1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
use core::any::Any;
use std_facade::{fmt, Box, Vec, BTreeMap, BTreeSet};
use test_runner::failure_persistence::FailurePersistence;
use test_runner::Seed;
#[derive(Clone, Debug, Default, PartialEq)]
pub struct MapFailurePersistence {
pub map: BTreeMap<&'static str, BTreeSet<Seed>>
}
impl FailurePersistence for MapFailurePersistence {
fn load_persisted_failures(&self, source_file: Option<&'static str>)
-> Vec<Seed> {
source_file
.and_then(|source| self.map.get(source))
.map(|seeds| seeds.iter().cloned().collect::<Vec<_>>())
.unwrap_or_default()
}
fn save_persisted_failure(
&mut self,
source_file: Option<&'static str>,
seed: Seed,
_shrunken_value: &dyn fmt::Debug,
) {
let s = match source_file {
Some(sf) => sf,
None => return
};
let set = self.map.entry(s).or_insert_with(BTreeSet::new);
set.insert(seed);
}
fn box_clone(&self) -> Box<dyn FailurePersistence> {
Box::new(self.clone())
}
fn eq(&self, other: &dyn FailurePersistence) -> bool {
other.as_any().downcast_ref::<Self>().map_or(false, |x| x == self)
}
fn as_any(&self) -> &dyn Any { self }
}
#[cfg(test)]
mod tests {
use super::*;
use test_runner::failure_persistence::tests::*;
#[test]
fn initial_map_is_empty() {
assert!(MapFailurePersistence::default()
.load_persisted_failures(HI_PATH).is_empty())
}
#[test]
fn seeds_recoverable() {
let mut p = MapFailurePersistence::default();
p.save_persisted_failure(HI_PATH, INC_SEED, &"");
let restored = p.load_persisted_failures(HI_PATH);
assert_eq!(1, restored.len());
assert_eq!(INC_SEED, *restored.first().unwrap());
assert!(p.load_persisted_failures(None).is_empty());
assert!(p.load_persisted_failures(UNREL_PATH).is_empty());
}
#[test]
fn seeds_deduplicated() {
let mut p = MapFailurePersistence::default();
p.save_persisted_failure(HI_PATH, INC_SEED, &"");
p.save_persisted_failure(HI_PATH, INC_SEED, &"");
let restored = p.load_persisted_failures(HI_PATH);
assert_eq!(1, restored.len());
}
}