mirror of
https://github.com/LemmyNet/lemmy.git
synced 2024-12-27 13:21:32 +00:00
618 lines
17 KiB
Rust
618 lines
17 KiB
Rust
use crate::{newtypes::DbUrl, CommentSortType, SortType};
|
||
use chrono::{DateTime, TimeDelta, Utc};
|
||
use deadpool::Runtime;
|
||
use diesel::{
|
||
helper_types::AsExprOf,
|
||
pg::Pg,
|
||
query_builder::{Query, QueryFragment},
|
||
query_dsl::methods::LimitDsl,
|
||
result::{
|
||
ConnectionError,
|
||
ConnectionResult,
|
||
Error::{self as DieselError, QueryBuilderError},
|
||
},
|
||
sql_types::{self, Timestamptz},
|
||
IntoSql,
|
||
OptionalExtension,
|
||
};
|
||
use diesel_async::{
|
||
pg::AsyncPgConnection,
|
||
pooled_connection::{
|
||
deadpool::{Hook, HookError, Object as PooledConnection, Pool},
|
||
AsyncDieselConnectionManager,
|
||
ManagerConfig,
|
||
},
|
||
SimpleAsyncConnection,
|
||
};
|
||
use futures_util::{future::BoxFuture, Future, FutureExt};
|
||
use i_love_jesus::CursorKey;
|
||
use lemmy_utils::{
|
||
error::{LemmyErrorExt, LemmyErrorType, LemmyResult},
|
||
settings::SETTINGS,
|
||
};
|
||
use once_cell::sync::Lazy;
|
||
use regex::Regex;
|
||
use rustls::{
|
||
client::danger::{
|
||
DangerousClientConfigBuilder,
|
||
HandshakeSignatureValid,
|
||
ServerCertVerified,
|
||
ServerCertVerifier,
|
||
},
|
||
crypto::{self, verify_tls12_signature, verify_tls13_signature},
|
||
pki_types::{CertificateDer, ServerName, UnixTime},
|
||
ClientConfig,
|
||
DigitallySignedStruct,
|
||
SignatureScheme,
|
||
};
|
||
use std::{
|
||
ops::{Deref, DerefMut},
|
||
sync::Arc,
|
||
time::Duration,
|
||
};
|
||
use tracing::error;
|
||
use url::Url;
|
||
|
||
const FETCH_LIMIT_DEFAULT: i64 = 10;
|
||
pub const FETCH_LIMIT_MAX: i64 = 50;
|
||
pub const SITEMAP_LIMIT: i64 = 50000;
|
||
pub const SITEMAP_DAYS: Option<TimeDelta> = TimeDelta::try_days(31);
|
||
pub const RANK_DEFAULT: f64 = 0.0001;
|
||
|
||
pub type ActualDbPool = Pool<AsyncPgConnection>;
|
||
|
||
/// References a pool or connection. Functions must take `&mut DbPool<'_>` to allow implicit
|
||
/// reborrowing.
|
||
///
|
||
/// https://github.com/rust-lang/rfcs/issues/1403
|
||
pub enum DbPool<'a> {
|
||
Pool(&'a ActualDbPool),
|
||
Conn(&'a mut AsyncPgConnection),
|
||
}
|
||
|
||
pub enum DbConn<'a> {
|
||
Pool(PooledConnection<AsyncPgConnection>),
|
||
Conn(&'a mut AsyncPgConnection),
|
||
}
|
||
|
||
pub async fn get_conn<'a, 'b: 'a>(pool: &'a mut DbPool<'b>) -> Result<DbConn<'a>, DieselError> {
|
||
Ok(match pool {
|
||
DbPool::Pool(pool) => DbConn::Pool(pool.get().await.map_err(|e| QueryBuilderError(e.into()))?),
|
||
DbPool::Conn(conn) => DbConn::Conn(conn),
|
||
})
|
||
}
|
||
|
||
impl<'a> Deref for DbConn<'a> {
|
||
type Target = AsyncPgConnection;
|
||
|
||
fn deref(&self) -> &Self::Target {
|
||
match self {
|
||
DbConn::Pool(conn) => conn.deref(),
|
||
DbConn::Conn(conn) => conn.deref(),
|
||
}
|
||
}
|
||
}
|
||
|
||
impl<'a> DerefMut for DbConn<'a> {
|
||
fn deref_mut(&mut self) -> &mut Self::Target {
|
||
match self {
|
||
DbConn::Pool(conn) => conn.deref_mut(),
|
||
DbConn::Conn(conn) => conn.deref_mut(),
|
||
}
|
||
}
|
||
}
|
||
|
||
// Allows functions that take `DbPool<'_>` to be called in a transaction by passing `&mut
|
||
// conn.into()`
|
||
impl<'a> From<&'a mut AsyncPgConnection> for DbPool<'a> {
|
||
fn from(value: &'a mut AsyncPgConnection) -> Self {
|
||
DbPool::Conn(value)
|
||
}
|
||
}
|
||
|
||
impl<'a, 'b: 'a> From<&'a mut DbConn<'b>> for DbPool<'a> {
|
||
fn from(value: &'a mut DbConn<'b>) -> Self {
|
||
DbPool::Conn(value.deref_mut())
|
||
}
|
||
}
|
||
|
||
impl<'a> From<&'a ActualDbPool> for DbPool<'a> {
|
||
fn from(value: &'a ActualDbPool) -> Self {
|
||
DbPool::Pool(value)
|
||
}
|
||
}
|
||
|
||
/// Runs multiple async functions that take `&mut DbPool<'_>` as input and return `Result`. Only
|
||
/// works when the `futures` crate is listed in `Cargo.toml`.
