tests: add test for config file

configs/viper_test.go

@@ -0,0 +1,37 @@
+package configs
+
+import (
+	"testing"
+
+	"github.com/spf13/viper"
+)
+
+func TestUnsetViperConfig(t *testing.T) {
+	viper.SetConfigFile("./../testdata/.viper.yaml")
+	keys := []string{"key1", "key2", "key3", "key4", "key5"}
+	for _, v := range keys {
+		viper.Set(v, v)
+	}
+	type args struct {
+		keys []string
+	}
+	tests := []struct {
+		name    string
+		args    args
+		wantErr bool
+	}{
+		{"Test Case", args{keys: keys}, false},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if err := UnsetViperConfig(tt.args.keys...); (err != nil) != tt.wantErr {
+				t.Errorf("UnsetViperConfig() error = %v, wantErr %v", err, tt.wantErr)
+			}
+			for _, v := range keys {
+				if viper.GetString(v) != "" {
+					t.Errorf("UnsetViperConfig() Expected viper key %s to be empty", v)
+				}
+			}
+		})
+	}
+}