sqlx/tests/sqlite/sqlite.rs at master · unleashed/sqlx

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use futures::TryStreamExt;

use rand::{Rng, SeedableRng};

use rand_xoshiro::Xoshiro256PlusPlus;

use sqlx::sqlite::{SqliteConnectOptions, SqlitePoolOptions};

use sqlx::{

query, sqlite::Sqlite, sqlite::SqliteRow, Column, ConnectOptions, Connection, Executor, Row,

SqliteConnection, SqlitePool, Statement, TypeInfo,

};

use sqlx_test::new;

#[sqlx_macros::test]

async fn it_connects() -> anyhow::Result<()> {

Ok(new::<Sqlite>().await?.ping().await?)

}

#[sqlx_macros::test]

async fn it_fetches_and_inflates_row() -> anyhow::Result<()> {

let mut conn = new::<Sqlite>().await?;

// process rows, one-at-a-time

// this reuses the memory of the row

{

let expected = [15, 39, 51];

let mut i = 0;

let mut s = conn.fetch("SELECT 15 UNION SELECT 51 UNION SELECT 39");

while let Some(row) = s.try_next().await? {

let v1 = row.get::<i32, _>(0);

assert_eq!(expected[i], v1);

i += 1;

}

// same query, but fetch all rows at once

// this triggers the internal inflation

let rows = conn

.fetch_all("SELECT 15 UNION SELECT 51 UNION SELECT 39")

.await?;

assert_eq!(rows.len(), 3);

assert_eq!(rows[0].get::<i32, _>(0), 15);

assert_eq!(rows[1].get::<i32, _>(0), 39);

assert_eq!(rows[2].get::<i32, _>(0), 51);

// same query but fetch the first row a few times from a non-persistent query

// these rows should be immediately inflated

let row1 = conn

.fetch_one("SELECT 15 UNION SELECT 51 UNION SELECT 39")

.await?;

assert_eq!(row1.get::<i32, _>(0), 15);

let row2 = conn

.fetch_one("SELECT 15 UNION SELECT 51 UNION SELECT 39")

.await?;

assert_eq!(row1.get::<i32, _>(0), 15);

assert_eq!(row2.get::<i32, _>(0), 15);

// same query (again) but make it persistent

// and fetch the first row a few times

let row1 = conn

.fetch_one(query("SELECT 15 UNION SELECT 51 UNION SELECT 39"))

.await?;

assert_eq!(row1.get::<i32, _>(0), 15);

let row2 = conn

.fetch_one(query("SELECT 15 UNION SELECT 51 UNION SELECT 39"))

.await?;

assert_eq!(row1.get::<i32, _>(0), 15);

assert_eq!(row2.get::<i32, _>(0), 15);

Ok(())

}

#[sqlx_macros::test]

async fn it_maths() -> anyhow::Result<()> {

let mut conn = new::<Sqlite>().await?;

let value = sqlx::query("select 1 + ?1")

.bind(5_i32)

.try_map(|row: SqliteRow| row.try_get::<i32, _>(0))

.fetch_one(&mut conn)

.await?;

assert_eq!(6i32, value);

Ok(())

}

#[sqlx_macros::test]

async fn test_bind_multiple_statements_multiple_values() -> anyhow::Result<()> {

let mut conn = new::<Sqlite>().await?;

let values: Vec<i32> = sqlx::query_scalar::<_, i32>("select ?; select ?")

