add two moudles

ngx_headers_more/t/vars.t

@@ -0,0 +1,58 @@
+# vi:ft=
+
+use lib 'lib';
+use Test::Nginx::Socket; # 'no_plan';
+
+plan tests => 9;
+
+no_diff;
+
+run_tests();
+
+__DATA__
+
+=== TEST 1: vars
+--- config
+    location /foo {
+        echo hi;
+        set $val 'hello, world';
+        more_set_headers 'X-Foo: $val';
+    }
+--- request
+    GET /foo
+--- response_headers
+X-Foo: hello, world
+--- response_body
+hi
+
+
+
+=== TEST 2: vars in both key and val
+--- config
+    location /foo {
+        echo hi;
+        set $val 'hello, world';
+        more_set_headers '$val: $val';
+    }
+--- request
+    GET /foo
+--- response_headers
+$val: hello, world
+--- response_body
+hi
+
+
+
+=== TEST 3: vars in input header directives
+--- config
+    location /foo {
+        set $val 'dog';
+        more_set_input_headers 'Host: $val';
+        echo $host;
+    }
+--- request
+    GET /foo
+--- response_body
+dog
+--- response_headers
+Host: