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// Copyright 2022 The Matrix.org Foundation C.I.C.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#![cfg_attr(
    not(any(feature = "state-store", feature = "crypto-store", feature = "event-cache")),
    allow(dead_code, unused_imports)
)]

mod connection;
#[cfg(feature = "crypto-store")]
mod crypto_store;
mod error;
#[cfg(feature = "event-cache")]
mod event_cache_store;
#[cfg(feature = "event-cache")]
mod media_store;
#[cfg(feature = "state-store")]
mod state_store;
mod utils;
use std::{
    cmp::max,
    fmt,
    path::{Path, PathBuf},
};

use deadpool::managed::PoolConfig;
use zeroize::{Zeroize, ZeroizeOnDrop, Zeroizing};

#[cfg(feature = "crypto-store")]
pub use self::crypto_store::SqliteCryptoStore;
pub use self::error::OpenStoreError;
#[cfg(feature = "event-cache")]
pub use self::event_cache_store::SqliteEventCacheStore;
#[cfg(feature = "event-cache")]
pub use self::media_store::SqliteMediaStore;
#[cfg(feature = "state-store")]
pub use self::state_store::{DATABASE_NAME as STATE_STORE_DATABASE_NAME, SqliteStateStore};

#[cfg(test)]
matrix_sdk_test_utils::init_tracing_for_tests!();

/// An enum used to store the secret that gives access to a store
#[derive(Clone, Debug, PartialEq, Zeroize, ZeroizeOnDrop)]
pub enum Secret {
    // Cryptographic key used to open the store
    Key(Box<[u8; 32]>),
    // Passphrase used to open the store
    PassPhrase(Zeroizing<String>),
}

/// A configuration structure used for opening a store.
#[derive(Clone)]
pub struct SqliteStoreConfig {
    /// Path to the database, without the file name.
    path: PathBuf,
    /// Secret to open the store, if any
    secret: Option<Secret>,
    /// The pool configuration for [`deadpool`].
    pool_config: PoolConfig,
    /// The runtime configuration to apply when opening an SQLite connection.
    runtime_config: RuntimeConfig,
}

impl fmt::Debug for SqliteStoreConfig {
    fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
        formatter
            .debug_struct("SqliteStoreConfig")
            .field("path", &self.path)
            .field("pool_config", &self.pool_config)
            .field("runtime_config", &self.runtime_config)
            .finish_non_exhaustive()
    }
}

/// The minimum size of the connections pool.
///
/// We need at least 2 connections: one connection for write operations, and one
/// connection for read operations.
const POOL_MINIMUM_SIZE: usize = 2;

impl SqliteStoreConfig {
    /// Create a new [`SqliteStoreConfig`] with a path representing the
    /// directory containing the store database.
    pub fn new<P>(path: P) -> Self
    where
        P: AsRef<Path>,
    {
        Self {
            path: path.as_ref().to_path_buf(),
            pool_config: PoolConfig::new(max(POOL_MINIMUM_SIZE, num_cpus::get_physical() * 4)),
            runtime_config: RuntimeConfig::default(),
            secret: None,
        }
    }

    /// Similar to [`SqliteStoreConfig::new`], but with defaults tailored for a
    /// low memory usage environment.
    ///
    /// The following defaults are set:
    ///
    /// * The `pool_max_size` is set to the number of physical CPU, so one
    ///   connection per physical thread,
    /// * The `cache_size` is set to 500Kib,
    /// * The `journal_size_limit` is set to 2Mib.
    pub fn with_low_memory_config<P>(path: P) -> Self
    where
        P: AsRef<Path>,
    {
        Self::new(path)
            // Maximum one connection per physical thread.
            .pool_max_size(num_cpus::get_physical())
            // Cache size is 500Kib.
            .cache_size(500_000)
            // Journal size limit is 2Mib.
            .journal_size_limit(2_000_000)
    }

    /// Override the path.
    pub fn path<P>(mut self, path: P) -> Self
    where
        P: AsRef<Path>,
    {
        self.path = path.as_ref().to_path_buf();
        self
    }

    /// Define the passphrase if the store is encoded.
    pub fn passphrase(mut self, passphrase: Option<&str>) -> Self {
        self.secret =
            passphrase.map(|passphrase| Secret::PassPhrase(Zeroizing::new(passphrase.to_owned())));
        self
    }

