chore: rename ui-tests -> build-tests (#1460)

build-tests/Cargo.toml

@@ -0,0 +1,24 @@
+[package]
+name = "build-tests"
+version = "0.1.0"
+authors = ["Tokio Contributors <[email protected]>"]
+edition = "2018"
+publish = false
+
+[features]
+executor-without-current-thread = ["tokio-executor"]
+net-no-features = ["tokio-net"]
+net-with-tcp = ["tokio-net/tcp"]
+net-with-udp = ["tokio-net/udp"]
+tokio-no-features = ["tokio"]
+tokio-with-net = ["tokio/net"]
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+tokio-executor = { path = "../tokio-executor", optional = true }
+tokio-net = { path = "../tokio-net", optional = true }
+tokio = { path = "../tokio", optional = true, default-features = false }
+
+[dev-dependencies]
+trybuild = "1.0"

build-tests/README.md

@@ -0,0 +1,2 @@
+Tests the various combination of feature flags. This is broken out to a separate
+crate to work around limitations with cargo features.

build-tests/src/lib.rs

@@ -0,0 +1,8 @@
+#[cfg(feature = "tokio-executor")]
+pub use tokio_executor;
+
+#[cfg(feature = "tokio-net")]
+pub use tokio_net;
+
+#[cfg(feature = "tokio")]
+pub use tokio;

build-tests/tests/fail/executor_without_current_thread.rs

@@ -0,0 +1,3 @@
+use build_tests::tokio_executor::current_thread;
+
+fn main() {}

build-tests/tests/fail/executor_without_current_thread.stderr

@@ -0,0 +1,7 @@
+error[E0432]: unresolved import `build_tests::tokio_executor::current_thread`
+ --> $DIR/executor_without_current_thread.rs:1:5
+  |
+1 | use build_tests::tokio_executor::current_thread;
+  |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `current_thread` in `tokio_executor`
+
+For more information about this error, try `rustc --explain E0432`.

build-tests/tests/fail/net_without_tcp_missing_tcp.rs

@@ -0,0 +1,4 @@
+use build_tests::tokio_net::tcp;
+
+fn main() {}
+

build-tests/tests/fail/net_without_tcp_missing_tcp.stderr

@@ -0,0 +1,7 @@
+error[E0432]: unresolved import `build_tests::tokio_net::tcp`
+ --> $DIR/net_without_tcp_missing_tcp.rs:1:5
+  |
+1 | use build_tests::tokio_net::tcp;
+  |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `tcp` in `tokio_net`
+
+For more information about this error, try `rustc --explain E0432`.

build-tests/tests/fail/net_without_udp_missing_udp.rs

@@ -0,0 +1,4 @@
+use build_tests::tokio_net::udp;
+
+fn main() {}
+

build-tests/tests/fail/net_without_udp_missing_udp.stderr

@@ -0,0 +1,7 @@
+error[E0432]: unresolved import `build_tests::tokio_net::udp`
+ --> $DIR/net_without_udp_missing_udp.rs:1:5
+  |
+1 | use build_tests::tokio_net::udp;
+  |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^ no `udp` in `tokio_net`
+
+For more information about this error, try `rustc --explain E0432`.

build-tests/tests/fail/tokio_without_net_missing_net.rs

@@ -0,0 +1,3 @@
+use build_tests::tokio::net;
+
+fn main() {}

build-tests/tests/fail/tokio_without_net_missing_net.stderr

@@ -0,0 +1,7 @@
+error[E0432]: unresolved import `build_tests::tokio::net`
+ --> $DIR/tokio_without_net_missing_net.rs:1:5
+  |
+1 | use build_tests::tokio::net;
+  |     ^^^^^^^^^^^^^^^^^^^^^^^ no `net` in `tokio`
+
+For more information about this error, try `rustc --explain E0432`.

build-tests/tests/features.rs

@@ -0,0 +1,45 @@
+#![allow(unused_imports)]
+
+#[test]
+#[cfg(feature = "tokio-net")]
+fn net_default() {
+    use build_tests::tokio_net::driver::{set_default, Handle, Reactor, Registration};
+    use build_tests::tokio_net::util::PollEvented;
+}
+
+#[test]
+#[cfg(feature = "net-with-tcp")]
+fn net_with_tcp() {
+    use build_tests::tokio_net::tcp;
+}
+
+#[test]
+#[cfg(feature = "net-with-udp")]
+fn net_with_udp() {
+    use build_tests::tokio_net::udp;
+}
+
+#[test]
+#[cfg(feature = "tokio-with-net")]
+fn tokio_with_net() {
+    // net is present
+    use build_tests::tokio::net;
+}
+#[test]
+fn compile_fail() {
+    let t = trybuild::TestCases::new();
+
+    #[cfg(feature = "executor-without-current-thread")]
+    t.compile_fail("tests/fail/executor_without_current_thread.rs");
+
+    #[cfg(feature = "net-no-features")]
+    {
+        t.compile_fail("tests/fail/net_without_tcp_missing_tcp.rs");
+        t.compile_fail("tests/fail/net_without_udp_missing_udp.rs");
+    }
+
+    #[cfg(feature = "tokio-no-features")]
+    t.compile_fail("tests/fail/tokio_without_net_missing_net.rs");
+
+    drop(t);
+}