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Copy pathlib.rs
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197 lines (161 loc) · 6.23 KB
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use sqlx::{database::Database, Connect};
use std::env;
fn setup_if_needed() {
let _ = dotenv::dotenv();
let _ = env_logger::builder().is_test(true).try_init();
}
// Make a new connection
// Ensure [dotenv] and [env_logger] have been setup
pub async fn new<DB>() -> anyhow::Result<DB::Connection>
where
DB: Database,
{
setup_if_needed();
Ok(DB::Connection::connect(&env::var("DATABASE_URL")?).await?)
}
// Test type encoding and decoding
#[macro_export]
macro_rules! test_type {
($name:ident<$ty:ty>($db:ident, $sql:literal, $($text:literal == $value:expr),+ $(,)?)) => {
$crate::__test_prepared_type!($name<$ty>($db, $sql, $($text == $value),+));
$crate::test_unprepared_type!($name<$ty>($db, $($text == $value),+));
};
($name:ident<$ty:ty>($db:ident, $($text:literal == $value:expr),+ $(,)?)) => {
paste::item! {
$crate::__test_prepared_type!($name<$ty>($db, $crate::[< $db _query_for_test_prepared_type >]!(), $($text == $value),+));
$crate::test_unprepared_type!($name<$ty>($db, $($text == $value),+));
}
};
($name:ident($db:ident, $($text:literal == $value:expr),+ $(,)?)) => {
$crate::test_type!($name<$name>($db, $($text == $value),+));
};
}
// Test type decoding only
#[macro_export]
macro_rules! test_decode_type {
($name:ident<$ty:ty>($db:ident, $($text:literal == $value:expr),+ $(,)?)) => {
$crate::__test_prepared_decode_type!($name<$ty>($db, $($text == $value),+));
$crate::test_unprepared_type!($name<$ty>($db, $($text == $value),+));
};
($name:ident($db:ident, $($text:literal == $value:expr),+ $(,)?)) => {
$crate::test_decode_type!($name<$name>($db, $($text == $value),+));
};
}
// Test type encoding and decoding
#[macro_export]
macro_rules! test_prepared_type {
($name:ident<$ty:ty>($db:ident, $sql:literal, $($text:literal == $value:expr),+ $(,)?)) => {
$crate::__test_prepared_type!($name<$ty>($db, $sql, $($text == $value),+));
};
($name:ident<$ty:ty>($db:ident, $($text:literal == $value:expr),+ $(,)?)) => {
paste::item! {
$crate::__test_prepared_type!($name<$ty>($db, $crate::[< $db _query_for_test_prepared_type >]!(), $($text == $value),+));
}
};
($name:ident($db:ident, $($text:literal == $value:expr),+ $(,)?)) => {
$crate::__test_prepared_type!($name<$name>($db, $($text == $value),+));
};
}
// Test type decoding for the simple (unprepared) query API
#[macro_export]
macro_rules! test_unprepared_type {
($name:ident<$ty:ty>($db:ident, $($text:literal == $value:expr),+ $(,)?)) => {
paste::item! {
#[sqlx_rt::test]
async fn [< test_unprepared_type_ $name >] () -> anyhow::Result<()> {
use sqlx::prelude::*;
use futures::TryStreamExt;
let mut conn = sqlx_test::new::<$db>().await?;
$(
let query = format!("SELECT {}", $text);
let mut s = conn.fetch(&*query);
let row = s.try_next().await?.unwrap();
let rec = row.try_get::<$ty, _>(0)?;
assert!($value == rec);
drop(s);
)+
Ok(())
}
}
}
}
// Test type decoding only for the prepared query API
#[macro_export]
macro_rules! __test_prepared_decode_type {
($name:ident<$ty:ty>($db:ident, $($text:literal == $value:expr),+ $(,)?)) => {
paste::item! {
#[sqlx_rt::test]
async fn [< test_prepared_decode_type_ $name >] () -> anyhow::Result<()> {
use sqlx::Row;
let mut conn = sqlx_test::new::<$db>().await?;
$(
let query = format!("SELECT {}", $text);
let row = sqlx::query(&query)
.fetch_one(&mut conn)
.await?;
let rec: $ty = row.try_get(0)?;
assert!($value == rec);
)+
Ok(())
}
}
};
}
// Test type encoding and decoding for the prepared query API
#[macro_export]
macro_rules! __test_prepared_type {
($name:ident<$ty:ty>($db:ident, $sql:expr, $($text:literal == $value:expr),+ $(,)?)) => {
paste::item! {
#[sqlx_rt::test]
async fn [< test_prepared_type_ $name >] () -> anyhow::Result<()> {
use sqlx::Row;
let mut conn = sqlx_test::new::<$db>().await?;
$(
let query = format!($sql, $text);
let row = sqlx::query(&query)
.bind($value)
.bind($value)
.fetch_one(&mut conn)
.await?;
let matches: bool = row.try_get(0)?;
let returned: $ty = row.try_get(1)?;
let round_trip: $ty = row.try_get(2)?;
assert!(matches,
"[1] DB value mismatch; given value: {:?}\n\
as returned: {:?}\n\
round-trip: {:?}",
$value, returned, round_trip);
assert_eq!($value, returned,
"[2] DB value mismatch; given value: {:?}\n\
as returned: {:?}\n\
round-trip: {:?}",
$value, returned, round_trip);
assert_eq!($value, round_trip,
"[3] DB value mismatch; given value: {:?}\n\
as returned: {:?}\n\
round-trip: {:?}",
$value, returned, round_trip);
)+
Ok(())
}
}
};
}
#[macro_export]
macro_rules! MySql_query_for_test_prepared_type {
() => {
"SELECT {0} <=> ?, {0}, ?"
};
}
#[macro_export]
macro_rules! Sqlite_query_for_test_prepared_type {
() => {
"SELECT {0} is ?, {0}, ?"
};
}
#[macro_export]
macro_rules! Postgres_query_for_test_prepared_type {
() => {
"SELECT {0} is not distinct from $1, {0}, $2"
};
}