src/librustc_incremental/persist/fs/tests.rs

   1 use super::*;
   2
   3 #[test]
   4 fn test_all_except_most_recent() {
   5     assert_eq!(
   6         all_except_most_recent(vec![
   7             (UNIX_EPOCH + Duration::new(4, 0), PathBuf::from("4"), None),
   8             (UNIX_EPOCH + Duration::new(1, 0), PathBuf::from("1"), None),
   9             (UNIX_EPOCH + Duration::new(5, 0), PathBuf::from("5"), None),
  10             (UNIX_EPOCH + Duration::new(3, 0), PathBuf::from("3"), None),
  11             (UNIX_EPOCH + Duration::new(2, 0), PathBuf::from("2"), None),
  12         ])
  13         .keys()
  14         .cloned()
  15         .collect::<FxHashSet<PathBuf>>(),
  16         vec![PathBuf::from("1"), PathBuf::from("2"), PathBuf::from("3"), PathBuf::from("4"),]
  17             .into_iter()
  18             .collect::<FxHashSet<PathBuf>>()
  19     );
  20
  21     assert_eq!(
  22         all_except_most_recent(vec![]).keys().cloned().collect::<FxHashSet<PathBuf>>(),
  23         FxHashSet::default()
  24     );
  25 }
  26
  27 #[test]
  28 fn test_timestamp_serialization() {
  29     for i in 0..1_000u64 {
  30         let time = UNIX_EPOCH + Duration::new(i * 1_434_578, (i as u32) * 239_000);
  31         let s = timestamp_to_string(time);
  32         assert_eq!(Ok(time), string_to_timestamp(&s));
  33     }
  34 }
  35
  36 #[test]
  37 fn test_find_source_directory_in_iter() {
  38     let already_visited = FxHashSet::default();
  39
  40     // Find newest
  41     assert_eq!(
  42         find_source_directory_in_iter(
  43             vec![
  44                 PathBuf::from("crate-dir/s-3234-0000-svh"),
  45                 PathBuf::from("crate-dir/s-2234-0000-svh"),
  46                 PathBuf::from("crate-dir/s-1234-0000-svh")
  47             ]
  48             .into_iter(),
  49             &already_visited
  50         ),
  51         Some(PathBuf::from("crate-dir/s-3234-0000-svh"))
  52     );
  53
  54     // Filter out "-working"
  55     assert_eq!(
  56         find_source_directory_in_iter(
  57             vec![
  58                 PathBuf::from("crate-dir/s-3234-0000-working"),
  59                 PathBuf::from("crate-dir/s-2234-0000-svh"),
  60                 PathBuf::from("crate-dir/s-1234-0000-svh")
  61             ]
  62             .into_iter(),
  63             &already_visited
  64         ),
  65         Some(PathBuf::from("crate-dir/s-2234-0000-svh"))
  66     );
  67
  68     // Handle empty
  69     assert_eq!(find_source_directory_in_iter(vec![].into_iter(), &already_visited), None);
  70
  71     // Handle only working
  72     assert_eq!(
  73         find_source_directory_in_iter(
  74             vec![
  75                 PathBuf::from("crate-dir/s-3234-0000-working"),
  76                 PathBuf::from("crate-dir/s-2234-0000-working"),
  77                 PathBuf::from("crate-dir/s-1234-0000-working")
  78             ]
  79             .into_iter(),
  80             &already_visited
  81         ),
  82         None
  83     );
  84 }