feat: initial goget release — modern IPv6-first download utility

internal/protocol/webdav/save_resume_test.go

@@ -0,0 +1,61 @@
+//go:build linux || freebsd
+// +build linux freebsd
+
+package webdav
+
+import (
+	"net/url"
+	"path/filepath"
+	"testing"
+
+	"codeberg.org/petrbalvin/goget/internal/core"
+	"codeberg.org/petrbalvin/goget/internal/output"
+)
+
+// TestSaveWebDAVResume verifies the partial-progress sidecar written
+// by streamWebDAVBody on context cancellation. The ETag and
+// Last-Modified headers are preserved so the next --resume attempt
+// can send a matching If-Range and either continue or restart
+// cleanly depending on the server's view of the file.
+func TestSaveWebDAVResume(t *testing.T) {
+	tmp := t.TempDir()
+	out := filepath.Join(tmp, "file.bin")
+
+	u, _ := url.Parse("webdav://host/file.bin")
+	req := &core.DownloadRequest{
+		URL:    u,
+		Output: out,
+		Resume: true,
+	}
+	resumed := true
+
+	saveWebDAVResume(req, 8192, 1<<20, `"etag-abc"`, "Mon, 01 Jan 2026 00:00:00 GMT", resumed)
+
+	meta, err := output.LoadResumeMetadata(out)
+	if err != nil {
+		t.Fatalf("LoadResumeMetadata: %v", err)
+	}
+	if meta == nil {
+		t.Fatal("expected resume metadata, got nil")
+	}
+	if meta.Downloaded != 8192 {
+		t.Errorf("Downloaded = %d, want 8192", meta.Downloaded)
+	}
+	if meta.Total != 1<<20 {
+		t.Errorf("Total = %d, want %d", meta.Total, 1<<20)
+	}
+	if meta.ETag != `"etag-abc"` {
+		t.Errorf("ETag = %q", meta.ETag)
+	}
+	if meta.LastModified != "Mon, 01 Jan 2026 00:00:00 GMT" {
+		t.Errorf("LastModified = %q", meta.LastModified)
+	}
+
+	// Resume=false must short-circuit the save.
+	out2 := filepath.Join(tmp, "noresume.bin")
+	req.Resume = false
+	saveWebDAVResume(req, 4096, 1000, "", "", false)
+	if _, err := output.LoadResumeMetadata(out2); err != nil {
+		t.Fatalf("LoadResumeMetadata (noresume): %v", err)
+	}
+}