language: go
sudo: false
go:
  - 1.9.x
  - 1.10.x
  - master
go_import_path: github.com/grpc-ecosystem/grpc-gateway
cache:
  directories:
    - $HOME/local
    - ${TRAVIS_BUILD_DIR}/examples/browser/node_modules
    - $HOME/.cache/_grpc_gateway_bazel
before_install:
  - if [ "${USE_BAZEL}" = true ]; then ./.travis/install-bazel.sh $BAZEL_VERSION; fi
  - test "${USE_BAZEL}" = true ||  ./.travis/install-protoc.sh $PROTOC_VERSION
  - test "${USE_BAZEL}" = true || ./.travis/install-swagger-codegen.sh $SWAGGER_CODEGEN_VERSION
  - test "${USE_BAZEL}" = true || (nvm install $NODE_VERSION && nvm use $NODE_VERSION && node --version)
  - test "${USE_BAZEL}" = true || go get github.com/golang/lint/golint
  - test "${USE_BAZEL}" = true || go get github.com/dghubble/sling
  - test "${USE_BAZEL}" = true || go get github.com/go-resty/resty
install:
  # Make sure externally referenced packages are go-gettable.
  - test "${USE_BAZEL}" = true ||
    go get github.com/grpc-ecosystem/grpc-gateway/protoc-gen-grpc-gateway
  - test "${USE_BAZEL}" = true ||
    go get github.com/grpc-ecosystem/grpc-gateway/protoc-gen-swagger
  - test "${USE_BAZEL}" = true ||
    go get github.com/grpc-ecosystem/grpc-gateway/runtime
  - test "${USE_BAZEL}" = true ||
    go get github.com/grpc-ecosystem/grpc-gateway/examples/cmd/example-grpc-server
  - test "${USE_BAZEL}" = true ||
    go get github.com/grpc-ecosystem/grpc-gateway/examples/cmd/example-gateway-server

  # Just build if USE_BAZEL
  - if [ "${USE_BAZEL}" = true ]; then ./.travis/bazel-build.sh; fi
before_script:
  - test "${USE_BAZEL}" = true ||
    (cd examples/browser && npm install)
script:
  # Make sure examples of generated files are up-to-date
  - test "${USE_BAZEL}" = true ||
    (make realclean && make examples SWAGGER_CODEGEN="java -jar $HOME/local/swagger-codegen-cli.jar")
  - if [ -z "${USE_BAZEL}" ] &&
    (go version | grep -q "${GO_VERSION_TO_DIFF_TEST}") &&
    [ -z "${GATEWAY_PLUGIN_FLAGS}" ]; then
      test -z "$(git status --porcelain)" || (git status; git diff; exit 1);
    fi

  # Unit tests, integration tests and code health checks
  - test "${USE_BAZEL}" = true ||
    env GLOG_logtostderr=1 go test -race -v github.com/grpc-ecosystem/grpc-gateway/...
  - test "${USE_BAZEL}" = true ||
    make lint
  - test "${USE_BAZEL}" = true ||
    sh -c 'cd examples/browser && node ./node_modules/gulp/bin/gulp'

  - if [ "${USE_BAZEL}" = true ]; then ./.travis/bazel-test.sh; fi

  # test coverage
  - if (go version | grep -q "${GO_VERSION_TO_DIFF_TEST}") &&
      [ -z "${GATEWAY_PLUGIN_FLAGS}" ]; then
      env GLOG_logtostderr=1 ./bin/coverage;
    fi
after_success:
  - bash <(curl -s https://codecov.io/bash)

env:
  global:
    - "PATH=$PATH:$HOME/local/bin"
    - GO_VERSION_TO_DIFF_TEST="go version go1\.10\.[0-9]\+ linux/amd64"
    - BAZEL_VERSION=0.12.0
    - NODE_VERSION=v6.1
    - PROTOC_VERSION=3.1.0
    - SWAGGER_CODEGEN_VERSION=2.2.2
  matrix:
    - GATEWAY_PLUGIN_FLAGS=
    - GATEWAY_PLUGIN_FLAGS=request_context=false
matrix:
  include:
    - go: master
      env: USE_BAZEL=true