Use go-acc

Makefile

@@ -42,7 +42,7 @@ lint: ## golangci-lint
 .PHONY: test
 test: ## go test with race detector and code covarage
 	$(call print-target)
-	go test -race -covermode=atomic -coverprofile=coverage.out ./...
+	go-acc --covermode=atomic --output=coverage.out ./... -- -race
 	go tool cover -html=coverage.out -o coverage.html
 
 .PHONY: mod-tidy

README.md

@@ -21,7 +21,11 @@ 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 [testify](https://github.com/stretchr/testify), [race detector](https://blog.golang.org/race-detector), code covarage [HTML report](https://blog.golang.org/cover) and [Codecov report](https://codecov.io/),
+- unit testing with [testify](https://github.com/stretchr/testify),
+  [go-acc](https://github.com/ory/go-acc),
+  [race detector](https://blog.golang.org/race-detector),
+  code covarage [HTML report](https://blog.golang.org/cover)
+  and [Codecov report](https://codecov.io/),
 - releasing using [GoReleaser](https://github.com/goreleaser/goreleaser),
 - dependencies scanning and updating thanks to [Dependabot](https://dependabot.com),
 - security code analysis using [CodeQL Action](https://docs.github.com/en/github/finding-security-vulnerabilities-and-errors-in-your-code/about-code-scanning),
@@ -130,13 +134,6 @@ You can use it to add deb/rpm/snap packages, Homebrew Tap, Scoop App Manifest et
 If you are developing a library and you like handcrafted changelog and release notes,
 you free to remove any usage of GoReleaser.
 
-### Why the code coverage results are not accurate
-
-By default `go test` records code coverage for the package that is currently tested.
-If you want to get more accurate (cross-package) coverage,
-then consider using [go-acc](https://github.com/ory/go-acc).
-[Read more](https://www.ory.sh/golang-go-code-coverage-accurate/).
-
 ## Contributing
 
 Simply create an issue or a pull request.

tools/go.mod

@@ -5,6 +5,7 @@ go 1.18
 require (
 	github.com/golangci/golangci-lint v1.50.0
 	github.com/goreleaser/goreleaser v1.11.5
+	github.com/ory/go-acc v0.2.8
 )
 
 require (
@@ -83,6 +84,7 @@ require (
 	github.com/caarlos0/log v0.1.6 // indirect
 	github.com/cavaliergopher/cpio v1.0.1 // indirect
 	github.com/cenkalti/backoff/v4 v4.1.2 // indirect
+	github.com/cespare/xxhash v1.1.0 // indirect
 	github.com/cespare/xxhash/v2 v2.1.2 // indirect
 	github.com/charithe/durationcheck v0.0.9 // indirect
 	github.com/charmbracelet/lipgloss v0.6.1-0.20220911181249-6304a734e792 // indirect
@@ -95,6 +97,7 @@ require (
 	github.com/dghubble/go-twitter v0.0.0-20211115160449-93a8679adecb // indirect
 	github.com/dghubble/oauth1 v0.7.1 // indirect
 	github.com/dghubble/sling v1.4.0 // indirect
+	github.com/dgraph-io/ristretto v0.0.2 // indirect
 	github.com/dimchansky/utfbom v1.1.1 // indirect
 	github.com/disgoorg/disgo v0.13.20 // indirect
 	github.com/disgoorg/log v1.2.0 // indirect
@@ -211,6 +214,8 @@ require (
 	github.com/nishanths/exhaustive v0.8.3 // indirect
 	github.com/nishanths/predeclared v0.2.2 // indirect
 	github.com/olekukonko/tablewriter v0.0.5 // indirect
+	github.com/ory/viper v1.7.5 // indirect
+	github.com/pborman/uuid v1.2.0 // indirect
 	github.com/pelletier/go-toml v1.9.5 // indirect
 	github.com/pelletier/go-toml/v2 v2.0.5 // indirect
 	github.com/phayes/checkstyle v0.0.0-20170904204023-bfd46e6a821d // indirect