Add Rust to Appveyor config. (#4928)

appveyor.yml

@@ -39,6 +39,11 @@ after_build:
 
 install:
   - set PATH=%CONDA_INSTALL_LOCN%;%CONDA_INSTALL_LOCN%\scripts;%PATH%;
+  - curl -sSf -o rustup-init.exe https://win.rustup.rs/
+  - rustup-init.exe -y
+  - set PATH=%PATH%;C:\Users\appveyor\.cargo\bin
+  - rustc -V
+  - cargo -V
 
 test_script:
   - "cd tests"
@@ -52,6 +57,8 @@ test_script:
   - rem "---------------- Java -----------------"
   - "java -version"
   - "JavaTest.bat"
+  - rem "---------------- Rust ----------------"
+  - "RustTest.bat"
   - rem "---------------- JS -----------------"
   - "node --version"
   - "..\\%CONFIGURATION%\\flatc -b -I include_test monster_test.fbs unicode_test.json"

tests/RustTest.bat

+@echo off
+rem Copyright 2018 Google Inc. All rights reserved.
+rem
+rem Licensed under the Apache License, Version 2.0 (the "License");
+rem you may not use this file except in compliance with the License.
+rem You may obtain a copy of the License at
+rem
+rem     http://www.apache.org/licenses/LICENSE-2.0
+rem
+rem Unless required by applicable law or agreed to in writing, software
+rem distributed under the License is distributed on an "AS IS" BASIS,
+rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+rem See the License for the specific language governing permissions and
+rem limitations under the License.
+
+rem Compile then run the Rust test.
+
+rem TODO(rw): how do we make this script abort the calling script in appveyor?
+
+cd rust_usage_test
+cargo test -- --quiet || exit /b 1
+cd ..

tests/RustTest.sh

-#!/bin/bash 
+#!/bin/bash
 set -ex
 #
 # Copyright 2018 Google Inc. All rights reserved.
@@ -16,7 +16,7 @@ set -ex
 # limitations under the License.
 
 cd ./rust_usage_test
-cargo test $1
+cargo test -- --quiet
 TEST_RESULT=$?
 if [[ $TEST_RESULT  == 0 ]]; then
     echo "OK: Rust tests passed."