38 lines
1.5 KiB
Rust
38 lines
1.5 KiB
Rust
use crate::validation::context::ValidatorContext;
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use crate::validation::utils::is_valid_input_value;
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use crate::validation::visitor::Visitor;
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use graphql_parser::query::{Type, VariableDefinition};
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pub struct DefaultValuesOfCorrectType;
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impl<'a> Visitor<'a> for DefaultValuesOfCorrectType {
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fn enter_variable_definition(
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&mut self,
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ctx: &mut ValidatorContext<'a>,
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variable_definition: &'a VariableDefinition,
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) {
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if let Some(value) = &variable_definition.default_value {
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if let Type::NonNullType(_) = variable_definition.var_type {
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ctx.report_error(vec![variable_definition.position],format!(
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"Argument \"{}\" has type \"{}\" and is not nullable, so it't can't have a default value",
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variable_definition.name, variable_definition.var_type,
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));
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} else {
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if !is_valid_input_value(
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ctx.registry,
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&variable_definition.var_type.to_string(),
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value,
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) {
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ctx.report_error(
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vec![variable_definition.position],
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format!(
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"Invalid default value for argument \"{}\", expected type \"{}\"",
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variable_definition.name, variable_definition.var_type
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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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}
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