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// Copyright 2020 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package externalaccount
import (
"context"
"encoding/json"
"net/http"
"net/http/httptest"
"testing"
)
var myURLToken = "testTokenValue"
func TestRetrieveURLSubjectToken_Text(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.Method != "GET" {
t.Errorf("Unexpected request method, %v is found", r.Method)
}
if r.Header.Get("Metadata") != "True" {
t.Errorf("Metadata header not properly included.")
}
w.Write([]byte("testTokenValue"))
}))
heads := make(map[string]string)
heads["Metadata"] = "True"
cs := CredentialSource{
URL: ts.URL,
Format: format{Type: fileTypeText},
Headers: heads,
}
tfc := testFileConfig
tfc.CredentialSource = cs
base, err := tfc.parse(context.Background())
if err != nil {
t.Fatalf("parse() failed %v", err)
}
out, err := base.subjectToken()
if err != nil {
t.Fatalf("retrieveSubjectToken() failed: %v", err)
}
if out != myURLToken {
t.Errorf("got %v but want %v", out, myURLToken)
}
}
// Checking that retrieveSubjectToken properly defaults to type text
func TestRetrieveURLSubjectToken_Untyped(t *testing.T) {
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if r.Method != "GET" {
t.Errorf("Unexpected request method, %v is found", r.Method)
}
w.Write([]byte("testTokenValue"))
}))
cs := CredentialSource{
URL: ts.URL,
}
tfc := testFileConfig
tfc.CredentialSource = cs
base, err := tfc.parse(context.Background())
if err != nil {
t.Fatalf("parse() failed %v", err)
}
out, err := base.subjectToken()
if err != nil {
t.Fatalf("Failed to retrieve URL subject token: %v", err)
}
if out != myURLToken {
t.Errorf("got %v but want %v", out, myURLToken)
}
}
func TestRetrieveURLSubjectToken_JSON(t *testing.T) {
type tokenResponse struct {
TestToken string `json:"SubjToken"`
}
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
if got, want := r.Method, "GET"; got != want {
t.Errorf("got %v, but want %v", r.Method, want)
}
resp := tokenResponse{TestToken: "testTokenValue"}
jsonResp, err := json.Marshal(resp)
if err != nil {
t.Errorf("Failed to marshal values: %v", err)
}
w.Write(jsonResp)
}))
cs := CredentialSource{
URL: ts.URL,
Format: format{Type: fileTypeJSON, SubjectTokenFieldName: "SubjToken"},
}
tfc := testFileConfig
tfc.CredentialSource = cs
base, err := tfc.parse(context.Background())
if err != nil {
t.Fatalf("parse() failed %v", err)
}
out, err := base.subjectToken()
if err != nil {
t.Fatalf("%v", err)
}
if out != myURLToken {
t.Errorf("got %v but want %v", out, myURLToken)
}
}
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