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+<?php

+

+require_once(__DIR__ . '/TelnyxMock.php');

+

+define("MOCK_MINIMUM_VERSION", "0.1.0");

+

+if (\Telnyx\TelnyxMock::start()) {

+    register_shutdown_function('\Telnyx\TelnyxMock::stop');

+

+    define("MOCK_HOST", "localhost");

+    define("MOCK_PORT", \Telnyx\TelnyxMock::getPort());

+} else {

+    define("MOCK_HOST", getenv("TELNYX_MOCK_HOST") ?: "mock");

+    define("MOCK_PORT", getenv("TELNYX_MOCK_PORT") ?: 12111);

+}

+

+define("MOCK_URL", "http://" . MOCK_HOST . ":" . MOCK_PORT);

+

+// Send a request to telnyx-mock

+$ch = curl_init(MOCK_URL);

+curl_setopt($ch, CURLOPT_HEADER, 1);

+curl_setopt($ch, CURLOPT_NOBODY, 1);

+curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);

+$resp = curl_exec($ch);

+

+if (curl_errno($ch)) {

+    echo "Couldn't reach telnyx-mock at `" . MOCK_HOST . ":" . MOCK_PORT . "`. Is " .

+         "it running? Please see README for setup instructions.\n";

+    exit(1);

+}

+

+// Retrieve the Telnyx-Mock-Version header

+$version = null;

+$headers = explode("\n", $resp);

+foreach ($headers as $header) {

+    $pair = explode(":", $header, 2);

+    if ($pair[0] == "Telnyx-Mock-Version") {

+        $version = trim($pair[1]);

+    }

+}

+

+if ($version === null) {

+    echo "Could not retrieve Telnyx-Mock-Version header. Are you sure " .

+         "that the server at `" . MOCK_HOST . ":" . MOCK_PORT . "` is a telnyx-mock " .

+         "instance?";

+    exit(1);

+}

+

+if ($version != "master" && version_compare($version, MOCK_MINIMUM_VERSION) == -1) {

+    echo "Your version of telnyx-mock (" . $version . ") is too old. The minimum " .

+         "version to run this test suite is " . MOCK_MINIMUM_VERSION . ". " .

+         "Please see its repository for upgrade instructions.\n";

+    exit(1);

+}

+

+require_once __DIR__ . '/TestCase.php';