webui_embed_test.go RawHistoryFolder

1package assets
2
3import (
4	"bytes"
5	"io"
6	"os"
7	"testing"
8
9	"github.com/andybalholm/brotli"
10)
11
12func TestWebUIAssetsIncludesCompressedSystemviewsWASM(t *testing.T) {
13	compressed, err := WebUIAssets.ReadFile("systemviews/systemviews.wasm.br")
14	if err != nil {
15		if os.Getenv("DUMBER_REQUIRE_SYSTEMVIEWS_WASM") == "" {
16			t.Skipf("generated systemviews WASM asset not present; run make build-systemviews: %v", err)
17		}
18		t.Fatalf("read embedded systemviews WASM asset: %v", err)
19	}
20	if len(compressed) == 0 {
21		t.Fatal("embedded systemviews WASM asset is empty")
22	}
23
24	reader := brotli.NewReader(bytes.NewReader(compressed))
25	header := make([]byte, 8)
26	if _, err := io.ReadFull(reader, header); err != nil {
27		t.Fatalf("decompress embedded systemviews WASM header: %v", err)
28	}
29
30	wantHeader := []byte{0x00, 'a', 's', 'm', 0x01, 0x00, 0x00, 0x00}
31	if !bytes.Equal(header, wantHeader) {
32		t.Fatalf("embedded systemviews asset is not a WASM module: got header % x", header)
33	}
34	if _, err := io.ReadAll(reader); err != nil {
35		t.Fatalf("decompress embedded systemviews WASM body: %v", err)
36	}
37}