Set up code coverage within Travis for Code Climate (#533)

* Set up code coverage within Travis for Code Climate
* Include CodeClimate badges on ReadMe

.gitignore

@@ -6,6 +6,7 @@ release
 *.exe
 .env
 .bundle
+c.out
 
 # Go.gitignore
 # Compiled Object files, Static and Dynamic libs (Shared Objects)

.travis.yml

@@ -1,12 +1,20 @@
 language: go
 go:
   - 1.14.x
+env:
+  - COVER=true
 install:
   # Fetch dependencies
   - curl -sfL https://install.goreleaser.com/github.com/golangci/golangci-lint.sh | sh -s -- -b $GOPATH/bin v1.24.0
   - GO111MODULE=on go mod download
+  - curl -L https://codeclimate.com/downloads/test-reporter/test-reporter-latest-linux-amd64 > ./cc-test-reporter
+  - chmod +x ./cc-test-reporter
+before_script:
+  - ./cc-test-reporter before-build
 script:
   - make test
+after_script:
+  - ./cc-test-reporter after-build --exit-code $TRAVIS_TEST_RESULT -t gocov
 sudo: false
 notifications:
   email: false

CHANGELOG.md

@@ -25,6 +25,7 @@
 
 ## Changes since v5.1.1
 
+- [#533](https://github.com/oauth2-proxy/oauth2-proxy/pull/487) Set up code coverage within Travis for Code Climate (@JoelSpeed)
 - [#514](https://github.com/oauth2-proxy/oauth2-proxy/pull/514) Add basic string functions to templates
 - [#524](https://github.com/oauth2-proxy/oauth2-proxy/pull/524) Sign cookies with SHA256 (@NickMeves)
 - [#515](https://github.com/oauth2-proxy/oauth2-proxy/pull/515) Drop configure script in favour of native Makefile env and checks (@JoelSpeed)

Makefile

@@ -13,6 +13,10 @@ MINIMUM_SUPPORTED_GO_MAJOR_VERSION = 1
 MINIMUM_SUPPORTED_GO_MINOR_VERSION = 14
 GO_VERSION_VALIDATION_ERR_MSG = Golang version is not supported, please update to at least $(MINIMUM_SUPPORTED_GO_MAJOR_VERSION).$(MINIMUM_SUPPORTED_GO_MINOR_VERSION)
 
+ifeq ($(COVER),true)
+TESTCOVER ?= -coverprofile c.out
+endif
+
 .PHONY: all
 all: lint $(BINARY)
 
@@ -65,7 +69,7 @@ docker-push-all: docker-push
 
 .PHONY: test
 test: lint
-	GO111MODULE=on $(GO) test -v -race ./...
+	GO111MODULE=on $(GO) test $(TESTCOVER) -v -race ./...
 
 .PHONY: release
 release: lint test

README.md

@@ -4,6 +4,8 @@
 [![Go Report Card](https://goreportcard.com/badge/github.com/oauth2-proxy/oauth2-proxy)](https://goreportcard.com/report/github.com/oauth2-proxy/oauth2-proxy)
 [![GoDoc](https://godoc.org/github.com/oauth2-proxy/oauth2-proxy?status.svg)](https://godoc.org/github.com/oauth2-proxy/oauth2-proxy)
 [![MIT licensed](https://img.shields.io/badge/license-MIT-blue.svg)](./LICENSE)
+[![Maintainability](https://api.codeclimate.com/v1/badges/a58ff79407212e2beacb/maintainability)](https://codeclimate.com/github/oauth2-proxy/oauth2-proxy/maintainability)
+[![Test Coverage](https://api.codeclimate.com/v1/badges/a58ff79407212e2beacb/test_coverage)](https://codeclimate.com/github/oauth2-proxy/oauth2-proxy/test_coverage)
 
 A reverse proxy and static file server that provides authentication using Providers (Google, GitHub, and others)
 to validate accounts by email, domain or group.