Refactor integration test layout + add minimal 2018 edition test

* Add a new integration_tests subdirectory that holds integration tests
* Add a new, temporary (and really minimal) 2018 edition test crate

Cargo.toml

@@ -3,7 +3,8 @@
 members = [
   "juniper_codegen",
   "juniper",
-  "juniper_tests",
+  "integration_tests/juniper_tests",
+  "integration_tests/juniper_2018_edition_tests",
   "juniper_hyper",
   "juniper_iron",
   "juniper_rocket",

integration_tests/juniper_2018_edition_tests/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "juniper_2018_edition_tests"
+version = "0.1.0"
+authors = ["Christoph Herzog <chris@theduke.at>"]
+edition = "2018"
+
+[dependencies]
+juniper = { version = "0.11", path = "../../juniper" }

integration_tests/juniper_2018_edition_tests/Makefile.toml

@@ -0,0 +1,16 @@
+
+[tasks.build-verbose]
+condition = { rust_version = { min = "1.32.0" } }
+
+[tasks.build-verbose.windows]
+condition = { rust_version = { min = "1.32.0" } }
+
+[tasks.test-verbose]
+condition = { rust_version = { min = "1.32.0" } }
+
+[tasks.test-verbose.windows]
+condition = { rust_version = { min = "1.32.0" } }
+
+[tasks.ci-coverage-flow]
+disabled = true
+

integration_tests/juniper_2018_edition_tests/src/main.rs

@@ -0,0 +1,36 @@
+/// A VERY minimal test case that ensures that
+/// macros and custom derives work in 2018 edition crates.
+/// This can be removed once juniper is refactored to the 2018 edition.
+
+#[derive(juniper::GraphQLEnum, PartialEq, Eq, Clone, Copy, Debug)]
+enum TaskStatus {
+    Todo,
+    Done,
+    Closed,
+}
+
+#[derive(juniper::GraphQLObject, Clone, Debug)]
+struct Task {
+    pub id: i32,
+    pub status: TaskStatus,
+    pub title: String,
+    pub description: Option<String>,
+}
+
+#[derive(juniper::GraphQLInputObject, Clone, Debug)]
+struct TaskCreate {
+    pub title: String,
+    pub description: Option<String>,
+}
+
+struct Query;
+
+juniper::graphql_object!(Query: () |&self| {
+    field task(id: i32) -> Task {
+        unimplemented!()
+    }
+});
+
+
+fn main() {
+}

integration_tests/juniper_tests/Cargo.toml

@@ -4,7 +4,7 @@ version = "0.1.0"
 publish = false
 
 [dependencies]
-juniper = { version = "0.11.0", path = "../juniper" }
+juniper = { version = "0.11.0", path = "../../juniper" }
 serde_json = { version = "1" }
 
 [dev-dependencies]