wxWidgets/tests/controls/webtest.cpp
Vadim Zeitlin 7e0b6d4d81 Merge branch 'webview-js-retval'
Integrate GSoC 2017 work by Jose Lorenzo on allowing returning values
from JavaScript code via wxWebView::RunScript().
2017-11-04 16:07:51 +01:00

388 lines
11 KiB
C++

///////////////////////////////////////////////////////////////////////////////
// Name: tests/controls/webtest.cpp
// Purpose: wxWebView unit test
// Author: Steven Lamerton
// Created: 2011-07-08
// Copyright: (c) 2011 Steven Lamerton
///////////////////////////////////////////////////////////////////////////////
#include "testprec.h"
#if wxUSE_WEBVIEW && (wxUSE_WEBVIEW_WEBKIT || wxUSE_WEBVIEW_WEBKIT2 || wxUSE_WEBVIEW_IE)
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#include "wx/app.h"
#endif // WX_PRECOMP
#include "testableframe.h"
#include "wx/uiaction.h"
#include "wx/webview.h"
#include "asserthelper.h"
#if wxUSE_WEBVIEW_IE
#include "wx/msw/webview_ie.h"
#endif
class WebTestCase : public CppUnit::TestCase
{
public:
WebTestCase() { }
void setUp();
void tearDown();
private:
CPPUNIT_TEST_SUITE( WebTestCase );
CPPUNIT_TEST( Title );
CPPUNIT_TEST( Url );
CPPUNIT_TEST( History );
#if !wxUSE_WEBVIEW_WEBKIT2
//This is not implemented on WEBKIT2. See implementation.
CPPUNIT_TEST( HistoryEnable );
CPPUNIT_TEST( HistoryClear );
#endif
CPPUNIT_TEST( HistoryList );
CPPUNIT_TEST( Editable );
CPPUNIT_TEST( Selection );
CPPUNIT_TEST( Zoom );
CPPUNIT_TEST( RunScript );
CPPUNIT_TEST( SetPage );
CPPUNIT_TEST_SUITE_END();
void Title();
void Url();
void History();
void HistoryEnable();
void HistoryClear();
void HistoryList();
void Editable();
void Selection();
void Zoom();
void RunScript();
void SetPage();
void LoadUrl(int times = 1);
wxWebView* m_browser;
EventCounter* m_loaded;
wxDECLARE_NO_COPY_CLASS(WebTestCase);
};
//Convenience macro
#define ENSURE_LOADED WX_ASSERT_EVENT_OCCURS_IN((*m_loaded), 1, 1000)
// register in the unnamed registry so that these tests are run by default
CPPUNIT_TEST_SUITE_REGISTRATION( WebTestCase );
// also include in its own registry so that these tests can be run alone
CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( WebTestCase, "WebTestCase" );
void WebTestCase::setUp()
{
m_browser = wxWebView::New();
m_loaded = new EventCounter(m_browser, wxEVT_WEBVIEW_LOADED);
m_browser -> Create(wxTheApp->GetTopWindow(), wxID_ANY);
ENSURE_LOADED;
}
void WebTestCase::tearDown()
{
wxDELETE(m_loaded);
wxDELETE(m_browser);
}
void WebTestCase::LoadUrl(int times)
{
//We alternate between urls as otherwise webkit merges them in the history
//we use about and about blank to avoid the need for a network connection
for(int i = 0; i < times; i++)
{
if(i % 2 == 1)
m_browser->LoadURL("about:blank");
else
m_browser->LoadURL("about:");
ENSURE_LOADED;
}
}
void WebTestCase::Title()
{
CPPUNIT_ASSERT_EQUAL("", m_browser->GetCurrentTitle());
