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WIP: failing test for a harder problem.

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This commit is contained in:
Richard Newman 2018-01-22 17:21:23 -08:00
parent 3ab4b2ca95
commit 149e6c8a46
1 changed files with 37 additions and 0 deletions
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37
db/src/db.rs
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@ -2308,4 +2308,41 @@ mod tests {
r#"[[65536 :test/one 124 ?tx true]
[?tx :db/txInstant ?ms ?tx true]]"#);
}
// TODO
/*
#[test]
fn test_cardinality_one_violation_new_entity() {
let mut conn = TestConn::default();
// Start by installing a few attributes.
assert_transact!(conn, r#"[
[:db/add 111 :db/ident :test/one]
[:db/add 111 :db/valueType :db.type/long]
[:db/add 111 :db/cardinality :db.cardinality/one]
[:db/add 112 :db/ident :test/unique]
[:db/add 112 :db/index true]
[:db/add 112 :db/valueType :db.type/string]
[:db/add 112 :db/cardinality :db.cardinality/one]
[:db/add 112 :db/unique :db.unique/identity]
]"#);
// You can try to assert two values for the same entity and attribute,
// but only one will be transacted.
// This variant (see also `test_cardinality_one_violation_existing_entity`)
// is particularly tricky because the unique attribute is a new entity,
// and so the search will fail, two entids will be allocated, and then
// insert will fail.
let report = assert_transact!(conn, r#"[
[:db/add "foo" :test/unique "x"]
[:db/add "foo" :test/one 123]
[:db/add "bar" :test/unique "x"]
[:db/add "bar" :test/one 124]
]"#);
assert_matches!(conn.last_transaction(),
r#"[[998 :test/unique "x" ?tx true]
[998 :test/one 124 ?tx true]
[?tx :db/txInstant ?ms ?tx true]]"#);
}
*/
}