    /// Define the key if the store is encoded.
    pub fn key(mut self, key: Option<&[u8; 32]>) -> Self {
        self.secret = key.map(|key| Secret::Key(Box::new(*key)));
        self
    }

    /// Define the maximum pool size for [`deadpool`].
    ///
    /// See [`deadpool::managed::PoolConfig::max_size`] to learn more.
    pub fn pool_max_size(mut self, max_size: usize) -> Self {
        self.pool_config.max_size = max(POOL_MINIMUM_SIZE, max_size);
        self
    }

    /// Optimize the database.
    ///
    /// The SQLite documentation recommends to run this regularly and after any
    /// schema change. The easiest is to do it consistently when the store is
    /// constructed, after eventual migrations.
    ///
    /// See [`PRAGMA optimize`] to learn more.
    ///
    /// The default value is `true`.
    ///
    /// [`PRAGMA optimize`]: https://www.sqlite.org/pragma.html#pragma_optimize
    pub fn optimize(mut self, optimize: bool) -> Self {
        self.runtime_config.optimize = optimize;
        self
    }

    /// Define the maximum size in **bytes** the SQLite cache can use.
    ///
    /// See [`PRAGMA cache_size`] to learn more.
    ///
    /// The default value is 2Mib.
    ///
    /// [`PRAGMA cache_size`]: https://www.sqlite.org/pragma.html#pragma_cache_size
    pub fn cache_size(mut self, cache_size: u32) -> Self {
        self.runtime_config.cache_size = cache_size;
        self
    }

    /// Limit the size of the WAL file, in **bytes**.
    ///
    /// By default, while the DB connections of the databases are open, [the
    /// size of the WAL file can keep increasing][size_wal_file] depending on
    /// the size needed for the transactions. A critical case is `VACUUM`
    /// which basically writes the content of the DB file to the WAL file
    /// before writing it back to the DB file, so we end up taking twice the
    /// size of the database.
    ///
    /// By setting this limit, the WAL file is truncated after its content is
    /// written to the database, if it is bigger than the limit.
    ///
    /// See [`PRAGMA journal_size_limit`] to learn more. The value `limit`
    /// corresponds to `N` in `PRAGMA journal_size_limit = N`.
    ///
    /// The default value is 10Mib.
    ///
    /// [size_wal_file]: https://www.sqlite.org/wal.html#avoiding_excessively_large_wal_files
    /// [`PRAGMA journal_size_limit`]: https://www.sqlite.org/pragma.html#pragma_journal_size_limit
    pub fn journal_size_limit(mut self, limit: u32) -> Self {
        self.runtime_config.journal_size_limit = limit;
        self
    }

    /// Returns the pool configuration.
    pub(crate) fn pool_config(&self) -> PoolConfig {
        self.pool_config
    }

    /// Returns the runtime configuration.
    pub(crate) fn runtime_config(&self) -> RuntimeConfig {
        self.runtime_config
    }

    /// Build a pool of active connections to a particular database.
    pub fn build_pool_of_connections(
        &self,
        database_name: &str,
    ) -> Result<connection::Pool, connection::CreatePoolError> {
        let path = self.path.join(database_name);
        let manager = connection::Manager::new(path);

        connection::Pool::builder(manager)
            .config(self.pool_config)
            .runtime(connection::RUNTIME)
            .build()
            .map_err(connection::CreatePoolError::Build)
    }
}

/// This type represents values to set at runtime when a database is opened.
///
/// This configuration is applied by
/// [`utils::SqliteAsyncConnExt::apply_runtime_config`].
#[derive(Clone, Copy, Debug)]
struct RuntimeConfig {
    /// If `true`, [`utils::SqliteAsyncConnExt::optimize`] will be called.
    optimize: bool,

    /// Regardless of the value, [`utils::SqliteAsyncConnExt::cache_size`] will
    /// always be called with this value.
    cache_size: u32,

    /// Regardless of the value,
    /// [`utils::SqliteAsyncConnExt::journal_size_limit`] will always be called
    /// with this value.
    journal_size_limit: u32,
}

impl Default for RuntimeConfig {
    fn default() -> Self {
        Self {
            // Optimize is always applied.
            optimize: true,
            // A cache of 2Mib.
            cache_size: 2_000_000,
            // A limit of 10Mib.
            journal_size_limit: 10_000_000,
        }
    }
}