//Test title after loading raw html
m_browser->SetPage("<html><title>Title</title><body>Text</body></html>", "");
ENSURE_LOADED;
CPPUNIT_ASSERT_EQUAL("Title", m_browser->GetCurrentTitle());
//Test title after loading a url, we yield to let events process
LoadUrl();
CPPUNIT_ASSERT_EQUAL("", m_browser->GetCurrentTitle());
}
void WebTestCase::Url()
{
CPPUNIT_ASSERT_EQUAL("about:blank", m_browser->GetCurrentURL());
//After first loading about:blank the next in the sequence is about:
LoadUrl();
CPPUNIT_ASSERT_EQUAL("about:", m_browser->GetCurrentURL());
}
void WebTestCase::History()
{
LoadUrl(3);
CPPUNIT_ASSERT(m_browser->CanGoBack());
CPPUNIT_ASSERT(!m_browser->CanGoForward());
m_browser->GoBack();
ENSURE_LOADED;
CPPUNIT_ASSERT(m_browser->CanGoBack());
CPPUNIT_ASSERT(m_browser->CanGoForward());
m_browser->GoBack();
ENSURE_LOADED;
m_browser->GoBack();
ENSURE_LOADED;
//We should now be at the start of the history
CPPUNIT_ASSERT(!m_browser->CanGoBack());
CPPUNIT_ASSERT(m_browser->CanGoForward());
}
void WebTestCase::HistoryEnable()
{
LoadUrl();
m_browser->EnableHistory(false);
CPPUNIT_ASSERT(!m_browser->CanGoForward());
CPPUNIT_ASSERT(!m_browser->CanGoBack());
LoadUrl();
CPPUNIT_ASSERT(!m_browser->CanGoForward());
CPPUNIT_ASSERT(!m_browser->CanGoBack());
}
void WebTestCase::HistoryClear()
{
LoadUrl(2);
//Now we are in the 'middle' of the history
m_browser->GoBack();
ENSURE_LOADED;
CPPUNIT_ASSERT(m_browser->CanGoForward());
CPPUNIT_ASSERT(m_browser->CanGoBack());
m_browser->ClearHistory();
CPPUNIT_ASSERT(!m_browser->CanGoForward());
CPPUNIT_ASSERT(!m_browser->CanGoBack());
}
void WebTestCase::HistoryList()
{
LoadUrl(2);
m_browser->GoBack();
ENSURE_LOADED;
CPPUNIT_ASSERT_EQUAL(1, m_browser->GetBackwardHistory().size());
CPPUNIT_ASSERT_EQUAL(1, m_browser->GetForwardHistory().size());
m_browser->LoadHistoryItem(m_browser->GetForwardHistory()[0]);
ENSURE_LOADED;
CPPUNIT_ASSERT(!m_browser->CanGoForward());
CPPUNIT_ASSERT_EQUAL(2, m_browser->GetBackwardHistory().size());
}
void WebTestCase::Editable()
{
CPPUNIT_ASSERT(!m_browser->IsEditable());
m_browser->SetEditable(true);
CPPUNIT_ASSERT(m_browser->IsEditable());
m_browser->SetEditable(false);
CPPUNIT_ASSERT(!m_browser->IsEditable());
}
void WebTestCase::Selection()
{
m_browser->SetPage("<html><body>Some <strong>strong</strong> text</body></html>", "");
ENSURE_LOADED;
CPPUNIT_ASSERT(!m_browser->HasSelection());
m_browser->SelectAll();
CPPUNIT_ASSERT(m_browser->HasSelection());
CPPUNIT_ASSERT_EQUAL("Some strong text", m_browser->GetSelectedText());
// The web engine doesn't necessarily represent the HTML in the same way as
// we used above, e.g. IE uses upper case for all the tags while WebKit
// under OS X inserts plenty of its own <span> tags, so don't test for
// equality and just check that the source contains things we'd expect it
// to.
