mirror of
https://github.com/aljazceru/turso.git
synced 2025-12-26 20:44:23 +01:00
794 lines
26 KiB
Rust
794 lines
26 KiB
Rust
pub mod grammar_generator;
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#[cfg(test)]
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mod tests {
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use std::rc::Rc;
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use rand::SeedableRng;
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use rand_chacha::ChaCha8Rng;
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use rusqlite::params;
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use crate::{
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common::TempDatabase,
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fuzz::grammar_generator::{rand_int, rand_str, GrammarGenerator},
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};
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fn rng_from_time() -> (ChaCha8Rng, u64) {
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let seed = std::time::SystemTime::now()
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.duration_since(std::time::UNIX_EPOCH)
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.unwrap()
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.as_secs();
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let rng = ChaCha8Rng::seed_from_u64(seed);
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(rng, seed)
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}
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fn sqlite_exec_rows(
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conn: &rusqlite::Connection,
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query: &str,
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) -> Vec<Vec<rusqlite::types::Value>> {
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let mut stmt = conn.prepare(&query).unwrap();
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let mut rows = stmt.query(params![]).unwrap();
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let mut results = Vec::new();
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while let Some(row) = rows.next().unwrap() {
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let mut result = Vec::new();
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for i in 0.. {
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let column: rusqlite::types::Value = match row.get(i) {
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Ok(column) => column,
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Err(rusqlite::Error::InvalidColumnIndex(_)) => break,
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Err(err) => panic!("unexpected rusqlite error: {}", err),
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};
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result.push(column);
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}
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results.push(result)
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}
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results
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}
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fn limbo_exec_rows(
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db: &TempDatabase,
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conn: &Rc<limbo_core::Connection>,
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query: &str,
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) -> Vec<Vec<rusqlite::types::Value>> {
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let mut stmt = conn.prepare(query).unwrap();
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let mut rows = Vec::new();
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'outer: loop {
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let row = loop {
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let result = stmt.step().unwrap();
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match result {
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limbo_core::StepResult::Row => {
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let row = stmt.row().unwrap();
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break row;
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}
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limbo_core::StepResult::IO => {
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db.io.run_once().unwrap();
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continue;
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}
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limbo_core::StepResult::Done => break 'outer,
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r => panic!("unexpected result {:?}: expecting single row", r),
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}
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};
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let row = row
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.get_values()
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.iter()
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.map(|x| match x.to_value() {
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limbo_core::Value::Null => rusqlite::types::Value::Null,
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limbo_core::Value::Integer(x) => rusqlite::types::Value::Integer(x),
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limbo_core::Value::Float(x) => rusqlite::types::Value::Real(x),
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limbo_core::Value::Text(x) => rusqlite::types::Value::Text(x.to_string()),
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limbo_core::Value::Blob(x) => rusqlite::types::Value::Blob(x.to_vec()),
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})
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.collect();
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rows.push(row);
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}
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rows
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}
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#[test]
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pub fn arithmetic_expression_fuzz_ex1() {
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let db = TempDatabase::new_empty();
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let limbo_conn = db.connect_limbo();
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let sqlite_conn = rusqlite::Connection::open_in_memory().unwrap();
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for query in [
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"SELECT ~1 >> 1536",
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"SELECT ~ + 3 << - ~ (~ (8)) - + -1 - 3 >> 3 + -6 * (-7 * 9 >> - 2)",
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] {
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let limbo = limbo_exec_rows(&db, &limbo_conn, query);
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let sqlite = sqlite_exec_rows(&sqlite_conn, query);
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assert_eq!(
