Add tests.

Author: PiotrSikora

t/proxy.t

@@ -0,0 +1,121 @@
+# vi:filetype=perl
+
+use lib 'lib';
+use Test::Nginx::Socket;
+
+repeat_each(1);
+
+plan tests => repeat_each() * (blocks() * 3 + 3 * 1);
+
+our $http_config = <<'_EOC_';
+    proxy_cache_path  /tmp/ngx_cache_purge  keys_zone=test_cache:10m;
+
+    server {
+        listen  8100;
+
+        location / {
+            root  /etc;
+        }
+    }
+_EOC_
+
+our $config = <<'_EOC_';
+    location /proxy {
+        proxy_pass         http://127.0.0.1:8100/;
+        proxy_cache        test_cache;
+        proxy_cache_key    $uri$is_args$args;
+        proxy_cache_valid  3m;
+        add_header         X-Cache-Status $upstream_cache_status;
+    }
+
+    location ~ /purge(/.*) {
+        proxy_cache_purge  test_cache $1$is_args$args;
+    }
+_EOC_
+
+worker_connections(128);
+no_shuffle();
+run_tests();
+
+no_diff();
+
+__DATA__
+
+=== TEST 1: prepare
+--- http_config eval: $::http_config
+--- config eval: $::config
+--- request
+GET /proxy/passwd
+--- error_code: 200
+--- response_headers
+Content-Type: text/plain
+--- response_body_like: root
+--- timeout: 10
+
+
+
+=== TEST 2: get from cache
+--- http_config eval: $::http_config
+--- config eval: $::config
+--- request
+GET /proxy/passwd
+--- error_code: 200
+--- response_headers
+Content-Type: text/plain
+X-Cache-Status: HIT
+--- response_body_like: root
+--- timeout: 10
+
+
+
+=== TEST 3: purge from cache
+--- http_config eval: $::http_config
+--- config eval: $::config
+--- request
+DELETE /purge/proxy/passwd
+--- error_code: 200
+--- response_headers
+Content-Type: text/html
+--- response_body_like: Successful purge
+--- timeout: 10
+
+
+
+=== TEST 4: purge from empty cache
+--- http_config eval: $::http_config
+--- config eval: $::config
+--- request
+DELETE /purge/proxy/passwd
+--- error_code: 404
+--- response_headers
+Content-Type: text/html
+--- response_body_like: 404 Not Found
+--- timeout: 10
+
+
+
+=== TEST 5: get from source
+--- http_config eval: $::http_config
+--- config eval: $::config
+--- request
+GET /proxy/passwd
+--- error_code: 200
+--- response_headers
+Content-Type: text/plain
+X-Cache-Status: MISS
+--- response_body_like: root
+--- timeout: 10
+
+
+
+=== TEST 6: get from cache (again)
+--- http_config eval: $::http_config
+--- config eval: $::config
+--- request
+GET /proxy/passwd
+--- error_code: 200
+--- response_headers
+Content-Type: text/plain
+X-Cache-Status: HIT
+--- response_body_like: root
+--- timeout: 10