Add comprehensive CLI integration tests and CI workflow

.github/workflows/ci.yml

@@ -0,0 +1,47 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - master
+      - main
+  pull_request:
+    branches:
+      - master
+      - main
+
+jobs:
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        go-version: ['1.25']
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: ${{ matrix.go-version }}
+
+      - name: Verify dependencies
+        run: go mod verify
+
+      - name: Run go vet
+        run: go vet ./...
+
+      - name: Run golangci-lint
+        run: go tool github.com/golangci/golangci-lint/v2/cmd/golangci-lint run --timeout=5m
+
+      - name: Run tests
+        run: go test -v -race -count=5 -coverprofile=coverage.out ./...
+
+      - name: Upload coverage
+        uses: codecov/codecov-action@v4
+        if: matrix.go-version == '1.25'
+        with:
+          file: ./coverage.out
+          fail_ci_if_error: false

.gitignore

@@ -1,3 +1,5 @@
 .idea/
 build/
 release/
+/renderizer
+/coverage*

Makefile

@@ -12,8 +12,6 @@ PREFIX ?= usr/local
 
 #
 
-.PHONY : all release snapshot vet test examples tag
-.PHONY : help
 .DEFAULT_GOAL := snapshot
 
 #
@@ -24,31 +22,52 @@ TEST_SOURCES = $(filter %_test.go, $(ALL_SOURCES))
 
 #
 
-build snapshot: vet test $(BINARY) # Build snapshot
+.PHONY: build snapshot
+build snapshot: lint test $(BINARY) # Build snapshot
 
+.PHONY: all
 all: release ## Make everything
 
 $(BINARY): $(MAIN_SOURCES)
-	goreleaser --snapshot --rm-dist --skip-publish --skip-validate
+	go tool github.com/goreleaser/goreleaser --snapshot --rm-dist --skip-publish --skip-validate
 
-release: vet test ## Build releases
+.PHONY: release
+release: lint test ## Build releases
 	$(MAKE) full-release BUILD=
 
+.PHONY: full-release
 full-release: tag
-	goreleaser --rm-dist --skip-publish
+	go tool github.com/goreleaser/goreleaser --rm-dist --skip-publish
 
+.PHONY: tag
 tag:
 	git tag -f -m $(TAG) $(TAG)
 
+.PHONY: vet test
 vet test: ## Run tests or vet
 	go $@ ./...
 
-tests examples: snapshot
+.PHONY: lint
+lint: vet ## Run tests or vet
+	go tool github.com/golangci/golangci-lint/v2/cmd/golangci-lint run
+
+.PHONY: fmt
+fmt: ## Run tests or vet
+	go tool golang.org/x/tools/cmd/goimports -w cmd pkg
+
+.PHONY: tests
+tests: snapshot examples
+	go test -v -race -count=5 -coverprofile=coverage.out ./...
+
+.PHONY: examples
+examples:
 	@scripts/test-iterate test examples
 
+.PHONY: clean
 clean:
 	rm -rf build
 
+.PHONY: help
 help: ## This help.
 	@echo $(APP_NAME)
 	@echo MAIN_SOURCES=$(MAIN_SOURCES)