|
||
///
|
||
/// `$pool` is the value given to each function.
|
||
///
|
||
/// A `Result` is returned (not in a `Future`, so don't use `.await`). The `Ok` variant contains a
|
||
/// tuple with the values returned by the given functions.
|
||
///
|
||
/// The functions run concurrently if `$pool` has the `DbPool::Pool` variant.
|
||
#[macro_export]
|
||
macro_rules! try_join_with_pool {
|
||
($pool:ident => ($($func:expr),+)) => {{
|
||
// Check type
|
||
let _: &mut $crate::utils::DbPool<'_> = $pool;
|
||
|
||
match $pool {
|
||
// Run concurrently with `try_join`
|
||
$crate::utils::DbPool::Pool(__pool) => ::futures::try_join!(
|
||
$(async {
|
||
let mut __dbpool = $crate::utils::DbPool::Pool(__pool);
|
||
($func)(&mut __dbpool).await
|
||
}),+
|
||
),
|
||
// Run sequentially
|
||
$crate::utils::DbPool::Conn(__conn) => async {
|
||
Ok(($({
|
||
let mut __dbpool = $crate::utils::DbPool::Conn(__conn);
|
||
// `?` prevents the error type from being inferred in an `async` block, so `match` is used instead
|
||
match ($func)(&mut __dbpool).await {
|
||
::core::result::Result::Ok(__v) => __v,
|
||
::core::result::Result::Err(__v) => return ::core::result::Result::Err(__v),
|
||
}
|
||
}),+))
|
||
}.await,
|
||
}
|
||
}};
|
||
}
|
||
|
||
pub struct ReverseTimestampKey<K>(pub K);
|
||
|
||
impl<K, C> CursorKey<C> for ReverseTimestampKey<K>
|
||
where
|
||
K: CursorKey<C, SqlType = Timestamptz>,
|
||
{
|
||
type SqlType = sql_types::BigInt;
|
||
type CursorValue = functions::reverse_timestamp_sort::HelperType<K::CursorValue>;
|
||
type SqlValue = functions::reverse_timestamp_sort::HelperType<K::SqlValue>;
|
||
|
||
fn get_cursor_value(cursor: &C) -> Self::CursorValue {
|
||
functions::reverse_timestamp_sort(K::get_cursor_value(cursor))
|
||
}
|
||
|
||
fn get_sql_value() -> Self::SqlValue {
|
||
functions::reverse_timestamp_sort(K::get_sql_value())
|
||
}
|
||
}
|
||
|
||
/// Includes an SQL comment before `T`, which can be used to label auto_explain output
|
||
#[derive(QueryId)]
|
||
pub struct Commented<T> {
|
||
comment: String,
|
||
inner: T,
|
||
}
|
||
|
||
impl<T> Commented<T> {
|
||
pub fn new(inner: T) -> Self {
|
||
Commented {
|
||
comment: String::new(),
|
||
inner,
|
||
}
|
||
}
|
||
|
||
/// Adds `text` to the comment if `condition` is true
|
||
pub fn text_if(mut self, text: &str, condition: bool) -> Self {
|
||
if condition {
|
||
if !self.comment.is_empty() {
|
||
self.comment.push_str(", ");
|
||
}
|
||
self.comment.push_str(text);
|
||
}
|
||
self
|
||
}
|
||
|
||
/// Adds `text` to the comment
|
||
pub fn text(self, text: &str) -> Self {
|
||
self.text_if(text, true)
|
||
}
|
||
}
|
||
|
||
impl<T: Query> Query for Commented<T> {
|
||
type SqlType = T::SqlType;
|
||
}
|
||
|
||
impl<T: QueryFragment<Pg>> QueryFragment<Pg> for Commented<T> {
|
||
fn walk_ast<'b>(
|
||
&'b self,
|
||
mut out: diesel::query_builder::AstPass<'_, 'b, Pg>,
|
||
) -> Result<(), DieselError> {
|
||
for line in self.comment.lines() {
|
||
out.push_sql("\n-- ");
|
||
out.push_sql(line);
|
||
}
|
||
out.push_sql("\n");
|
||
