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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_TEST_BASE_DEVTOOLS_AGENT_COVERAGE_OBSERVER_H_
#define CHROME_TEST_BASE_DEVTOOLS_AGENT_COVERAGE_OBSERVER_H_
#include <map>
#include <memory>
#include <utility>
#include "base/memory/scoped_refptr.h"
#include "chrome/test/base/devtools_listener.h"
#include "content/public/browser/devtools_agent_host_observer.h"
// Callback to filter out the `DevToolsAgentHost*` that get attached to.
// Extensions with background / foreground pages share the same v8 isolate
// (see crbug.com/v8/10820) so don't get coverage for one of those to avoid a
// DCHECK.
using ShouldInspectDevToolsAgentHostCallback =
base::RepeatingCallback<bool(content::DevToolsAgentHost*)>;
// Observes new DevToolsAgentHosts and ensures code coverage is enabled and
// can be collected.
class DevToolsAgentCoverageObserver
: public content::DevToolsAgentHostObserver {
public:
explicit DevToolsAgentCoverageObserver(
base::FilePath devtools_code_coverage_dir);
DevToolsAgentCoverageObserver(
base::FilePath devtools_code_coverage_dir,
ShouldInspectDevToolsAgentHostCallback should_inspect_callback);
~DevToolsAgentCoverageObserver() override;
bool CoverageEnabled() const;
void CollectCoverage(const std::string& test_name);
protected:
// content::DevToolsAgentHostObserver
bool ShouldForceDevToolsAgentHostCreation() override;
void DevToolsAgentHostCreated(content::DevToolsAgentHost* host) override;
void DevToolsAgentHostAttached(content::DevToolsAgentHost* host) override;
void DevToolsAgentHostNavigated(content::DevToolsAgentHost* host) override;
void DevToolsAgentHostDetached(content::DevToolsAgentHost* host) override;
void DevToolsAgentHostCrashed(content::DevToolsAgentHost* host,
base::TerminationStatus status) override;
void DevToolsAgentHostDestroyed(
content::DevToolsAgentHost* agent_host) override;
private:
using DevToolsAgentMap = // agent hosts: have a unique devtools listener
std::map<content::DevToolsAgentHost*,
std::pair<scoped_refptr<content::DevToolsAgentHost>,
std::unique_ptr<coverage::DevToolsListener>>>;
base::FilePath devtools_code_coverage_dir_;
DevToolsAgentMap devtools_agents_;
ShouldInspectDevToolsAgentHostCallback should_inspect_callback_;
};
#endif // CHROME_TEST_BASE_DEVTOOLS_AGENT_COVERAGE_OBSERVER_H_
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