fixing broken build

scribblings/basics.scrbl

@@ -18,7 +18,8 @@ The @exec{raco cover} command accepts the following flags:
                               This will then read COVERALLS_REPO_TOKEN from the environment
                               and submit the report to coveralls using that repo token. It should be
                               noted that, for the moment, coveralls requires both bash and curl to
-                              run.}]}
+                              run.
+                              This is also suitable for pushing to coveralls from Travis CI.}]}
 
          @item{@Flag{d} or @DFlag{directory}
                --- Specifies the directory output the coverage too.

tests/error.rkt

@@ -1,18 +1,19 @@
 #lang racket
-(require "../main.rkt" rackunit)
+(require "../main.rkt" rackunit racket/runtime-path)
 
+(define-runtime-path error "error-file.rkt")
+(define-runtime-path main "main.rkt")
 (test-begin
  (after
   (define (do-test files)
     (apply test-files! files)
     (define c (get-test-coverage))
-    (define covered
-      (map (compose path->string last explode-path) files))
+    (define covered (hash-keys c))
     (for-each
      (lambda (x) (check-not-false (member x covered)))
      files)
     (clear-coverage!))
-  (define files (list "error-file.rkt" "prog.rkt"))
+  (define files (map path->string (list error main)))
   (do-test files)
   (do-test (reverse files))
   (clear-coverage!)))