-
Notifications
You must be signed in to change notification settings - Fork 237
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
feat: throw error in all resolvers for missing arguments (#952)
- Loading branch information
1 parent
728a8ef
commit 56da067
Showing
7 changed files
with
231 additions
and
130 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,172 @@ | ||
| use super::{is_scalar, to_type, FieldDefinition, Type}; | ||
| use crate::config::{self, Config}; | ||
| use crate::lambda::{Expression, Unsafe}; | ||
| use crate::valid::Valid; | ||
|
|
||
| struct MustachePartsValidator<'a> { | ||
| type_of: &'a config::Type, | ||
| config: &'a Config, | ||
| field: &'a FieldDefinition, | ||
| } | ||
|
|
||
| impl<'a> MustachePartsValidator<'a> { | ||
| fn new(type_of: &'a config::Type, config: &'a Config, field: &'a FieldDefinition) -> Self { | ||
| Self { type_of, config, field } | ||
| } | ||
|
|
||
| fn validate_type(&self, parts: &[String], is_query: bool) -> Result<(), String> { | ||
| let mut len = parts.len(); | ||
| let mut type_of = self.type_of; | ||
| for item in parts { | ||
| let field = type_of.fields.get(item).ok_or_else(|| { | ||
| format!( | ||
| "no value '{}' found", | ||
| parts[0..parts.len() - len + 1].join(".").as_str() | ||
| ) | ||
| })?; | ||
| let val_type = to_type(field, None); | ||
|
|
||
| if !is_query && val_type.is_nullable() { | ||
| return Err(format!("value '{}' is a nullable type", item.as_str())); | ||
| } else if len == 1 && !is_scalar(val_type.name()) { | ||
| return Err(format!("value '{}' is not of a scalar type", item.as_str())); | ||
| } else if len == 1 { | ||
| break; | ||
| } | ||
|
|
||
| type_of = self | ||
| .config | ||
| .find_type(&field.type_of) | ||
| .ok_or_else(|| format!("no type '{}' found", parts.join(".").as_str()))?; | ||
|
|
||
| len -= 1; | ||
| } | ||
|
|
||
| Ok(()) | ||
| } | ||
|
|
||
| fn validate(&self, parts: &[String], is_query: bool) -> Valid<(), String> { | ||
| let config = self.config; | ||
| let args = &self.field.args; | ||
|
|
||
| if parts.len() < 2 { | ||
| return Valid::fail("too few parts in template".to_string()); | ||
| } | ||
|
|
||
| let head = parts[0].as_str(); | ||
| let tail = parts[1].as_str(); | ||
|
|
||
| match head { | ||
| "value" => { | ||
| // all items on parts except the first one | ||
| let tail = &parts[1..]; | ||
|
|
||
| if let Err(e) = self.validate_type(tail, is_query) { | ||
| return Valid::fail(e); | ||
| } | ||
| } | ||
| "args" => { | ||
| // XXX this is a linear search but it's cost is less than that of | ||
| // constructing a HashMap since we'd have 3-4 arguments at max in | ||
| // most cases | ||
| if let Some(arg) = args.iter().find(|arg| arg.name == tail) { | ||
| if let Type::ListType { .. } = arg.of_type { | ||
| return Valid::fail(format!("can't use list type '{tail}' here")); | ||
| } | ||
|
|
||
| // we can use non-scalar types in args | ||
| if !is_query && arg.default_value.is_none() && arg.of_type.is_nullable() { | ||
| return Valid::fail(format!("argument '{tail}' is a nullable type")); | ||
| } | ||
| } else { | ||
| return Valid::fail(format!("no argument '{tail}' found")); | ||
| } | ||
| } | ||
| "vars" => { | ||
| if config.server.vars.get(tail).is_none() { | ||
| return Valid::fail(format!("var '{tail}' is not set in the server config")); | ||
| } | ||
| } | ||
| "headers" | "env" => { | ||
| // "headers" and "env" refers to values known at runtime, which we can't | ||
| // validate here | ||
| } | ||
| _ => { | ||
| return Valid::fail(format!("unknown template directive '{head}'")); | ||
| } | ||
| } | ||
|
|
||
| Valid::succeed(()) | ||
| } | ||
| } | ||
|
|
||
| impl FieldDefinition { | ||
| pub fn validate_field(&self, type_of: &config::Type, config: &Config) -> Valid<(), String> { | ||
| // XXX we could use `Mustache`'s `render` method with a mock | ||
| // struct implementing the `PathString` trait encapsulating `validation_map` | ||
| // but `render` simply falls back to the default value for a given | ||
| // type if it doesn't exist, so we wouldn't be able to get enough | ||
| // context from that method alone | ||
| // So we must duplicate some of that logic here :( | ||
| let parts_validator = MustachePartsValidator::new(type_of, config, self); | ||
|
|
||
| match &self.resolver { | ||
| Some(Expression::Unsafe(Unsafe::Http { req_template, .. })) => { | ||
| Valid::from_iter(req_template.root_url.expression_segments(), |parts| { | ||
| parts_validator.validate(parts, false).trace("path") | ||
| }) | ||
| .and(Valid::from_iter(req_template.query.clone(), |query| { | ||
| let (_, mustache) = query; | ||
|
|
||
| Valid::from_iter(mustache.expression_segments(), |parts| { | ||
| parts_validator.validate(parts, true).trace("query") | ||
| }) | ||
| })) | ||
| .unit() | ||
| } | ||
| Some(Expression::Unsafe(Unsafe::GraphQLEndpoint { req_template, .. })) => { | ||
| Valid::from_iter(req_template.headers.clone(), |(_, mustache)| { | ||
| Valid::from_iter(mustache.expression_segments(), |parts| { | ||
| parts_validator.validate(parts, true).trace("headers") | ||
| }) | ||
| }) | ||
| .and_then(|_| { | ||
| if let Some(args) = &req_template.operation_arguments { | ||
| Valid::from_iter(args, |(_, mustache)| { | ||
| Valid::from_iter(mustache.expression_segments(), |parts| { | ||
| parts_validator.validate(parts, true).trace("args") | ||
| }) | ||
| }) | ||
| } else { | ||
| Valid::succeed(Default::default()) | ||
| } | ||
| }) | ||
| .unit() | ||
| } | ||
| Some(Expression::Unsafe(Unsafe::Grpc { req_template, .. })) => { | ||
| Valid::from_iter(req_template.url.expression_segments(), |parts| { | ||
| parts_validator.validate(parts, false).trace("path") | ||
| }) | ||
| .and( | ||
| Valid::from_iter(req_template.headers.clone(), |(_, mustache)| { | ||
| Valid::from_iter(mustache.expression_segments(), |parts| { | ||
| parts_validator.validate(parts, true).trace("headers") | ||
| }) | ||
| }) | ||
| .unit(), | ||
| ) | ||
| .and_then(|_| { | ||
| if let Some(body) = &req_template.body { | ||
| Valid::from_iter(body.expression_segments(), |parts| { | ||
| parts_validator.validate(parts, true).trace("body") | ||
| }) | ||
| } else { | ||
| Valid::succeed(Default::default()) | ||
| } | ||
| }) | ||
| .unit() | ||
| } | ||
| _ => Valid::succeed(()), | ||
| } | ||
| } | ||
| } |
Oops, something went wrong.
56da067There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
Running 30s test @ http://localhost:8000/graphql
4 threads and 100 connections
474208 requests in 30.01s, 2.38GB read
Requests/sec: 15799.80
Transfer/sec: 81.10MB