#[cfg(test)]
mod tests {
    use std::{
        ops::Not,
        path::{Path, PathBuf},
    };

    use super::{POOL_MINIMUM_SIZE, Secret, SqliteStoreConfig};

    #[test]
    fn test_new() {
        let store_config = SqliteStoreConfig::new(Path::new("foo"));

        assert_eq!(store_config.pool_config.max_size, num_cpus::get_physical() * 4);
        assert!(store_config.runtime_config.optimize);
        assert_eq!(store_config.runtime_config.cache_size, 2_000_000);
        assert_eq!(store_config.runtime_config.journal_size_limit, 10_000_000);
    }

    #[test]
    fn test_with_low_memory_config() {
        let store_config = SqliteStoreConfig::with_low_memory_config(Path::new("foo"));

        assert_eq!(store_config.pool_config.max_size, num_cpus::get_physical());
        assert!(store_config.runtime_config.optimize);
        assert_eq!(store_config.runtime_config.cache_size, 500_000);
        assert_eq!(store_config.runtime_config.journal_size_limit, 2_000_000);
    }

    #[test]
    fn test_store_config_when_passphrase() {
        let store_config = SqliteStoreConfig::new(Path::new("foo"))
            .passphrase(Some("bar"))
            .pool_max_size(42)
            .optimize(false)
            .cache_size(43)
            .journal_size_limit(44);

        assert_eq!(store_config.path, PathBuf::from("foo"));
        assert_eq!(store_config.secret, Some(Secret::PassPhrase("bar".to_owned().into())));
        assert_eq!(store_config.pool_config.max_size, 42);
        assert!(store_config.runtime_config.optimize.not());
        assert_eq!(store_config.runtime_config.cache_size, 43);
        assert_eq!(store_config.runtime_config.journal_size_limit, 44);
    }

    #[test]
    fn test_store_config_when_key() {
        let store_config = SqliteStoreConfig::new(Path::new("foo"))
            .key(Some(&[
                143, 27, 202, 78, 96, 55, 13, 149, 247, 8, 33, 120, 204, 92, 171, 66, 19, 238, 61,
                107, 132, 211, 40, 244, 71, 190, 99, 14, 173, 225, 6, 156,
            ]))
            .pool_max_size(42)
            .optimize(false)
            .cache_size(43)
            .journal_size_limit(44);

        assert_eq!(store_config.path, PathBuf::from("foo"));
        assert_eq!(
            store_config.secret,
            Some(Secret::Key(Box::new([
                143, 27, 202, 78, 96, 55, 13, 149, 247, 8, 33, 120, 204, 92, 171, 66, 19, 238, 61,
                107, 132, 211, 40, 244, 71, 190, 99, 14, 173, 225, 6, 156,
            ])))
        );
        assert_eq!(store_config.pool_config.max_size, 42);
        assert!(store_config.runtime_config.optimize.not());
        assert_eq!(store_config.runtime_config.cache_size, 43);
        assert_eq!(store_config.runtime_config.journal_size_limit, 44);
    }

    #[test]
    fn test_store_config_path() {
        let store_config = SqliteStoreConfig::new(Path::new("foo")).path(Path::new("bar"));

        assert_eq!(store_config.path, PathBuf::from("bar"));
    }

    #[test]
    fn test_pool_size_has_a_minimum() {
        let store_config = SqliteStoreConfig::new(Path::new("foo")).pool_max_size(1);

