Add test for cannot write hidden file without extension

spf13 · Sep 19, 2021 · a1f26b1 · a1f26b1
1 parent 46a61e6
commit a1f26b1
Showing 1 changed file with 17 additions and 0 deletions.
diff --git a/viper_test.go b/viper_test.go
@@ -1742,6 +1742,23 @@ 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