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mock.go
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mock.go
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package awsbase
import (
"bytes"
"fmt"
"log"
"net/http"
"net/http/httptest"
"time"
"github.com/aws/aws-sdk-go/aws"
awsCredentials "github.com/aws/aws-sdk-go/aws/credentials"
"github.com/aws/aws-sdk-go/aws/session"
)
// GetMockedAwsApiSession establishes a httptest server to simulate behaviour
// of a real AWS API server
func GetMockedAwsApiSession(svcName string, endpoints []*MockEndpoint) (func(), *session.Session, error) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
buf := new(bytes.Buffer)
if _, err := buf.ReadFrom(r.Body); err != nil {
w.WriteHeader(500)
fmt.Fprintf(w, "Error reading from HTTP Request Body: %s", err)
return
}
requestBody := buf.String()
log.Printf("[DEBUG] Received %s API %q request to %q: %s",
svcName, r.Method, r.RequestURI, requestBody)
for _, e := range endpoints {
if r.Method == e.Request.Method && r.RequestURI == e.Request.Uri && requestBody == e.Request.Body {
log.Printf("[DEBUG] Mocked %s API responding with %d: %s",
svcName, e.Response.StatusCode, e.Response.Body)
w.WriteHeader(e.Response.StatusCode)
w.Header().Set("Content-Type", e.Response.ContentType)
w.Header().Set("X-Amzn-Requestid", "1b206dd1-f9a8-11e5-becf-051c60f11c4a")
w.Header().Set("Date", time.Now().Format(time.RFC1123))
fmt.Fprintln(w, e.Response.Body)
return
}
}
w.WriteHeader(400)
}))
sc := awsCredentials.NewStaticCredentials("accessKey", "secretKey", "")
sess, err := session.NewSession(&aws.Config{
Credentials: sc,
Region: aws.String("us-east-1"),
Endpoint: aws.String(ts.URL),
CredentialsChainVerboseErrors: aws.Bool(true),
})
return ts.Close, sess, err
}
type MockEndpoint struct {
Request *MockRequest
Response *MockResponse
}
type MockRequest struct {
Method string
Uri string
Body string
}
type MockResponse struct {
StatusCode int
Body string
ContentType string
}