Update README and build details

Author: megablend

.github/workflows/build.yml

@@ -1,4 +1,4 @@
-name: JWT Encryption Job
+name: JWT/JWE Encryption
 
 on:
   push:
@@ -29,6 +29,12 @@ jobs:
         go version
         go get -u golang.org/x/lint/golint
     
-    # Run testing on the code
+    # Run unit test
     - name: Run testing
-      run: go test -v -cover ./... -gcflags=all=-l
+      run: go test -v -cover ./... -gcflags=all=-l
+
+    # Upload coverage report
+    - name: Upload coverage reports to Codecov
+      uses: codecov/codecov-action@v3
+      env:
+        CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}

README.md

@@ -2,13 +2,15 @@
 [![Build Status](https://github.com/megablend/jwt-encryption/actions/workflows/build.yml/badge.svg?branch=master)][build]
 [![GoDoc](https://img.shields.io/badge/api-Godoc-blue.svg)][godoc]
 [![Go Report Card](https://goreportcard.com/badge/github.com/jxskiss/gopkg/v2)][goreport]
+[![Coverage](https://codecov.io/gh/megablend/jwt-encryption/branch/master/graph/badge.svg)][coverage]
 [![Issues](https://img.shields.io/github/issues/megablend/jwt-encryption.svg)][issues]
 [![GitHub release](http://img.shields.io/github/release/megablend/jwt-encryption.svg)][release]
 [![MIT License](http://img.shields.io/badge/license-MIT-blue.svg)][license]
 
 [build]: https://github.com/megablend/jwt-encryption/actions
 [godoc]: https://pkg.go.dev/github.com/megablend/jwt-encryption
 [goreport]: https://goreportcard.com/report/github.com/megablend/jwt-encryption
+[coverage]: https://codecov.io/gh/megablend/jwt-encryption
 [issues]: https://github.com/megablend/jwt-encryption/issues
 [release]: https://github.com/megablend/jwt-encryption/releases
 [license]: https://github.com/megablend/jwt-encryption/blob/master/LICENSE

pkg/config/config_test.go

@@ -11,9 +11,10 @@ import (
 )
 
 func patchOsOpen(message string) {
-	monkey.Patch(os.Open, func(_ string) (*os.File, error) {
-		return nil, errors.New(message)
-	})
+	monkey.Patch(os.Open,
+		func(_ string) (*os.File, error) {
+			return nil, errors.New(message)
+		})
 }
 
 func TestNew_shouldReturnValidDetails(t *testing.T) {
@@ -40,11 +41,11 @@ func TestNew_shouldReturnValidDetails(t *testing.T) {
 
 func TestNew_shouldReturnError_whenUnableToReadFile(t *testing.T) {
 	errMsg := "test error message while opening file"
-	err := os.Setenv(BASE_PATH, "/path/to/config")
-
 	defer monkey.UnpatchAll()
 	patchOsOpen(errMsg)
 
+	err := os.Setenv(BASE_PATH, "/path/to/config")
+
 	config, configErr := New()
 
 	require.NoError(t, err)