update min supported version to 1.15 (golang#641)

Author: codyoss

.github/workflows/test.yaml

@@ -10,7 +10,7 @@ jobs:
   test:
     strategy:
       matrix:
-        go-version: [1.11.x, 1.17.x]
+        go-version: [1.15.x, 1.18.x]
         os: [ubuntu-latest]
     runs-on: ${{ matrix.os }}
     steps:
@@ -23,27 +23,18 @@ jobs:
     - name: Checkout code
       uses: actions/checkout@v2
 
-    # Needed for versions <1.14 tests
-    - name: Install mock
-      run: |
-        GO111MODULE=off go get github.com/golang/mock | true
-
     - name: Vet and build
       run: |
         go vet ./...
         go build ./...
 
-    - name: Install tools
+    - name: Install mockgen
       run: |
         go install github.com/golang/mock/mockgen
-        GO111MODULE=off go get -u golang.org/x/lint/golint
 
-    - name: Run test scripts
+    - name: Run test script
       run: |
-        ./ci/check_go_fmt.sh
-        ./ci/check_go_lint.sh
-        ./ci/check_go_generate.sh
-        ./ci/check_go_mod.sh
+        ./ci/test.sh
         ./ci/check_panic_handling.sh
 
     - name: Run Go tests

ci/check_go_fmt.sh

@@ -0,0 +1,45 @@
+#!/bin/bash
+# This script is used to ensure that the go.mod file is up to date.
+
+set -euo pipefail
+
+if [[ $(go version) != *"go1.18"* ]]; then
+  exit 0
+fi
+
+for i in $(find $PWD -name go.mod); do
+  pushd $(dirname $i)
+  go mod tidy
+  popd
+done
+
+if [ ! -z "$(git status --porcelain)" ]; then
+  git status
+  git diff
+  echo
+  echo "The go.mod is not up to date."
+  exit 1
+fi
+
+BASE_DIR="$PWD"
+TEMP_DIR=$(mktemp -d)
+function cleanup() {
+  rm -rf "${TEMP_DIR}"
+}
+trap cleanup EXIT
+
+cp -r . "${TEMP_DIR}/"
+cd $TEMP_DIR
+
+for i in $(find $PWD -name go.mod); do
+  pushd $(dirname $i)
+  go generate ./...
+  popd
+done
+
+if ! diff -r . "${BASE_DIR}"; then
+  echo
+  echo "The generated files aren't up to date."
+  echo "Update them with the 'go generate ./...' command."
+  exit 1
+fi

ci/check_go_generate.sh

@@ -5,4 +5,4 @@ require (
 	golang.org/x/tools v0.1.8
 )
 
-go 1.11
+go 1.15