82 lines
1.3 KiB
Rust
82 lines
1.3 KiB
Rust
use crate::err::Error;
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use crate::sql::value::Value;
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impl Value {
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pub(crate) fn merge(&mut self, val: Value) -> Result<(), Error> {
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if val.is_object() {
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for k in val.every(None, false, false).iter() {
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match val.pick(&k.0) {
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Value::None => self.cut(&k.0),
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v => self.put(&k.0, v),
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}
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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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#[cfg(test)]
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mod tests {
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use super::*;
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use crate::sql::test::Parse;
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#[tokio::test]
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async fn merge_none() {
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let mut res = Value::parse(
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"{
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name: {
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first: 'Tobie',
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last: 'Morgan Hitchcock',
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initials: 'TMH',
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},
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}",
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);
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let mrg = Value::None;
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let val = Value::parse(
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"{
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name: {
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first: 'Tobie',
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last: 'Morgan Hitchcock',
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initials: 'TMH',
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},
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}",
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);
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res.merge(mrg).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 merge_basic() {
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let mut res = Value::parse(
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"{
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name: {
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first: 'Tobie',
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last: 'Morgan Hitchcock',
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initials: 'TMH',
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},
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}",
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);
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let mrg = Value::parse(
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"{
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name: {
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title: 'Mr',
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initials: NONE,
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},
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tags: ['Rust', 'Golang', 'JavaScript'],
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}",
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);
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let val = Value::parse(
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"{
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name: {
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title: 'Mr',
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first: 'Tobie',
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last: 'Morgan Hitchcock',
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},
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tags: ['Rust', 'Golang', 'JavaScript'],
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}",
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);
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res.merge(mrg).unwrap();
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assert_eq!(res, val);
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}
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}
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