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|
package http
import (
"bytes"
"context"
"io"
"strings"
"testing"
smithyio "github.com/aws/smithy-go/io"
"github.com/aws/smithy-go/middleware"
)
func TestChecksumMiddleware(t *testing.T) {
cases := map[string]struct {
payload io.Reader
expectedPayloadLength int64
expectedMD5Checksum string
expectError string
}{
"empty body": {
payload: smithyio.ReadSeekNopCloser{
ReadSeeker: bytes.NewReader([]byte(``)),
},
expectedPayloadLength: 0,
expectedMD5Checksum: "1B2M2Y8AsgTpgAmY7PhCfg==",
},
"standard req body": {
payload: smithyio.ReadSeekNopCloser{
ReadSeeker: bytes.NewReader([]byte(`abc`)),
},
expectedPayloadLength: 3,
expectedMD5Checksum: "kAFQmDzST7DWlj99KOF/cg==",
},
"nil body": {},
"unseekable payload": {
payload: bytes.NewBuffer([]byte(`xyz`)),
expectError: "unseekable stream is not supported",
},
}
for name, c := range cases {
t.Run(name, func(t *testing.T) {
var err error
req := NewStackRequest().(*Request)
req, err = req.SetStream(c.payload)
if err != nil {
t.Fatalf("error setting request stream")
}
m := contentMD5Checksum{}
_, _, err = m.HandleBuild(context.Background(),
middleware.BuildInput{Request: req},
nopBuildHandler,
)
if len(c.expectError) != 0 {
if err == nil {
t.Fatalf("expect error, got none")
}
if e, a := c.expectError, err.Error(); !strings.Contains(a, e) {
t.Fatalf("expect error to contain %q, got %v", e, a)
}
return
} else if err != nil {
t.Fatalf("expect no error, got %v", err)
}
if e, a := c.expectedMD5Checksum, req.Header.Get(contentMD5Header); e != a {
t.Errorf("expect md5 checksum : %v, got %v", e, a)
}
size, ok, err := req.StreamLength()
if err != nil {
t.Fatalf("error fetching request stream length")
}
if !ok {
t.Fatalf("request stream is not seekable")
}
if e, a := c.expectedPayloadLength, size; e != a {
t.Fatalf("expected request stream content length to be %v, got length %v", e, a)
}
})
}
}
|
