Files
greptimedb/tests-fuzz/src/generator.rs
Weny Xu b1b76fde0b test(fuzz): repartition validation and add dedicated CI GC profile (#7703)
* test(fuzz): add concurrent write loop and partition-bound value generation for repartition validation

Signed-off-by: WenyXu <wenymedia@gmail.com>

* ci: run repartition fuzz target with dedicated local-wal GC config

Signed-off-by: WenyXu <wenymedia@gmail.com>

* chore: fix typos

Signed-off-by: WenyXu <wenymedia@gmail.com>

* chore: apply suggestions

Signed-off-by: WenyXu <wenymedia@gmail.com>

* chore: fix typo

Signed-off-by: WenyXu <wenymedia@gmail.com>

* count distinct timestamp value

Signed-off-by: WenyXu <wenymedia@gmail.com>

* chore: apply suggestions

Signed-off-by: WenyXu <wenymedia@gmail.com>

---------

Signed-off-by: WenyXu <wenymedia@gmail.com>
2026-03-03 13:30:34 +00:00

83 lines
2.7 KiB
Rust

// Copyright 2023 Greptime Team
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
pub mod alter_expr;
pub mod create_expr;
pub mod insert_expr;
pub mod repartition_expr;
pub mod select_expr;
use std::fmt;
use datatypes::data_type::ConcreteDataType;
use datatypes::types::TimestampType;
use datatypes::value::Value;
use rand::Rng;
use crate::error::Error;
use crate::ir::create_expr::ColumnOption;
use crate::ir::{AlterTableExpr, Column, CreateTableExpr, Ident, RowValue};
pub type CreateTableExprGenerator<R> =
Box<dyn Generator<CreateTableExpr, R, Error = Error> + Sync + Send>;
pub type AlterTableExprGenerator<R> =
Box<dyn Generator<AlterTableExpr, R, Error = Error> + Sync + Send>;
pub type ColumnOptionGenerator<R> = Box<dyn Fn(&mut R, &ConcreteDataType) -> Vec<ColumnOption>>;
pub type ConcreteDataTypeGenerator<R> = Box<dyn Random<ConcreteDataType, R>>;
pub type ValueGenerator<R> =
Box<dyn Fn(&mut R, &ConcreteDataType, Option<&dyn Random<Ident, R>>) -> Value>;
pub type TsValueGenerator<R> = Box<dyn Fn(&mut R, TimestampType) -> Value>;
pub type ValueOverride<R> = Box<dyn Fn(&Column, &mut R) -> Option<RowValue>>;
pub trait Generator<T, R: Rng> {
type Error: Sync + Send + fmt::Debug;
fn generate(&self, rng: &mut R) -> Result<T, Self::Error>;
}
pub trait Random<T, R: Rng> {
/// Generates a random element.
fn generate(&self, rng: &mut R) -> T {
self.choose(rng, 1).remove(0)
}
/// Uniformly sample `amount` distinct elements.
fn choose(&self, rng: &mut R, amount: usize) -> Vec<T>;
}
#[macro_export]
macro_rules! impl_random {
($type: ident, $value:ident, $values: ident) => {
impl<R: Rng> Random<$type, R> for $value {
fn choose(&self, rng: &mut R, amount: usize) -> Vec<$type> {
// Collects the elements in deterministic order first.
let mut result = std::collections::BTreeSet::new();
while result.len() != amount {
result.insert($values.choose(rng).unwrap().clone());
}
let mut result = result.into_iter().map(Into::into).collect::<Vec<_>>();
// Shuffles the result slice.
result.shuffle(rng);
result
}
}
};
}