From 8df3db566a3a937b45ebf11adb90d265e6f5e2d4 Mon Sep 17 00:00:00 2001
From: Andreas Baumann <mail@andreasbaumann.cc>
Date: Sun, 17 Nov 2019 20:45:02 +0100
Subject: initial checking of customized version 1.0rc9

---
 .../Guzzle/Tests/Http/Message/HeaderComparison.php | 135 +++++++++++++++++++++
 1 file changed, 135 insertions(+)
 create mode 100644 vendor/guzzle/guzzle/tests/Guzzle/Tests/Http/Message/HeaderComparison.php

(limited to 'vendor/guzzle/guzzle/tests/Guzzle/Tests/Http/Message/HeaderComparison.php')

diff --git a/vendor/guzzle/guzzle/tests/Guzzle/Tests/Http/Message/HeaderComparison.php b/vendor/guzzle/guzzle/tests/Guzzle/Tests/Http/Message/HeaderComparison.php
new file mode 100644
index 0000000..a3f511b
--- /dev/null
+++ b/vendor/guzzle/guzzle/tests/Guzzle/Tests/Http/Message/HeaderComparison.php
@@ -0,0 +1,135 @@
+<?php
+
+namespace Guzzle\Tests\Http\Message;
+
+use Guzzle\Common\Collection;
+use Guzzle\Http\Message\Header\HeaderCollection;
+
+/**
+ * Class used to compare HTTP headers using a custom DSL
+ */
+class HeaderComparison
+{
+    /**
+     * Compare HTTP headers and use special markup to filter values
+     * A header prefixed with '!' means it must not exist
+     * A header prefixed with '_' means it must be ignored
+     * A header value of '*' means anything after the * will be ignored
+     *
+     * @param array $filteredHeaders Array of special headers
+     * @param array $actualHeaders   Array of headers to check against
+     *
+     * @return array|bool Returns an array of the differences or FALSE if none
+     */
+    public function compare($filteredHeaders, $actualHeaders)
+    {
+        $expected = array();
+        $ignore = array();
+        $absent = array();
+
+        if ($actualHeaders instanceof HeaderCollection) {
+            $actualHeaders = $actualHeaders->toArray();
+        }
+
+        foreach ($filteredHeaders as $k => $v) {
+            if ($k[0] == '_') {
+                // This header should be ignored
+                $ignore[] = str_replace('_', '', $k);
+            } elseif ($k[0] == '!') {
+                // This header must not be present
+                $absent[] = str_replace('!', '', $k);
+            } else {
+                $expected[$k] = $v;
+            }
+        }
+
+        return $this->compareArray($expected, $actualHeaders, $ignore, $absent);
+    }
+
+    /**
+     * Check if an array of HTTP headers matches another array of HTTP headers while taking * into account as a wildcard
+     *
+     * @param array            $expected Expected HTTP headers (allows wildcard values)
+     * @param array|Collection $actual   Actual HTTP header array
+     * @param array            $ignore   Headers to ignore from the comparison
+     * @param array            $absent   Array of headers that must not be present
+     *
+     * @return array|bool Returns an array of the differences or FALSE if none
+     */
+    public function compareArray(array $expected, $actual, array $ignore = array(), array $absent = array())
+    {
+        $differences = array();
+
+        // Add information about headers that were present but weren't supposed to be
+        foreach ($absent as $header) {
+            if ($this->hasKey($header, $actual)) {
+                $differences["++ {$header}"] = $actual[$header];
+                unset($actual[$header]);
+            }
+        }
+
+        // Check if expected headers are missing
+        foreach ($expected as $header => $value) {
+            if (!$this->hasKey($header, $actual)) {
+                $differences["- {$header}"] = $value;
+            }
+        }
+
+        // Flip the ignore array so it works with the case insensitive helper
+        $ignore = array_flip($ignore);
+        // Allow case-insensitive comparisons in wildcards
+        $expected = array_change_key_case($expected);
+
+        // Compare the expected and actual HTTP headers in no particular order
+        foreach ($actual as $key => $value) {
+
+            // If this is to be ignored, the skip it
+            if ($this->hasKey($key, $ignore)) {
+                continue;
+            }
+
+            // If the header was not expected
+            if (!$this->hasKey($key, $expected)) {
+                $differences["+ {$key}"] = $value;
+                continue;
+            }
+
+            // Check values and take wildcards into account
+            $lkey = strtolower($key);
+            $pos = is_string($expected[$lkey]) ? strpos($expected[$lkey], '*') : false;
+
+            foreach ((array) $actual[$key] as $v) {
+                if (($pos === false && $v != $expected[$lkey]) || $pos > 0 && substr($v, 0, $pos) != substr($expected[$lkey], 0, $pos)) {
+                    $differences[$key] = "{$value} != {$expected[$lkey]}";
+                }
+            }
+        }
+
+        return empty($differences) ? false : $differences;
+    }
+
+    /**
+     * Case insensitive check if an array have a key
+     *
+     * @param string $key   Key to check
+     * @param array  $array Array to check
+     *
+     * @return bool
+     */
+    protected function hasKey($key, $array)
+    {
+        if ($array instanceof Collection) {
+            $keys = $array->getKeys();
+        } else {
+            $keys = array_keys($array);
+        }
+
+        foreach ($keys as $k) {
+            if (!strcasecmp($k, $key)) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+}
-- 
cgit v1.2.3-54-g00ecf