Add test for cannot write hidden file without extension

serazoli · Jan 15, 2021 · b56493f · b56493f
1 parent d10c856
commit b56493f
Showing 1 changed file with 17 additions and 0 deletions.
diff --git a/viper_test.go b/viper_test.go
@@ -1690,6 +1690,23 @@ func TestSafeWriteConfigAsWithExistingFile(t *testing.T) {
 	assert.True(t, ok, "Expected ConfigFileAlreadyExistsError")
 }
 
+func TestWriteHiddenFile(t *testing.T) {
+	v := New()
+	fs := afero.NewMemMapFs()
+	fs.Create("/test/.config")
+	v.SetFs(fs)
+
+	v.SetConfigName(".config")
+	v.SetConfigType("yaml")
+	v.AddConfigPath("/test")
+
+	err := v.ReadInConfig()
+	require.NoError(t, err)
+
+	err = v.WriteConfig()
+	require.NoError(t, err)
+}
+
 var yamlMergeExampleTgt = []byte(`
 hello:
     pop: 37890