NONRTRIC-946: Servicemanager - mock kong and capif as library

[nonrtric/plt/sme.git] / servicemanager / internal / envreader / envreader.go

diff --git a/servicemanager/internal/envreader/envreader.go b/servicemanager/internal/envreader/envreader.go
index 5d1b6de..0bdbee7 100644 (file)
--- a/servicemanager/internal/envreader/envreader.go
+++ b/servicemanager/internal/envreader/envreader.go
@@ -30,10 +30,19 @@ import (
        log "github.com/sirupsen/logrus"
 )
 
-func ReadDotEnv() (map[string]string, map[string]int, error) {
+type ConfigReader interface {
+    ReadDotEnv() (map[string]string, map[string]int, error)
+}
+
+// RealConfigReader implements ConfigReader
+type RealConfigReader struct {
+}
+
+func (r *RealConfigReader) ReadDotEnv() (map[string]string, map[string]int, error) {
        log.SetFormatter(&log.TextFormatter{
                FullTimestamp: true,
        })
+       setLogLevel("Info")
 
        env := os.Getenv("SERVICE_MANAGER_ENV")
        log.Infof("read SERVICE_MANAGER_ENV: %s", env)
@@ -61,14 +70,30 @@ func ReadDotEnv() (map[string]string, map[string]int, error) {
                        return nil, nil, err
                }
        }
-       log.Infof("imported .env: %s", envFile)
 
-       loglevel, err := log.ParseLevel(myEnv["LOG_LEVEL"])
+       setLogLevel(myEnv["LOG_LEVEL"])
+       logConfig(myEnv, envFile)
+
+       myPorts, err := createMapPorts(myEnv)
+       return myEnv, myPorts, err
+}
+
+func setLogLevel(logLevel string) error {
+       log.SetFormatter(&log.TextFormatter{
+               FullTimestamp: true,
+       })
+
+       loglevel, err := log.ParseLevel(logLevel)
        if err != nil {
-               log.Fatalf("error loading LOG_LEVEL from .env file: %s", err)
-               return nil, nil, err
+               log.Fatalf("error loading LOG_LEVEL from .env file: %v", err)
+               return err
        }
        log.SetLevel(loglevel)
+       return nil
+}
+
+func logConfig(myEnv map[string]string, envFile string) {
+       log.Infof("imported .env: %s", envFile)
 
        log.Infof("KONG_DOMAIN %s", myEnv["KONG_DOMAIN"])
        log.Infof("KONG_PROTOCOL %s", myEnv["KONG_PROTOCOL"])
@@ -82,31 +107,34 @@ func ReadDotEnv() (map[string]string, map[string]int, error) {
        log.Infof("SERVICE_MANAGER_PORT %s", myEnv["SERVICE_MANAGER_PORT"])
        log.Infof("TEST_SERVICE_IPV4 %s", myEnv["TEST_SERVICE_IPV4"])
        log.Infof("TEST_SERVICE_PORT %s", myEnv["TEST_SERVICE_PORT"])
+}
 
-       var myPorts = make(map[string]int)
+func createMapPorts(myEnv map[string]string) (map[string]int, error) {
+    myPorts := make(map[string]int)
+       var err error
 
        myPorts["KONG_DATA_PLANE_PORT"], err = strconv.Atoi(myEnv["KONG_DATA_PLANE_PORT"])
        if err != nil {
                log.Fatalf("error loading KONG_DATA_PLANE_PORT from .env file: %s", err)
-               return nil, nil, err
+               return nil, err
        }
 
        myPorts["KONG_CONTROL_PLANE_PORT"], err = strconv.Atoi(myEnv["KONG_CONTROL_PLANE_PORT"])
        if err != nil {
                log.Fatalf("error loading KONG_CONTROL_PLANE_PORT from .env file: %s", err)
-               return nil, nil, err
+               return nil, err
        }
 
        myPorts["CAPIF_PORT"], err = strconv.Atoi(myEnv["CAPIF_PORT"])
        if err != nil {
                log.Fatalf("error loading CAPIF_PORT from .env file: %s", err)
-               return nil, nil, err
+               return nil, err
        }
 
        myPorts["SERVICE_MANAGER_PORT"], err = strconv.Atoi(myEnv["SERVICE_MANAGER_PORT"])
        if err != nil {
                log.Fatalf("error loading SERVICE_MANAGER_PORT from .env file: %s", err)
-               return nil, nil, err
+               return nil, err
        }
 
        // TEST_SERVICE_PORT is required for unit testing, but not required for production
@@ -114,9 +142,25 @@ func ReadDotEnv() (map[string]string, map[string]int, error) {
                myPorts["TEST_SERVICE_PORT"], err = strconv.Atoi(myEnv["TEST_SERVICE_PORT"])
                if err != nil {
                        log.Fatalf("error loading TEST_SERVICE_PORT from .env file: %s", err)
-                       return nil, nil, err
+                       return nil, err
                }
        }
 
-       return myEnv, myPorts, err
+       return myPorts, err
+}
+
+// MockConfigReader is a mock implementation for testing
+type MockConfigReader struct {
+    MockedConfig map[string]string
 }
+
+func (m *MockConfigReader) ReadDotEnv() (map[string]string, map[string]int, error) {
+       const envFile = "mock"
+
+       setLogLevel(m.MockedConfig["LOG_LEVEL"])
+       logConfig(m.MockedConfig, envFile)
+
+       // Return the mocked configuration for testing
+       myPorts, err := createMapPorts(m.MockedConfig)
+    return m.MockedConfig, myPorts, err
+}
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