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limbo, sqlite,
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"query: {}, limbo: {:?}, sqlite: {:?}",
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query, limbo, sqlite
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);
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}
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}
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#[test]
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pub fn arithmetic_expression_fuzz() {
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let _ = env_logger::try_init();
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let g = GrammarGenerator::new();
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let (expr, expr_builder) = g.create_handle();
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let (bin_op, bin_op_builder) = g.create_handle();
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let (unary_op, unary_op_builder) = g.create_handle();
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let (paren, paren_builder) = g.create_handle();
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paren_builder
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.concat("")
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.push_str("(")
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.push(expr)
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.push_str(")")
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.build();
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unary_op_builder
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.concat(" ")
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.push(g.create().choice().options_str(["~", "+", "-"]).build())
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.push(expr)
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.build();
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bin_op_builder
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.concat(" ")
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.push(expr)
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.push(
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g.create()
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.choice()
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.options_str(["+", "-", "*", "/", "%", "&", "|", "<<", ">>"])
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.build(),
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)
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.push(expr)
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.build();
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expr_builder
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.choice()
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.option_w(unary_op, 1.0)
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.option_w(bin_op, 1.0)
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.option_w(paren, 1.0)
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.option_symbol_w(rand_int(-10..10), 1.0)
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.build();
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let sql = g.create().concat(" ").push_str("SELECT").push(expr).build();
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let db = TempDatabase::new_empty();
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let limbo_conn = db.connect_limbo();
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let sqlite_conn = rusqlite::Connection::open_in_memory().unwrap();
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let (mut rng, seed) = rng_from_time();
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log::info!("seed: {}", seed);
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for _ in 0..1024 {
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let query = g.generate(&mut rng, sql, 50);
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let limbo = limbo_exec_rows(&db, &limbo_conn, &query);
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let sqlite = sqlite_exec_rows(&sqlite_conn, &query);
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assert_eq!(
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limbo, sqlite,
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"query: {}, limbo: {:?}, sqlite: {:?}",
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query, limbo, sqlite
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);
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}
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}
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#[test]
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pub fn fuzz_ex() {
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let _ = env_logger::try_init();
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let db = TempDatabase::new_empty();
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let limbo_conn = db.connect_limbo();
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let sqlite_conn = rusqlite::Connection::open_in_memory().unwrap();
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for query in [
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"SELECT FALSE",
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"SELECT NOT FALSE",
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"SELECT ((NULL) IS NOT TRUE <= ((NOT (FALSE))))",
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"SELECT ifnull(0, NOT 0)",
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"SELECT like('a%', 'a') = 1",
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"SELECT CASE ( NULL < NULL ) WHEN ( 0 ) THEN ( NULL ) ELSE ( 2.0 ) END;",
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"SELECT (COALESCE(0, COALESCE(0, 0)));",
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"SELECT CAST((1 > 0) AS INTEGER);",
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"SELECT substr('ABC', -1)",
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] {
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let limbo = limbo_exec_rows(&db, &limbo_conn, query);
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let sqlite = sqlite_exec_rows(&sqlite_conn, query);
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assert_eq!(
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limbo, sqlite,
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"query: {}, limbo: {:?}, sqlite: {:?}",
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query, limbo, sqlite
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);
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}
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}
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#[test]
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pub fn math_expression_fuzz_run() {
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let _ = env_logger::try_init();
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let g = GrammarGenerator::new();
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let (expr, expr_builder) = g.create_handle();
