/
context.go
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/
context.go
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// Copyright (c) 2022 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package yarpctest
import (
"context"
"go.uber.org/yarpc/api/transport"
"go.uber.org/yarpc/internal/inboundcall"
)
// Call specifies metadata for ContextWithCall.
type Call struct {
Caller string
Service string
Transport string
Procedure string
Encoding transport.Encoding
Headers map[string]string
ShardKey string
RoutingKey string
RoutingDelegate string
CallerProcedure string
// If set, this map will be filled with response headers written to
// yarpc.Call.
ResponseHeaders map[string]string
}
// ContextWithCall builds a Context which will yield the provided request
// metadata when used with yarpc.CallFromContext.
//
// ctx := yarpctest.ContextWithCall(ctx, &Call{..})
// handler.GetValue(ctx, &Request{...})
//
func ContextWithCall(ctx context.Context, call *Call) context.Context {
if call == nil {
return ctx // no-op
}
return inboundcall.WithMetadata(ctx, callMetadata{call})
}
type callMetadata struct{ c *Call }
func (c callMetadata) WriteResponseHeader(k string, v string) error {
if c.c.ResponseHeaders != nil {
c.c.ResponseHeaders[k] = v
}
return nil
}
func (c callMetadata) Caller() string { return c.c.Caller }
func (c callMetadata) Service() string { return c.c.Service }
func (c callMetadata) Transport() string { return c.c.Transport }
func (c callMetadata) Procedure() string { return c.c.Procedure }
func (c callMetadata) Encoding() transport.Encoding { return c.c.Encoding }
func (c callMetadata) CallerProcedure() string { return c.c.CallerProcedure }
func (c callMetadata) Headers() transport.Headers {
return transport.HeadersFromMap(c.c.Headers)
}
func (c callMetadata) ShardKey() string { return c.c.ShardKey }
func (c callMetadata) RoutingKey() string { return c.c.RoutingKey }
func (c callMetadata) RoutingDelegate() string { return c.c.RoutingDelegate }