test-project-port: connect to server to verify that it's up

pollen/test/test-project-port.rkt

@@ -1,21 +1,28 @@
 #lang racket/base
 
-(require rackunit
-         racket/port
-         racket/runtime-path)
+(require racket/port
+         racket/runtime-path
+         racket/tcp
+         rackunit)
 
 (define-runtime-path project-port-dir "data/project-port")
 
-(define thd #f)
-(define-values (in out) (make-pipe))
-(parameterize ([exit-handler (lambda (code)
-                               (fail (format "abnormal exit from raco command~n  code: ~a" code))
-                               (kill-thread thd))])
-  (set! thd
+(define the-port
+  (dynamic-require
+   `(submod ,(build-path project-port-dir "pollen.rkt") setup)
+   'project-server-port))
+
+(define-values (in out)
+  (make-pipe))
+
+(define thd
   (parameterize ([current-output-port out]
                  [current-error-port out]
                  [current-directory project-port-dir]
-                       [current-command-line-arguments (vector "start")])
+                 [current-command-line-arguments (vector "start")]
+                 [exit-handler (lambda (code)
+                                 (fail (format "abnormal exit from raco command~n  code: ~a" code))
+                                 (kill-thread thd))])
     (thread
      (lambda ()
        (dynamic-require '(submod pollen/private/command raco) #f)))))
@@ -25,12 +32,20 @@
   (lambda ()
     (sync
      (handle-evt
-        (regexp-match-evt #rx"project server is http://localhost:9876" in)
+      (regexp-match-evt #rx"ready to rock" in)
       void)
      (handle-evt
       (alarm-evt (+ (current-inexact-milliseconds) 5000))
       (lambda (_)
-          (fail "timed out while waiting for server to start")))))
+        (fail "timed out while waiting for server to start"))))
+
+    (with-handlers ([exn:fail?
+                     (lambda (e)
+                       (fail (format "failed to connect to server: ~a" (exn-message e))))])
+      (define-values (cin cout)
+        (tcp-connect "127.0.0.1" the-port))
+      (close-output-port cout)
+      (close-input-port cin)))
   (lambda ()
     (break-thread thd)
-      (thread-wait thd))))
+    (thread-wait thd)))