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package s3shared
import (
"context"
"github.com/aws/aws-sdk-go-v2/internal/awstesting"
"github.com/aws/smithy-go/middleware"
smithyhttp "github.com/aws/smithy-go/transport/http"
"testing"
)
// unit test for service/internal/s3shared/s3100continue.go
func TestAdd100ContinueHttpHeader(t *testing.T) {
const HeaderKey = "Expect"
HeaderValue := "100-continue"
cases := map[string]struct {
ContentLength int64
Body *awstesting.ReadCloser
ExpectValueFound string
ContinueHeaderThresholdBytes int64
}{
"http request smaller than default 2MB": {
ContentLength: 1,
Body: &awstesting.ReadCloser{Size: 1},
ExpectValueFound: "",
},
"http request smaller than configured threshold": {
ContentLength: 1024 * 1024 * 2,
Body: &awstesting.ReadCloser{Size: 1024 * 1024 * 2},
ExpectValueFound: "",
ContinueHeaderThresholdBytes: 1024 * 1024 * 3,
},
"http request larger than default 2MB": {
ContentLength: 1024 * 1024 * 3,
Body: &awstesting.ReadCloser{Size: 1024 * 1024 * 3},
ExpectValueFound: HeaderValue,
},
"http request larger than configured threshold": {
ContentLength: 1024 * 1024 * 4,
Body: &awstesting.ReadCloser{Size: 1024 * 1024 * 4},
ExpectValueFound: HeaderValue,
ContinueHeaderThresholdBytes: 1024 * 1024 * 3,
},
"http put request with unknown -1 ContentLength": {
ContentLength: -1,
Body: &awstesting.ReadCloser{Size: 1024 * 1024 * 10},
ExpectValueFound: HeaderValue,
},
"http put request with 0 ContentLength but unknown non-nil body": {
ContentLength: 0,
Body: &awstesting.ReadCloser{Size: 1024 * 1024 * 3},
ExpectValueFound: HeaderValue,
},
"http put request with unknown -1 ContentLength and configured threshold": {
ContentLength: -1,
Body: &awstesting.ReadCloser{Size: 1024 * 1024 * 3},
ExpectValueFound: HeaderValue,
ContinueHeaderThresholdBytes: 1024 * 1024 * 10,
},
"http put request with continue header disabled": {
ContentLength: 1024 * 1024 * 3,
Body: &awstesting.ReadCloser{Size: 1024 * 1024 * 3},
ExpectValueFound: "",
ContinueHeaderThresholdBytes: -1,
},
}
for name, c := range cases {
t.Run(name, func(t *testing.T) {
var err error
req := smithyhttp.NewStackRequest().(*smithyhttp.Request)
req.ContentLength = c.ContentLength
req.Body = c.Body
var updatedRequest *smithyhttp.Request
m := s3100Continue{
continueHeaderThresholdBytes: c.ContinueHeaderThresholdBytes,
}
_, _, err = m.HandleBuild(context.Background(),
middleware.BuildInput{Request: req},
middleware.BuildHandlerFunc(func(ctx context.Context, input middleware.BuildInput) (
out middleware.BuildOutput, metadata middleware.Metadata, err error) {
updatedRequest = input.Request.(*smithyhttp.Request)
return out, metadata, nil
}),
)
if err != nil {
t.Fatalf("expect no error, got %v", err)
}
if e, a := c.ExpectValueFound, updatedRequest.Header.Get(HeaderKey); e != a {
t.Errorf("expect header value %v found, got %v", e, a)
}
})
}
}
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