75 lines
2.6 KiB
Go
75 lines
2.6 KiB
Go
package web
|
|
|
|
import (
|
|
"strings"
|
|
"testing"
|
|
)
|
|
|
|
const shell = `<!doctype html>
|
|
<html lang="en">
|
|
<head>
|
|
<title>Urpi's backlog</title>
|
|
</head>
|
|
<body><div id="root"></div><script type="module" src="/src/main.tsx"></script></body>
|
|
</html>`
|
|
|
|
// TestThemeLinesAreAddedWhenConfigured is the whole feature: the contract reaches
|
|
// the page.
|
|
func TestThemeLinesAreAddedWhenConfigured(t *testing.T) {
|
|
got := string(applyThemeOrigin([]byte(shell), "https://bananas-dev.urpi.be"))
|
|
|
|
if !strings.Contains(got, `href="https://bananas-dev.urpi.be/rt/v1/contract.css"`) {
|
|
t.Errorf("the contract stylesheet was not added:\n%s", got)
|
|
}
|
|
if !strings.Contains(got, `src="https://bananas-dev.urpi.be/rt/v1/components.js"`) {
|
|
t.Errorf("the control module was not added:\n%s", got)
|
|
}
|
|
// Injected before </head>, so the stylesheet is parsed before the body renders. A
|
|
// contract that arrives late shows a flash of the fallback palette.
|
|
headClose := strings.Index(got, "</head>")
|
|
link := strings.Index(got, "contract.css")
|
|
if link < 0 || link > headClose {
|
|
t.Errorf("the contract link is not inside the head (link=%d, head=%d)", link, headClose)
|
|
}
|
|
// The application script must survive untouched.
|
|
if !strings.Contains(got, `src="/src/main.tsx"`) {
|
|
t.Error("the application script was altered")
|
|
}
|
|
}
|
|
|
|
func TestThemeOriginTrailingSlashIsTrimmed(t *testing.T) {
|
|
for _, base := range []string{
|
|
"https://bananas-dev.urpi.be/",
|
|
"https://bananas-dev.urpi.be///",
|
|
} {
|
|
got := string(applyThemeOrigin([]byte(shell), base))
|
|
if strings.Contains(got, "be//") {
|
|
t.Errorf("base %q produced a doubled slash:\n%s", base, got)
|
|
}
|
|
}
|
|
}
|
|
|
|
// TestNothingIsAddedWhenNoOriginIsConfigured is the branch that matters most: an
|
|
// unset or blank origin must leave the page byte-identical, because the stylesheet's
|
|
// var() fallbacks are what carry the application in that case.
|
|
func TestNothingIsAddedWhenNoOriginIsConfigured(t *testing.T) {
|
|
for _, base := range []string{"", " ", "\t", "/"} {
|
|
got := applyThemeOrigin([]byte(shell), base)
|
|
if string(got) != shell {
|
|
t.Errorf("base %q modified the shell:\n%s", base, got)
|
|
}
|
|
if strings.Contains(string(got), "rt/v1") {
|
|
t.Errorf("base %q left a contract reference behind:\n%s", base, got)
|
|
}
|
|
}
|
|
}
|
|
|
|
// TestShellWithoutHeadIsUnchanged covers a malformed shell. Returning the input
|
|
// unchanged is better than corrupting it, and better than a 500 on a page that would
|
|
// otherwise have rendered.
|
|
func TestShellWithoutHeadIsUnchanged(t *testing.T) {
|
|
odd := []byte("<html><body>no head</body></html>")
|
|
if got := applyThemeOrigin(odd, "https://bananas-dev.urpi.be"); string(got) != string(odd) {
|
|
t.Errorf("a shell with no head was modified:\n%s", got)
|
|
}
|
|
}
|