.bind(5_i32)

.bind(15_i32)

.fetch_all(&mut conn)

.await?;

assert_eq!(values.len(), 2);

assert_eq!(values[0], 5);

assert_eq!(values[1], 15);

Ok(())

}

#[sqlx_macros::test]

async fn test_bind_multiple_statements_same_value() -> anyhow::Result<()> {

let mut conn = new::<Sqlite>().await?;

let values: Vec<i32> = sqlx::query_scalar::<_, i32>("select ?1; select ?1")

.bind(25_i32)

.fetch_all(&mut conn)

.await?;

assert_eq!(values.len(), 2);

assert_eq!(values[0], 25);

assert_eq!(values[1], 25);

Ok(())

}

#[sqlx_macros::test]

async fn it_can_describe_with_pragma() -> anyhow::Result<()> {

use sqlx::{Decode, TypeInfo, ValueRef};

let mut conn = new::<Sqlite>().await?;

let defaults = sqlx::query("pragma table_info (tweet)")

.try_map(|row: SqliteRow| {

let val = row.try_get_raw("dflt_value")?;

let ty = val.type_info().clone().into_owned();

let val: Option<i32> = Decode::<Sqlite>::decode(val).map_err(sqlx::Error::Decode)?;

if val.is_some() {

assert_eq!(ty.name(), "TEXT");

}

Ok(val)

})

.fetch_all(&mut conn)

.await?;

assert_eq!(defaults[0], None);

assert_eq!(defaults[2], Some(0));

Ok(())

}

#[sqlx_macros::test]

async fn it_binds_positional_parameters_issue_467() -> anyhow::Result<()> {

let mut conn = new::<Sqlite>().await?;

let row: (i32, i32, i32, i32) = sqlx::query_as("select ?1, ?1, ?3, ?2")

.bind(5_i32)

.bind(500_i32)

.bind(1020_i32)

.fetch_one(&mut conn)

.await?;

assert_eq!(row.0, 5);

assert_eq!(row.1, 5);

assert_eq!(row.2, 1020);

assert_eq!(row.3, 500);

Ok(())

}

#[sqlx_macros::test]

async fn it_fetches_in_loop() -> anyhow::Result<()> {

// this is trying to check for any data races

// there were a few that triggered *sometimes* while building out StatementWorker

for _ in 0..1000_usize {

let mut conn = new::<Sqlite>().await?;

let v: Vec<(i32,)> = sqlx::query_as("SELECT 1").fetch_all(&mut conn).await?;

assert_eq!(v[0].0, 1);

}

Ok(())

}

#[sqlx_macros::test]

async fn it_executes_with_pool() -> anyhow::Result<()> {

let pool: SqlitePool = SqlitePoolOptions::new()

.min_connections(2)

.max_connections(2)

.test_before_acquire(false)

.connect(&dotenv::var("DATABASE_URL")?)

.await?;

let rows = pool.fetch_all("SELECT 1; SElECT 2").await?;

assert_eq!(rows.len(), 2);

Ok(())

}

#[sqlx_macros::test]

async fn it_opens_in_memory() -> anyhow::Result<()> {

// If the filename is ":memory:", then a private, temporary in-memory database

// is created for the connection.

let conn = SqliteConnection::connect(":memory:").await?;

conn.close().await?;

Ok(())

}

#[sqlx_macros::test]

async fn it_opens_temp_on_disk() -> anyhow::Result<()> {

// If the filename is an empty string, then a private, temporary on-disk database will

// be created.

let conn = SqliteConnection::connect("").await?;

conn.close().await?;

Ok(())

}

#[sqlx_macros::test]

async fn it_fails_to_parse() -> anyhow::Result<()> {

let mut conn = new::<Sqlite>().await?;

let res = conn.execute("SEELCT 1").await;

assert!(res.is_err());

let err = res.unwrap_err().to_string();

assert_eq!(

"error returned from database: near \"SEELCT\": syntax error",

err

);

Ok(())

}

#[sqlx_macros::test]

async fn it_handles_empty_queries() -> anyhow::Result<()> {

let mut conn = new::<Sqlite>().await?;

let done = conn.execute("").await?;

assert_eq!(done.rows_affected(), 0);

Ok(())

}

#[sqlx_macros::test]

fn it_binds_parameters() -> anyhow::Result<()> {

let mut conn = new::<Sqlite>().await?;

let v: i32 = sqlx::query_scalar("SELECT ?")

