Switch to arch linux for CI

Race detector doesn't work on alpine.

See golang/go#14481

Author: nhooyr

.circleci/config.yml

@@ -7,15 +7,15 @@ jobs:
       - checkout
       - restore_cache:
           keys:
-            - go-{{ checksum "go.sum" }}
+            - go-v1-{{ checksum "go.sum" }}
             # Fallback to using the latest cache if no exact match is found.
-            - go-
+            - go-v1-
       - run: ./ci/fmt.sh
       - save_cache:
           paths:
-            - /go
+            - /root/go
             - /root/.cache/go-build
-          key: go-{{ checksum "go.sum" }}
+          key: go-v1-{{ checksum "go.sum" }}
 
   lint:
     docker:
@@ -24,15 +24,15 @@ jobs:
       - checkout
       - restore_cache:
           keys:
-            - go-{{ checksum "go.sum" }}
+            - go-v1-{{ checksum "go.sum" }}
             # Fallback to using the latest cache if no exact match is found.
-            - go-
+            - go-v1-
       - run: ./ci/lint.sh
       - save_cache:
           paths:
-            - /go
+            - /root/go
             - /root/.cache/go-build
-          key: go-{{ checksum "go.sum" }}
+          key: go-v1-{{ checksum "go.sum" }}
 
   test:
     docker:
@@ -41,17 +41,20 @@ jobs:
       - checkout
       - restore_cache:
           keys:
-            - go-{{ checksum "go.sum" }}
+            - go-v1-{{ checksum "go.sum" }}
             # Fallback to using the latest cache if no exact match is found.
-            - go-
+            - go-v1-
       - run: ./ci/test.sh
       - store_artifacts:
           path: ci/out
+          destination: out
       - save_cache:
           paths:
-            - /go
+            - /root/go
             - /root/.cache/go-build
-          key: go-{{ checksum "go.sum" }}
+          key: go-v1-{{ checksum "go.sum" }}
+      - store_test_results:
+          path: ci/out
 
   bench:
     docker:
@@ -60,17 +63,18 @@ jobs:
       - checkout
       - restore_cache:
           keys:
-            - go-{{ checksum "go.sum" }}
+            - go-v1-{{ checksum "go.sum" }}
             # Fallback to using the latest cache if no exact match is found.
-            - go-
+            - go-v1-
       - run: ./ci/bench.sh
       - store_artifacts:
           path: ci/out
+          destination: out
       - save_cache:
           paths:
-            - /go
+            - /root/go
             - /root/.cache/go-build
-          key: go-{{ checksum "go.sum" }}
+          key: go-v1-{{ checksum "go.sum" }}
 
 workflows:
   version: 2
@@ -85,4 +89,4 @@ workflows:
       - test
   bench:
     jobs:
-      - bench
+      - bench

ci/bench.sh

@@ -5,12 +5,25 @@ cd "$(dirname "${0}")"
 cd "$(git rev-parse --show-toplevel)"
 
 mkdir -p ci/out
-go test -vet=off -run=^$ -bench=. -o=ci/out/websocket.test \
-  -cpuprofile=ci/out/cpu.prof \
-  -memprofile=ci/out/mem.prof \
-  -blockprofile=ci/out/block.prof \
-  -mutexprofile=ci/out/mutex.prof \
+benchArgs=(
+  "-vet=off"
+  "-run=^$"
+  "-bench=."
+  "-o=ci/out/websocket.test"
+  "-cpuprofile=ci/out/cpu.prof"
+  "-memprofile=ci/out/mem.prof"
+  "-blockprofile=ci/out/block.prof"
+  "-mutexprofile=ci/out/mutex.prof"
   .
+)
+
+if [[ ${CI-} ]]; then
+  # https://circleci.com/docs/2.0/collect-test-data/
+  go test "${benchArgs[@]}" | tee /dev/stderr |
+    go run github.com/jstemmer/go-junit-report > ci/out/testReport.xml
+else
+  go test "${benchArgs[@]}"
+fi
 
 echo
 echo "Profiles are in ./ci/out/*.prof

ci/image/Dockerfile

@@ -1,16 +1,13 @@
-FROM golang:1-alpine
+FROM archlinux/base
 
-RUN apk add --update bash git
+RUN pacman -Syu --noconfirm
 
-# Autobahn Test suite.
-RUN apk add py2-pip python2-dev gcc libffi-dev libc-dev openssl-dev && \
-  pip install autobahntestsuite
+RUN pacman -S --noconfirm go git shellcheck tar openssh gzip ca-certificates
 
-# prettier.
-RUN apk add npm && npm install -g prettier
+RUN pacman -S --noconfirm gcc python2-pip && \
+  pip2 install autobahntestsuite
 
