164 lines
5.1 KiB
Rust
164 lines
5.1 KiB
Rust
use crate::{Error, QueryError, Response};
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use itertools::Itertools;
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use serde::ser::{SerializeSeq, SerializeStruct};
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use serde::{Serialize, Serializer};
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impl Serialize for Response {
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fn serialize<S: Serializer>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error> {
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match &self.error {
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None => {
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let mut s = serializer
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.serialize_struct("Response", if self.extensions.is_some() { 2 } else { 1 })?;
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s.serialize_field("data", &self.data)?;
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if let Some(extensions) = &self.extensions {
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s.serialize_field("extensions", extensions)?;
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}
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s.end()
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}
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Some(err) => {
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let mut s = serializer.serialize_struct("Response", 1)?;
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s.serialize_field("errors", err)?;
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s.end()
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}
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}
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}
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}
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impl Serialize for Error {
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fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
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where
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S: Serializer,
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{
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match self {
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Error::Parse(err) => {
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let mut seq = serializer.serialize_seq(Some(1))?;
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seq.serialize_element(&serde_json::json! ({
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"message": err.message,
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"locations": [{"line": err.pos.line, "column": err.pos.column}]
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}))?;
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seq.end()
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}
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Error::Query { pos, path, err } => {
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let mut seq = serializer.serialize_seq(Some(1))?;
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if let QueryError::FieldError {
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err,
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extended_error,
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} = err
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{
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let mut map = serde_json::Map::new();
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map.insert("message".to_string(), err.to_string().into());
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map.insert(
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"locations".to_string(),
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serde_json::json!([{"line": pos.line, "column": pos.column}]),
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);
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if let Some(path) = path {
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map.insert("path".to_string(), path.clone());
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}
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if let Some(obj @ serde_json::Value::Object(_)) = extended_error {
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map.insert("extensions".to_string(), obj.clone());
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}
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seq.serialize_element(&serde_json::Value::Object(map))?;
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} else {
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seq.serialize_element(&serde_json::json!({
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"message": err.to_string(),
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"locations": [{"line": pos.line, "column": pos.column}]
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}))?;
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}
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seq.end()
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}
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Error::Rule { errors } => {
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let mut seq = serializer.serialize_seq(Some(errors.len()))?;
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for error in errors {
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seq.serialize_element(&serde_json::json!({
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"message": error.message,
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"locations": error.locations.iter().map(|pos| serde_json::json!({"line": pos.line, "column": pos.column})).collect_vec(),
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}))?;
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}
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seq.end()
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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::Pos;
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use serde_json::json;
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#[test]
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fn test_response_data() {
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let resp = Response {
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data: json!({"ok": true}),
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extensions: None,
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cache_control: Default::default(),
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error: None,
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};
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assert_eq!(
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serde_json::to_value(resp).unwrap(),
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json! ({
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"data": {
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"ok": true,
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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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fn test_field_error_with_extension() {
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let resp = Response::from(Error::Query {
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pos: Pos {
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line: 10,
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column: 20,
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},
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path: None,
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err: QueryError::FieldError {
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err: "MyErrorMessage".to_owned(),
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extended_error: Some(json!({
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"code": "MY_TEST_CODE"
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})),
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},
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});
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assert_eq!(
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serde_json::to_value(resp).unwrap(),
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json!({
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"errors": [{
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"message":"MyErrorMessage",
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"extensions": {
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"code": "MY_TEST_CODE"
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},
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"locations": [{"line": 10, "column": 20}]
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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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fn test_response_error_with_pos() {
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let resp = Response::from(Error::Query {
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pos: Pos {
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line: 10,
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column: 20,
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},
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path: None,
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err: QueryError::NotSupported,
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});
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assert_eq!(
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serde_json::to_value(resp).unwrap(),
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json!({
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"errors": [{
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"message":"Not supported.",
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"locations": [
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{"line": 10, "column": 20}
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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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