surrealpatch/lib/src/sql/value/increment.rs
2023-04-24 21:51:35 +01:00

96 lines
2.8 KiB
Rust

use crate::ctx::Context;
use crate::dbs::Options;
use crate::dbs::Transaction;
use crate::err::Error;
use crate::sql::number::Number;
use crate::sql::part::Part;
use crate::sql::value::Value;
impl Value {
pub(crate) async fn increment(
&mut self,
ctx: &Context<'_>,
opt: &Options,
txn: &Transaction,
path: &[Part],
val: Value,
) -> Result<(), Error> {
match self.get(ctx, opt, txn, path).await? {
Value::Number(v) => match val {
Value::Number(x) => self.set(ctx, opt, txn, path, Value::from(v + x)).await,
_ => Ok(()),
},
Value::Array(v) => match val {
Value::Array(x) => self.set(ctx, opt, txn, path, Value::from(v + x)).await,
x => self.set(ctx, opt, txn, path, Value::from(v + x)).await,
},
Value::None => match val {
Value::Number(x) => {
self.set(ctx, opt, txn, path, Value::from(Number::from(0) + x)).await
}
Value::Array(x) => self.set(ctx, opt, txn, path, Value::from(x)).await,
x => self.set(ctx, opt, txn, path, Value::from(vec![x])).await,
},
_ => Ok(()),
}
}
}
#[cfg(test)]
mod tests {
use super::*;
use crate::dbs::test::mock;
use crate::sql::idiom::Idiom;
use crate::sql::test::Parse;
#[tokio::test]
async fn increment_none() {
let (ctx, opt, txn) = mock().await;
let idi = Idiom::parse("other");
let mut val = Value::parse("{ test: 100 }");
let res = Value::parse("{ test: 100, other: +10 }");
val.increment(&ctx, &opt, &txn, &idi, Value::from(10)).await.unwrap();
assert_eq!(res, val);
}
#[tokio::test]
async fn increment_number() {
let (ctx, opt, txn) = mock().await;
let idi = Idiom::parse("test");
let mut val = Value::parse("{ test: 100 }");
let res = Value::parse("{ test: 110 }");
val.increment(&ctx, &opt, &txn, &idi, Value::from(10)).await.unwrap();
assert_eq!(res, val);
}
#[tokio::test]
async fn increment_array_number() {
let (ctx, opt, txn) = mock().await;
let idi = Idiom::parse("test[1]");
let mut val = Value::parse("{ test: [100, 200, 300] }");
let res = Value::parse("{ test: [100, 210, 300] }");
val.increment(&ctx, &opt, &txn, &idi, Value::from(10)).await.unwrap();
assert_eq!(res, val);
}
#[tokio::test]
async fn increment_array_value() {
let (ctx, opt, txn) = mock().await;
let idi = Idiom::parse("test");
let mut val = Value::parse("{ test: [100, 200, 300] }");
let res = Value::parse("{ test: [100, 200, 300, 200] }");
val.increment(&ctx, &opt, &txn, &idi, Value::from(200)).await.unwrap();
assert_eq!(res, val);
}
#[tokio::test]
async fn increment_array_array() {
let (ctx, opt, txn) = mock().await;
let idi = Idiom::parse("test");
let mut val = Value::parse("{ test: [100, 200, 300] }");
let res = Value::parse("{ test: [100, 200, 300, 100, 300, 400, 500] }");
val.increment(&ctx, &opt, &txn, &idi, Value::parse("[100, 300, 400, 500]")).await.unwrap();
assert_eq!(res, val);
}
}