Wojciech Kozlowski fcbde5aecb
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Add a SQLite database backend (#265)
Part 1 of #248

Reviewed-on: #265
2025-01-12 10:24:53 +01:00

64 lines
1.7 KiB
Rust

use std::{fs, path::PathBuf};
use once_cell::sync::Lazy;
use musichoard::{
collection::{artist::Artist, Collection},
external::database::sql::{backend::SqlDatabaseSqliteBackend, SqlDatabase},
interface::database::IDatabase,
};
use tempfile::NamedTempFile;
use crate::testlib::COLLECTION;
pub static DATABASE_TEST_FILE: Lazy<PathBuf> =
Lazy::new(|| fs::canonicalize("./tests/files/database/database.db").unwrap());
fn expected() -> Collection {
let mut expected = COLLECTION.to_owned();
for artist in expected.iter_mut() {
for album in artist.albums.iter_mut() {
album.tracks.clear();
}
}
expected
}
#[test]
fn save() {
let file = NamedTempFile::new().unwrap();
let backend = SqlDatabaseSqliteBackend::new(file.path()).unwrap();
let mut database = SqlDatabase::new(backend).unwrap();
let write_data = COLLECTION.to_owned();
database.save(&write_data).unwrap();
}
#[test]
fn load() {
let backend = SqlDatabaseSqliteBackend::new(&*DATABASE_TEST_FILE).unwrap();
let mut database = SqlDatabase::new(backend).unwrap();
let read_data: Vec<Artist> = database.load().unwrap();
let expected = expected();
assert_eq!(read_data, expected);
}
#[test]
fn reverse() {
let file = NamedTempFile::new().unwrap();
let backend = SqlDatabaseSqliteBackend::new(file.path()).unwrap();
let mut database = SqlDatabase::new(backend).unwrap();
let write_data = COLLECTION.to_owned();
database.save(&write_data).unwrap();
let read_data: Vec<Artist> = database.load().unwrap();
// Not all data is saved into database.
let expected = expected();
assert_eq!(read_data, expected);
}