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let (bin_op, bin_op_builder) = g.create_handle();
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let (scalar, scalar_builder) = g.create_handle();
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let (paren, paren_builder) = g.create_handle();
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paren_builder
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.concat("")
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.push_str("(")
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.push(expr)
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.push_str(")")
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.build();
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bin_op_builder
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.concat(" ")
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.push(expr)
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.push(
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g.create()
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.choice()
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.options_str(["+", "-", "/", "*"])
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.build(),
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)
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.push(expr)
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.build();
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scalar_builder
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.choice()
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.option(
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g.create()
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.concat("")
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.push(
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g.create()
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.choice()
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.options_str([
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"acos", "acosh", "asin", "asinh", "atan", "atanh", "ceil",
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"ceiling", "cos", "cosh", "degrees", "exp", "floor", "ln", "log",
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"log10", "log2", "radians", "sin", "sinh", "sqrt", "tan", "tanh",
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"trunc",
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])
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.build(),
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)
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.push_str("(")
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.push(expr)
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.push_str(")")
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.build(),
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)
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.option(
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g.create()
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.concat("")
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.push(
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g.create()
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.choice()
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.options_str(["atan2", "log", "mod", "pow", "power"])
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.build(),
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)
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.push_str("(")
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.push(g.create().concat("").push(expr).repeat(2..3, ", ").build())
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.push_str(")")
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.build(),
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)
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.build();
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expr_builder
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.choice()
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.options_str(["-2.0", "-1.0", "0.0", "0.5", "1.0", "2.0"])
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.option_w(bin_op, 10.0)
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.option_w(paren, 10.0)
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.option_w(scalar, 10.0)
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.build();
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let sql = g.create().concat(" ").push_str("SELECT").push(expr).build();
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let db = TempDatabase::new_empty();
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let limbo_conn = db.connect_limbo();
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let sqlite_conn = rusqlite::Connection::open_in_memory().unwrap();
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let (mut rng, seed) = rng_from_time();
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log::info!("seed: {}", seed);
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for _ in 0..1024 {
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let query = g.generate(&mut rng, sql, 50);
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log::info!("query: {}", query);
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let limbo = limbo_exec_rows(&db, &limbo_conn, &query);
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let sqlite = sqlite_exec_rows(&sqlite_conn, &query);
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match (&limbo[0][0], &sqlite[0][0]) {
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// compare only finite results because some evaluations are not so stable around infinity
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(rusqlite::types::Value::Real(limbo), rusqlite::types::Value::Real(sqlite))
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if limbo.is_finite() && sqlite.is_finite() =>
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{
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assert!(
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(limbo - sqlite).abs() < 1e-9
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|| (limbo - sqlite) / (limbo.abs().max(sqlite.abs())) < 1e-9,
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"query: {}, limbo: {:?}, sqlite: {:?}",
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query,
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limbo,
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sqlite
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)
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}
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_ => {}
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}
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}
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}
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#[test]
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pub fn string_expression_fuzz_run() {
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let _ = env_logger::try_init();
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let g = GrammarGenerator::new();
