Migrate type_section_suffix test to wit-bindgen test (#1228)

This is a rust-specific test to put it in the `rust` folder and shuffle
around some definitions/things to modernize syntax (put all the WITs
into one file) and work around limitations of `wasm-compose` (no
top-level functions).

Author: alexcrichton

crates/test-rust-wasm/Cargo.toml

@@ -80,10 +80,6 @@ test = false
 name = "resource_borrow_simple"
 test = false
 
-[[bin]]
-name = "type_section_suffix"
-test = false
-
 [[bin]]
 name = "rust_xcrate"
 test = false

crates/test-rust-wasm/src/bin/type_section_suffix.rs

@@ -0,0 +1,41 @@
+include!(env!("BINDINGS"));
+
+// generate bindings once here
+mod a {
+    wit_bindgen::generate!({
+        world: "available-imports",
+        path: "./test.wit",
+        generate_all,
+    });
+}
+
+// generate bindings again for the same world, this time using a different
+// suffix
+mod b {
+    wit_bindgen::generate!({
+        world: "available-imports",
+        path: "./test.wit",
+        type_section_suffix: "hello i am a suffix how are you doing today",
+        generate_all,
+    });
+}
+
+mod c {
+    wit_bindgen::generate!({
+        world: "test:a/imports",
+        path: "./test.wit",
+    });
+}
+mod d {
+    wit_bindgen::generate!({
+        world: "test:b/imports",
+        path: "./test.wit",
+    });
+}
+
+fn main() {
+    a::test::suffix::imports::foo();
+    b::test::suffix::imports::foo();
+    c::foo::f();
+    d::bar::f();
+}

tests/runtime-new/rust/type_section_suffix/runner.rs

@@ -0,0 +1,17 @@
+include!(env!("BINDINGS"));
+
+struct Component;
+
+export!(Component);
+
+impl exports::bar::Guest for Component {
+    fn f() {}
+}
+
+impl exports::foo::Guest for Component {
+    fn f() {}
+}
+
+impl exports::test::suffix::imports::Guest for Component {
+    fn foo() {}
+}

tests/runtime-new/rust/type_section_suffix/test.rs

@@ -0,0 +1,37 @@
+package test:suffix;
+
+interface imports {
+  foo: func();
+}
+
+world available-imports {
+  import imports;
+  include test:a/imports;
+  include test:b/imports;
+}
+
+world runner {
+  include available-imports;
+}
+
+world test {
+  export imports;
+  export foo: interface { f: func(); }
+  export bar: interface { f: func(); }
+}
+
+package test:a {
+  world imports {
+    import foo: interface {
+      f: func();
+    }
+  }
+}
+
+package test:b {
+  world imports {
+    import bar: interface {
+      f: func();
+    }
+  }
+}

tests/runtime-new/rust/type_section_suffix/test.wit

@@ -29,7 +29,6 @@ mod resource_with_lists;
 mod resources;
 mod results;
 mod rust_xcrate;
-mod type_section_suffix;
 mod variants;
 mod versions;