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//! Integration tests for musq.
#[cfg(test)]
mod tests {
use std::{sync::Arc, thread::available_parallelism, time::Duration};
use futures::future::join_all;
use musq::{Connection, Musq, query, query_as};
use tokio::{runtime::Handle, task::spawn_blocking, time::sleep};
/// Test that multiple concurrent reads work without blocking each other
#[tokio::test]
async fn test_concurrent_reads() -> anyhow::Result<()> {
let conn = Arc::new(Connection::connect_with(&Musq::new()).await?);
// Setup test data
query("CREATE TABLE test_concurrent_reads (id INTEGER, value TEXT)")
.execute(&*conn)
.await?;
for i in 0..10 {
query("INSERT INTO test_concurrent_reads (id, value) VALUES (?, ?)")
.bind(i)
.bind(format!("value_{i}"))
.execute(&*conn)
.await?;
}
// Run multiple concurrent queries
let mut handles = vec![];
for i in 0..5 {
let conn_clone = Arc::clone(&conn);
let handle = tokio::spawn(async move {
let rows: Vec<(i32, String)> =
query_as("SELECT id, value FROM test_concurrent_reads WHERE id >= ?")
.bind(i)
.fetch_all(&*conn_clone)
.await
.unwrap();
rows.len()
});
handles.push(handle);
}
// Wait for all tasks to complete
let results = join_all(handles).await;
// Verify all tasks completed successfully
for result in results {
assert!(result.is_ok());
let count = result.unwrap();
assert!(count > 0);
}
Ok(())
}
/// Test that concurrent execute operations work correctly
#[tokio::test]
async fn test_concurrent_executes() -> anyhow::Result<()> {
let conn = Arc::new(Connection::connect_with(&Musq::new()).await?);
// Setup test table
query("CREATE TABLE test_concurrent_executes (id INTEGER, thread_id INTEGER)")
.execute(&*conn)
.await?;
// Run multiple concurrent inserts
let mut handles = vec![];
for thread_id in 0..10 {
let conn_clone = Arc::clone(&conn);
let handle = tokio::spawn(async move {
for i in 0..5 {
let result =
query("INSERT INTO test_concurrent_executes (id, thread_id) VALUES (?, ?)")
.bind(thread_id * 5 + i)
.bind(thread_id)
.execute(&*conn_clone)
.await;
assert!(result.is_ok());
}
});
handles.push(handle);
}
// Wait for all tasks to complete
join_all(handles).await;
// Verify all data was inserted
let count: (i64,) = query_as("SELECT COUNT(*) FROM test_concurrent_executes")
.fetch_one(&*conn)
.await?;
assert_eq!(count.0, 50);
Ok(())
}
/// Test that concurrent prepared statement usage works
#[tokio::test]
async fn test_concurrent_prepared_statements() -> anyhow::Result<()> {
let conn = Arc::new(Connection::connect_with(&Musq::new()).await?);
// Setup test table
query("CREATE TABLE test_concurrent_prepared (id INTEGER, data TEXT)")
.execute(&*conn)
.await?;
// Insert some test data
for i in 0..100 {
query("INSERT INTO test_concurrent_prepared (id, data) VALUES (?, ?)")
.bind(i)
.bind(format!("data_{i}"))
.execute(&*conn)
.await?;
}
// Run multiple concurrent queries using the same SQL (should use prepared statement cache)
let mut handles = vec![];
for _ in 0..10 {
let conn_clone = Arc::clone(&conn);
let handle = tokio::spawn(async move {
let mut results = vec![];
for i in 0..10 {
let row: (i32, String) =
query_as("SELECT id, data FROM test_concurrent_prepared WHERE id = ?")
.bind(i * 10)
.fetch_one(&*conn_clone)
.await
.unwrap();
results.push(row);
}
results
});
handles.push(handle);
}
// Wait for all tasks to complete
let results = join_all(handles).await;
// Verify all tasks completed successfully
for result in results {
assert!(result.is_ok());
let rows = result.unwrap();
assert_eq!(rows.len(), 10);
}
Ok(())
}
/// Test that concurrent reads and writes work together
#[tokio::test]
async fn test_concurrent_read_write_mix() -> anyhow::Result<()> {
let conn = Arc::new(Connection::connect_with(&Musq::new()).await?);
// Setup test table
query(
"CREATE TABLE test_concurrent_mix (id INTEGER PRIMARY KEY, counter INTEGER DEFAULT 0)",
)
.execute(&*conn)
.await?;
// Insert initial data
for i in 0..10 {
query("INSERT INTO test_concurrent_mix (id, counter) VALUES (?, 0)")
.bind(i)
.execute(&*conn)
.await?;
}
// Run concurrent readers and writers
let mut handles = vec![];
// Start readers
for _reader_id in 0..5 {
let conn_clone = Arc::clone(&conn);
let handle = tokio::spawn(async move {
for _ in 0..20 {
let total: (i64,) = query_as("SELECT SUM(counter) FROM test_concurrent_mix")
.fetch_one(&*conn_clone)
.await
.unwrap();
// Just verify we can read the data
assert!(total.0 >= 0);
sleep(Duration::from_millis(1)).await;
}
});
handles.push(handle);
}
// Start writers
for writer_id in 0..3 {
let conn_clone = Arc::clone(&conn);
let handle = tokio::spawn(async move {
for _ in 0..10 {
let id = writer_id % 10;
query("UPDATE test_concurrent_mix SET counter = counter + 1 WHERE id = ?")
