test: add gloss secondary commands test suite (red phase)

Six test files for the remaining stub commands. All 14 tests fail at
this commit because the implementations are stubs.

`gloss--add-finish-internal' (the pure save side of `gloss-add') gets
N/B/E coverage on validation and the persistence side effect.
`gloss--stats-text' (the pure stats string formatter) covers empty,
populated, and missing-file cases. The interactive commands
(`gloss-edit', `gloss-list-terms', `gloss-reload', `gloss-drill-export')
get smoke tests only — the design treats them as mode-glue with 70%
coverage targets, since prompts and `switch-to-buffer' are framework
behaviour Emacs already tests.

Two error-path tests assert the message contains a specific substring,
not just that `user-error' was raised. The stubs raise `user-error' too,
so a bare `should-error' would pass for the wrong reason. The substring
check anchors red against the real error path.

1 files changed, 24 insertions, 0 deletions

diff --git a/tests/test-gloss--reload-smoke.el b/tests/test-gloss--reload-smoke.el
new file mode 100644
index 0000000..14af147
--- /dev/null
+++ b/tests/test-gloss--reload-smoke.el
@@ -0,0 +1,24 @@
+;;; test-gloss--reload-smoke.el --- Smoke test for gloss-reload -*- lexical-binding: t -*-
+
+;; SPDX-License-Identifier: GPL-3.0-or-later
+
+;;; Commentary:
+;; Smoke test for `gloss-reload'.  Clears the in-memory cache, then the
+;; next lookup repopulates from disk (handled by core's mtime path).
+
+;;; Code:
+
+(require 'ert)
+(require 'gloss)
+(require 'testutil-gloss)
+
+(ert-deftest test-gloss-reload-resets-and-repopulates-cache ()
+  "Smoke: reload clears the cache and the next lookup re-reads from disk."
+  (gloss-test--with-temp-glossary gloss-test--sample-content
+    (gloss-core-lookup "anaphora")
+    (should gloss-core--cache)
+    (gloss-reload)
+    (should (gloss-core-lookup "anaphora"))))
+
+(provide 'test-gloss--reload-smoke)
+;;; test-gloss--reload-smoke.el ends here