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// Copyright 2016 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_BROWSER_UI_TEST_TEST_BROWSER_DIALOG_H_
#define CHROME_BROWSER_UI_TEST_TEST_BROWSER_DIALOG_H_
#include "build/build_config.h"
#include "chrome/browser/ui/test/test_browser_ui.h"
#include "chrome/test/base/in_process_browser_test.h"
#if defined(TOOLKIT_VIEWS)
#include "ui/views/widget/widget.h"
#endif
// A dialog-specific subclass of TestBrowserUi, which will verify that a test
// showed a single dialog.
class TestBrowserDialog : public TestBrowserUi {
public:
TestBrowserDialog(const TestBrowserDialog&) = delete;
TestBrowserDialog& operator=(const TestBrowserDialog&) = delete;
protected:
TestBrowserDialog();
~TestBrowserDialog() override;
void set_should_verify_dialog_bounds(bool value) {
should_verify_dialog_bounds_ = value;
}
// TestBrowserUi:
void PreShow() override;
bool VerifyUi() override;
void WaitForUserDismissal() override;
void DismissUi() override;
// Verify UI.
// When pixel verifcation is enabled(--browser-ui-tests-verify-pixels),
// this function will also verify pixels using Skia Gold. Call set_baseline()
// and SetPixelMatchAlgorithm() to adjust parameters used for verification.
void ShowAndVerifyUi();
// Only useful when pixel verification is enabled.
// Set pixel test baseline so previous gold images become invalid.
// Call this method before ShowAndVerifyUi().
// For example, a cl changes a dialog's text, and all previously approved
// gold images become invalid. Then in the same cl you should set a new
// baseline. Or else the previous gold image are still valid (which they
// should not be because they have wrong text).
// Consider using the cl number as baseline.
void set_baseline(const std::string& baseline) { baseline_ = baseline; }
// Whether to close asynchronously using Widget::Close(). This covers
// codepaths relying on DialogDelegate::Close(), which isn't invoked by
// Widget::CloseNow(). Dialogs should support both, since the OS can initiate
// the destruction of dialogs, e.g., during logoff which bypass
// Widget::CanClose() and DialogDelegate::Close().
virtual bool AlwaysCloseAsynchronously();
// Get the name of a non-dialog window that should be included in testing.
// VerifyUi() only considers dialog windows and windows with a matching name.
virtual std::string GetNonDialogName();
private:
#if defined(TOOLKIT_VIEWS)
// Stores the current widgets in |widgets_|.
void UpdateWidgets();
// The widgets present before/after showing UI.
views::Widget::Widgets widgets_;
#endif // defined(TOOLKIT_VIEWS)
// The baseline to use for the next pixel verification.
std::string baseline_;
// If set to true, the dialog bounds will be verified to fit inside the
// display's work area.
// This should always be true, but some dialogs don't yet size themselves
// properly. https://crbug.com/893292.
bool should_verify_dialog_bounds_ = true;
};
template <class Base>
using SupportsTestDialog = SupportsTestUi<Base, TestBrowserDialog>;
using DialogBrowserTest = SupportsTestDialog<InProcessBrowserTest>;
#endif // CHROME_BROWSER_UI_TEST_TEST_BROWSER_DIALOG_H_
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