Move build tools, use testify, refine make targets (#72)

- Move build tools to build folder
- Use github.com/stretchr/testify
- Refine make targets

.github/dependabot.yml

@@ -11,6 +11,12 @@ updates:
     schedule:
       interval: "weekly"
 
+  # Maintain dependencies for build tools
+  - package-ecosystem: "gomod"
+    directory: "/build"
+    schedule:
+      interval: "weekly"
+
   # Maintain dependencies for GitHub Actions
   - package-ecosystem: "github-actions"
     directory: "/"

Makefile

@@ -1,24 +1,25 @@
 .DEFAULT_GOAL := help
 
+.PHONY: dev
+dev: ## dev build
+dev: clean install generate build fmt lint-fast test mod-tidy build-snapshot 
+
 .PHONY: ci
 ci: ## CI build
-ci: install generate build lint test mod-tidy build-snapshot diff
-
-.PHONY: dev
-dev: ## fast build
-dev: build fmt lint-fast test
+ci: dev diff
 
 .PHONY: clean
-clean: ## go clean
+clean: ## remove files created during build
 	$(call print-target)
-	go clean -r -i -cache -testcache -modcache
+	rm -rf dist
+	rm -f coverage.*
 
 .PHONY: install
 install: ## install build tools
 	$(call print-target)
-	go install mvdan.cc/gofumpt/gofumports
-	go install github.com/golangci/golangci-lint/cmd/golangci-lint
-	go install github.com/goreleaser/goreleaser
+	cd build && go install mvdan.cc/gofumpt/gofumports
+	cd build && go install github.com/golangci/golangci-lint/cmd/golangci-lint
+	cd build && go install github.com/goreleaser/goreleaser
 
 .PHONY: generate
 generate: ## go generate
@@ -55,6 +56,7 @@ test: ## go test with race detector and code covarage
 mod-tidy: ## go mod tidy
 	$(call print-target)
 	go mod tidy
+	cd build && go mod tidy
 
 .PHONY: build-snapshot
 build-snapshot: ## goreleaser --snapshot --skip-publish --rm-dist
@@ -77,6 +79,11 @@ release: ## goreleaser --rm-dist
 run: ## go run
 	@go run -race ./cmd/seed
 
+.PHONY: go-clean
+go-clean: ## go clean build, test and modules caches
+	$(call print-target)
+	go clean -r -i -cache -testcache -modcache
+
 .PHONY: docker
 docker: ## run in golang container, example: make docker run="make ci"
 	docker run --rm \

README.md

@@ -18,7 +18,7 @@ It includes:
 - dependency management using [Go Modules](https://github.com/golang/go/wiki/Modules),
 - code formatting using [gofumpt](https://github.com/mvdan/gofumpt),
 - linting with [golangci-lint](https://github.com/golangci/golangci-lint),
-- unit testing with [race detector](https://blog.golang.org/race-detector) and [code covarage HTML report](https://blog.golang.org/cover),
+- unit testing with [testify](https://github.com/stretchr/testify), [race detector](https://blog.golang.org/race-detector) and [code covarage HTML report](https://blog.golang.org/cover),
 - releasing using [GoReleaser](https://github.com/goreleaser/goreleaser),
 - dependencies scanning and updating thanks to [Dependabot](https://dependabot.com),
 - [Visual Studio Code](https://code.visualstudio.com) configuration with [Go](https://code.visualstudio.com/docs/languages/go) and [Remote Container](https://code.visualstudio.com/docs/remote/containers) support.

build/go.mod

@@ -0,0 +1,9 @@
+module github.com/golang-templates/seed/build
+
+go 1.15
+
+require (
+	github.com/golangci/golangci-lint v1.31.0
+	github.com/goreleaser/goreleaser v0.144.0
+	mvdan.cc/gofumpt v0.0.0-20200709182408-4fd085cb6d5f
+)

cmd/seed/main_test.go

@@ -2,11 +2,13 @@ package main
 
 import (
 	"testing"
+
+	"github.com/stretchr/testify/assert"
 )
 
 func Test_greet(t *testing.T) {
+	got := greet()
+
 	want := "Hi!"
-	if got := greet(); got != want {
-		t.Errorf("greet() = %v, want %v", got, want)
-	}
+	assert.Equal(t, want, got, "should properly greet")
 }

go.mod

@@ -2,8 +2,4 @@ module github.com/golang-templates/seed
 
 go 1.15
 
-require (
-	github.com/golangci/golangci-lint v1.31.0
-	github.com/goreleaser/goreleaser v0.144.0
-	mvdan.cc/gofumpt v0.0.0-20200709182408-4fd085cb6d5f
-)
+require github.com/stretchr/testify v1.6.1