0.2.79 - Slow api fixes

server/internal/cache/cache_test.go

@@ -0,0 +1,29 @@
+package cache
+
+import "testing"
+
+// The index name is derived from the key rather than passed in, so this is the whole of
+// what stands between a user-scoped write and an invalidation that misses it.
+func TestUserIndexFor(t *testing.T) {
+	cases := []struct {
+		name string
+		key  string
+		want string
+	}{
+		{"user view", UserKey("abc123", "home:v4:24"), "idx:u:abc123"},
+		{"view containing colons", UserKey("abc123", "item:v6:9f:2"), "idx:u:abc123"},
+		{"recommendations are deliberately outside the namespace", RecommendationsKey("abc"), ""},
+		{"magic pool likewise", MagicPoolKey("abc"), ""},
+		{"household metadata belongs to nobody", MetadataKey("person:v2:44"), ""},
+		{"a session is not a view", SessionKey("deadbeef"), ""},
+		{"a malformed user key indexes nothing rather than guessing", "u:", ""},
+		{"a user key with no view is not a view either", "u:abc", ""},
+	}
+	for _, test := range cases {
+		t.Run(test.name, func(t *testing.T) {
+			if got := userIndexFor(test.key); got != test.want {
+				t.Fatalf("userIndexFor(%q) = %q, want %q", test.key, got, test.want)
+			}
+		})
+	}
+}