It still only works for one-arg functions, but...

(also there is a problem with flushing the output file)

src/testgen/core.clj

@@ -111,6 +111,10 @@
 						(cond (= (first form) 'defn)
 							(do 
 								(println (first (rest form)) "...")
-								(pprint (testgen form extra-vars) dickens)))))))
+								(pprint (testgen form extra-vars) dickens)
+								(.write dickens "\n\n;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;\n\n")
+								))))
+				(.write dickens "\n\n;; end of file ;;\n\n")
+				(.flush dickens)))
     (catch Exception eof)))
 

test/testgen/core_test.clj

@@ -39,6 +39,10 @@
      "Convert val into a form in which, after being passed through the pretty\n\tprinter, it will be reconstituted in a form useful to the test")
     ''"Convert val into a form in which, after being passed through the pretty\n\tprinter, it will be reconstituted in a form useful to the test"))
   (is (= (maybe-quote true) ''true))))
+
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
 (deftest
  test-write-test
  (testing
@@ -58,6 +62,10 @@
   (is (thrown? clojure.lang.ArityException (write-test 1.0E-4)))
   (is (thrown? clojure.lang.ArityException (write-test -1.0E-4)))
   (is (thrown? clojure.lang.ArityException (write-test generic-args)))))
+
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
 (deftest
  test-constant?
  (testing
@@ -74,6 +82,10 @@
   (is (= (constant? 1.0E-4) 'true))
   (is (= (constant? -1.0E-4) 'true))
   (is (= (constant? generic-args) 'false))))
+
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
 (deftest
  test-constants
  (testing
@@ -98,6 +110,10 @@
     (constants
      "return a list of all elements in this form which are constants")
     '()))))
+
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
 (deftest
  test-find-interesting-args
  (testing
@@ -163,6 +179,10 @@
    (thrown? clojure.lang.ArityException (find-interesting-args 0.0)))
   (is
    (thrown? clojure.lang.ArityException (find-interesting-args true)))))
+
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
 (deftest
  test-testgen
  (testing
@@ -181,6 +201,10 @@
   (is (thrown? clojure.lang.ArityException (testgen -1.0E-4)))
   (is (thrown? clojure.lang.ArityException (testgen generic-args)))
   (is (thrown? clojure.lang.ArityException (testgen "test-")))))
+
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
 (deftest
  test-clean-filename
  (testing
@@ -238,6 +262,10 @@
   (is (thrown? java.lang.IllegalArgumentException (clean-filename 3)))
   (is
    (thrown? java.lang.IllegalArgumentException (clean-filename true)))))
+
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
 (deftest
  test-test-filename
  (testing
@@ -287,6 +315,10 @@
   (is (= (test-filename "") '"test/_test.clj"))
   (is (= (test-filename "test/") '"test/test/_test.clj"))
   (is (= (test-filename "_test.clj") '"test/_test_test.clj"))))
+
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
 (deftest
  test-packagename-from-filename
  (testing
@@ -344,6 +376,10 @@
      "Return, as a symbol, the package name associated with this filename. There's\n  probably a better way of doing this.")))
   (is (= (packagename-from-filename "/") (symbol ".")))
   (is (= (packagename-from-filename ".") (symbol ".")))))
+
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
 (deftest
  test-find-vars-in-reader
  (testing
@@ -362,6 +398,10 @@
   (is (= (find-vars-in-reader generic-args) 'nil))
   (is (= (find-vars-in-reader nil) 'nil))
   (is (= (find-vars-in-reader true) 'nil))))
+
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
 (deftest
  test-find-vars-in-file
  (testing
@@ -408,6 +448,10 @@
    (thrown?
     java.lang.IllegalArgumentException
     (find-vars-in-file generic-args)))))
+
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+
 (deftest
  test-generate-tests
  (testing
@@ -444,4 +488,13 @@
      ";; auto-generated by testgen - see https://github.com/simon-brooke/testgen\n\n")
     'nil))
   (is (= (generate-tests "reading...") 'nil))
-  (is (= (generate-tests "...") 'nil))))
+  (is (= (generate-tests "...") 'nil))
+  (is
+   (=
+    (generate-tests "\n\n;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;\n\n")
+    'nil))
+  (is (= (generate-tests "\n\n;; end of file ;;\n\n") 'nil))))
+
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+