Chore: Add unit tests

README.md

@@ -1,5 +1,5 @@
 [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/Guidewire/fern-reporter/badge)](https://securityscorecards.dev/viewer/?uri=github.com/Guidewire/fern-reporter)
-![Coverage](https://img.shields.io/badge/Coverage-23.0%25-red)
+![Coverage](https://img.shields.io/badge/Coverage-73.2%25-brightgreen)
 
 ![Fern](https://github.com/guidewire/fern-reporter/raw/main/docs/images/logo-no-background.png)
 

config/config_test.go

@@ -4,9 +4,22 @@ import (
 	"github.com/guidewire/fern-reporter/config"
 	. "github.com/onsi/ginkgo/v2"
 	. "github.com/onsi/gomega"
+	"github.com/stretchr/testify/mock"
+	"os"
 )
 
-var _ = Describe("Config", func() {
+// Mock the file reading function
+type MockFileReader struct {
+	mock.Mock
+}
+
+func (m *MockFileReader) ReadFile(filename string) ([]byte, error) {
+	args := m.Called(filename)
+	return args.Get(0).([]byte), args.Error(1)
+}
+
+var _ = Describe("When LoadConfig is invoked", func() {
+
 	Context("LoadConfig", func() {
 		It("should load the configuration from a file", func() {
 
@@ -25,6 +38,42 @@ var _ = Describe("Config", func() {
 			Expect(appConfig.Db.MaxIdleConns).To(Equal(10))
 		})
 
+		It("should get non-nil DB", func() {
+
+			_, err := config.LoadConfig()
+			Expect(err).NotTo(HaveOccurred())
+
+			Expect(config.GetDb()).ToNot(BeNil())
+		})
+
+		It("should get non-nil Server", func() {
+
+			_, err := config.LoadConfig()
+			Expect(err).NotTo(HaveOccurred())
+
+			Expect(config.GetServer()).ToNot(BeNil())
+		})
+
+	})
+
+	It("should override configuration with environment variables", func() {
+
+		os.Setenv("FERN_USERNAME", "fern")
+		os.Setenv("FERN_PASSWORD", "fern")
+		os.Setenv("FERN_HOST", "localhost")
+		os.Setenv("FERN_PORT", "5432")
+		os.Setenv("FERN_DATABASE", "fern")
+
+		//v := viper.New()
+		result, err := config.LoadConfig()
+
+		Expect(err).To(BeNil())
+		Expect(result).ToNot(BeNil())
+		Expect(result.Db.Username).To(Equal("fern"))
+		Expect(result.Db.Password).To(Equal("fern"))
+		Expect(result.Db.Host).To(Equal("localhost"))
+		Expect(result.Db.Port).To(Equal("5432"))
+		Expect(result.Db.Database).To(Equal("fern"))
 	})
 
 })

go.mod

@@ -11,6 +11,7 @@ require (
 	github.com/onsi/ginkgo/v2 v2.13.2
 	github.com/onsi/gomega v1.30.0
 	github.com/spf13/viper v1.18.2
+	github.com/stretchr/testify v1.8.4
 	gorm.io/driver/postgres v1.5.4
 	gorm.io/gorm v1.25.5
 )
@@ -19,6 +20,7 @@ require (
 	github.com/bytedance/sonic v1.10.2 // indirect
 	github.com/chenzhuoyu/base64x v0.0.0-20230717121745-296ad89f973d // indirect
 	github.com/chenzhuoyu/iasm v0.9.0 // indirect
+	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
 	github.com/fsnotify/fsnotify v1.7.0 // indirect
 	github.com/gabriel-vasile/mimetype v1.4.3 // indirect
 	github.com/gin-contrib/sse v0.1.0 // indirect
@@ -49,13 +51,15 @@ require (
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/pelletier/go-toml/v2 v2.1.0 // indirect
+	github.com/pmezard/go-difflib v1.0.1-0.20181226105442-5d4384ee4fb2 // indirect
 	github.com/rogpeppe/go-internal v1.11.0 // indirect
 	github.com/sagikazarmark/locafero v0.4.0 // indirect
 	github.com/sagikazarmark/slog-shim v0.1.0 // indirect
 	github.com/sourcegraph/conc v0.3.0 // indirect
 	github.com/spf13/afero v1.11.0 // indirect
 	github.com/spf13/cast v1.6.0 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/stretchr/objx v0.5.0 // indirect
 	github.com/subosito/gotenv v1.6.0 // indirect
 	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
 	github.com/ugorji/go/codec v1.2.11 // indirect

go.sum

@@ -175,6 +175,7 @@ github.com/spf13/viper v1.18.2 h1:LUXCnvUvSM6FXAsj6nnfc8Q2tp1dIgUfY9Kc8GsSOiQ=
 github.com/spf13/viper v1.18.2/go.mod h1:EKmWIqdnk5lOcmR72yw6hS+8OPYcwD0jteitLMVB+yk=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
+github.com/stretchr/objx v0.5.0 h1:1zr/of2m5FGMsad5YfcqgdqdWrIhu+EBEJRhR1U7z/c=
 github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=