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builder.go
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/
builder.go
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package request
import (
"bytes"
"fmt"
"io"
"net/http"
"net/http/httptest"
)
// Builder allows to create HTTP requests with a convenient API.
type Builder struct {
r *http.Request
}
// NewTestBuilder returns a new Builder initialized with httptest.NewRequest
func NewTestBuilder(method, target string, body interface{}) Builder {
var reader io.Reader
if body != nil {
switch body := body.(type) {
case string:
reader = bytes.NewReader(([]byte)(body))
case []byte:
reader = bytes.NewReader(body)
case io.Reader:
reader = body
default:
panic(fmt.Errorf("Unsupported body type: %T", body))
}
}
return Builder{
r: httptest.NewRequest(method, target, reader),
}
}
// WithHeader sets the header key to value
func (b Builder) WithHeader(key, value string) Builder {
b.r.Header.Set(key, value)
return b
}
// Request returns the request
func (b Builder) Request() *http.Request {
return b.r
}