Add Github Actions for linting (#13)

.github/workflows/lint.yml

@@ -0,0 +1,53 @@
+name: Lint
+
+env:
+  GO_VERSION: 1.18
+
+permissions:
+  contents: read
+
+on:
+  push:
+    branches:
+      - issue/gh-actions
+    # paths:
+    #   - "**.go"
+    #   - go.mod
+    #   - go.sum
+  pull_request:
+    # paths:
+    #   - "**.go"
+    #   - go.mod
+    #   - go.sum
+
+jobs:
+
+  lint:
+    name: Lint
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Install Go
+        uses: actions/setup-go@v3
+        with:
+          go-version: ${{ env.GO_VERSION }}
+
+      - name: Set Go Cache Paths
+        id: go-cache-paths
+        run: |
+          echo "::set-output name=go-mod::$(go env GOMODCACHE)"
+
+      - name: Restore Go Modules Cache
+        uses: actions/cache@v3
+        with:
+          path: ${{ steps.go-cache-paths.outputs.go-mod }}
+          key: ${{ runner.os }}-go-mod-${{ hashFiles('**/go.sum') }}
+
+      - name: Verify modules
+        run: |
+          make verify
+
+      - name: Lint code
+        run: |
+          make lint

.github/workflows/test.yml

@@ -0,0 +1,56 @@
+name: Test
+
+env:
+  GO_VERSION: 1.18
+
+permissions:
+  contents: read
+
+on:
+  push:
+    branches:
+      - issue/gh-actions
+# on: [push, pull_request]
+
+jobs:
+
+  test:
+    name: Test
+    runs-on: macos-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Install Go
+        uses: actions/setup-go@v3
+        with:
+          go-version: ${{ env.GO_VERSION }}
+
+      - name: Set Go Cache Paths
+        id: go-cache-paths
+        run: |
+          echo "::set-output name=go-build::$(go env GOCACHE)"
+          echo "::set-output name=go-mod::$(go env GOMODCACHE)"
+
+      - name: Restore Go Cache
+        uses: actions/cache@v3
+        with:
+          path: ${{ steps.go-cache-paths.outputs.go-build }}
+          key: ${{ runner.os }}-go-build-${{ hashFiles('**/go.sum') }}
+
+      - name: Restore Go Modules Cache
+        uses: actions/cache@v3
+        with:
+          path: ${{ steps.go-cache-paths.outputs.go-mod }}
+          key: ${{ runner.os }}-go-mod-${{ hashFiles('**/go.sum') }}
+
+      - name: Verify modules
+        run: |
+          make verify
+
+      - name: Run Tests
+        run: |
+          make test
+
+      - name: Build binary
+        run: |
+          make build

.gitignore

@@ -15,6 +15,10 @@ vendor/
 # Output of the go coverage tool, specifically when used with LiteIDE
 *.out
 
+# Unit tests and coverage reports
+profile.cov
+report.xml
+
 ### Intellij ###
 # User-specific stuff:
 .idea/

Makefile

@@ -0,0 +1,55 @@
+GREEN  := $(shell tput -Txterm setaf 2)
+YELLOW := $(shell tput -Txterm setaf 3)
+WHITE  := $(shell tput -Txterm setaf 7)
+CYAN   := $(shell tput -Txterm setaf 6)
+RESET  := $(shell tput -Txterm sgr0)
+
+GOTESTSUM_VERSION := v1.7.0
+STATICCHECK_VERSION := 2022.1
+
+# Suppress CGO compiler warnings
+export CGO_CFLAGS=-w
+
+.PHONY: all build test
+
+all: help
+
+## Targets:
+
+build: ## Build your project and put the output binary in out/bin/
+	@mkdir -p out/bin
+	@go build -o out/bin/ .
+
+clean: ## Clean up task related files
+	@rm -fr ./out
+	@rm -f ./report.xml ./profile.cov
+
+verify: ## Verify dependencies
+	@go mod verify
+	@go mod download
+
+lint: ## Run linters
+	@go install honnef.co/go/tools/cmd/staticcheck@${STATICCHECK_VERSION}
+
+	@go mod tidy
+	@git diff --exit-code go.mod
+
+	@staticcheck ./...
+
+test: ## Run tests
+	@go install gotest.tools/gotestsum@${GOTESTSUM_VERSION}
+	@gotestsum -- -coverprofile=profile.cov ./...
+
+coverage: test ## Generate coverage report
+	@go tool cover -html=profile.cov
+
+help: ## Show this help
+	@echo ''
+	@echo 'Usage:'
+	@echo '  ${YELLOW}make${RESET} ${GREEN}<target>${RESET}'
+	@echo ''
+	@echo 'Targets:'
+	@awk 'BEGIN {FS = ":.*?## "} { \
+		if (/^[a-zA-Z_-]+:.*?##.*$$/) {printf "    ${YELLOW}%-20s${GREEN}%s${RESET}\n", $$1, $$2} \
+		else if (/^## .*$$/) {printf "  ${CYAN}%s${RESET}\n", substr($$1,4)} \
+		}' $(MAKEFILE_LIST)

output/tableoutput_test.go

@@ -35,6 +35,7 @@ var asciiTpl = `+-------------------------------------+
 
 `
 
+//lint:ignore ST1018 stick to unicode characters for test output
 var tableTpl = `%s
  DESCRIPTION  KEY  VALUE     TYPE 
  sensor       key     value  type