self.inner.walk_ast(out.reborrow())
|
||
}
|
||
}
|
||
|
||
impl<T: LimitDsl> LimitDsl for Commented<T> {
|
||
type Output = Commented<T::Output>;
|
||
|
||
fn limit(self, limit: i64) -> Self::Output {
|
||
Commented {
|
||
comment: self.comment,
|
||
inner: self.inner.limit(limit),
|
||
}
|
||
}
|
||
}
|
||
|
||
pub fn fuzzy_search(q: &str) -> String {
|
||
let replaced = q
|
||
.replace('\\', "\\\\")
|
||
.replace('%', "\\%")
|
||
.replace('_', "\\_")
|
||
.replace(' ', "%");
|
||
format!("%{replaced}%")
|
||
}
|
||
|
||
pub fn limit_and_offset(
|
||
page: Option<i64>,
|
||
limit: Option<i64>,
|
||
) -> Result<(i64, i64), diesel::result::Error> {
|
||
let page = match page {
|
||
Some(page) => {
|
||
if page < 1 {
|
||
return Err(QueryBuilderError("Page is < 1".into()));
|
||
}
|
||
page
|
||
}
|
||
None => 1,
|
||
};
|
||
let limit = match limit {
|
||
Some(limit) => {
|
||
if !(1..=FETCH_LIMIT_MAX).contains(&limit) {
|
||
return Err(QueryBuilderError(
|
||
format!("Fetch limit is > {FETCH_LIMIT_MAX}").into(),
|
||
));
|
||
}
|
||
limit
|
||
}
|
||
None => FETCH_LIMIT_DEFAULT,
|
||
};
|
||
let offset = limit * (page - 1);
|
||
Ok((limit, offset))
|
||
}
|
||
|
||
pub fn limit_and_offset_unlimited(page: Option<i64>, limit: Option<i64>) -> (i64, i64) {
|
||
let limit = limit.unwrap_or(FETCH_LIMIT_DEFAULT);
|
||
let offset = limit * (page.unwrap_or(1) - 1);
|
||
(limit, offset)
|
||
}
|
||
|
||
pub fn is_email_regex(test: &str) -> bool {
|
||
EMAIL_REGEX.is_match(test)
|
||
}
|
||
|
||
pub fn diesel_option_overwrite(opt: Option<String>) -> Option<Option<String>> {
|
||
match opt {
|
||
// An empty string is an erase
|
||
Some(unwrapped) => {
|
||
if !unwrapped.eq("") {
|
||
Some(Some(unwrapped))
|
||
} else {
|
||
Some(None)
|
||
}
|
||
}
|
||
None => None,
|
||
}
|
||
}
|
||
|
||
pub fn diesel_option_overwrite_to_url(opt: &Option<String>) -> LemmyResult<Option<Option<DbUrl>>> {
|
||
match opt.as_ref().map(String::as_str) {
|
||
// An empty string is an erase
|
||
Some("") => Ok(Some(None)),
|
||
Some(str_url) => Url::parse(str_url)
|
||
.map(|u| Some(Some(u.into())))
|
||
.with_lemmy_type(LemmyErrorType::InvalidUrl),
|
||
None => Ok(None),
|
||
}
|
||
}
|
||
|
||
pub fn diesel_option_overwrite_to_url_create(opt: &Option<String>) -> LemmyResult<Option<DbUrl>> {
|
||
match opt.as_ref().map(String::as_str) {
|
||
// An empty string is nothing
|
||
Some("") => Ok(None),
|
||
Some(str_url) => Url::parse(str_url)
|
||
.map(|u| Some(u.into()))
|
||
.with_lemmy_type(LemmyErrorType::InvalidUrl),
|
||
None => Ok(None),
|
||
}
|
||
}
|
||
|
||
fn establish_connection(config: &str) -> BoxFuture<ConnectionResult<AsyncPgConnection>> {
|
||
let fut = async {
|
||
let rustls_config = DangerousClientConfigBuilder {
|
||
cfg: ClientConfig::builder(),
|
||
}
|
||
.with_custom_certificate_verifier(Arc::new(NoCertVerifier {}))
|
||
.with_no_client_auth();
|
||
|
||
let tls = tokio_postgres_rustls::MakeRustlsConnect::new(rustls_config);
|
||
let (client, conn) = tokio_postgres::connect(config, tls)
|
||
.await
|
||