-# shellcheck
-RUN apk add xz curl && \
-  curl -o /tmp/shellcheck.tar.xz -L https://storage.googleapis.com/shellcheck/shellcheck-stable.linux.x86_64.tar.xz && \
-  tar -xf /tmp/shellcheck.tar.xz && \
-  ln -s "${PWD}/shellcheck-stable/shellcheck" /usr/local/bin/shellcheck
+RUN pacman -S --noconfirm npm && \
+  npm install -g prettier
+
+ENV GOFLAGS -mod=readonly

ci/lint.sh

@@ -5,6 +5,6 @@ cd "$(dirname "${0}")"
 cd "$(git rev-parse --show-toplevel)"
 
 # shellcheck disable=SC2046
-shellcheck -e SC1091 -x $(git ls-files "*.sh")
+shellcheck -x $(git ls-files "*.sh")
 go vet ./...
 go run golang.org/x/lint/golint -set_exit_status ./...

ci/test.sh

@@ -5,12 +5,16 @@ cd "$(dirname "${0}")"
 cd "$(git rev-parse --show-toplevel)"
 
 mkdir -p ci/out
-# If you'd like to modify the args to go test, just run go test directly, this script is meant
-# for running tests at the end to get coverage and test under the race detector.
-go test -race -vet=off -coverprofile=ci/out/coverage.prof -coverpkg=./... ./...
+testFlags=(-race "-vet=off" "-coverprofile=ci/out/coverage.prof" "-coverpkg=./...")
+if [[ ${CI-} ]]; then
+  # https://circleci.com/docs/2.0/collect-test-data/
+  go test "${testFlags[@]}" -v ./... 2>&1 | tee /dev/stderr |
+    go run github.com/jstemmer/go-junit-report > ci/out/testReport.xml
+else
+  go test "${testFlags[@]}" ./...
+fi
+go tool cover -html=ci/out/coverage.prof -o=ci/out/coverage.html
 
 if [[ ${CI:-} ]]; then
   bash <(curl -s https://codecov.io/bash) -f ci/out/coverage.prof
-else
-  go tool cover -html=ci/out/coverage.prof -o=ci/out/coverage.html
 fi

docs/CONTRIBUTING.md

@@ -34,10 +34,8 @@ For remote coverage, you can use either [codecov](https://codecov.io/gh/nhooyr/w
 
 You can also run any of the CI steps individually. All of them are scripts in the `ci` directory.
 
-See [../ci/lint.sh](../ci/lint.sh) and [../ci/test.sh](../ci/test.sh) for the
-installation of shellcheck, node and the Autobahn test suite on Debian or Ubuntu.
+See [../ci/image/Dockerfile](../ci/image/Dockerfile) for the
+installation of the CI dependencies on arch linux.
 
-For Go, please refer to the [offical docs](https://golang.org/doc/install).
-
-You can benchmark the library with `./ci/benchmark.sh`. You only need Go to run that script. Benchmark
-profiles generated by that script are also available as artifacts on the bench step.
+You can benchmark the library with `./ci/benchmark.sh`. You only need Go to run that script.
+Benchmark profiles generated by that script are also available as artifacts on the bench step.

go.mod

@@ -5,6 +5,7 @@ go 1.12
 require (
 	github.com/golang/protobuf v1.3.1
 	github.com/google/go-cmp v0.2.0
+	github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024
 	github.com/kr/pretty v0.1.0 // indirect
 	go.coder.com/go-tools v0.0.0-20190317003359-0c6a35b74a16
 	golang.org/x/lint v0.0.0-20190409202823-959b441ac422

go.sum

@@ -2,6 +2,8 @@ github.com/golang/protobuf v1.3.1 h1:YF8+flBXS5eO826T4nzqPrxfhQThhXl0YzfuUPu4SBg
 github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/google/go-cmp v0.2.0 h1:+dTQ8DZQJz0Mb/HjFlkptS1FeQ4cWSnN941F8aEG4SQ=
 github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M=
+github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024 h1:rBMNdlhTLzJjJSDIjNEXX1Pz3Hmwmz91v+zycvx9PJc=
+github.com/jstemmer/go-junit-report v0.0.0-20190106144839-af01ea7f8024/go.mod h1:6v2b51hI/fHJwM22ozAgKL4VKDeJcHhJFhtBdhmNjmU=
 github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=

tools.go

@@ -4,6 +4,7 @@ package tools
 
 // See https://github.com/go-modules-by-example/index/blob/master/010_tools/README.md
 import (
+	_ "github.com/jstemmer/go-junit-report"
 	_ "go.coder.com/go-tools/cmd/goimports"
 	_ "golang.org/x/lint/golint"
 	_ "golang.org/x/tools/cmd/stringer"