Merge pull request #65 from tomhoule/release-0.2.0

Improve docs, examples, error struct and release 0.2

Author: tomhoule

CHANGELOG.md

@@ -7,10 +7,13 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 
 ## Unreleased
 
+## [0.2.0] - 2018-07-22
+
 ### Added
 
 - Copy documentation from the GraphQL schema to the generated types (including their fields) as normal Rust documentation. Documentation will show up in the generated docs as well as IDEs that support expanding derive macros (which does not include the RLS yet).
 - Implement and test deserializing subscription responses. We also try to provide helpful error messages when a subscription query is not valid (i.e. when it has more than one top-level field).
+- Support the [new top-level errors shape from the June 2018 spec](https://github.com/facebook/graphql/blob/master/spec/Section%207%20--%20Response.md), except for the `extensions` field (see issue #64).
 
 ### Fixed
 

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "graphql_client"
-version = "0.1.0"
+version = "0.2.0"
 authors = ["Tom Houlé <[email protected]>"]
 description = "Typed GraphQL requests and responses"
 repository = "https://github.com/tomhoule/graphql-client"
@@ -11,7 +11,7 @@ categories = ["network-programming", "web-programming", "wasm"]
 [dependencies]
 failure = "0.1"
 quote = "0.3"
-graphql_query_derive = {path = "./graphql_query_derive", version = "0.1.0"}
+graphql_query_derive = {path = "./graphql_query_derive", version = "0.2.0"}
 graphql-parser = "0.2.0"
 serde = "1.0"
 serde_derive = "1.0"

README.md

@@ -1,7 +1,7 @@
 # graphql_client
 
 [![Build Status](https://travis-ci.org/tomhoule/graphql-client.svg?branch=master)](https://travis-ci.org/tomhoule/graphql-client)
-[![docs](https://docs.rs/graphql_client/badge.svg)](https://docs.rs/graphql_client/0.1.0/graphql_client/)
+[![docs](https://docs.rs/graphql_client/badge.svg)](https://docs.rs/graphql_client/0.2.0/graphql_client/)
 [![crates.io](https://img.shields.io/crates/v/graphql_client.svg)](https://crates.io/crates/graphql_client)
 
 A typed GraphQL client library for Rust.
@@ -11,6 +11,8 @@ A typed GraphQL client library for Rust.
 - Precise types for query variables and responses
 - Supports GraphQL fragments, objects, unions, inputs, enums, custom scalars and input objects
 - Works in the browser (WebAssembly)
+- Subscriptions support (serialization-deserialization only at the moment)
+- Copies documentation from the GraphQL schema to the generated Rust code
 
 ## Getting started
 

examples/call_from_js/Cargo.toml

@@ -10,8 +10,8 @@ lto = "thin"
 crate-type = ["cdylib"]
 
 [dependencies]
-graphql_client = { path = "../..", version = "0.1.0" }
-wasm-bindgen = "0.2.11"
+graphql_client = { path = "../..", version = "0.2.0" }
+wasm-bindgen = "0.2.12"
 serde = "1.0.67"
 serde_derive = "1.0.67"
 serde_json = "1.0.22"

examples/call_from_js/src/lib.rs

@@ -1,4 +1,4 @@
-#![feature(proc_macro, wasm_custom_section, wasm_import_module)]
+#![feature(wasm_custom_section, wasm_import_module, use_extern_macros)]
 
 #[macro_use]
 extern crate graphql_client;
@@ -18,7 +18,10 @@ use wasm_bindgen::prelude::*;
 use graphql_client::*;
 
 #[derive(GraphQLQuery)]
-#[graphql(schema_path = "schema.json", query_path = "src/puppy_smiles.graphql")]
+#[graphql(
+    schema_path = "schema.json",
+    query_path = "src/puppy_smiles.graphql"
+)]
 struct PuppySmiles;
 
 #[wasm_bindgen]

examples/github/Cargo.toml

@@ -14,3 +14,5 @@ prettytable-rs = "0.7.0"
 structopt = "0.2.10"
 dotenv = "0.13.0"
 envy = "0.3.2"
+log = "0.4.3"
+env_logger = "0.5.10"

examples/github/src/main.rs

@@ -4,6 +4,9 @@ extern crate envy;
 extern crate failure;
 #[macro_use]
 extern crate graphql_client;
+#[macro_use]
+extern crate log;
+extern crate env_logger;
 extern crate reqwest;
 extern crate serde;
 extern crate serde_json;
@@ -45,6 +48,7 @@ fn parse_repo_name(repo_name: &str) -> Result<(&str, &str), failure::Error> {
 
 fn main() -> Result<(), failure::Error> {
     dotenv::dotenv().ok();
+    env_logger::init();
 
     let config: Env = envy::from_env()?;
 