.map_err(|e| ConnectionError::BadConnection(e.to_string()))?;
|
||
tokio::spawn(async move {
|
||
if let Err(e) = conn.await {
|
||
error!("Database connection failed: {e}");
|
||
}
|
||
});
|
||
let mut conn = AsyncPgConnection::try_from(client).await?;
|
||
// * Change geqo_threshold back to default value if it was changed, so it's higher than the
|
||
// collapse limits
|
||
// * Change collapse limits from 8 to 11 so the query planner can find a better table join order
|
||
// for more complicated queries
|
||
conn
|
||
.batch_execute("SET geqo_threshold=12;SET from_collapse_limit=11;SET join_collapse_limit=11;")
|
||
.await
|
||
.map_err(ConnectionError::CouldntSetupConfiguration)?;
|
||
Ok(conn)
|
||
};
|
||
fut.boxed()
|
||
}
|
||
|
||
#[derive(Debug)]
|
||
struct NoCertVerifier {}
|
||
|
||
impl ServerCertVerifier for NoCertVerifier {
|
||
fn verify_server_cert(
|
||
&self,
|
||
_end_entity: &CertificateDer,
|
||
_intermediates: &[CertificateDer],
|
||
_server_name: &ServerName,
|
||
_ocsp: &[u8],
|
||
_now: UnixTime,
|
||
) -> Result<ServerCertVerified, rustls::Error> {
|
||
// Will verify all (even invalid) certs without any checks (sslmode=require)
|
||
Ok(ServerCertVerified::assertion())
|
||
}
|
||
|
||
fn verify_tls12_signature(
|
||
&self,
|
||
message: &[u8],
|
||
cert: &CertificateDer,
|
||
dss: &DigitallySignedStruct,
|
||
) -> Result<HandshakeSignatureValid, rustls::Error> {
|
||
verify_tls12_signature(
|
||
message,
|
||
cert,
|
||
dss,
|
||
&crypto::ring::default_provider().signature_verification_algorithms,
|
||
)
|
||
}
|
||
|
||
fn verify_tls13_signature(
|
||
&self,
|
||
message: &[u8],
|
||
cert: &CertificateDer,
|
||
dss: &DigitallySignedStruct,
|
||
) -> Result<HandshakeSignatureValid, rustls::Error> {
|
||
verify_tls13_signature(
|
||
message,
|
||
cert,
|
||
dss,
|
||
&crypto::ring::default_provider().signature_verification_algorithms,
|
||
)
|
||
}
|
||
|
||
fn supported_verify_schemes(&self) -> Vec<SignatureScheme> {
|
||
crypto::ring::default_provider()
|
||
.signature_verification_algorithms
|
||
.supported_schemes()
|
||
}
|
||
}
|
||
|
||
pub async fn build_db_pool() -> LemmyResult<ActualDbPool> {
|
||
let db_url = SETTINGS.get_database_url();
|
||
// We only support TLS with sslmode=require currently
|
||
let tls_enabled = db_url.contains("sslmode=require");
|
||
let manager = if tls_enabled {
|
||
// diesel-async does not support any TLS connections out of the box, so we need to manually
|
||
// provide a setup function which handles creating the connection
|
||
let mut config = ManagerConfig::default();
|
||
config.custom_setup = Box::new(establish_connection);
|
||
AsyncDieselConnectionManager::<AsyncPgConnection>::new_with_config(&db_url, config)
|
||
} else {
|
||
AsyncDieselConnectionManager::<AsyncPgConnection>::new(&db_url)
|
||
};
|
||
let pool = Pool::builder(manager)
|
||
.max_size(SETTINGS.database.pool_size)
|
||
.runtime(Runtime::Tokio1)
|
||
// Limit connection age to prevent use of prepared statements that have query plans based on
|
||
// very old statistics
|
||
