update gui

internal/app/server_test.go

@@ -8,6 +8,35 @@ import (
 	"time"
 )
 
+func TestEveryPageUsesStandaloneLogoMarkAsFavicon(t *testing.T) {
+	t.Parallel()
+	for _, file := range []string{
+		"templates/audit.html",
+		"templates/hosts.html",
+		"templates/login.html",
+		"templates/packages.html",
+		"templates/portal.html",
+	} {
+		content, err := webFiles.ReadFile(file)
+		if err != nil {
+			t.Fatal(err)
+		}
+		if !strings.Contains(
+			string(content),
+			`<link rel="icon" type="image/svg+xml" href="/static/ta-mark.svg">`,
+		) {
+			t.Errorf("%s does not reference the standalone logo favicon", file)
+		}
+	}
+	mark, err := webFiles.ReadFile("static/ta-mark.svg")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if bytes.Count(mark, []byte("<polygon")) != 4 {
+		t.Fatal("standalone logo favicon does not contain the four original mark polygons")
+	}
+}
+
 func TestPortalTemplateExecutes(t *testing.T) {
 	t.Parallel()
 	templates, err := parseTemplates(time.UTC)