        assert_eq!(store_config.pool_config.max_size, POOL_MINIMUM_SIZE);
    }
}

1	// Copyright 2022 The Matrix.org Foundation C.I.C.
2	//
3	// Licensed under the Apache License, Version 2.0 (the "License");
4	// you may not use this file except in compliance with the License.
5	// You may obtain a copy of the License at
6	//
7	// http://www.apache.org/licenses/LICENSE-2.0
8	//
9	// Unless required by applicable law or agreed to in writing, software
10	// distributed under the License is distributed on an "AS IS" BASIS,
11	// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12	// See the License for the specific language governing permissions and
13	// limitations under the License.
14
15	#![cfg_attr(
16	not(any(feature = "state-store", feature = "crypto-store", feature = "event-cache")),
17	allow(dead_code, unused_imports)
18	)]
19
20	mod connection;
21	#[cfg(feature = "crypto-store")]
22	mod crypto_store;
23	mod error;
24	#[cfg(feature = "event-cache")]
25	mod event_cache_store;
26	#[cfg(feature = "event-cache")]
27	mod media_store;
28	#[cfg(feature = "state-store")]
29	mod state_store;
30	mod utils;
31	use std::{
32	cmp::max,
33	fmt,
34	path::{Path, PathBuf},
35	};
36
37	use deadpool::managed::PoolConfig;
38	use zeroize::{Zeroize, ZeroizeOnDrop, Zeroizing};
39
40	#[cfg(feature = "crypto-store")]
41	pub use self::crypto_store::SqliteCryptoStore;
42	pub use self::error::OpenStoreError;
43	#[cfg(feature = "event-cache")]
44	pub use self::event_cache_store::SqliteEventCacheStore;
45	#[cfg(feature = "event-cache")]
46	pub use self::media_store::SqliteMediaStore;
47	#[cfg(feature = "state-store")]
48	pub use self::state_store::{DATABASE_NAME as STATE_STORE_DATABASE_NAME, SqliteStateStore};
49
50	#[cfg(test)]
51	matrix_sdk_test_utils::init_tracing_for_tests!();
52
53	/// An enum used to store the secret that gives access to a store
54	#[derive(Clone, Debug, PartialEq, Zeroize, ZeroizeOnDrop)]
55	pub enum Secret {
56	// Cryptographic key used to open the store
57	Key(Box<[u8; 32]>),
58	// Passphrase used to open the store
59	PassPhrase(Zeroizing<String>),
60	}
61
62	/// A configuration structure used for opening a store.
63	#[derive(Clone)]
64	pub struct SqliteStoreConfig {
65	/// Path to the database, without the file name.
66	path: PathBuf,
67	/// Secret to open the store, if any
68	secret: Option<Secret>,
69	/// The pool configuration for [`deadpool`].
70	pool_config: PoolConfig,
71	/// The runtime configuration to apply when opening an SQLite connection.
72	runtime_config: RuntimeConfig,
73	}
74
75	impl fmt::Debug for SqliteStoreConfig {
76	fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
77	formatter
78	.debug_struct("SqliteStoreConfig")
79	.field("path", &self.path)
80	.field("pool_config", &self.pool_config)
81	.field("runtime_config", &self.runtime_config)
82	.finish_non_exhaustive()
83	}
84	}
85
86	/// The minimum size of the connections pool.
87	///
88	/// We need at least 2 connections: one connection for write operations, and one
89	/// connection for read operations.
90	const POOL_MINIMUM_SIZE: usize = 2;
91
92	impl SqliteStoreConfig {
93	/// Create a new [`SqliteStoreConfig`] with a path representing the
94	/// directory containing the store database.
95	pub fn new<P>(path: P) -> Self
96	where
97	P: AsRef<Path>,
98	{
99	Self {
100	path: path.as_ref().to_path_buf(),
101	pool_config: PoolConfig::new(max(POOL_MINIMUM_SIZE, num_cpus::get_physical() * 4)),
102	runtime_config: RuntimeConfig::default(),
103	secret: None,
104	}
105	}
106
107	/// Similar to [`SqliteStoreConfig::new`], but with defaults tailored for a
108	/// low memory usage environment.
109	///
110	/// The following defaults are set:
111	///
112	/// * The `pool_max_size` is set to the number of physical CPU, so one
113	/// connection per physical thread,
114	/// * The `cache_size` is set to 500Kib,
115	/// * The `journal_size_limit` is set to 2Mib.
116	pub fn with_low_memory_config<P>(path: P) -> Self
117	where
