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Diffstat (limited to 'tests/test-prog-json--json-format-buffer.el')
| -rw-r--r-- | tests/test-prog-json--json-format-buffer.el | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/tests/test-prog-json--json-format-buffer.el b/tests/test-prog-json--json-format-buffer.el index 227eafb9..70d7e98b 100644 --- a/tests/test-prog-json--json-format-buffer.el +++ b/tests/test-prog-json--json-format-buffer.el @@ -7,9 +7,40 @@ ;;; Code: (require 'ert) +(require 'cl-lib) (require 'json) (require 'prog-json) +;;; argv path — process invocation (stubbed, no shell) + +(ert-deftest test-prog-json--json-format-buffer-invokes-jq-argv () + "Normal: with jq present, the formatter calls jq via argv, no shell." + (let (program args) + (cl-letf (((symbol-function 'executable-find) (lambda (_p) "/usr/bin/jq")) + ((symbol-function 'call-process-region) + (lambda (_start _end prog &rest rest) + (setq program prog + args (nthcdr 3 rest)) + (with-current-buffer (nth 1 rest) (insert "{}")) + 0))) + (with-temp-buffer + (insert "{\"a\":1}") + (cj/json-format-buffer))) + (should (equal "jq" program)) + (should (equal '("--sort-keys" ".") args)))) + +(ert-deftest test-prog-json--json-format-buffer-no-clobber-on-failure () + "Error: a non-zero jq exit leaves the buffer untouched and signals an error." + (cl-letf (((symbol-function 'executable-find) (lambda (_p) "/usr/bin/jq")) + ((symbol-function 'call-process-region) + (lambda (_start _end _prog _delete buffer &rest _) + (with-current-buffer buffer (insert "jq: parse error")) + 1))) + (with-temp-buffer + (insert "{not valid json}") + (should-error (cj/json-format-buffer) :type 'user-error) + (should (string= (buffer-string) "{not valid json}"))))) + ;;; Normal Cases — jq path (ert-deftest test-prog-json--json-format-buffer-normal-formats-object () |