.pre_recycle(Hook::sync_fn(|_conn, metrics| {
|
||
// Preventing the first recycle can cause an infinite loop when trying to get a new connection
|
||
// from the pool
|
||
let conn_was_used = metrics.recycled.is_some();
|
||
if metrics.age() > Duration::from_secs(3 * 24 * 60 * 60) && conn_was_used {
|
||
Err(HookError::Continue(None))
|
||
} else {
|
||
Ok(())
|
||
}
|
||
}))
|
||
.build()?;
|
||
|
||
crate::schema_setup::run(&db_url)?;
|
||
|
||
Ok(pool)
|
||
}
|
||
|
||
pub async fn build_db_pool_for_tests() -> ActualDbPool {
|
||
build_db_pool().await.expect("db pool missing")
|
||
}
|
||
|
||
pub fn naive_now() -> DateTime<Utc> {
|
||
Utc::now()
|
||
}
|
||
|
||
pub fn post_to_comment_sort_type(sort: SortType) -> CommentSortType {
|
||
match sort {
|
||
SortType::Active | SortType::Hot | SortType::Scaled => CommentSortType::Hot,
|
||
SortType::New | SortType::NewComments | SortType::MostComments => CommentSortType::New,
|
||
SortType::Old => CommentSortType::Old,
|
||
SortType::Controversial => CommentSortType::Controversial,
|
||
SortType::TopHour
|
||
| SortType::TopSixHour
|
||
| SortType::TopTwelveHour
|
||
| SortType::TopDay
|
||
| SortType::TopAll
|
||
| SortType::TopWeek
|
||
| SortType::TopYear
|
||
| SortType::TopMonth
|
||
| SortType::TopThreeMonths
|
||
| SortType::TopSixMonths
|
||
| SortType::TopNineMonths => CommentSortType::Top,
|
||
}
|
||
}
|
||
|
||
static EMAIL_REGEX: Lazy<Regex> = Lazy::new(|| {
|
||
Regex::new(r"^[a-zA-Z0-9.!#$%&’*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\.[a-zA-Z0-9-]+)*$")
|
||
.expect("compile email regex")
|
||
});
|
||
|
||
pub mod functions {
|
||
use diesel::sql_types::{BigInt, Text, Timestamptz};
|
||
|
||
sql_function! {
|
||
#[sql_name = "r.hot_rank"]
|
||
fn hot_rank(score: BigInt, time: Timestamptz) -> Double;
|
||
}
|
||
|
||
sql_function! {
|
||
#[sql_name = "r.scaled_rank"]
|
||
fn scaled_rank(score: BigInt, time: Timestamptz, users_active_month: BigInt) -> Double;
|
||
}
|
||
|
||
sql_function! {
|
||
#[sql_name = "r.controversy_rank"]
|
||
fn controversy_rank(upvotes: BigInt, downvotes: BigInt, score: BigInt) -> Double;
|
||
}
|
||
|
||
sql_function!(fn reverse_timestamp_sort(time: Timestamptz) -> BigInt);
|
||
|
||
sql_function!(fn lower(x: Text) -> Text);
|
||
|
||
// really this function is variadic, this just adds the two-argument version
|
||
sql_function!(fn coalesce<T: diesel::sql_types::SqlType + diesel::sql_types::SingleValue>(x: diesel::sql_types::Nullable<T>, y: T) -> T);
|
||
}
|
||
|
||
pub const DELETED_REPLACEMENT_TEXT: &str = "*Permanently Deleted*";
|
||
|
||
pub fn now() -> AsExprOf<diesel::dsl::now, diesel::sql_types::Timestamptz> {
|
||
// https://github.com/diesel-rs/diesel/issues/1514
|
||
diesel::dsl::now.into_sql::<Timestamptz>()
|
||
}
|
||
|
||
pub type ResultFuture<'a, T> = BoxFuture<'a, Result<T, DieselError>>;
|
||
|
||
pub trait ReadFn<'a, T, Args>: Fn(DbConn<'a>, Args) -> ResultFuture<'a, T> {}
|
||
|
||
impl<'a, T, Args, F: Fn(DbConn<'a>, Args) -> ResultFuture<'a, T>> ReadFn<'a, T, Args> for F {}
|
||
|
||
