OZG-6747 update/add unittests for config

internal/config/config.go

@@ -35,7 +35,8 @@ import (
 
 const (
 	defaultConfig   = "config.yml"
-	testFilePath = "testdata/test_config.yml"
+	testFilePath = "testdata/"
+	APP_ENV_NAME = "APP_ENV"
 )
 
 type Config struct {
@@ -63,7 +64,7 @@ func LoadConfig(configFilePath ...string) Config {
 
 	configFile := defaultConfig
 	
-	env := os.Getenv("APP_ENV")
+	env := os.Getenv(APP_ENV_NAME)
 	if env != "" {
 		configFile = fmt.Sprintf("config-%s.yml", env)
 	}
@@ -73,7 +74,7 @@ func LoadConfig(configFilePath ...string) Config {
 	if len(configFilePath) > 0 {
 		fp = configFilePath[0]
 	}  else if testing.Testing() {
-		fp = testFilePath
+		fp = testFilePath+configFile
 	}
 
 	file, err := os.ReadFile(fp)

internal/config/config_test.go

@@ -28,10 +28,11 @@ package config
 import (
 	"testing"
 	"github.com/stretchr/testify/assert"
+	"os"
 )
 
 func TestLoadConfig(t *testing.T) {
-	t.Run("should load config from file", func(t *testing.T) {
+	t.Run("should load default config from file", func(t *testing.T) {
 		config := LoadConfig()
 
 		expectedConfig := Config{}
@@ -44,4 +45,22 @@ func TestLoadConfig(t *testing.T) {
 		assert.Equal(t, expectedConfig, config)
 	})
 
+	t.Run("should load local config", func(t *testing.T) {
+		os.Setenv(APP_ENV_NAME, "local")
+	    defer os.Unsetenv(APP_ENV_NAME) 
+
+		config := LoadConfig()
+
+		assert.NoError(t, os.Unsetenv(APP_ENV_NAME), "Unsetenv "+APP_ENV_NAME+" should not return an error")
+		
+		expectedConfig := Config{}
+		expectedConfig.Grpc.Server.Mock = true
+		expectedConfig.Http.Server.Port = 8082
+		expectedConfig.Grpc.Server.Port = 50052
+		expectedConfig.Grpc.Router.Port = 50051
+		expectedConfig.Logging.Level = "INFO"
+
+		assert.Equal(t, expectedConfig, config)
+	})
+
 }

internal/config/testdata/config-local.yml

+http:
+  server:
+    port: 8082
+grpc:
+  server:
+    mock: true
+    port: 50052
+  router:
+    port: 50051
+logging:
+  level: "INFO"
\ No newline at end of file

internal/server/testdata/test_config.yml → internal/mock/testdata/config.yml

@@ -7,4 +7,4 @@ grpc:
   router:
     port: 50051
 logging:
-  level: "DEBUG"
+  level: "INFO"
\ No newline at end of file