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test correct primary key inference

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This commit is contained in:
mpostma 2021-10-12 10:59:14 +02:00
parent 8f6b6c9042
commit 9a266a531b
1 changed files with 23 additions and 0 deletions
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23
milli/src/update/index_documents/transform.rs
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@ -497,6 +497,7 @@ mod test {
use super::*; use super::*;
mod compute_primary_key { mod compute_primary_key {
use super::{compute_primary_key_pair, FieldsIdsMap}; use super::{compute_primary_key_pair, FieldsIdsMap};
#[test] #[test]
@ -537,5 +538,27 @@ mod test {
assert!(result.is_err()); assert!(result.is_err());
assert_eq!(fields_map.len(), 0); assert_eq!(fields_map.len(), 0);
} }
}
mod primary_key_inference {
use bimap::BiHashMap;
use crate::update::index_documents::transform::find_primary_key;
#[test]
fn primary_key_infered_on_first_field() {
// We run the test multiple times to change the order in which the fields are iterated upon.
for _ in 1..50 {
let mut map = BiHashMap::new();
map.insert(1, "fakeId".to_string());
map.insert(2, "fakeId".to_string());
map.insert(3, "fakeId".to_string());
map.insert(4, "fakeId".to_string());
map.insert(0, "realId".to_string());
assert_eq!(find_primary_key(&map), Some("realId"));
}
}
} }
} }