@@ -70,6 +74,16 @@ fn main() -> Result<(), failure::Error> {
         .send()?;
 
     let response_body: GraphQLResponse<query1::ResponseData> = res.json()?;
+    info!("{:?}", response_body);
+
+    if let Some(errors) = response_body.errors {
+        println!("there are errors:");
+
+        for error in &errors {
+            println!("{:?}", error);
+        }
+    }
+
     let response_data: query1::ResponseData = response_body.data.expect("missing response data");
 
     let stars: Option<i64> = response_data

graphql_client_cli/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "graphql_client_cli"
 description = "The CLI for graphql-client (WIP)"
-version = "0.1.0"
+version = "0.2.0"
 authors = ["Tom Houlé <[email protected]>"]
 license = "Apache-2.0 OR MIT"
 
@@ -12,7 +12,7 @@ path = "src/main.rs"
 [dependencies]
 failure = "0.1"
 reqwest = "0.8"
-graphql_client = { version = "0.1.0", path = ".." }
+graphql_client = { version = "0.2.0", path = ".." }
 structopt = "0.2"
 serde = "1.0"
 serde_derive = "1.0"

graphql_query_derive/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "graphql_query_derive"
-version = "0.1.0"
+version = "0.2.0"
 authors = ["Tom Houlé <[email protected]>"]
 description = "Utility crate for graphql_client"
 license = "Apache-2.0 OR MIT"
@@ -13,7 +13,7 @@ proc-macro = true
 failure = "0.1"
 quote = "^0.6"
 syn = "0.14"
-proc-macro2 = { version = "0.4" }
+proc-macro2 = { version = "0.4", features = [] }
 serde = "1.0"
 serde_derive = "1.0"
 serde_json = "1.0"

graphql_query_derive/src/lib.rs

@@ -24,7 +24,6 @@ mod inputs;
 mod interfaces;
 mod introspection_response;
 mod objects;
-mod operations;
 mod query;
 mod scalars;
 mod schema;

graphql_query_derive/src/operations.rs

@@ -1,11 +1,17 @@
 //! The top-level documentation resides on the [project README](https://github.com/tomhoule/graphql-client) at the moment.
+//!
+//! The main interface to this library is the custom derive that generates modules from a GraphQL query and schema.
 
 extern crate serde;
 #[macro_use]
 extern crate serde_derive;
 #[macro_use]
 extern crate graphql_query_derive;
 
+#[cfg(test)]
+#[macro_use]
+extern crate serde_json;
+
 #[doc(hidden)]
 pub use graphql_query_derive::*;
 
@@ -27,16 +33,95 @@ where
     pub query: &'static str,
 }
 
-#[derive(Debug, Serialize, Deserialize)]
+#[derive(Debug, Serialize, Deserialize, PartialEq)]
+pub struct Location {
+    line: i32,
+    column: i32,
+}
+
+#[derive(Debug, Serialize, Deserialize, PartialEq)]
+#[serde(untagged)]
+pub enum PathFragment {
+    Key(String),
+    Index(i32),
+}
+
+/// An element in the top-level `errors` array of a response body.
+///
+/// This tries to be as close to the spec as possible.
+///
+/// Spec: [https://github.com/facebook/graphql/blob/master/spec/Section%207%20--%20Response.md]
+#[derive(Debug, Serialize, Deserialize, PartialEq)]
 pub struct GraphQLError {
-    pub path: String,
+    pub message: String,
+    pub locations: Option<Vec<Location>>,
+    pub path: Option<Vec<PathFragment>>,
 }
 
 /// The generic shape taken by the responses of GraphQL APIs.
 ///
 /// This will generally be used with the `ResponseData` struct from a derived module.
+///
+/// Spec: [https://github.com/facebook/graphql/blob/master/spec/Section%207%20--%20Response.md]
 #[derive(Debug, Serialize, Deserialize)]
 pub struct GraphQLResponse<Data> {
     pub data: Option<Data>,
     pub errors: Option<Vec<GraphQLError>>,
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn graphql_error_works_with_just_message() {
+        let err = json!({
+            "message": "I accidentally your whole query"
+        });
+
+        let deserialized_error: GraphQLError = serde_json::from_value(err).unwrap();
+
+        assert_eq!(
+            deserialized_error,
+            GraphQLError {
+                message: "I accidentally your whole query".to_string(),
+                locations: None,
+                path: None,
+            }
+        )
+    }
+
+    #[test]
+    fn full_graphql_error_deserialization() {
+        let err = json!({
+            "message": "I accidentally your whole query",
+            "locations": [{ "line": 3, "column": 13}, {"line": 56, "column": 1}],
+            "path": ["home", "alone", 3, "rating"]
+        });
+
+        let deserialized_error: GraphQLError = serde_json::from_value(err).unwrap();
+
+        assert_eq!(
+            deserialized_error,
+            GraphQLError {
+                message: "I accidentally your whole query".to_string(),
+                locations: Some(vec![
+                    Location {
+                        line: 3,
+                        column: 13,
+                    },
+                    Location {
+                        line: 56,
+                        column: 1,
+                    },
+                ]),
+                path: Some(vec![
+                    PathFragment::Key("home".to_owned()),
+                    PathFragment::Key("alone".to_owned()),
+                    PathFragment::Index(3),
+                    PathFragment::Key("rating".to_owned()),
+                ]),
+            }
+        )
+    }
+}