Pulse/internal/api/frontend_embed_test.go
2026-07-07 09:54:14 +01:00

170 lines
4.9 KiB
Go

package api
import (
"context"
"io"
"net/http"
"net/http/httptest"
"os"
"strings"
"sync"
"testing"
)
func resetDevProxy() {
devProxyOnce = sync.Once{}
devProxy = nil
devProxyErr = nil
}
func TestGetFrontendDevProxy(t *testing.T) {
resetDevProxy()
t.Setenv("FRONTEND_DEV_SERVER", "http://localhost:1234")
proxy, err := getFrontendDevProxy()
if err != nil {
t.Fatalf("unexpected error: %v", err)
}
if proxy == nil {
t.Fatalf("expected proxy to be initialized")
}
resetDevProxy()
t.Setenv("FRONTEND_DEV_SERVER", "://bad-url")
if _, err := getFrontendDevProxy(); err == nil {
t.Fatalf("expected error for invalid URL")
}
}
func TestGetFrontendFS_Override(t *testing.T) {
tmp := t.TempDir()
indexPath := tmp + "/index.html"
if err := os.WriteFile(indexPath, []byte("hello"), 0o644); err != nil {
t.Fatalf("write index: %v", err)
}
t.Setenv("PULSE_FRONTEND_DIR", tmp)
fs, err := getFrontendFS()
if err != nil {
t.Fatalf("getFrontendFS: %v", err)
}
f, err := fs.Open("index.html")
if err != nil {
t.Fatalf("open index: %v", err)
}
defer f.Close()
content, err := io.ReadAll(f)
if err != nil {
t.Fatalf("read index: %v", err)
}
if string(content) != "hello" {
t.Fatalf("unexpected content: %q", string(content))
}
}
func TestServeFrontendHandler_StaticAndSPA(t *testing.T) {
resetDevProxy()
t.Setenv("FRONTEND_DEV_SERVER", "")
tmp := t.TempDir()
if err := os.MkdirAll(tmp+"/assets", 0o755); err != nil {
t.Fatalf("mkdir assets: %v", err)
}
if err := os.WriteFile(tmp+"/index.html", []byte("<html>ok</html>"), 0o644); err != nil {
t.Fatalf("write index: %v", err)
}
if err := os.WriteFile(tmp+"/logo.svg", []byte("<svg></svg>"), 0o644); err != nil {
t.Fatalf("write svg: %v", err)
}
if err := os.WriteFile(tmp+"/assets/index-abc123.css", []byte("body{}"), 0o644); err != nil {
t.Fatalf("write css: %v", err)
}
t.Setenv("PULSE_FRONTEND_DIR", tmp)
handler := serveFrontendHandler()
req := httptest.NewRequest(http.MethodGet, "/", nil)
rec := httptest.NewRecorder()
handler(rec, req)
if rec.Code != http.StatusOK {
t.Fatalf("root status = %d", rec.Code)
}
if ct := rec.Header().Get("Content-Type"); !strings.Contains(ct, "text/html") {
t.Fatalf("expected html content type, got %q", ct)
}
if cc := rec.Header().Get("Cache-Control"); cc == "" {
t.Fatalf("expected cache control headers")
}
req = httptest.NewRequest(http.MethodGet, "/assets/index-abc123.css", nil)
rec = httptest.NewRecorder()
handler(rec, req)
if rec.Code != http.StatusOK {
t.Fatalf("hashed css status = %d", rec.Code)
}
if cc := rec.Header().Get("Cache-Control"); !strings.Contains(cc, "immutable") {
t.Fatalf("expected immutable cache control, got %q", cc)
}
req = httptest.NewRequest(http.MethodGet, "/logo.svg", nil)
rec = httptest.NewRecorder()
handler(rec, req)
if rec.Code != http.StatusOK {
t.Fatalf("svg status = %d", rec.Code)
}
if ct := rec.Header().Get("Content-Type"); ct != "image/svg+xml" {
t.Fatalf("expected svg content type, got %q", ct)
}
if cc := rec.Header().Get("Cache-Control"); !strings.Contains(cc, "no-cache") {
t.Fatalf("expected no-cache headers, got %q", cc)
}
req = httptest.NewRequest(http.MethodGet, "/app/settings", nil)
rec = httptest.NewRecorder()
handler(rec, req)
if rec.Code != http.StatusOK {
t.Fatalf("spa route status = %d", rec.Code)
}
if ct := rec.Header().Get("Content-Type"); !strings.Contains(ct, "text/html") {
t.Fatalf("expected html content type for spa, got %q", ct)
}
req = httptest.NewRequest(http.MethodGet, "/api/unknown", nil)
rec = httptest.NewRecorder()
handler(rec, req)
if rec.Code != http.StatusNotFound {
t.Fatalf("api route status = %d", rec.Code)
}
}
func TestServeIndexWithNonceAddsNonceToGeneratedInlineTags(t *testing.T) {
content := []byte(`<html><head>` +
`<script type="importmap">{"integrity":{}}</script>` +
`<script src="/assets/index.js"></script>` +
`<style>body{color:#111}</style>` +
`<script nonce="__CSP_NONCE__">window.__theme="dark"</script>` +
`</head><body></body></html>`)
req := httptest.NewRequest(http.MethodGet, "/", nil)
req = req.WithContext(context.WithValue(req.Context(), cspNonceKey{}, "test-nonce"))
rec := httptest.NewRecorder()
serveIndexWithNonce(rec, req, content)
body := rec.Body.String()
if strings.Contains(body, "__CSP_NONCE__") {
t.Fatalf("expected nonce placeholder to be replaced, got body %q", body)
}
if !strings.Contains(body, `<script type="importmap" nonce="test-nonce">`) {
t.Fatalf("expected import map script to receive nonce, got body %q", body)
}
if !strings.Contains(body, `<style nonce="test-nonce">body{color:#111}</style>`) {
t.Fatalf("expected inline style to receive nonce, got body %q", body)
}
if !strings.Contains(body, `<script src="/assets/index.js"></script>`) {
t.Fatalf("expected external script to remain without nonce, got body %q", body)
}
if got := strings.Count(body, `nonce="test-nonce"`); got != 3 {
t.Fatalf("nonce count = %d, want 3 in body %q", got, body)
}
}