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|
package imds
import (
"context"
"net/http"
"net/http/httptest"
"strconv"
"strings"
"testing"
"time"
"github.com/google/go-cmp/cmp"
)
func TestGetToken(t *testing.T) {
cases := map[string]struct {
TokenTTL time.Duration
Header http.Header
Body []byte
ExpectToken string
ExpectTokenTTL time.Duration
ExpectTrace []string
ExpectErr string
}{
"success": {
TokenTTL: 10 * time.Second,
Header: http.Header{
tokenTTLHeader: []string{"10"},
},
Body: []byte("tokenABC"),
ExpectToken: "tokenABC",
ExpectTokenTTL: 10 * time.Second,
ExpectTrace: []string{
getTokenPath,
},
},
}
ctx := context.Background()
for name, c := range cases {
t.Run(name, func(t *testing.T) {
trace := newRequestTrace()
server := httptest.NewServer(trace.WrapHandler(
http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
actualTTL := r.Header.Get(tokenTTLHeader)
expectTTL := strconv.Itoa(int(c.TokenTTL / time.Second))
if expectTTL != actualTTL {
t.Errorf("expect %v token TTL request header, got %v",
expectTTL, actualTTL)
http.Error(w, http.StatusText(400), 400)
return
}
(&successAPIResponseHandler{t: t,
path: getTokenPath,
method: "PUT",
header: c.Header,
body: append([]byte{}, c.Body...),
}).ServeHTTP(w, r)
})))
defer server.Close()
// Asserts
client := New(Options{
Endpoint: server.URL,
})
resp, err := client.getToken(ctx, &getTokenInput{
TokenTTL: c.TokenTTL,
})
if len(c.ExpectErr) != 0 {
if err == nil {
t.Fatalf("expect error, got none")
}
if e, a := c.ExpectErr, err.Error(); !strings.Contains(a, e) {
t.Fatalf("expect error to contain %v, got %v", e, a)
}
return
}
if err != nil {
t.Fatalf("expect no error, got %v", err)
}
if resp == nil {
t.Fatalf("expect resp, got none")
}
if e, a := c.ExpectToken, resp.Token; e != a {
t.Errorf("expect %v token, got %v", e, a)
}
if e, a := c.ExpectTokenTTL, resp.TokenTTL; e != a {
t.Errorf("expect %v token TTL, got %v", e, a)
}
if diff := cmp.Diff(c.ExpectTrace, trace.requests); len(diff) != 0 {
t.Errorf("expect trace to match\n%s", diff)
}
})
}
}
|