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let (expr, expr_builder) = g.create_handle();
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let (bin_op, bin_op_builder) = g.create_handle();
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let (scalar, scalar_builder) = g.create_handle();
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let (paren, paren_builder) = g.create_handle();
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let (number, number_builder) = g.create_handle();
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number_builder
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.choice()
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.option_symbol(rand_int(-5..10))
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.option(
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g.create()
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.concat(" ")
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.push(number)
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.push(g.create().choice().options_str(["+", "-", "*"]).build())
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.push(number)
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.build(),
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)
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.build();
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paren_builder
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.concat("")
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.push_str("(")
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.push(expr)
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.push_str(")")
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.build();
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bin_op_builder
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.concat(" ")
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.push(expr)
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.push(g.create().choice().options_str(["||"]).build())
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.push(expr)
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.build();
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scalar_builder
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.choice()
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.option(
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g.create()
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.concat("")
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.push_str("char(")
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.push(
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g.create()
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.concat("")
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.push_symbol(rand_int(65..91))
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.repeat(1..8, ", ")
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.build(),
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)
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.push_str(")")
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.build(),
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)
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.option(
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g.create()
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.concat("")
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.push(
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g.create()
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.choice()
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.options_str(["ltrim", "rtrim", "trim"])
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.build(),
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)
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.push_str("(")
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.push(g.create().concat("").push(expr).repeat(2..3, ", ").build())
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.push_str(")")
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.build(),
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)
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.option(
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g.create()
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.concat("")
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.push(
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g.create()
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.choice()
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.options_str([
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"ltrim", "rtrim", "lower", "upper", "quote", "hex", "trim",
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])
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.build(),
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)
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.push_str("(")
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.push(expr)
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.push_str(")")
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.build(),
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)
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.option(
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g.create()
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.concat("")
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.push(g.create().choice().options_str(["replace"]).build())
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.push_str("(")
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.push(g.create().concat("").push(expr).repeat(3..4, ", ").build())
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.push_str(")")
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.build(),
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)
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.option(
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g.create()
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.concat("")
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.push(
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g.create()
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.choice()
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.options_str(["substr", "substring"])
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.build(),
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)
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.push_str("(")
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.push(expr)
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.push_str(", ")
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.push(
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g.create()
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.concat("")
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.push(number)
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.repeat(1..3, ", ")
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.build(),
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)
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.push_str(")")
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.build(),
