//
// Copyright 2019 AT&T Intellectual Property
// Copyright 2019 Nokia
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

//  This source code is part of the near-RT RIC (RAN Intelligent Controller)
//  platform project (RICP).


package configuration

import (
	"github.com/stretchr/testify/assert"
	"gopkg.in/yaml.v2"
	"io/ioutil"
	"os"
	"testing"
)

func TestParseConfigurationSuccess(t *testing.T) {
	config := ParseConfiguration()
	assert.Equal(t, 12020, config.Http.Port)
}

func TestParseConfigurationFileNotFoundFailure(t *testing.T) {
	configPath := "../resources/configuration.yaml"
	configPathTmp := "../resources/configuration.yaml_tmp"
	err := os.Rename(configPath, configPathTmp)
	if err != nil {
		t.Errorf("#TestParseConfigurationFileNotFoundFailure - failed to rename configuration file: %s\n", configPath)
	}
	defer func() {
		err = os.Rename(configPathTmp, configPath)
		if err != nil {
			t.Errorf("#TestParseConfigurationFileNotFoundFailure - failed to rename configuration file: %s\n", configPath)
		}
	}()
	assert.Panics(t, func() { ParseConfiguration() })
}

func TestHttpConfigNotFoundFailure(t *testing.T) {
	configPath := "../resources/configuration.yaml"
	configPathTmp := "../resources/configuration.yaml_tmp"
	err := os.Rename(configPath, configPathTmp)
	if err != nil {
		t.Errorf("#TestHttpConfigNotFoundFailure - failed to rename configuration file: %s\n", configPath)
	}
	defer func() {
		err = os.Rename(configPathTmp, configPath)
		if err != nil {
			t.Errorf("#TestHttpConfigNotFoundFailure - failed to rename configuration file: %s\n", configPath)
		}
	}()
	yamlMap := map[string]interface{}{}
	buf, err := yaml.Marshal(yamlMap)
	if err != nil {
		t.Errorf("#TestHttpConfigNotFoundFailure - failed to marshal configuration map\n")
	}
	err = ioutil.WriteFile("../resources/configuration.yaml", buf, 0644)
	if err != nil {
		t.Errorf("#TestHttpConfigNotFoundFailure - failed to write configuration file: %s\n", configPath)
	}
	assert.PanicsWithValue(t, "#configuration.fillHttpConfig - failed to fill HTTP configuration: The entry 'http' not found\n",
		func() { ParseConfiguration() })
}