holochain_state 0.7.0-dev.23

Holochain persisted state datatypes and functions
Documentation 
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use super::*;
use crate::mutations::insert_op_scratch;
use crate::prelude::mutations_helpers::insert_valid_integrated_op;
use holochain_sqlite::rusqlite::Connection;
use holochain_sqlite::rusqlite::TransactionBehavior;
use holochain_sqlite::schema::SCHEMA_CELL;
use test_data::RecordTestData;

#[tokio::test(flavor = "multi_thread")]
async fn can_handle_update_in_scratch() {
    holochain_trace::test_run();
    let mut scratch = Scratch::new();
    let mut conn = Connection::open_in_memory().unwrap();
    SCHEMA_CELL.initialize(&mut conn, None).unwrap();

    let mut txn = conn
        .transaction_with_behavior(TransactionBehavior::Exclusive)
        .unwrap();

    let td = RecordTestData::new();
    let query = GetLiveRecordQuery::with_private_data_access(
        td.update_hash,
        Arc::new(td.update_store_record_op.action().author().clone()),
    );

    // - Create an entry on main db.
    insert_valid_integrated_op(&mut txn, &td.update_store_record_op.downcast()).unwrap();
    let r = query
        .run(CascadeTxnWrapper::from(&txn))
        .unwrap()
        .expect("Record not found");
    assert_eq!(*r.entry().as_option().unwrap(), td.entry);
    assert_eq!(*r.action(), *td.update_action.action());

    // - Add to the scratch
    insert_op_scratch(
        &mut scratch,
        td.update_store_record_op.clone(),
        ChainTopOrdering::default(),
    )
    .unwrap();
    let r = query
        .run(scratch.clone())
        .unwrap()
        .expect("Record not found");
    assert_eq!(*r.entry().as_option().unwrap(), td.entry);
    assert_eq!(*r.action(), *td.update_action.action());
}