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Tests: added js tests for js_preload_object directive.
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‎js_preload_object.t

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#!/usr/bin/perl
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# (C) Vadim Zhestikov
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# (C) Nginx, Inc.
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# Tests for http njs module, js_preload_object directive.
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###############################################################################
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use warnings;
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use strict;
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use Test::More;
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BEGIN { use FindBin; chdir($FindBin::Bin); }
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use lib 'lib';
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use Test::Nginx;
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###############################################################################
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select STDERR; $| = 1;
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select STDOUT; $| = 1;
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my $t = Test::Nginx->new()->has(qw/http rewrite/)
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->write_file_expand('nginx.conf', <<'EOF');
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%%TEST_GLOBALS%%
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daemon off;
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events {
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}
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http {
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%%TEST_GLOBALS_HTTP%%
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js_preload_object g1 from g.json;
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js_preload_object ga from ga.json;
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server {
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listen 127.0.0.1:8080;
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server_name localhost;
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js_import lib.js;
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js_preload_object lx from l.json;
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location /test {
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js_content lib.test;
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}
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location /test_query {
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js_import lib1.js;
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js_content lib1.query;
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}
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location /test_query_preloaded {
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js_import lib1.js;
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js_preload_object l.json;
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js_content lib1.query;
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}
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location /test_var {
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js_set $test_var lib.test_var;
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return 200 $test_var;
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}
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location /test_mutate {
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js_content lib.mutate;
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}
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location /test_no_suffix {
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js_preload_object gg from no_suffix;
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js_content lib.suffix;
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}
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}
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}
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EOF
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$t->write_file('lib.js', <<EOF);
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function test(r) {
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r.return(200, ga + ' ' + g1.c.prop[0].a + ' ' + lx);
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}
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function test_var(r) {
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return g1.b[2];
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}
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function mutate(r) {
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var res = "OK";
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try {
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switch (r.args.method) {
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case 'set_obj':
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g1.c.prop[0].a = 5;
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break;
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case 'set_arr':
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g1.c.prop[0] = 5;
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break;
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case 'add_obj':
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g1.c.prop[0].xxx = 5;
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break;
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case 'add_arr':
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g1.c.prop[10] = 5;
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break;
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case 'del_obj':
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delete g1.c.prop[0].a;
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break;
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case 'del_arr':
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delete g1.c.prop[0];
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break;
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}
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} catch (e) {
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res = e.message;
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}
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r.return(200, res);
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}
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function suffix(r) {
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r.return(200, gg);
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}
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export default {test, test_var, mutate, suffix};
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EOF
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$t->write_file('lib1.js', <<EOF);
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function query(r) {
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var res = 'ok';
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try {
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res = r.args.path.split('.').reduce((a, v) => a[v], globalThis);
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} catch (e) {
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res = e.message;
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}
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r.return(200, njs.dump(res));
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}
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export default {query};
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EOF
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$t->write_file('g.json',
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'{"a":1, "b":[1,2,"element",4,5], "c":{"prop":[{"a":2}]}}');
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$t->write_file('ga.json', '"ga loaded"');
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$t->write_file('l.json', '"l loaded"');
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$t->write_file('no_suffix', '"no_suffix loaded"');
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$t->try_run('no js_preload_object available')->plan(12);
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###############################################################################
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like(http_get('/test'), qr/ga loaded 2 l loaded/s, 'direct query');
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like(http_get('/test_query?path=l'), qr/undefined/s, 'unreferenced');
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like(http_get('/test_query_preloaded?path=l'), qr/l loaded/s,
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'reference preload');
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like(http_get('/test_query?path=g1.b.1'), qr/2/s, 'complex query');
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like(http_get('/test_var'), qr/element/s, 'var reference');
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like(http_get('/test_mutate?method=set_obj'), qr/Cannot assign to read-only/s,
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'preload_object props are const (object)');
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like(http_get('/test_mutate?method=set_arr'), qr/Cannot assign to read-only/s,
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'preload_object props are const (array)');
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like(http_get('/test_mutate?method=add_obj'), qr/Cannot add property "xxx"/s,
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'preload_object props are not extensible (object)');
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like(http_get('/test_mutate?method=add_arr'), qr/Cannot add property "10"/s,
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'preload_object props are not extensible (array)');
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like(http_get('/test_mutate?method=del_obj'), qr/Cannot delete property "a"/s,
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'preload_object props are not deletable (object)');
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like(http_get('/test_mutate?method=del_arr'), qr/Cannot delete property "0"/s,
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'preload_object props are not deletable (array)');
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like(http_get('/test_no_suffix'), qr/no_suffix loaded/s,
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'load without suffix');
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###############################################################################

‎stream_js_preload_object.t

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#!/usr/bin/perl
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# (C) Vadim Zhestikov
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# (C) Nginx, Inc.
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# Tests for stream njs module, js_preload_object directive.
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###############################################################################
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use warnings;
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use strict;
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use Test::More;
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BEGIN { use FindBin; chdir($FindBin::Bin); }
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use lib 'lib';
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use Test::Nginx;
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use Test::Nginx::Stream qw/ stream /;
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###############################################################################
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select STDERR; $| = 1;
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select STDOUT; $| = 1;
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my $t = Test::Nginx->new()->has(qw/stream stream_return/)
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->write_file_expand('nginx.conf', <<'EOF');
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%%TEST_GLOBALS%%
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daemon off;
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events {
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}
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stream {
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%%TEST_GLOBALS_STREAM%%
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js_preload_object g1 from g.json;
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js_set $test foo.bar.p;
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js_import lib.js;
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js_import foo from ./main.js;
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server {
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listen 127.0.0.1:8081;
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return $test;
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}
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server {
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listen 127.0.0.1:8082;
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js_access lib.access;
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js_preread lib.preread;
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js_filter lib.filter;
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proxy_pass 127.0.0.1:8083;
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}
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server {
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listen 127.0.0.1:8083;
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return "x";
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}
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}
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EOF
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$t->write_file('lib.js', <<EOF);
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var res = '';
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function access(s) {
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res += g1.a;
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s.allow();
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}
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function preread(s) {
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s.on('upload', function (data) {
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res += g1.b[1];
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if (res.length >= 3) {
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s.done();
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}
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});
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}
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function filter(s) {
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s.on('upload', function(data, flags) {
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s.send(data);
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res += g1.c.prop[0].a;
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});
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s.on('download', function(data, flags) {
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if (!flags.last) {
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res += g1.b[3];
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s.send(data);
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} else {
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res += g1.b[4];
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s.send(res, {last:1});
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s.off('download');
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}
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});
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}
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export default {access, preread, filter};
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EOF
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$t->write_file('main.js', <<EOF);
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export default {bar: {p(s) {return g1.b[2]}}};
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EOF
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$t->write_file('g.json',
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'{"a":1, "b":[1,2,"element",4,5], "c":{"prop":[{"a":3}]}}');
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$t->try_run('no js_preload_object available')->plan(2);
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###############################################################################
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is(stream('127.0.0.1:' . port(8081))->read(), 'element', 'foo.bar.p');
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is(stream('127.0.0.1:' . port(8082))->io('0'), 'x122345', 'lib.access');
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###############################################################################

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