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cdp: call Page.getFrameTree on startup when possible

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This commit is contained in:
Pierre Tachoire
2026-03-21 16:07:48 +01:00
parent 6925fc3f70
commit 384b2f7614
1 changed files with 18 additions and 21 deletions
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39
src/cdp/cdp.zig
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@@ -191,30 +191,19 @@ pub fn CDPT(comptime TypeProvider: type) type {
// Stagehand parses the response and error if we don't return a
// correct one for this call.
if (std.mem.eql(u8, method, "Page.getFrameTree")) {
// If a real page already exists (connectOverCDP flow), return
// its actual frame ID so that subsequent lifecycle events
// (frameNavigated, etc.) match the driver's frame tracking.
// If we have a brower context and a target id, we can call the
// real dispatch command, even during STARTUP.
if (command.cdp.browser_context) |*bc| {
if (bc.target_id) |*target_id| {
return command.sendResult(.{
.frameTree = .{
.frame = .{
.id = target_id,
.loaderId = "LOADERID24DD2FD56CF1EF33C965C79C",
.securityOrigin = URL_BASE,
.url = bc.getURL() orelse "about:blank",
.secureContextType = "Secure",
},
},
}, .{});
if (bc.target_id != null) {
return dispatchCommand(command, method);
}
}
// No real page yet - return the synthetic STARTUP frame ID.
return command.sendResult(.{
.frameTree = .{
.frame = .{
.id = "TID-STARTUP",
.loaderId = "LOADERID24DD2FD56CF1EF33C965C79C",
.loaderId = "LID-STARTUP",
.securityOrigin = URL_BASE,
.url = "about:blank",
.secureContextType = "Secure",
@@ -1018,7 +1007,7 @@ test "cdp: STARTUP getFrameTree returns real frame ID when page exists" {
.frameTree = .{
.frame = .{
.id = "TID-STARTUP",
.loaderId = "LOADERID24DD2FD56CF1EF33C965C79C",
.loaderId = "LID-STARTUP",
.url = "about:blank",
.secureContextType = "Secure",
},
@@ -1028,15 +1017,23 @@ test "cdp: STARTUP getFrameTree returns real frame ID when page exists" {
{
// browser context with target_id - should return real frame ID
_ = try ctx.loadBrowserContext(.{ .target_id = "TID-000000000X".* });
const bc = try ctx.loadBrowserContext(.{ .target_id = "TID-000000000X".* });
try ctx.processMessage(.{ .id = 2, .method = "Page.getFrameTree", .sessionId = "STARTUP" });
try ctx.expectSentResult(.{
.frameTree = .{
.frame = .{
.id = "TID-000000000X",
.loaderId = "LOADERID24DD2FD56CF1EF33C965C79C",
.loaderId = "LID-0000000001",
.url = "about:blank",
.secureContextType = "Secure",
.domainAndRegistry = "",
.securityOrigin = bc.security_origin,
.mimeType = "text/html",
.adFrameStatus = .{
.adFrameType = "none",
},
.secureContextType = bc.secure_context_type,
.crossOriginIsolatedContextType = "NotIsolated",
.gatedAPIFeatures = [_][]const u8{},
},
},
}, .{ .id = 2, .session_id = "STARTUP" });