First commit

setup/e2mgr/tools/RoutingManagerSimulator/configuration/configuration.go

@@ -0,0 +1,57 @@
+//
+// 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 (
+	"fmt"
+	"github.com/spf13/viper"
+)
+
+type Configuration struct {
+	Http struct {
+		Port int
+	}
+
+}
+
+func ParseConfiguration() *Configuration{
+	viper.SetConfigType("yaml")
+	viper.SetConfigName("configuration")
+	viper.AddConfigPath("RoutingManagerSimulator/resources/")
+	viper.AddConfigPath("./resources/")  //For production
+	viper.AddConfigPath("../resources/") //For test under Docker
+	viper.AddConfigPath("../../resources/") //For test under Docker
+	err := viper.ReadInConfig()
+	if err != nil {
+		panic(fmt.Sprintf("#configuration.ParseConfiguration - failed to read configuration file: %s\n", err))
+	}
+
+	config := Configuration{}
+	config.fillHttpConfig(viper.Sub("http"))
+	return &config
+}
+
+func (c *Configuration)fillHttpConfig(httpConfig *viper.Viper) {
+	if httpConfig == nil {
+		panic(fmt.Sprintf("#configuration.fillHttpConfig - failed to fill HTTP configuration: The entry 'http' not found\n"))
+	}
+	c.Http.Port = httpConfig.GetInt("port")
+}

setup/e2mgr/tools/RoutingManagerSimulator/configuration/configuration_test.go

@@ -0,0 +1,76 @@
+//
+// 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() })
+}