run the check for go generated files on Github Actions instead of Travis

.github/workflows/go-generate.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+
+set -e
+
+find . -type f -name "*.go" -exec shasum {} \; > checksums_before.txt
+# delete all go-generated files generated (that adhere to the comment convention)
+grep --include \*.go --exclude-dir quictrace/ -lrIZ "^// Code generated .* DO NOT EDIT\.$" . | xargs --null rm
+# delete all files generated by Genny
+grep --include \*.go -lrIZ "This file was automatically generated by genny." . | xargs --null rm
+# first generate Genny files to make the code compile
+grep --include \*.go -lrI "//go:generate genny" | xargs -L 1 go generate
+# now generate everything
+go generate ./...
+find . -type f -name "*.go" -exec shasum {} \; > checksums_after.txt
+DIFF=$(diff checksums_before.txt checksums_after.txt) || true
+echo "$DIFF"
+if [ -n "$DIFF" ]; then
+  exit 1
+else
+  echo "All generated files match."
+fi

.github/workflows/go-generate.yml

@@ -0,0 +1,19 @@
+on: [push, pull_request]
+jobs:
+  gogenerate:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-go@v2.1.1
+      - name: Install dependencies
+        run: go build
+      - name: Install code generators
+        run: |
+          go install -v github.com/cheekybits/genny
+          go install -v github.com/golang/mock/mockgen
+          go install -v golang.org/x/tools/cmd/goimports
+      - name: Run code generators
+        run: |
+          export GOPATH=$(go env GOPATH)
+          export PATH=$PATH:$GOPATH/bin
+          .github/workflows/go-generate.sh

.travis.yml

@@ -14,7 +14,6 @@ env:
     - TIMESCALE_FACTOR=20
   matrix:
     - TRAVIS_GOARCH=amd64 TESTMODE=lint
-    - TRAVIS_GOARCH=amd64 TESTMODE=gogenerate
     - TRAVIS_GOARCH=amd64 TESTMODE=unit
     - TRAVIS_GOARCH=amd64 TESTMODE=integration
     - TRAVIS_GOARCH=386 TESTMODE=unit
@@ -26,12 +25,6 @@ before_install:
   - travis_retry go get golang.org/x/tools/cmd/cover
   - travis_retry go get github.com/onsi/ginkgo/ginkgo
   - travis_retry go get github.com/onsi/gomega
-  - | 
-    if [ ${TESTMODE} == "gogenerate" ]; then
-      travis_retry go get github.com/cheekybits/genny
-      travis_retry go get github.com/golang/mock/mockgen
-      travis_retry go get golang.org/x/tools/cmd/goimports
-    fi
   - export GOARCH=$TRAVIS_GOARCH
   - go env # for debugging
   - travis_retry go get -t ./...

.travis/script.sh

@@ -7,24 +7,6 @@ if [ "${TESTMODE}" == "lint" ]; then
   ./bin/golangci-lint run ./...
 fi
 
-if [ "${TESTMODE}" == "gogenerate" ]; then
-  find . -type f -name "*.go" -exec shasum {} \; > checksums_before.txt
-  # delete all go-generated files generated (that adhere to the comment convention)
-  grep --include \*.go --exclude-dir quictrace/ -lrIZ "^// Code generated .* DO NOT EDIT\.$" . | xargs --null rm
-  # delete all files generated by Genny
-  grep --include \*.go -lrIZ "This file was automatically generated by genny." . | xargs --null rm
-  # first generate Genny files to make the code compile
-  grep --include \*.go -lrI "//go:generate genny" | xargs -L 1 go generate
-  # now generate everything
-  go generate ./...
-  find . -type f -name "*.go" -exec shasum {} \; > checksums_after.txt
-  DIFF=$(diff checksums_before.txt checksums_after.txt)
-  echo "$DIFF"
-  if [ -n "$DIFF" ]; then
-    exit 1
-  fi
-fi
-
 if [ "${TESTMODE}" == "unit" ]; then
   ginkgo -r -v -cover -randomizeAllSpecs -randomizeSuites -trace -skipPackage integrationtests,benchmark
   # run unit tests with the Go race detector

logging/mock_connection_tracer_test.go

@@ -5,13 +5,14 @@
 package logging
 
 import (
+	net "net"
+	reflect "reflect"
+	time "time"
+
 	gomock "github.com/golang/mock/gomock"
 	protocol "github.com/lucas-clemente/quic-go/internal/protocol"
 	utils "github.com/lucas-clemente/quic-go/internal/utils"
 	wire "github.com/lucas-clemente/quic-go/internal/wire"
-	net "net"
-	reflect "reflect"
-	time "time"
 )
 
 // MockConnectionTracer is a mock of ConnectionTracer interface

logging/mock_tracer_test.go

@@ -5,11 +5,12 @@
 package logging
 
 import (
+	net "net"
+	reflect "reflect"
+
 	gomock "github.com/golang/mock/gomock"
 	protocol "github.com/lucas-clemente/quic-go/internal/protocol"
 	wire "github.com/lucas-clemente/quic-go/internal/wire"
-	net "net"
-	reflect "reflect"
 )
 
 // MockTracer is a mock of Tracer interface

logging/mockgen.go

@@ -1,4 +1,4 @@
 package logging
 
-//go:generate sh -c "mockgen -package logging -destination mock_connection_tracer_test.go github.com/lucas-clemente/quic-go/logging ConnectionTracer"
+//go:generate sh -c "mockgen -package logging -self_package github.com/lucas-clemente/quic-go/logging -destination mock_connection_tracer_test.go github.com/lucas-clemente/quic-go/logging ConnectionTracer && goimports -w mock_connection_tracer_test.go"
-//go:generate sh -c "mockgen -package logging -destination mock_tracer_test.go github.com/lucas-clemente/quic-go/logging Tracer"
+//go:generate sh -c "mockgen -package logging -self_package github.com/lucas-clemente/quic-go/logging -destination mock_tracer_test.go github.com/lucas-clemente/quic-go/logging Tracer && goimports -w mock_tracer_test.go"