feat(executor/http): http Executor can be configured as "no follow re…

…direct" (#175)

Signed-off-by: Romain Beuque <rbeuque74@gmail.com>

executors/http/README.md

@@ -15,7 +15,8 @@ In your yaml file, you can use:
   - proxy optional: set to use a proxy server for connection to url
   - ignore_verify_ssl optional: set to true if you use a self-signed SSL on remote for example
   - basic_auth_user optional: username to use for HTTP basic authentification
-  - basic_auth_password optional: password to use for HTTP basic authentification 
+  - basic_auth_password optional: password to use for HTTP basic authentification
+  - no_follow_redirect optional: indicates that you don't want to follow Location if server returns a Redirect (301/302/...)
   - skip_body: skip the body and bodyjson result
   - skip_headers: skip the headers result
 

executors/http/executor.go

@@ -46,6 +46,7 @@ type Executor struct {
 	SkipHeaders       bool        `json:"skip_headers" yaml:"skip_headers" mapstructure:"skip_headers"`
 	SkipBody          bool        `json:"skip_body" yaml:"skip_body" mapstructure:"skip_body"`
 	Proxy             string      `json:"proxy" yaml:"proxy" mapstructure:"proxy"`
+	NoFollowRedirect  bool        `json:"no_follow_redirect" yaml:"no_follow_redirect" mapstructure:"no_follow_redirect"`
 }
 
 // Result represents a step result. Json and yaml descriptor are used for json output
@@ -111,6 +112,11 @@ func (Executor) Run(testCaseContext venom.TestCaseContext, l venom.Logger, step
 		tr.Proxy = http.ProxyURL(proxyURL)
 	}
 	client := &http.Client{Transport: tr}
+	if e.NoFollowRedirect {
+		client.CheckRedirect = func(req *http.Request, via []*http.Request) error {
+			return http.ErrUseLastResponse
+		}
+	}
 
 	start := time.Now()
 	l.Debugf("http.Run.doRequest> Begin")