integration: check for profile cookies (#4847)

Update the authentication flow integration test to verify that the
pomerium_identity_profile cookies are not present for the stateful
authentication flow.

integration/authentication_test.go

@@ -12,6 +12,7 @@ import (
 	"github.com/stretchr/testify/require"
 
 	"github.com/pomerium/pomerium/integration/flows"
+	"github.com/pomerium/pomerium/pkg/slices"
 )
 
 func TestRouteSessions(t *testing.T) {
@@ -48,6 +49,14 @@ func TestRouteSessions(t *testing.T) {
 		// Under the stateful authenticate flow, the two routes should share
 		// the same session.
 		assert.Equal(t, claims1.ID, claims2.ID)
+
+		// The only cookies set on the authenticate service domain should be
+		// "_pomerium_authenticate" and "_pomerium_csrf". (No identity profile
+		// cookies should be present.)
+		c := client.Jar.Cookies(mustParseURL("https://authenticate.localhost.pomerium.io"))
+		assert.Equal(t, 2, len(c))
+		cookieNames := slices.Map(c, func(c *http.Cookie) string { return c.Name })
+		assert.ElementsMatch(t, []string{"_pomerium_authenticate", "_pomerium_csrf"}, cookieNames)
 	}
 }
 

pkg/slices/slices.go

@@ -22,6 +22,16 @@ func Filter[S ~[]E, E any](s S, f func(E) bool) S {
 	return ns
 }
 
+// Map constructs a new slice containing the elements obtained by invoking the
+// function f on each element of s.
+func Map[S ~[]E, E, T any](s S, f func(E) T) []T {
+	ns := make([]T, len(s))
+	for i := range s {
+		ns[i] = f(s[i])
+	}
+	return ns
+}
+
 // Remove removes e from s.
 func Remove[S ~[]E, E comparable](s S, e E) S {
 	var ns S

pkg/slices/slices_test.go

@@ -1,11 +1,23 @@
 package slices
 
 import (
+	"strings"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
 )
 
+func TestMap(t *testing.T) {
+	t.Parallel()
+
+	in := []string{"one", "two", "three", "four"}
+
+	assert.Equal(t, []string{"ONE", "TWO", "THREE", "FOUR"}, Map(in, strings.ToUpper))
+
+	stringLen := func(s string) int { return len(s) }
+	assert.Equal(t, []int{3, 3, 5, 4}, Map(in, stringLen))
+}
+
 func TestReverse(t *testing.T) {
 	t.Parallel()