.bind(10_i32)

.fetch_one(&mut conn)

.await?;

assert_eq!(v, 10);

let v: (i32, i32) = sqlx::query_as("SELECT ?1, ?")

.bind(10_i32)

.fetch_one(&mut conn)

.await?;

assert_eq!(v.0, 10);

assert_eq!(v.1, 10);

Ok(())

}

#[sqlx_macros::test]

fn it_binds_dollar_parameters() -> anyhow::Result<()> {

let mut conn = new::<Sqlite>().await?;

let v: (i32, i32) = sqlx::query_as("SELECT $1, $2")

.bind(10_i32)

.bind(11_i32)

.fetch_one(&mut conn)

.await?;

assert_eq!(v.0, 10);

assert_eq!(v.1, 11);

Ok(())

}

#[sqlx_macros::test]

async fn it_executes_queries() -> anyhow::Result<()> {

let mut conn = new::<Sqlite>().await?;

let _ = conn

.execute(

r#"

CREATE TEMPORARY TABLE users (id INTEGER PRIMARY KEY)

"#,

)

.await?;

for index in 1..=10_i32 {

let done = sqlx::query("INSERT INTO users (id) VALUES (?)")

.bind(index * 2)

.execute(&mut conn)

.await?;

assert_eq!(done.rows_affected(), 1);

}

let sum: i32 = sqlx::query_as("SELECT id FROM users")

.fetch(&mut conn)

.try_fold(0_i32, |acc, (x,): (i32,)| async move { Ok(acc + x) })

.await?;

assert_eq!(sum, 110);

Ok(())

}

#[sqlx_macros::test]

async fn it_can_execute_multiple_statements() -> anyhow::Result<()> {

let mut conn = new::<Sqlite>().await?;

let done = conn

.execute(

r#"

CREATE TEMPORARY TABLE users (id INTEGER PRIMARY KEY, other INTEGER);

INSERT INTO users DEFAULT VALUES;

"#,

)

.await?;

assert_eq!(done.rows_affected(), 1);

for index in 2..5_i32 {

let (id, other): (i32, i32) = sqlx::query_as(

r#"

INSERT INTO users (other) VALUES (?);

SELECT id, other FROM users WHERE id = last_insert_rowid();

"#,

)

.bind(index)

.fetch_one(&mut conn)

.await?;

assert_eq!(id, index);

assert_eq!(other, index);

}

Ok(())

}

#[sqlx_macros::test]

async fn it_interleaves_reads_and_writes() -> anyhow::Result<()> {

let mut conn = new::<Sqlite>().await?;

let mut cursor = conn.fetch(

CREATE TABLE IF NOT EXISTS _sqlx_test (

id INT PRIMARY KEY,

text TEXT NOT NULL

);

SELECT 'Hello World' as _1;

INSERT INTO _sqlx_test (text) VALUES ('this is a test');

SELECT id, text FROM _sqlx_test;

);

let row = cursor.try_next().await?.unwrap();

assert!("Hello World" == row.try_get::<&str, _>("_1")?);

let row = cursor.try_next().await?.unwrap();

let id: i64 = row.try_get("id")?;

let text: &str = row.try_get("text")?;

assert_eq!(0, id);

assert_eq!("this is a test", text);

Ok(())

}

#[sqlx_macros::test]

async fn it_supports_collations() -> anyhow::Result<()> {

let mut conn = new::<Sqlite>().await?;

// also tests `.lock_handle()`

conn.lock_handle()

.await?

.create_collation("test_collation", |l, r| l.cmp(r).reverse())?;

let _ = conn

.execute(

r#"

CREATE TEMPORARY TABLE users (id INTEGER PRIMARY KEY, name TEXT NOT NULL COLLATE test_collation)

"#,

)

.await?;

sqlx::query("INSERT INTO users (name) VALUES (?)")

.bind("a")

.execute(&mut conn)

.await?;

sqlx::query("INSERT INTO users (name) VALUES (?)")

