micro/config/issue18_test.go

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2019-05-30 23:11:13 +01:00
package config
import (
"fmt"
"os"
"path/filepath"
"testing"
"time"
"github.com/micro/go-micro/config/source/env"
"github.com/micro/go-micro/config/source/file"
)
func createFileForIssue18(t *testing.T, content string) *os.File {
data := []byte(content)
path := filepath.Join(os.TempDir(), fmt.Sprintf("file.%d", time.Now().UnixNano()))
fh, err := os.Create(path)
if err != nil {
t.Error(err)
}
_, err = fh.Write(data)
if err != nil {
t.Error(err)
}
return fh
}
func TestIssue18(t *testing.T) {
fh := createFileForIssue18(t, `{
"amqp": {
"host": "rabbit.platform",
"port": 80
},
"handler": {
"exchange": "springCloudBus"
}
}`)
path := fh.Name()
defer func() {
fh.Close()
os.Remove(path)
}()
os.Setenv("AMQP_HOST", "rabbit.testing.com")
conf := NewConfig()
conf.Load(
file.NewSource(
file.WithPath(path),
),
env.NewSource(),
)
actualHost := conf.Get("amqp", "host").String("backup")
if actualHost != "rabbit.testing.com" {
t.Fatalf("Expected %v but got %v",
"rabbit.testing.com",
actualHost)
}
}