feat: ConvertGUI v2.0 (Wails + preview/trim + NSIS + Gitea CI)

internal/preview/server_test.go

@@ -0,0 +1,87 @@
+package preview
+
+import (
+	"io"
+	"net/http"
+	"os/exec"
+	"path/filepath"
+	"testing"
+
+	"convert/internal/media"
+)
+
+func TestPreviewServer_RangeThumbAndProxy(t *testing.T) {
+	bins := media.FindBinaries("", "")
+	if bins.FFmpeg == "" || bins.FFprobe == "" {
+		t.Skip("ffmpeg/ffprobe not installed")
+	}
+
+	tmpDir := t.TempDir()
+	src := filepath.Join(tmpDir, "clip.mkv")
+	gen := exec.Command(bins.FFmpeg,
+		"-hide_banner", "-loglevel", "error",
+		"-f", "lavfi", "-i", "testsrc=duration=2:size=320x180:rate=30",
+		"-f", "lavfi", "-i", "sine=frequency=440:duration=2",
+		"-c:v", "libx264", "-preset", "ultrafast", "-c:a", "aac", "-y", src,
+	)
+	if out, err := gen.CombinedOutput(); err != nil {
+		t.Fatalf("failed generating sample mkv: %v (%s)", err, string(out))
+	}
+
+	info, err := media.Probe(bins.FFprobe, src)
+	if err != nil {
+		t.Fatalf("probe failed: %v", err)
+	}
+
+	srv, err := Start(bins.FFmpeg)
+	if err != nil {
+		t.Fatalf("preview server start failed: %v", err)
+	}
+	defer srv.Close()
+
+	id := srv.Register(info)
+
+	// 1. Test Range request on /video
+	req, _ := http.NewRequest("GET", srv.BaseURL()+"/video?id="+id, nil)
+	req.Header.Set("Range", "bytes=0-127")
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		t.Fatalf("GET /video failed: %v", err)
+	}
+	resp.Body.Close()
+	if resp.StatusCode != http.StatusPartialContent {
+		t.Fatalf("expected 206 Partial Content, got %d", resp.StatusCode)
+	}
+
+	// 2. Test /thumb JPEG generation
+	tResp, err := http.Get(srv.BaseURL() + "/thumb?id=" + id + "&t=0.5")
+	if err != nil {
+		t.Fatalf("GET /thumb failed: %v", err)
+	}
+	tBody, _ := io.ReadAll(tResp.Body)
+	tResp.Body.Close()
+	if tResp.StatusCode != http.StatusOK || len(tBody) < 100 || tBody[0] != 0xFF || tBody[1] != 0xD8 {
+		t.Fatalf("expected valid JPEG thumbnail, status=%d len=%d", tResp.StatusCode, len(tBody))
+	}
+
+	// 3. Test /proxy MKV -> MP4 remux
+	pResp, err := http.Get(srv.BaseURL() + "/proxy?id=" + id + "&merge=0")
+	if err != nil {
+		t.Fatalf("GET /proxy failed: %v", err)
+	}
+	pBody, _ := io.ReadAll(pResp.Body)
+	pResp.Body.Close()
+	if pResp.StatusCode != http.StatusOK || len(pBody) < 500 {
+		t.Fatalf("expected valid MP4 proxy, status=%d len=%d", pResp.StatusCode, len(pBody))
+	}
+
+	// 4. Test unknown ID returns 404
+	nfResp, err := http.Get(srv.BaseURL() + "/video?id=nonexistent")
+	if err != nil {
+		t.Fatalf("GET /video 404 failed: %v", err)
+	}
+	nfResp.Body.Close()
+	if nfResp.StatusCode != http.StatusNotFound {
+		t.Fatalf("expected 404, got %d", nfResp.StatusCode)
+	}
+}