.bind("b")

.execute(&mut conn)

.await?;

let row: SqliteRow = conn

.fetch_one("SELECT name FROM users ORDER BY name ASC")

.await?;

let name: &str = row.try_get(0)?;

assert_eq!(name, "b");

Ok(())

}

#[sqlx_macros::test]

async fn it_caches_statements() -> anyhow::Result<()> {

let mut conn = new::<Sqlite>().await?;

// Initial PRAGMAs are not cached as we are not going to execute

// them more than once.

assert_eq!(0, conn.cached_statements_size());

// `&str` queries are not persistent.

let row = conn.fetch_one("SELECT 100 AS val").await?;

let val: i32 = row.get("val");

assert_eq!(val, 100);

assert_eq!(0, conn.cached_statements_size());

// `Query` is persistent by default.

let mut conn = new::<Sqlite>().await?;

for i in 0..2 {

let row = sqlx::query("SELECT ? AS val")

.bind(i)

.fetch_one(&mut conn)

.await?;

let val: i32 = row.get("val");

assert_eq!(i, val);

}

assert_eq!(1, conn.cached_statements_size());

// Cache can be cleared.

conn.clear_cached_statements().await?;

assert_eq!(0, conn.cached_statements_size());

// `Query` is not persistent if `.persistent(false)` is used

// explicity.

let mut conn = new::<Sqlite>().await?;

for i in 0..2 {

let row = sqlx::query("SELECT ? AS val")

.bind(i)

.persistent(false)

.fetch_one(&mut conn)

.await?;

let val: i32 = row.get("val");

assert_eq!(i, val);

}

assert_eq!(0, conn.cached_statements_size());

Ok(())

}

#[sqlx_macros::test]

async fn it_can_prepare_then_execute() -> anyhow::Result<()> {

let mut conn = new::<Sqlite>().await?;

let mut tx = conn.begin().await?;

let _ = sqlx::query("INSERT INTO tweet ( id, text ) VALUES ( 2, 'Hello, World' )")

.execute(&mut tx)

.await?;

let tweet_id: i32 = 2;

let statement = tx.prepare("SELECT * FROM tweet WHERE id = ?1").await?;

assert_eq!(statement.column(0).name(), "id");

assert_eq!(statement.column(1).name(), "text");

assert_eq!(statement.column(2).name(), "is_sent");

assert_eq!(statement.column(3).name(), "owner_id");

assert_eq!(statement.column(0).type_info().name(), "INTEGER");

assert_eq!(statement.column(1).type_info().name(), "TEXT");

assert_eq!(statement.column(2).type_info().name(), "BOOLEAN");

assert_eq!(statement.column(3).type_info().name(), "INTEGER");

let row = statement.query().bind(tweet_id).fetch_one(&mut tx).await?;

let tweet_text: &str = row.try_get("text")?;

assert_eq!(tweet_text, "Hello, World");

Ok(())

}

#[sqlx_macros::test]

async fn it_resets_prepared_statement_after_fetch_one() -> anyhow::Result<()> {

let mut conn = new::<Sqlite>().await?;

conn.execute("CREATE TEMPORARY TABLE foobar (id INTEGER)")

.await?;

conn.execute("INSERT INTO foobar VALUES (42)").await?;

let r = sqlx::query("SELECT id FROM foobar")

.fetch_one(&mut conn)

.await?;

let x: i32 = r.try_get("id")?;

assert_eq!(x, 42);

conn.execute("DROP TABLE foobar").await?;

Ok(())

}

#[sqlx_macros::test]

async fn it_resets_prepared_statement_after_fetch_many() -> anyhow::Result<()> {

let mut conn = new::<Sqlite>().await?;

conn.execute("CREATE TEMPORARY TABLE foobar (id INTEGER)")