pub trait ListFn<'a, T, Args>: Fn(DbConn<'a>, Args) -> ResultFuture<'a, Vec<T>> {}
|
||
|
||
impl<'a, T, Args, F: Fn(DbConn<'a>, Args) -> ResultFuture<'a, Vec<T>>> ListFn<'a, T, Args> for F {}
|
||
|
||
/// Allows read and list functions to capture a shared closure that has an inferred return type,
|
||
/// which is useful for join logic
|
||
pub struct Queries<RF, LF> {
|
||
pub read_fn: RF,
|
||
pub list_fn: LF,
|
||
}
|
||
|
||
// `()` is used to prevent type inference error
|
||
impl Queries<(), ()> {
|
||
pub fn new<'a, RFut, LFut, RT, LT, RA, LA, RF2, LF2>(
|
||
read_fn: RF2,
|
||
list_fn: LF2,
|
||
) -> Queries<impl ReadFn<'a, RT, RA>, impl ListFn<'a, LT, LA>>
|
||
where
|
||
RFut: Future<Output = Result<RT, DieselError>> + Sized + Send + 'a,
|
||
LFut: Future<Output = Result<Vec<LT>, DieselError>> + Sized + Send + 'a,
|
||
RF2: Fn(DbConn<'a>, RA) -> RFut,
|
||
LF2: Fn(DbConn<'a>, LA) -> LFut,
|
||
{
|
||
Queries {
|
||
read_fn: move |conn, args| read_fn(conn, args).boxed(),
|
||
list_fn: move |conn, args| list_fn(conn, args).boxed(),
|
||
}
|
||
}
|
||
}
|
||
|
||
impl<RF, LF> Queries<RF, LF> {
|
||
pub async fn read<'a, T, Args>(
|
||
self,
|
||
pool: &'a mut DbPool<'_>,
|
||
args: Args,
|
||
) -> Result<Option<T>, DieselError>
|
||
where
|
||
RF: ReadFn<'a, T, Args>,
|
||
{
|
||
let conn = get_conn(pool).await?;
|
||
(self.read_fn)(conn, args).await.optional()
|
||
}
|
||
|
||
pub async fn list<'a, T, Args>(
|
||
self,
|
||
pool: &'a mut DbPool<'_>,
|
||
args: Args,
|
||
) -> Result<Vec<T>, DieselError>
|
||
where
|
||
LF: ListFn<'a, T, Args>,
|
||
{
|
||
let conn = get_conn(pool).await?;
|
||
(self.list_fn)(conn, args).await
|
||
}
|
||
}
|
||
|
||
#[cfg(test)]
|
||
#[allow(clippy::unwrap_used)]
|
||
#[allow(clippy::indexing_slicing)]
|
||
mod tests {
|
||
|
||
use super::*;
|
||
use pretty_assertions::assert_eq;
|
||
|
||
#[test]
|
||
fn test_fuzzy_search() {
|
||
let test = "This %is% _a_ fuzzy search";
|
||
assert_eq!(
|
||
fuzzy_search(test),
|
||
"%This%\\%is\\%%\\_a\\_%fuzzy%search%".to_string()
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_email() {
|
||
assert!(is_email_regex("gush@gmail.com"));
|
||
assert!(!is_email_regex("nada_neutho"));
|
||
}
|
||
|
||
#[test]
|
||
fn test_diesel_option_overwrite() {
|
||
assert_eq!(diesel_option_overwrite(None), None);
|
||
assert_eq!(diesel_option_overwrite(Some(String::new())), Some(None));
|
||
assert_eq!(
|
||
diesel_option_overwrite(Some("test".to_string())),
|
||
Some(Some("test".to_string()))
|
||
);
|
||
}
|
||
|
||
#[test]
|
||
fn test_diesel_option_overwrite_to_url() {
|
||
assert!(matches!(diesel_option_overwrite_to_url(&None), Ok(None)));
|
||
assert!(matches!(
|
||
diesel_option_overwrite_to_url(&Some(String::new())),
|
||
Ok(Some(None))
|
||
));
|
||
assert!(diesel_option_overwrite_to_url(&Some("invalid_url".to_string())).is_err());
|
||
let example_url = "https://example.com";
|
||
assert!(matches!(
|
||
diesel_option_overwrite_to_url(&Some(example_url.to_string())),
|
||
Ok(Some(Some(url))) if url == Url::parse(example_url).unwrap().into()
|
||
));
|
||
}
|
||
}
|