Merge pull request vozlt#242 from u5surf/test_display_prometheus

test: Add test for display prometheus

.github/workflows/ci.yml

@@ -72,6 +72,12 @@ jobs:
         run: |
           sudo apt install -y cpanminus
           sudo cpanm install Test::Nginx::Socket
+      - name: 'prepare promtool'
+        run: |
+          sudo apt-get update && sudo apt-get install -y curl
+          curl -L $(curl -s https://api.github.com/repos/prometheus/prometheus/releases/latest | grep browser_download_url | grep linux-amd64 | cut -d '"' -f 4) -o prometheus-latest.tar.gz
+          tar xvf prometheus-latest.tar.gz
+          sudo mv prometheus-*/promtool /usr/local/bin
       - name: 'test'
         working-directory: nginx-module-vts
         run: |

t/022.display_prometheus.t

@@ -0,0 +1,53 @@
+# vi:set ft=perl ts=4 sw=4 et fdm=marker:
+
+use Test::Nginx::Socket;
+
+add_response_body_check(
+    sub {
+        my ($block, $body, $req_idx, $repeated_req_idx, $dry_run) = @_;
+        system("echo '$body' | promtool check metrics") == 0 or
+        bail_out "prometheus Syntax error($body)";
+    }
+);
+
+plan tests => repeat_each(2) * blocks() * 3;
+no_shuffle();
+run_tests();
+
+__DATA__
+
+=== TEST 1: /status/format/prometheus
+--- http_config
+    vhost_traffic_status_zone;
+--- config
+    location /status {
+        vhost_traffic_status_display;
+        vhost_traffic_status_display_format prometheus;
+    }
+--- request
+GET /status/format/prometheus
+--- response_headers_like
+Content-Type: text/plain
+--- response_body_like eval
+[
+    'nginx_vts_info',
+]
+
+
+
+=== TEST 2: /status
+--- http_config
+    vhost_traffic_status_zone;
+--- config
+    location /status {
+        vhost_traffic_status_display;
+        vhost_traffic_status_display_format prometheus;
+    }
+--- request
+GET /status
+--- response_headers_like
+Content-Type: text/plain
+--- response_body_like eval
+[
+    'nginx_vts_info',
+]