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)
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.build();
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expr_builder
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.choice()
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.option_w(bin_op, 1.0)
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.option_w(paren, 1.0)
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.option_w(scalar, 1.0)
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.option(
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g.create()
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.concat("")
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.push_str("'")
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.push_symbol(rand_str("", 2))
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.push_str("'")
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.build(),
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)
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.build();
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let sql = g.create().concat(" ").push_str("SELECT").push(expr).build();
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let db = TempDatabase::new_empty();
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let limbo_conn = db.connect_limbo();
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let sqlite_conn = rusqlite::Connection::open_in_memory().unwrap();
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let (mut rng, seed) = rng_from_time();
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log::info!("seed: {}", seed);
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for _ in 0..1024 {
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let query = g.generate(&mut rng, sql, 50);
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log::info!("query: {}", query);
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let limbo = limbo_exec_rows(&db, &limbo_conn, &query);
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let sqlite = sqlite_exec_rows(&sqlite_conn, &query);
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assert_eq!(
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limbo, sqlite,
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"query: {}, limbo: {:?}, sqlite: {:?}",
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query, limbo, sqlite
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);
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}
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}
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|
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#[test]
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pub fn logical_expression_fuzz_run() {
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let _ = env_logger::try_init();
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let g = GrammarGenerator::new();
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let (expr, expr_builder) = g.create_handle();
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let (bin_op, bin_op_builder) = g.create_handle();
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let (unary_infix_op, unary_infix_op_builder) = g.create_handle();
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let (scalar, scalar_builder) = g.create_handle();
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let (paren, paren_builder) = g.create_handle();
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paren_builder
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.concat("")
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.push_str("(")
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.push(expr)
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.push_str(")")
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.build();
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unary_infix_op_builder
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.concat(" ")
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.push(g.create().choice().options_str(["NOT"]).build())
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.push(expr)
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.build();
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bin_op_builder
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.concat(" ")
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.push(expr)
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.push(
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g.create()
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.choice()
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.options_str(["AND", "OR", "IS", "IS NOT", "=", "<>", ">", "<", ">=", "<="])
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.build(),
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)
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.push(expr)
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.build();
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let (like_pattern, like_pattern_builder) = g.create_handle();
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like_pattern_builder
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.choice()
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.option_str("%")
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.option_str("_")
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.option_symbol(rand_str("", 1))
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.repeat(1..10, "")
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.build();
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let (glob_pattern, glob_pattern_builder) = g.create_handle();
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glob_pattern_builder
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.choice()
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.option_str("*")
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.option_str("**")
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.option_str("A")
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.option_str("B")
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.repeat(1..10, "")
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.build();
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let (coalesce_expr, coalesce_expr_builder) = g.create_handle();
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coalesce_expr_builder
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.concat("")
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.push_str("COALESCE(")
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.push(g.create().concat("").push(expr).repeat(2..5, ",").build())
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.push_str(")")
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.build();
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let (cast_expr, cast_expr_builder) = g.create_handle();
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cast_expr_builder
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.concat(" ")
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.push_str("CAST ( (")
