260 lines
8.1 KiB
Rust
260 lines
8.1 KiB
Rust
use crate::ctx::Context;
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use crate::dbs::Options;
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use crate::dbs::Transaction;
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use crate::err::Error;
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use crate::sql::part::Next;
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use crate::sql::part::Part;
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use crate::sql::value::Value;
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use async_recursion::async_recursion;
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use futures::future::try_join_all;
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impl Value {
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#[cfg_attr(feature = "parallel", async_recursion)]
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#[cfg_attr(not(feature = "parallel"), async_recursion(?Send))]
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pub async fn set(
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&mut self,
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ctx: &Context<'_>,
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opt: &Options,
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txn: &Transaction,
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path: &[Part],
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val: Value,
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) -> Result<(), Error> {
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match path.first() {
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// Get the current path part
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Some(p) => match self {
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// Current path part is an object
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Value::Object(v) => match p {
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Part::Thing(t) => match v.get_mut(t.to_raw().as_str()) {
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Some(v) if v.is_some() => v.set(ctx, opt, txn, path.next(), val).await,
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_ => {
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let mut obj = Value::base();
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obj.set(ctx, opt, txn, path.next(), val).await?;
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v.insert(t.to_raw(), obj);
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Ok(())
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}
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},
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Part::Graph(g) => match v.get_mut(g.to_raw().as_str()) {
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Some(v) if v.is_some() => v.set(ctx, opt, txn, path.next(), val).await,
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_ => {
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let mut obj = Value::base();
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obj.set(ctx, opt, txn, path.next(), val).await?;
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v.insert(g.to_raw(), obj);
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Ok(())
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}
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},
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Part::Field(f) => match v.get_mut(f.to_raw().as_str()) {
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Some(v) if v.is_some() => v.set(ctx, opt, txn, path.next(), val).await,
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_ => {
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let mut obj = Value::base();
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obj.set(ctx, opt, txn, path.next(), val).await?;
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v.insert(f.to_raw(), obj);
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Ok(())
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}
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},
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_ => Ok(()),
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},
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// Current path part is an array
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Value::Array(v) => match p {
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Part::All => {
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let path = path.next();
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let futs = v.iter_mut().map(|v| v.set(ctx, opt, txn, path, val.clone()));
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try_join_all(futs).await?;
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Ok(())
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}
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Part::First => match v.first_mut() {
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Some(v) => v.set(ctx, opt, txn, path.next(), val).await,
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None => Ok(()),
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},
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Part::Last => match v.last_mut() {
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Some(v) => v.set(ctx, opt, txn, path.next(), val).await,
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None => Ok(()),
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},
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Part::Index(i) => match v.get_mut(i.to_usize()) {
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Some(v) => v.set(ctx, opt, txn, path.next(), val).await,
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None => Ok(()),
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},
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Part::Where(w) => {
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let path = path.next();
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for v in v.iter_mut() {
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if w.compute(ctx, opt, txn, Some(v)).await?.is_truthy() {
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v.set(ctx, opt, txn, path, val.clone()).await?;
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}
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}
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Ok(())
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}
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_ => {
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let futs = v.iter_mut().map(|v| v.set(ctx, opt, txn, path, val.clone()));
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try_join_all(futs).await?;
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Ok(())
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}
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},
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// Current path part is empty
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Value::Null => {
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*self = Value::base();
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self.set(ctx, opt, txn, path, val).await
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}
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// Current path part is empty
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Value::None => {
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*self = Value::base();
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self.set(ctx, opt, txn, path, val).await
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}
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// Ignore everything else
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_ => Ok(()),
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},
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// No more parts so set the value
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None => {
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*self = val;
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Ok(())
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}
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}
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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use crate::dbs::test::mock;
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use crate::sql::idiom::Idiom;
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use crate::sql::test::Parse;
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#[tokio::test]
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async fn set_none() {
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let (ctx, opt, txn) = mock().await;
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let idi = Idiom::default();
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let mut val = Value::parse("{ test: { other: null, something: 123 } }");
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let res = Value::parse("999");
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val.set(&ctx, &opt, &txn, &idi, Value::from(999)).await.unwrap();
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assert_eq!(res, val);
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}
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#[tokio::test]
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async fn set_empty() {
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let (ctx, opt, txn) = mock().await;
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let idi = Idiom::parse("test");
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let mut val = Value::None;
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let res = Value::parse("{ test: 999 }");
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val.set(&ctx, &opt, &txn, &idi, Value::from(999)).await.unwrap();
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assert_eq!(res, val);
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}
