require.Equal(t, saved, loaded)
}
+func TestMemoryOpensAfterACrashBeforeTheViewSave(t *testing.T) {
+ root := t.TempDir()
+ clock := newTestClock()
+ memory, err := openMemory(t.Context(), root, clock.Now, newFakeSummarizer())
+ require.NoError(t, err)
+
+ _, err = memory.Append("user", "first")
+ require.NoError(t, err)
+
+ saved, err := os.ReadFile(filepath.Join(root, "view.json"))
+ require.NoError(t, err)
+
+ _, err = memory.Append("user", "second")
+ require.NoError(t, err)
+
+ view := memory.View()
+ require.NoError(t, memory.Close())
+
+ // The log and the tree hold message 1, but the view does not.
+ require.NoError(t, os.WriteFile(filepath.Join(root, "view.json"), saved, 0o600))
+
+ memory, err = openMemory(t.Context(), root, clock.Now, newFakeSummarizer())
+ require.NoError(t, err)
+ require.Equal(t, view, memory.View())
+ require.NoError(t, memory.Close())
+}
+
func TestMemoryKeepsTheCompactionViewCoarser(t *testing.T) {
memory, err := openMemory(t.Context(), t.TempDir(), newTestClock().Now, newFakeSummarizer())
require.NoError(t, err)