[njs] Tests: adapt stream_js_preload_object.t to nginx changes.

[Dmitry Volyntsev]

details:   https://hg.nginx.org/njs/rev/454d9c032c60
branches:  
changeset: 2306:454d9c032c60
user:      Dmitry Volyntsev <xei...@nginx.com>
date:      Mon Apr 01 23:13:24 2024 -0700
description:
Tests: adapt stream_js_preload_object.t to nginx changes.

Make the test more robust against changes in nginx, specifically
cf890df37bb6 (Stream: socket peek in preread phase).

The filter callbacks may be called multiple times by nginx and the exact
number is not specified. The new test avoids relying on the exact number
of calls from nginx.

diffstat:

 nginx/t/stream_js_preload_object.t |  21 ++++++++++-----------
 1 files changed, 10 insertions(+), 11 deletions(-)

diffs (56 lines):

diff -r 498b2387ef04 -r 454d9c032c60 nginx/t/stream_js_preload_object.t
--- a/nginx/t/stream_js_preload_object.t        Mon Apr 01 23:13:23 2024 -0700
+++ b/nginx/t/stream_js_preload_object.t        Mon Apr 01 23:13:24 2024 -0700
@@ -66,16 +66,17 @@ EOF
 
 $t->write_file('lib.js', <<EOF);
     var res = '';
+    var acc, pup, fup, fdown;
 
     function access(s) {
-        res += g1.a;
+        acc = g1.a;
         s.allow();
     }
 
     function preread(s) {
         s.on('upload', function (data) {
-            res += g1.b[1];
-            if (res.length >= 3) {
+            pup = g1.b[1];
+            if (data.length > 0) {
                 s.done();
             }
         });
@@ -83,18 +84,16 @@ EOF
 
     function filter(s) {
         s.on('upload', function(data, flags) {
+            fup = g1.c.prop[0].a;
             s.send(data);
-            res += g1.c.prop[0].a;
         });
 
         s.on('download', function(data, flags) {
-            if (!flags.last) {
-                res += g1.b[3];
-                s.send(data);
+            fdown = g1.b[3];
+            s.send(data);
 
-            } else {
-                res += g1.b[4];
-                s.send(res, {last:1});
+            if (flags.last) {
+                s.send(`\${acc}\${pup}\${fup}\${fdown}`, flags);
                 s.off('download');
             }
         });
@@ -117,6 +116,6 @@ EOF
 ###############################################################################
 
 is(stream('127.0.0.1:' . port(8081))->read(), 'element', 'foo.bar.p');
-is(stream('127.0.0.1:' . port(8082))->io('0'), 'x122345', 'lib.access');
+is(stream('127.0.0.1:' . port(8082))->io('0'), 'x1234', 'filter chain');
 
 ###############################################################################
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