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#[tokio::test]
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async fn set_blank() {
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let (ctx, opt, txn) = mock().await;
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let idi = Idiom::parse("test.something");
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let mut val = Value::None;
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let res = Value::parse("{ test: { something: 999 } }");
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val.set(&ctx, &opt, &txn, &idi, Value::from(999)).await.unwrap();
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assert_eq!(res, val);
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}
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#[tokio::test]
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async fn set_reset() {
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let (ctx, opt, txn) = mock().await;
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let idi = Idiom::parse("test");
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let mut val = Value::parse("{ test: { other: null, something: 123 } }");
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let res = Value::parse("{ test: 999 }");
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val.set(&ctx, &opt, &txn, &idi, Value::from(999)).await.unwrap();
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assert_eq!(res, val);
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}
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#[tokio::test]
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async fn set_basic() {
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let (ctx, opt, txn) = mock().await;
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let idi = Idiom::parse("test.something");
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let mut val = Value::parse("{ test: { other: null, something: 123 } }");
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let res = Value::parse("{ test: { other: null, something: 999 } }");
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val.set(&ctx, &opt, &txn, &idi, Value::from(999)).await.unwrap();
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assert_eq!(res, val);
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}
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#[tokio::test]
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async fn set_allow() {
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let (ctx, opt, txn) = mock().await;
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let idi = Idiom::parse("test.something.allow");
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let mut val = Value::parse("{ test: { other: null } }");
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let res = Value::parse("{ test: { other: null, something: { allow: 999 } } }");
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val.set(&ctx, &opt, &txn, &idi, Value::from(999)).await.unwrap();
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assert_eq!(res, val);
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}
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#[tokio::test]
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async fn set_wrong() {
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let (ctx, opt, txn) = mock().await;
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let idi = Idiom::parse("test.something.wrong");
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let mut val = Value::parse("{ test: { other: null, something: 123 } }");
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let res = Value::parse("{ test: { other: null, something: 123 } }");
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val.set(&ctx, &opt, &txn, &idi, Value::from(999)).await.unwrap();
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assert_eq!(res, val);
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}
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#[tokio::test]
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async fn set_other() {
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let (ctx, opt, txn) = mock().await;
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let idi = Idiom::parse("test.other.something");
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let mut val = Value::parse("{ test: { other: null, something: 123 } }");
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let res = Value::parse("{ test: { other: { something: 999 }, something: 123 } }");
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val.set(&ctx, &opt, &txn, &idi, Value::from(999)).await.unwrap();
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assert_eq!(res, val);
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}
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#[tokio::test]
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async fn set_array() {
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let (ctx, opt, txn) = mock().await;
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let idi = Idiom::parse("test.something[1]");
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let mut val = Value::parse("{ test: { something: [123, 456, 789] } }");
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let res = Value::parse("{ test: { something: [123, 999, 789] } }");
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val.set(&ctx, &opt, &txn, &idi, Value::from(999)).await.unwrap();
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assert_eq!(res, val);
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}
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#[tokio::test]
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async fn set_array_field() {
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let (ctx, opt, txn) = mock().await;
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let idi = Idiom::parse("test.something[1].age");
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let mut val = Value::parse("{ test: { something: [{ age: 34 }, { age: 36 }] } }");
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let res = Value::parse("{ test: { something: [{ age: 34 }, { age: 21 }] } }");
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val.set(&ctx, &opt, &txn, &idi, Value::from(21)).await.unwrap();
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assert_eq!(res, val);
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}
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#[tokio::test]
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async fn set_array_fields() {
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let (ctx, opt, txn) = mock().await;
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let idi = Idiom::parse("test.something[*].age");
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let mut val = Value::parse("{ test: { something: [{ age: 34 }, { age: 36 }] } }");
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let res = Value::parse("{ test: { something: [{ age: 21 }, { age: 21 }] } }");
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val.set(&ctx, &opt, &txn, &idi, Value::from(21)).await.unwrap();
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assert_eq!(res, val);
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}
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#[tokio::test]
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async fn set_array_fields_flat() {
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let (ctx, opt, txn) = mock().await;
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let idi = Idiom::parse("test.something.age");
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let mut val = Value::parse("{ test: { something: [{ age: 34 }, { age: 36 }] } }");
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let res = Value::parse("{ test: { something: [{ age: 21 }, { age: 21 }] } }");
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val.set(&ctx, &opt, &txn, &idi, Value::from(21)).await.unwrap();
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assert_eq!(res, val);
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}
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#[tokio::test]
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async fn set_array_where_field() {
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let (ctx, opt, txn) = mock().await;
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let idi = Idiom::parse("test.something[WHERE age > 35].age");
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let mut val = Value::parse("{ test: { something: [{ age: 34 }, { age: 36 }] } }");
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let res = Value::parse("{ test: { something: [{ age: 34 }, { age: 21 }] } }");
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val.set(&ctx, &opt, &txn, &idi, Value::from(21)).await.unwrap();
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assert_eq!(res, val);
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}
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#[tokio::test]
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async fn set_array_where_fields() {
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let (ctx, opt, txn) = mock().await;
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let idi = Idiom::parse("test.something[WHERE age > 35]");
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let mut val = Value::parse("{ test: { something: [{ age: 34 }, { age: 36 }] } }");
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let res = Value::parse("{ test: { something: [{ age: 34 }, 21] } }");
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val.set(&ctx, &opt, &txn, &idi, Value::from(21)).await.unwrap();
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assert_eq!(res, val);
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}
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}
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