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.push(expr)
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.push_str(") AS ")
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// cast to INTEGER/REAL/TEXT types can be added when Limbo will use proper equality semantic between values (e.g. 1 = 1.0)
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.push(g.create().choice().options_str(["NUMERIC"]).build())
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.push_str(")")
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.build();
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let (case_expr, case_expr_builder) = g.create_handle();
|
|
case_expr_builder
|
|
.concat(" ")
|
|
.push_str("CASE (")
|
|
.push(expr)
|
|
.push_str(")")
|
|
.push(
|
|
g.create()
|
|
.concat(" ")
|
|
.push_str("WHEN (")
|
|
.push(expr)
|
|
.push_str(") THEN (")
|
|
.push(expr)
|
|
.push_str(")")
|
|
.repeat(1..5, " ")
|
|
.build(),
|
|
)
|
|
.push_str("ELSE (")
|
|
.push(expr)
|
|
.push_str(") END")
|
|
.build();
|
|
|
|
scalar_builder
|
|
.choice()
|
|
.option(coalesce_expr)
|
|
.option(
|
|
g.create()
|
|
.concat("")
|
|
.push_str("like('")
|
|
.push(like_pattern)
|
|
.push_str("', '")
|
|
.push(like_pattern)
|
|
.push_str("')")
|
|
.build(),
|
|
)
|
|
.option(
|
|
g.create()
|
|
.concat("")
|
|
.push_str("glob('")
|
|
.push(glob_pattern)
|
|
.push_str("', '")
|
|
.push(glob_pattern)
|
|
.push_str("')")
|
|
.build(),
|
|
)
|
|
.option(
|
|
g.create()
|
|
.concat("")
|
|
.push_str("ifnull(")
|
|
.push(expr)
|
|
.push_str(",")
|
|
.push(expr)
|
|
.push_str(")")
|
|
.build(),
|
|
)
|
|
.option(
|
|
g.create()
|
|
.concat("")
|
|
.push_str("iif(")
|
|
.push(expr)
|
|
.push_str(",")
|
|
.push(expr)
|
|
.push_str(",")
|
|
.push(expr)
|
|
.push_str(")")
|
|
.build(),
|
|
)
|
|
.build();
|
|
|
|
expr_builder
|
|
.choice()
|
|
.option_w(cast_expr, 1.0)
|
|
.option_w(case_expr, 1.0)
|
|
.option_w(unary_infix_op, 2.0)
|
|
.option_w(bin_op, 3.0)
|
|
.option_w(paren, 2.0)
|
|
.option_w(scalar, 4.0)
|
|
// unfortunately, sqlite behaves weirdly when IS operator is used with TRUE/FALSE constants
|
|
// e.g. 8 IS TRUE == 1 (although 8 = TRUE == 0)
|
|
// so, we do not use TRUE/FALSE constants as they will produce diff with sqlite results
|
|
.options_str(["1", "0", "NULL", "2.0", "1.5", "-0.5", "-2.0", "(1 / 0)"])
|
|
.build();
|
|
|
|
let sql = g.create().concat(" ").push_str("SELECT").push(expr).build();
|
|
|
|
let db = TempDatabase::new_empty();
|
|
let limbo_conn = db.connect_limbo();
|
|
let sqlite_conn = rusqlite::Connection::open_in_memory().unwrap();
|
|
|
|
let (mut rng, seed) = rng_from_time();
|
|
log::info!("seed: {}", seed);
|
|
for _ in 0..1024 {
|
|
let query = g.generate(&mut rng, sql, 50);
|
|
log::info!("query: {}", query);
|
|
let limbo = limbo_exec_rows(&db, &limbo_conn, &query);
|
|
let sqlite = sqlite_exec_rows(&sqlite_conn, &query);
|
|
assert_eq!(
|
|
limbo, sqlite,
|
|
"query: {}, limbo: {:?}, sqlite: {:?}",
|
|
query, limbo, sqlite
|
|
);
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
pub fn table_logical_expression_fuzz_ex1() {
|
|
let _ = env_logger::try_init();
|
|
|
|
for queries in [
|
|
[
|
|
"CREATE TABLE t(x)",
|
|
"INSERT INTO t VALUES (10)",
|
|
"SELECT * FROM t WHERE x = 1 AND 1 OR 0",
|
|
],
|
|
[
|
|
"CREATE TABLE t(x)",
|
|
"INSERT INTO t VALUES (-3258184727)",
|
|
"SELECT * FROM t",
|
|
],
|
|
] {
|
|
let db = TempDatabase::new_empty();
|
|
let limbo_conn = db.connect_limbo();
|
|
let sqlite_conn = rusqlite::Connection::open_in_memory().unwrap();
|
|
for query in queries.iter() {
|
|
let limbo = limbo_exec_rows(&db, &limbo_conn, query);
|
|
let sqlite = sqlite_exec_rows(&sqlite_conn, query);
|
|
assert_eq!(
|
|
limbo, sqlite,
|
|
"queries: {:?}, query: {}, limbo: {:?}, sqlite: {:?}",
|
|
queries, query, limbo, sqlite
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
pub fn table_logical_expression_fuzz_run() {
|
|
let _ = env_logger::try_init();
|
|
let g = GrammarGenerator::new();
|
|
let (expr, expr_builder) = g.create_handle();
|
|
let (value, value_builder) = g.create_handle();
|
|
let (cmp_op, cmp_op_builder) = g.create_handle();
|
|
let (bin_op, bin_op_builder) = g.create_handle();
|
|
let (in_op, in_op_builder) = g.create_handle();
|
|
let (paren, paren_builder) = g.create_handle();
|
|
|
|
let number = g
|
|
.create()
|
|
.choice()
|
|
.option_symbol(rand_int(-0xff..0x100))
|
|
.option_symbol(rand_int(-0xffff..0x10000))
|
|
.option_symbol(rand_int(-0xffffff..0x1000000))
|
|
.option_symbol(rand_int(-0xffffffff..0x100000000))
|
|
.option_symbol(rand_int(-0xffffffffffff..0x1000000000000))
|
|
.build();
|
|
value_builder
|
|
.choice()
|
|
.option(
|
|
g.create()
|
|
.concat(" ")
|
|
.push_str("(")
|
|
.push(value)
|
|
.push_str(")")
|
|
.build(),
|
|
)
|
|
.option(number)
|
|
.options_str(["x", "y", "z"])
|
|
.option(
|
|
g.create()
|
|
.concat(" ")
|
|
.push_str("(")
|
|
.push(value)
|
|
.push(g.create().choice().options_str(["+", "-"]).build())
|
|
.push(value)
|
|
.push_str(")")
|
|
.build(),
|
|
)
|
|
.build();
|
|
|
|
paren_builder
|
|
.concat("")
|
|
.push_str("(")
|
|
.push(expr)
|
|
.push_str(")")
|
|
.build();
|
|
|
|
cmp_op_builder
|
|
.concat(" ")
|
|
.push(value)
|
|
.push(
|
|
g.create()
|
|
.choice()
|
|
.options_str(["=", "<>", ">", "<", ">=", "<=", "IS", "IS NOT"])
|
|
.build(),
|
|
)
|
|
.push(value)
|
|
.build();
|
|
|
|
bin_op_builder
|
|
.concat(" ")
|
|
.push(expr)
|
|
.push(g.create().choice().options_str(["AND", "OR"]).build())
|
|
.push(expr)
|
|
.build();
|
|
|
|
in_op_builder
|
|
.concat(" ")
|
|
.push(value)
|
|
.push(g.create().choice().options_str(["IN", "NOT IN"]).build())
|
|
.push_str("(")
|
|
.push(g.create().concat("").push(value).repeat(1..5, ", ").build())
|
|
.push_str(")")
|
|
.build();
|
|
|
|
expr_builder
|
|
.choice()
|
|
.options_str(["1", "0"])
|
|
.option_w(paren, 10.0)
|
|
.option_w(cmp_op, 10.0)
|
|
.option_w(bin_op, 10.0)
|
|
.option_w(in_op, 10.0)
|
|
.build();
|
|
|
|
let db = TempDatabase::new_empty();
|
|
let limbo_conn = db.connect_limbo();
|
|
let sqlite_conn = rusqlite::Connection::open_in_memory().unwrap();
|
|
assert_eq!(
|
|
limbo_exec_rows(&db, &limbo_conn, "CREATE TABLE t(x, y, z)"),
|
|
sqlite_exec_rows(&sqlite_conn, "CREATE TABLE t(x, y, z)")
|
|
);
|
|
let (mut rng, seed) = rng_from_time();
|
|
log::info!("seed: {}", seed);
|
|
|
|
for _ in 0..100 {
|
|
let (x, y, z) = (
|
|
g.generate(&mut rng, number, 1),
|
|
g.generate(&mut rng, number, 1),
|
|
g.generate(&mut rng, number, 1),
|
|
);
|
|
let query = format!("INSERT INTO t VALUES ({}, {}, {})", x, y, z);
|
|
log::info!("insert: {}", query);
|
|
assert_eq!(
|
|
limbo_exec_rows(&db, &limbo_conn, &query),
|
|
sqlite_exec_rows(&sqlite_conn, &query)
|
|
);
|
|
}
|
|
|
|
let sql = g
|
|
.create()
|
|
.concat(" ")
|
|
.push_str("SELECT * FROM t WHERE ")
|
|
.push(expr)
|
|
.build();
|
|
|
|
for _ in 0..128 {
|
|
let query = g.generate(&mut rng, sql, 50);
|
|
log::info!("query: {}", query);
|
|
let limbo = limbo_exec_rows(&db, &limbo_conn, &query);
|
|
let sqlite = sqlite_exec_rows(&sqlite_conn, &query);
|
|
assert_eq!(
|
|
limbo, sqlite,
|
|
"query: {}, limbo: {:?}, sqlite: {:?}",
|
|
query, limbo, sqlite
|
|
);
|
|
}
|
|
}
|
|
}
|