1 file changed, 25 insertions, 0 deletions
diff --git a/tests/t0003-cache.sh b/tests/t0003-cache.sh
index 5e8245b..9ae13ac 100755
--- a/tests/t0003-cache.sh
+++ b/tests/t0003-cache.sh
@@ -230,6 +230,31 @@ test_expect_success 'pages following a branch take the dynamic ttl' '
 	test_line_count = 2 summary.slots
 '
 
+# Only a full object id names a page that can never change, so a page pinned
+# to one alone takes the static ttl, which by default never expires. An
+# abbreviation or a branch name, in either id, can come to mean another
+# commit.
+test_expect_success 'only a page pinned to full ids takes the static ttl' '
+	rm -rf cache3 && mkdir cache3 &&
+	{
+		echo "cache-dynamic-ttl=0" &&
+		cat bigkeyrc
+	} >staticrc &&
+	first=$(git -C repos/bigpage rev-parse HEAD~1) &&
+	short=$(git -C repos/bigpage rev-parse --short HEAD~1) &&
+	for query in "commit/&id=$short" "commit/&id=master" "diff/&id=$first&id2=$short" "diff/&id=master&id2=$first"
+	do
+		cgit_ok staticrc "url=bigpage/$query" >/dev/null || return 1
+	done &&
+	test_dir_is_empty cache3 &&
+	cgit_ok staticrc "url=bigpage/commit/&id=$first" >/dev/null &&
+	ls cache3 >static.slots &&
+	test_line_count = 1 static.slots &&
+	cgit_ok staticrc "url=bigpage/diff/&id=$first&id2=$first" >/dev/null &&
+	ls cache3 >static.slots &&
+	test_line_count = 2 static.slots
+'
+
 # A write into the lock file that fails on the page's last flush has to end
 # as one that fails mid page does, with the fill abandoned and the page
 # delivered from the lock file, rather than in a blank response. The limit