.await?;

conn.execute("INSERT INTO foobar VALUES (42)").await?;

conn.execute("INSERT INTO foobar VALUES (43)").await?;

let mut rows = sqlx::query("SELECT id FROM foobar").fetch(&mut conn);

let row = rows.try_next().await?.unwrap();

let x: i32 = row.try_get("id")?;

assert_eq!(x, 42);

drop(rows);

conn.execute("DROP TABLE foobar").await?;

Ok(())

}

// https://github.com/launchbadge/sqlx/issues/1300

#[sqlx_macros::test]

async fn concurrent_resets_dont_segfault() {

use sqlx::{sqlite::SqliteConnectOptions, ConnectOptions};

use std::{str::FromStr, time::Duration};

let mut conn = SqliteConnectOptions::from_str(":memory:")

.unwrap()

.connect()

.await

.unwrap();

sqlx::query("CREATE TABLE stuff (name INTEGER, value INTEGER)")

.execute(&mut conn)

.await

.unwrap();

sqlx_rt::spawn(async move {

for i in 0..1000 {

sqlx::query("INSERT INTO stuff (name, value) VALUES (?, ?)")

.bind(i)

.bind(0)

.execute(&mut conn)

.await

.unwrap();

}

});

sqlx_rt::sleep(Duration::from_millis(1)).await;

}

// https://github.com/launchbadge/sqlx/issues/1419

// note: this passes before and after the fix; you need to run it with `--nocapture`

// to see the panic from the worker thread, which doesn't happen after the fix

#[sqlx_macros::test]

async fn row_dropped_after_connection_doesnt_panic() {

let mut conn = SqliteConnection::connect(":memory:").await.unwrap();

let books = sqlx::query("SELECT 'hello' AS title")

.fetch_all(&mut conn)

.await

.unwrap();

for book in &books {

// force the row to be inflated

let _title: String = book.get("title");

}

// hold `books` past the lifetime of `conn`

drop(conn);

sqlx_rt::sleep(std::time::Duration::from_secs(1)).await;

drop(books);

}

// note: to repro issue #1467 this should be run in release mode

// May spuriously fail with UNIQUE constraint failures (which aren't relevant to the original issue)

// which I have tried to reproduce using the same seed as printed from CI but to no avail.

// It may be due to some nondeterminism in SQLite itself for all I know.

#[sqlx_macros::test]

#[ignore]

async fn issue_1467() -> anyhow::Result<()> {

let mut conn = SqliteConnectOptions::new()

.filename(":memory:")

.connect()

.await?;

sqlx::query(

r#"

CREATE TABLE kv (k PRIMARY KEY, v);

CREATE INDEX idx_kv ON kv (v);

"#,

)

.execute(&mut conn)

.await?;

// Random seed:

let seed: [u8; 32] = rand::random();

println!("RNG seed: {}", hex::encode(&seed));

// Pre-determined seed:

// let mut seed: [u8; 32] = [0u8; 32];

// hex::decode_to_slice(

// "135234871d03fc0479e22f2f06395b6074761bac5fe7dcf205dbe01eef9f7794",

// &mut seed,

// )?;

// reproducible RNG for testing

let mut rng = Xoshiro256PlusPlus::from_seed(seed);

for i in 0..1_000_000 {

if i % 1_000 == 0 {

println!("{}", i);

}

let key = rng.gen_range(0..1_000);

let value = rng.gen_range(0..1_000);

let mut tx = conn.begin().await?;

let exists = sqlx::query("SELECT 1 FROM kv WHERE k = ?")

.bind(key)

.fetch_optional(&mut tx)

.await?;

if exists.is_some() {

sqlx::query("UPDATE kv SET v = ? WHERE k = ?")

.bind(value)

.bind(key)

.execute(&mut tx)

.await?;

} else {

sqlx::query("INSERT INTO kv(k, v) VALUES (?, ?)")

.bind(key)

.bind(value)

.execute(&mut tx)

.await?;

}

tx.commit().await?;

}

Ok(())

}

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