118	P: AsRef<Path>,
119	{
120	Self::new(path)
121	// Maximum one connection per physical thread.
122	.pool_max_size(num_cpus::get_physical())
123	// Cache size is 500Kib.
124	.cache_size(500_000)
125	// Journal size limit is 2Mib.
126	.journal_size_limit(2_000_000)
127	}
128
129	/// Override the path.
130	pub fn path<P>(mut self, path: P) -> Self
131	where
132	P: AsRef<Path>,
133	{
134	self.path = path.as_ref().to_path_buf();
135	self
136	}
137
138	/// Define the passphrase if the store is encoded.
139	pub fn passphrase(mut self, passphrase: Option<&str>) -> Self {
140	self.secret =
141	passphrase.map(\|passphrase\| Secret::PassPhrase(Zeroizing::new(passphrase.to_owned())));
142	self
143	}
144
145	/// Define the key if the store is encoded.
146	pub fn key(mut self, key: Option<&[u8; 32]>) -> Self {
147	self.secret = key.map(\|key\| Secret::Key(Box::new(*key)));
148	self
149	}
150
151	/// Define the maximum pool size for [`deadpool`].
152	///
153	/// See [`deadpool::managed::PoolConfig::max_size`] to learn more.
154	pub fn pool_max_size(mut self, max_size: usize) -> Self {
155	self.pool_config.max_size = max(POOL_MINIMUM_SIZE, max_size);
156	self
157	}
158
159	/// Optimize the database.
160	///
161	/// The SQLite documentation recommends to run this regularly and after any
162	/// schema change. The easiest is to do it consistently when the store is
163	/// constructed, after eventual migrations.
164	///
165	/// See [`PRAGMA optimize`] to learn more.
166	///
167	/// The default value is `true`.
168	///
169	/// [`PRAGMA optimize`]: https://www.sqlite.org/pragma.html#pragma_optimize
170	pub fn optimize(mut self, optimize: bool) -> Self {
171	self.runtime_config.optimize = optimize;
172	self
173	}
174
175	/// Define the maximum size in bytes the SQLite cache can use.
176	///
177	/// See [`PRAGMA cache_size`] to learn more.
178	///
179	/// The default value is 2Mib.
180	///
181	/// [`PRAGMA cache_size`]: https://www.sqlite.org/pragma.html#pragma_cache_size
182	pub fn cache_size(mut self, cache_size: u32) -> Self {
183	self.runtime_config.cache_size = cache_size;
184	self
185	}
186
187	/// Limit the size of the WAL file, in bytes.
188	///
189	/// By default, while the DB connections of the databases are open, [the
190	/// size of the WAL file can keep increasing][size_wal_file] depending on
191	/// the size needed for the transactions. A critical case is `VACUUM`
192	/// which basically writes the content of the DB file to the WAL file
193	/// before writing it back to the DB file, so we end up taking twice the
194	/// size of the database.
195	///
196	/// By setting this limit, the WAL file is truncated after its content is
197	/// written to the database, if it is bigger than the limit.
198	///
199	/// See [`PRAGMA journal_size_limit`] to learn more. The value `limit`
200	/// corresponds to `N` in `PRAGMA journal_size_limit = N`.
201	///
202	/// The default value is 10Mib.
203	///
204	/// [size_wal_file]: https://www.sqlite.org/wal.html#avoiding_excessively_large_wal_files
205	/// [`PRAGMA journal_size_limit`]: https://www.sqlite.org/pragma.html#pragma_journal_size_limit
206	pub fn journal_size_limit(mut self, limit: u32) -> Self {
207	self.runtime_config.journal_size_limit = limit;
208	self
209	}
210
211	/// Returns the pool configuration.
212	pub(crate) fn pool_config(&self) -> PoolConfig {
213	self.pool_config
214	}
215
216	/// Returns the runtime configuration.
217	pub(crate) fn runtime_config(&self) -> RuntimeConfig {
218	self.runtime_config
219	}
220
221	/// Build a pool of active connections to a particular database.
222	pub fn build_pool_of_connections(
223	&self,
224	database_name: &str,
225	) -> Result<connection::Pool, connection::CreatePoolError> {
226	let path = self.path.join(database_name);
227	let manager = connection::Manager::new(path);
228
229	connection::Pool::builder(manager)
230	.config(self.pool_config)
231	.runtime(connection::RUNTIME)
232	.build()
