Fix src block cache (#598)

* Fixup for `Refactor source block caching`

f2092cc renamed these methods but missed their use in this test.

* Fix source block caching.

The extra `list` is inconsistent with the expected cache structure.  The
rest of this function assumes a single-depth list.

Author: tmurph

jupyter-org-client.el

@@ -618,11 +618,11 @@ source block, return non-nil.  Otherwise, when `point' is not
 inside a Jupyter src-block, return nil."
   (unless jupyter-org--src-block-cache
     (setq jupyter-org--src-block-cache
-          (list (list 'invalid nil (make-marker)
-                      (let ((end (make-marker)))
-                        ;; Move the end marker when text is inserted
-                        (set-marker-insertion-type end t)
-                        end)))))
+          (list 'invalid nil (make-marker)
+                (let ((end (make-marker)))
+                  ;; Move the end marker when text is inserted
+                  (set-marker-insertion-type end t)
+                  end))))
   (if (org-in-src-block-p 'inside)
       (or (jupyter-org--at-cached-src-block-p)
           (when-let* ((el (org-element-at-point))

test/jupyter-test.el

@@ -2170,10 +2170,10 @@ Image(filename='%s', width=300)" file)
      (forward-line)
      (end-of-line)
      (should-not jupyter-org--src-block-cache)
-     (should-not (jupyter-org--same-src-block-p))
-     (jupyter-org--set-current-src-block)
+     (should-not (jupyter-org--at-cached-src-block-p))
+     (jupyter-org--set-src-block-cache)
      (should jupyter-org--src-block-cache)
-     (should (jupyter-org--same-src-block-p))
+     (should (jupyter-org--at-cached-src-block-p))
      (cl-destructuring-bind (params beg end)
          jupyter-org--src-block-cache
        (should (equal (alist-get :session params) jupyter-org-test-session))