.bind(id)
.execute(&*conn_clone)
.await
.unwrap();
sleep(Duration::from_millis(2)).await;
}
});
handles.push(handle);
}
// Wait for all tasks to complete
join_all(handles).await;
// Verify final state
let final_total: (i64,) = query_as("SELECT SUM(counter) FROM test_concurrent_mix")
.fetch_one(&*conn)
.await?;
assert_eq!(final_total.0, 30); // 3 writers * 10 updates each
Ok(())
}
/// Test that arguments are properly cloned and not consumed
#[tokio::test]
async fn test_arguments_not_consumed() -> anyhow::Result<()> {
let conn = Arc::new(Connection::connect_with(&Musq::new()).await?);
// Setup test table
query("CREATE TABLE test_args (id INTEGER, value TEXT)")
.execute(&*conn)
.await?;
// Create a query with arguments
let _test_query = query("SELECT ?1 as id, ?2 as value")
.bind(42)
.bind("test_value");
// Execute the same query multiple times concurrently
let mut handles = vec![];
for _ in 0..5 {
let conn_clone = Arc::clone(&conn);
// Arguments are now cloned, so we can reuse the same query pattern multiple times
let handle = tokio::spawn(async move {
let row: (i32, String) = query_as("SELECT ?1 as id, ?2 as value")
.bind(42)
.bind("test_value")
.fetch_one(&*conn_clone)
.await
.unwrap();
row
});
handles.push(handle);
}
// Wait for all tasks to complete
let results = join_all(handles).await;
// Verify all tasks completed successfully with correct results
for result in results {
assert!(result.is_ok());
let (id, value) = result.unwrap();
assert_eq!(id, 42);
assert_eq!(value, "test_value");
}
Ok(())
}
/// Test concurrent access to statement cache
#[tokio::test]
async fn test_concurrent_statement_cache() -> anyhow::Result<()> {
let conn = Arc::new(Connection::connect_with(&Musq::new()).await?);
// Create different SQL statements that should be cached
let statements = [
"SELECT 1 as num",
"SELECT 2 as num",
"SELECT 3 as num",
"SELECT 4 as num",
"SELECT 5 as num",
];
// Run concurrent queries using different statements
let mut handles = vec![];
for i in 0..20 {
let conn_clone = Arc::clone(&conn);
let stmt = statements[i % statements.len()].to_string();
let expected = (i % statements.len()) as i32 + 1;
let handle = tokio::spawn(async move {
let result: (i32,) = query_as(&stmt).fetch_one(&*conn_clone).await.unwrap();
(result.0, expected)
});
handles.push(handle);
}
// Wait for all tasks to complete
let results = join_all(handles).await;
// Verify all tasks completed with correct results
for result in results {
assert!(result.is_ok());
let (actual, expected) = result.unwrap();
assert_eq!(actual, expected);
}
Ok(())
}
/// Test that connections can be shared across threads safely
#[tokio::test]
async fn test_connection_thread_safety() -> anyhow::Result<()> {
let conn = Arc::new(Connection::connect_with(&Musq::new()).await?);
// Setup test table
query("CREATE TABLE test_thread_safety (id INTEGER, thread_name TEXT)")
.execute(&*conn)
.await?;
// Spawn tasks on different threads
let mut handles = vec![];
for i in 0..available_parallelism().unwrap().get().min(8) {
let conn_clone = Arc::clone(&conn);
let handle = spawn_blocking(move || {
Handle::current().block_on(async move {
let thread_name = format!("thread_{i}");
// Insert data
query("INSERT INTO test_thread_safety (id, thread_name) VALUES (?, ?)")
.bind(i as i32)
.bind(&thread_name)
.execute(&*conn_clone)
.await?;
// Read it back
let result: (i32, String) =
query_as("SELECT id, thread_name FROM test_thread_safety WHERE id = ?")
.bind(i as i32)
.fetch_one(&*conn_clone)
.await?;
anyhow::Ok((result.0, result.1))
})
});
handles.push(handle);
}
// Wait for all tasks to complete
let results = join_all(handles).await;
// Verify all tasks completed successfully
for (i, result) in results.into_iter().enumerate() {
assert!(result.is_ok());
let inner_result = result.unwrap();
assert!(inner_result.is_ok());
let (id, thread_name) = inner_result.unwrap();
assert_eq!(id, i as i32);
assert_eq!(thread_name, format!("thread_{i}"));
}
Ok(())
}
}