233	.map_err(connection::CreatePoolError::Build)
234	}
235	}
236
237	/// This type represents values to set at runtime when a database is opened.
238	///
239	/// This configuration is applied by
240	/// [`utils::SqliteAsyncConnExt::apply_runtime_config`].
241	#[derive(Clone, Copy, Debug)]
242	struct RuntimeConfig {
243	/// If `true`, [`utils::SqliteAsyncConnExt::optimize`] will be called.
244	optimize: bool,
245
246	/// Regardless of the value, [`utils::SqliteAsyncConnExt::cache_size`] will
247	/// always be called with this value.
248	cache_size: u32,
249
250	/// Regardless of the value,
251	/// [`utils::SqliteAsyncConnExt::journal_size_limit`] will always be called
252	/// with this value.
253	journal_size_limit: u32,
254	}
255
256	impl Default for RuntimeConfig {
257	fn default() -> Self {
258	Self {
259	// Optimize is always applied.
260	optimize: true,
261	// A cache of 2Mib.
262	cache_size: 2_000_000,
263	// A limit of 10Mib.
264	journal_size_limit: 10_000_000,
265	}
266	}
267	}
268
269	#[cfg(test)]
270	mod tests {
271	use std::{
272	ops::Not,
273	path::{Path, PathBuf},
274	};
275
276	use super::{POOL_MINIMUM_SIZE, Secret, SqliteStoreConfig};
277
278	#[test]
279	fn test_new() {
280	let store_config = SqliteStoreConfig::new(Path::new("foo"));
281
282	assert_eq!(store_config.pool_config.max_size, num_cpus::get_physical() * 4);
283	assert!(store_config.runtime_config.optimize);
284	assert_eq!(store_config.runtime_config.cache_size, 2_000_000);
285	assert_eq!(store_config.runtime_config.journal_size_limit, 10_000_000);
286	}
287
288	#[test]
289	fn test_with_low_memory_config() {
290	let store_config = SqliteStoreConfig::with_low_memory_config(Path::new("foo"));
291
292	assert_eq!(store_config.pool_config.max_size, num_cpus::get_physical());
293	assert!(store_config.runtime_config.optimize);
294	assert_eq!(store_config.runtime_config.cache_size, 500_000);
295	assert_eq!(store_config.runtime_config.journal_size_limit, 2_000_000);
296	}
297
298	#[test]
299	fn test_store_config_when_passphrase() {
300	let store_config = SqliteStoreConfig::new(Path::new("foo"))
301	.passphrase(Some("bar"))
302	.pool_max_size(42)
303	.optimize(false)
304	.cache_size(43)
305	.journal_size_limit(44);
306
307	assert_eq!(store_config.path, PathBuf::from("foo"));
308	assert_eq!(store_config.secret, Some(Secret::PassPhrase("bar".to_owned().into())));
309	assert_eq!(store_config.pool_config.max_size, 42);
310	assert!(store_config.runtime_config.optimize.not());
311	assert_eq!(store_config.runtime_config.cache_size, 43);
312	assert_eq!(store_config.runtime_config.journal_size_limit, 44);
313	}
314
315	#[test]
316	fn test_store_config_when_key() {
317	let store_config = SqliteStoreConfig::new(Path::new("foo"))
318	.key(Some(&[
319	143, 27, 202, 78, 96, 55, 13, 149, 247, 8, 33, 120, 204, 92, 171, 66, 19, 238, 61,
320	107, 132, 211, 40, 244, 71, 190, 99, 14, 173, 225, 6, 156,
321	]))
322	.pool_max_size(42)
323	.optimize(false)
324	.cache_size(43)
325	.journal_size_limit(44);
326
327	assert_eq!(store_config.path, PathBuf::from("foo"));
328	assert_eq!(
329	store_config.secret,
330	Some(Secret::Key(Box::new([
331	143, 27, 202, 78, 96, 55, 13, 149, 247, 8, 33, 120, 204, 92, 171, 66, 19, 238, 61,
332	107, 132, 211, 40, 244, 71, 190, 99, 14, 173, 225, 6, 156,
333	])))
334	);
335	assert_eq!(store_config.pool_config.max_size, 42);
336	assert!(store_config.runtime_config.optimize.not());
337	assert_eq!(store_config.runtime_config.cache_size, 43);
338	assert_eq!(store_config.runtime_config.journal_size_limit, 44);
339	}
340
341	#[test]
342	fn test_store_config_path() {
343	let store_config = SqliteStoreConfig::new(Path::new("foo")).path(Path::new("bar"));
344
345	assert_eq!(store_config.path, PathBuf::from("bar"));
346	}
347
348	#[test]
349	fn test_pool_size_has_a_minimum() {
350	let store_config = SqliteStoreConfig::new(Path::new("foo")).pool_max_size(1);
351
352	assert_eq!(store_config.pool_config.max_size, POOL_MINIMUM_SIZE);
353	}
354	}