a/classes/script_metadata.php b/classes/script_metadata.php
index ddeb11b..eedcdc5 100644
--- a/classes/script_metadata.php
+++ b/classes/script_metadata.php
@@ -226,30 +226,34 @@ public static function get_request(): string {
 
     /**
      * Gets the name of the script.
-     * @param string $scriptpath
+     * Parameters are share the names of globals as a hint to the caller.
+     * @param string $ME
+     * @param string $SCRIPT
      * @return string the request path for this profile.
      */
-    public static function get_normalised_relative_script_path(string $scriptpath = null): string {
-        global $SCRIPT;
-
-        if (!isset($scriptpath)) {
-
-            if (!isset($SCRIPT)) {
-                return self::REQUEST_UNKNOWN;
-            }
-
+    public static function get_normalised_relative_script_path(?string $ME, ?string $SCRIPT): string {
+        if (isset($ME)) {
+            $scriptpath = $ME;
+        } else if (isset($SCRIPT)) {
             $scriptpath = $SCRIPT;
         } else {
-            // The $SCRIPT global has a leading slash, no consecutive slashes, and appends 'index.php' if there is a trailing slash.
-            // This else block normalises $scriptpath to match the format of $SCRIPT.
-
-            $scriptpath = '/' . $scriptpath;
-            $scriptpath = preg_replace('/\/+/', '/', $scriptpath);
-            $scriptpath = preg_replace('/\/$/', '/index.php', $scriptpath, 1);
+            return self::REQUEST_UNKNOWN;
         }
 
+        // Remove consecutive slashes.
+        $scriptpath = preg_replace('/\/+/', '/', $scriptpath);
+
+        // Strip pathinfo.
+        $scriptpath = preg_replace('/\.php.*$/', '.php', $scriptpath, 1);
+
+        // Strip off the query string ($ME includes this).
+        $scriptpath = preg_replace('/\?.*$/', '', $scriptpath);
+
+        // Remove 'index.php' from the end ($SCRIPT includes this).
         $scriptpath = preg_replace('/\/index\.php$/', '', $scriptpath, 1);
-        $scriptpath = ltrim($scriptpath, '/');
+
+        // Remove leading and trailing slashes.
+        $scriptpath = trim($scriptpath, '/');
 
         if ($scriptpath === '') {
             return '/';
diff --git a/classes/web_processor.php b/classes/web_processor.php
index e9055db..502dc9a 100644
--- a/classes/web_processor.php
+++ b/classes/web_processor.php
@@ -59,7 +59,9 @@ public function init(manager $manager) {
         // Record and set initial memory usage at this point.
         $memoryusage = memory_get_usage();
 
-        $request = script_metadata::get_normalised_relative_script_path();
+        global $ME, $SCRIPT;
+
+        $request = script_metadata::get_normalised_relative_script_path($ME, $SCRIPT);
         $starttime = (int) $manager->get_starttime();
         $this->sampleset = new sample_set($request, $starttime);
 
diff --git a/tests/tool_excimer_script_metadata_test.php b/tests/tool_excimer_script_metadata_test.php
index a90bd48..a2f628f 100644
--- a/tests/tool_excimer_script_metadata_test.php
+++ b/tests/tool_excimer_script_metadata_test.php
@@ -188,6 +188,27 @@ public function sampling_limit_provider(): array {
         ];
     }
 
+    /**
+     * Tests script_metadata::get_request().
+     * @dataProvider normalised_relative_script_path_provider
+     * @covers \tool_excimer\script_metadata::get_request
+     */
+    public function test_get_request(string $pathinfo, string $expected) {
+        script_metadata::init();
+
+        global $SCRIPT, $ME;
+        $globalscript = $SCRIPT ?? null;
+        $globalme = $ME ?? null;
+
+        $SCRIPT = $pathinfo;
+        $ME = $pathinfo;
+        $this->assertEquals($expected, script_metadata::get_request());
+
+        $SCRIPT = $globalscript;
+        $ME = $globalme;
+    }
+
+
     /**
      * Tests script_metadata::get_normalised_relative_script_path().
      * @dataProvider normalised_relative_script_path_provider
@@ -197,7 +218,8 @@ public function sampling_limit_provider(): array {
      */
     public function test_get_normalised_relative_script_path(string $pathinfo, string $expected) {
         script_metadata::init();
-        $this->assertEquals($expected, script_metadata::get_normalised_relative_script_path($pathinfo));
+        // $this->assertEquals($expected, script_metadata::get_normalised_relative_script_path($pathinfo, null));
+        $this->assertEquals($expected, script_metadata::get_normalised_relative_script_path(null, $pathinfo));
     }
 
     /**
@@ -220,13 +242,14 @@ public function normalised_relative_script_path_provider(): array {
             ['/////hello////world///', 'hello/world'],
             ['/////hello////world/index.php', 'hello/world'],
             ['/////hello////world///index.php', 'hello/world'],
-            ['/////hello////world/index.php///', 'hello/world/index.php'],
+            ['/////hello////world/index.php///', 'hello/world'],
             ['/index.php', '/'],
-            ['/my//index.php////', 'my/index.php'],
-            ['/my//index.php////index.php', 'my/index.php'],
-            ['/my//index.php////index.php/', 'my/index.php/index.php'],
+            ['/my//index.php////', 'my'],
+            ['/my//index.php////index.php', 'my'],
+            ['/my//index.php////index.php/', 'my'],
+            ['/my//index.php////index.php/hello/world?param=value&param2=value', 'my'],
             ['https://example.com//index.php', 'https:/example.com'],
-            ['https://example.com/index.php/', 'https:/example.com/index.php'],
+            ['https://example.com/index.php/', 'https:/example.com'],
         ];
     }