87 lines
1.8 KiB
Rust
87 lines
1.8 KiB
Rust
use crate::{
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parser::types::FragmentSpread,
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validation::visitor::{Visitor, VisitorContext},
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Positioned,
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};
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#[derive(Default)]
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pub struct KnownFragmentNames;
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impl<'a> Visitor<'a> for KnownFragmentNames {
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fn enter_fragment_spread(
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&mut self,
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ctx: &mut VisitorContext<'a>,
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fragment_spread: &'a Positioned<FragmentSpread>,
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) {
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if !ctx.is_known_fragment(&fragment_spread.node.fragment_name.node) {
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ctx.report_error(
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vec![fragment_spread.pos],
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format!(
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r#"Unknown fragment: "{}""#,
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fragment_spread.node.fragment_name.node
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),
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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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pub fn factory() -> KnownFragmentNames {
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KnownFragmentNames::default()
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}
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#[test]
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fn known() {
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expect_passes_rule!(
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factory,
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r#"
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{
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human(id: 4) {
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...HumanFields1
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... on Human {
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...HumanFields2
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}
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... {
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name
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}
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}
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}
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fragment HumanFields1 on Human {
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name
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...HumanFields3
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}
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fragment HumanFields2 on Human {
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name
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}
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fragment HumanFields3 on Human {
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name
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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 unknown() {
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expect_fails_rule!(
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factory,
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r#"
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{
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human(id: 4) {
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...UnknownFragment1
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... on Human {
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...UnknownFragment2
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}
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}
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}
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fragment HumanFields on Human {
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name
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...UnknownFragment3
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}
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"#,
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);
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}
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}
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