我有一個返回特定類型客戶端的函數，我想通過檢查返回的變量類型是否為 type 來測試該函數azblob.BlockBlobClient。當我使用一個簡單的if語句來檢查這樣的類型時：if var == azblob.BlockBlobClient我得到了錯誤azblob.BlockBlobClient (type) is not an expressiontesting使用標準包測試變量類型的正確方法是什么？非常感謝！//函數func getClient(blob, container string) azblob.BlockBlobClient { storageAccount := os.Getenv("AZURE_STORAGE_ACCOUNT_NAME") cred, err := azidentity.NewDefaultAzureCredential(nil) if err != nil { log.Fatal("Invalid credentials with error:" + err.Error()) } blobUrl := fmt.Sprintf("https://%s.blob.core.windows.net/%s/%s", storageAccount, container, blob) fmt.Println(blobUrl) client, err := azblob.NewBlockBlobClient(blobUrl, cred, nil) if err != nil { log.Fatal("Unable to create blob client") } return client}//測試package main import ( "testing" "os" "github.com/Azure/azure-sdk-for-go/sdk/storage/azblob")func TestgetClient(t *testing.T){ blob := "text.txt" container := "testcontainer" os.Setenv("AZURE_STORAGE_ACCOUNT_NAME", "mystorageaccount") client := getClient(blob, container) if client != azblob.BlockBlobClient { t.ErrorF("Client should be type BlockBlobClient") }}
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TA貢獻1865條經驗 獲得超7個贊
你真的不需要這樣做，因為你寫的函數只返回azblob.BlockBlobClient類型，編譯器甚至會在構建測試之前檢查它。如果不是這種情況，測試將無法運行。
我做了以下更改以顯示這一點：
//函數
package main
import (
"fmt"
"log"
"os"
"github.com/Azure/azure-sdk-for-go/sdk/azidentity"
"github.com/Azure/azure-sdk-for-go/sdk/storage/azblob"
)
func getClient(blob, container string) interface{} {
storageAccount := os.Getenv("AZURE_STORAGE_ACCOUNT_NAME")
cred, err := azidentity.NewDefaultAzureCredential(nil)
if err != nil {
log.Fatal("Invalid credentials with error:" + err.Error())
}
blobUrl := fmt.Sprintf("https://%s.blob.core.windows.net/%s/%s", storageAccount, container, blob)
fmt.Println(blobUrl)
client, err := azblob.NewBlockBlobClient(blobUrl, cred, nil)
if err != nil {
log.Fatal("Unable to create blob client")
}
return client
}
//測試
package main
import (
"os"
"testing"
"github.com/Azure/azure-sdk-for-go/sdk/storage/azblob"
)
func TestgetClient(t *testing.T) {
blob := "text.txt"
container := "testcontainer"
os.Setenv("AZURE_STORAGE_ACCOUNT_NAME", "mystorageaccount")
client := getClient(blob, container)
_, ok := client.(azblob.BlockBlobClient)
if !ok {
t.Errorf("client should be type BlockBlobClient")
}
}
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