added a test ensuring that export works from buffers which aren't visiting files

testing/lisp/test-ob-exp.el

@@ -18,7 +18,6 @@
 ;;; Tests
 (ert-deftest test-ob-exp/org-babel-exp-src-blocks/w-no-headers ()
   "Testing export without any headlines in the org-mode file."
-  
   (org-test-in-example-file org-test-no-header-example-file-name
     ;; export the file to html
     (org-export-as-html nil)
@@ -31,6 +30,21 @@
     (should-not (file-exists-p
 		 (concat org-test-no-header-example-file-name "::")))))
 
+(ert-deftest test-ob-exp/org-babel-exp-src-blocks/w-no-file ()
+  "Testing export from buffers which are not visiting any file."
+  (when (get-buffer "*Org HTML Export*") (kill-buffer "*Org HTML Export*"))
+  (should-not (get-buffer "*Org HTML Export*"))
+  ;; export the file to HTML in a temporary buffer
+  (org-test-in-example-file nil (org-export-as-html-to-buffer nil))
+  ;; should create a .html buffer
+  (should (buffer-live-p (get-buffer "*Org HTML Export*")))
+  ;; should contain the content of the buffer
+  (save-excursion
+    (set-buffer (get-buffer "*Org HTML Export*"))
+    (should (string-match (regexp-quote test-org-code-block-anchor)
+			  (buffer-string))))
+  (when (get-buffer "*Org HTML Export*") (kill-buffer "*Org HTML Export*")))
+
 (provide 'test-ob-exp)
 
 ;;; test-ob-exp.el ends here

testing/lisp/test-ob.el

@@ -15,18 +15,18 @@
 (require 'org-test)
 
 (ert-deftest test-org-babel-get-src-block-info-language ()
-  (org-test-at-marker nil "94839181-184f-4ff4-a72f-94214df6f5ba"
+  (org-test-at-marker nil test-org-code-block-anchor
     (let ((info (org-babel-get-src-block-info)))
       (should (string= "emacs-lisp" (nth 0 info))))))
 
 (ert-deftest test-org-babel-get-src-block-info-body ()
-  (org-test-at-marker nil "94839181-184f-4ff4-a72f-94214df6f5ba"
+  (org-test-at-marker nil test-org-code-block-anchor
     (let ((info (org-babel-get-src-block-info)))
-      (should (string-match (regexp-quote "94839181-184f-4ff4-a72f-94214df6f5ba")
+      (should (string-match (regexp-quote test-org-code-block-anchor)
 			    (nth 1 info))))))
 
 (ert-deftest test-org-babel-get-src-block-info-tangle ()
-  (org-test-at-marker nil "94839181-184f-4ff4-a72f-94214df6f5ba"
+  (org-test-at-marker nil test-org-code-block-anchor
     (let ((info (org-babel-get-src-block-info)))
       (should (string= "no" (cdr (assoc :tangle (nth 2 info))))))))
 

testing/org-test.el

@@ -62,6 +62,9 @@ org-test searches this directory up the directory tree.")
 (defconst org-test-no-header-example-file-name
   (expand-file-name "example-file-no-header.org" org-test-dir))
 
+(defconst test-org-code-block-anchor
+  "94839181-184f-4ff4-a72f-94214df6f5ba")
+
 
 ;;; Functions for writing tests