feat: add tests for json and toml config

lib/config_test.go

@@ -8,9 +8,9 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
-func writeAndParseConfig(t *testing.T, content string) *Config {
+func writeAndParseConfig(t *testing.T, content, extension string) *Config {
 	tmpDir := t.TempDir()
-	tmpFile := filepath.Join(tmpDir, "config.yml")
+	tmpFile := filepath.Join(tmpDir, "config"+extension)
 
 	err := os.WriteFile(tmpFile, []byte(content), 0666)
 	require.NoError(t, err)
@@ -24,7 +24,7 @@ func writeAndParseConfig(t *testing.T, content string) *Config {
 func TestConfigDefaults(t *testing.T) {
 	t.Parallel()
 
-	cfg := writeAndParseConfig(t, "")
+	cfg := writeAndParseConfig(t, "", ".yml")
 	require.NoError(t, cfg.Validate())
 
 	require.EqualValues(t, []string{"*"}, cfg.CORS.AllowedHeaders)
@@ -35,6 +35,23 @@ func TestConfigDefaults(t *testing.T) {
 func TestConfigCascade(t *testing.T) {
 	t.Parallel()
 
+	check := func(t *testing.T, cfg *Config) {
+		require.True(t, cfg.Modify)
+		require.Equal(t, "/", cfg.Scope)
+		require.Len(t, cfg.Rules, 1)
+
+		require.Len(t, cfg.Users, 2)
+
+		require.True(t, cfg.Users[0].Modify)
+		require.Equal(t, "/", cfg.Users[0].Scope)
+		require.Len(t, cfg.Users[0].Rules, 1)
+
+		require.False(t, cfg.Users[1].Modify)
+		require.Equal(t, "/basic", cfg.Users[1].Scope)
+		require.Len(t, cfg.Users[1].Rules, 0)
+	}
+
+	t.Run("YAML", func(t *testing.T) {
 		content := `
 auth: true
 scope: /
@@ -52,20 +69,68 @@ users:
     modify: false
     rules: []`
 
-	cfg := writeAndParseConfig(t, content)
+		cfg := writeAndParseConfig(t, content, ".yml")
 		require.NoError(t, cfg.Validate())
 
-	require.True(t, cfg.Modify)
+		check(t, cfg)
-	require.Equal(t, "/", cfg.Scope)
+	})
-	require.Len(t, cfg.Rules, 1)
 
-	require.Len(t, cfg.Users, 2)
+	t.Run("JSON", func(t *testing.T) {
+		content := `{
+	"auth": true,
+	"scope": "/",
+	"modify": true,
+	"rules": [
+		{
+			"path": "/public/access/",
+			"modify": true
+		}
+	],
+	"users": [
+		{
+			"username": "admin",
+			"password": "admin"
+		},
+		{
+			"username": "basic",
+			"password": "basic",
+			"scope": "/basic",
+			"modify": false,
+			"rules": []
+		}
+	]
+}`
 
-	require.True(t, cfg.Users[0].Modify)
+		cfg := writeAndParseConfig(t, content, ".json")
-	require.Equal(t, "/", cfg.Users[0].Scope)
+		require.NoError(t, cfg.Validate())
-	require.Len(t, cfg.Users[0].Rules, 1)
 
-	require.False(t, cfg.Users[1].Modify)
+		check(t, cfg)
-	require.Equal(t, "/basic", cfg.Users[1].Scope)
+	})
-	require.Len(t, cfg.Users[1].Rules, 0)
+
+	t.Run("`TOML", func(t *testing.T) {
+		content := `auth = true
+scope = "/"
+modify = true
+
+[[rules]]
+path = "/public/access/"
+modify = true
+
+[[users]]
+username = "admin"
+password = "admin"
+
+[[users]]
+username = "basic"
+password = "basic"
+scope = "/basic"
+modify = false
+rules = [ ]
+`
+
+		cfg := writeAndParseConfig(t, content, ".toml")
+		require.NoError(t, cfg.Validate())
+
+		check(t, cfg)
+	})
 }