[njs] Tests: detection when "xml" module is disabled.

[Dmitry Volyntsev]

details:   https://hg.nginx.org/njs/rev/9a6a79e21822
branches:  
changeset: 2241:9a6a79e21822
user:      Dmitry Volyntsev <xeioex at nginx.com>
date:      Wed Nov 29 18:43:37 2023 -0800
description:
Tests: detection when "xml" module is disabled.

diffstat:

 test/harness/compatXml.js             |  11 ++++++++++-
 test/xml/external_entity_ignored.t.js |   3 +--
 test/xml/saml_verify.t.js             |   2 +-
 3 files changed, 12 insertions(+), 4 deletions(-)

diffs (44 lines):

diff -r 6a72cee054f6 -r 9a6a79e21822 test/harness/compatXml.js
--- a/test/harness/compatXml.js	Mon Nov 27 18:43:36 2023 -0800
+++ b/test/harness/compatXml.js	Wed Nov 29 18:43:37 2023 -0800
@@ -4,5 +4,14 @@ if (typeof require == 'function'
     && typeof njs == 'object'
     && typeof njs.version == 'string')
 {
-    xml = require('xml');
+    try {
+        xml = require('xml');
+
+    } catch (e) {
+        // ignore
+    }
 }
+
+function has_xml() {
+    return xml;
+}
diff -r 6a72cee054f6 -r 9a6a79e21822 test/xml/external_entity_ignored.t.js
--- a/test/xml/external_entity_ignored.t.js	Mon Nov 27 18:43:36 2023 -0800
+++ b/test/xml/external_entity_ignored.t.js	Wed Nov 29 18:43:37 2023 -0800
@@ -11,8 +11,7 @@ let data = `<?xml version="1.0"?>
 <root>&c;</root>
 `;
 
-if (has_njs()) {
-    const xml = require('xml');
+if (has_njs() && has_xml()) {
     let doc = xml.parse(data);
     assert.sameValue(doc.$root.$text, "");
 }
diff -r 6a72cee054f6 -r 9a6a79e21822 test/xml/saml_verify.t.js
--- a/test/xml/saml_verify.t.js	Mon Nov 27 18:43:36 2023 -0800
+++ b/test/xml/saml_verify.t.js	Wed Nov 29 18:43:37 2023 -0800
@@ -280,7 +280,7 @@ function p(args, default_opts) {
 
 let saml_verify_tsuite = {
     name: "SAML verify",
-    skip: () => (!has_njs() || !has_fs() || !has_webcrypto()),
+    skip: () => (!has_njs() || !has_fs() || !has_webcrypto() || !has_xml()),
     T: verify,
     prepare_args: p,
     opts: {