const wxString selSource = m_browser->GetSelectedSource();
WX_ASSERT_MESSAGE
(
("Unexpected selection source: \"%s\"", selSource),
selSource.Lower().Matches("*some*<strong*strong</strong>*text*")
);
m_browser->ClearSelection();
CPPUNIT_ASSERT(!m_browser->HasSelection());
}
void WebTestCase::Zoom()
{
if(m_browser->CanSetZoomType(wxWEBVIEW_ZOOM_TYPE_LAYOUT))
{
m_browser->SetZoomType(wxWEBVIEW_ZOOM_TYPE_LAYOUT);
CPPUNIT_ASSERT_EQUAL(wxWEBVIEW_ZOOM_TYPE_LAYOUT, m_browser->GetZoomType());
m_browser->SetZoom(wxWEBVIEW_ZOOM_TINY);
CPPUNIT_ASSERT_EQUAL(wxWEBVIEW_ZOOM_TINY, m_browser->GetZoom());
}
//Reset the zoom level
m_browser->SetZoom(wxWEBVIEW_ZOOM_MEDIUM);
if(m_browser->CanSetZoomType(wxWEBVIEW_ZOOM_TYPE_TEXT))
{
m_browser->SetZoomType(wxWEBVIEW_ZOOM_TYPE_TEXT);
CPPUNIT_ASSERT_EQUAL(wxWEBVIEW_ZOOM_TYPE_TEXT, m_browser->GetZoomType());
m_browser->SetZoom(wxWEBVIEW_ZOOM_TINY);
CPPUNIT_ASSERT_EQUAL(wxWEBVIEW_ZOOM_TINY, m_browser->GetZoom());
}
}
void WebTestCase::RunScript()
{
m_browser->
SetPage("<html><head><script></script></head><body></body></html>", "");
ENSURE_LOADED;
wxString result;
#if wxUSE_WEBVIEW_IE
CPPUNIT_ASSERT(wxWebViewIE::MSWSetModernEmulationLevel());
// Define a specialized scope guard ensuring that we reset the emulation
// level to its default value even if any asserts below fail.
class ResetEmulationLevel
{
public:
ResetEmulationLevel()
{
m_reset = true;
}
bool DoReset()
{
m_reset = false;
return wxWebViewIE::MSWSetModernEmulationLevel(false);
}
~ResetEmulationLevel()
{
if ( m_reset )
DoReset();
}
private:
bool m_reset;
} resetEmulationLevel;
CPPUNIT_ASSERT(m_browser->RunScript("function f(){var person = new Object();person.name = 'Bar'; \
person.lastName = 'Foo';return person;}f();", &result));
CPPUNIT_ASSERT_EQUAL("{\"name\":\"Bar\",\"lastName\":\"Foo\"}", result);
CPPUNIT_ASSERT(m_browser->RunScript("function f(){ return [\"foo\", \"bar\"]; }f();", &result));
CPPUNIT_ASSERT_EQUAL("[\"foo\",\"bar\"]", result);
CPPUNIT_ASSERT(m_browser->RunScript("function f(){var d = new Date('10/08/2017 21:30:40'); \
var tzoffset = d.getTimezoneOffset() * 60000; return new Date(d.getTime() - tzoffset);}f();",
&result));
CPPUNIT_ASSERT_EQUAL("\"2017-10-08T21:30:40.000Z\"", result);
CPPUNIT_ASSERT(resetEmulationLevel.DoReset());
#endif // wxUSE_WEBVIEW_IE
CPPUNIT_ASSERT(m_browser->RunScript("document.write(\"Hello World!\");"));
CPPUNIT_ASSERT_EQUAL("Hello World!", m_browser->GetPageText());
CPPUNIT_ASSERT(m_browser->RunScript("function f(a){return a;}f('Hello World!');", &result));
CPPUNIT_ASSERT_EQUAL(_("Hello World!"), result);
CPPUNIT_ASSERT(m_browser->RunScript("function f(a){return a;}f(123);", &result));
CPPUNIT_ASSERT_EQUAL(123, wxAtoi(result));
CPPUNIT_ASSERT(m_browser->
RunScript("function f(a){return a;}f(2.34);", &result));
double value;
result.ToDouble(&value);
CPPUNIT_ASSERT_EQUAL(2.34, value);
CPPUNIT_ASSERT(m_browser->RunScript("function f(a){return a;}f(false);", &result));
CPPUNIT_ASSERT_EQUAL("false", result);
CPPUNIT_ASSERT(m_browser->RunScript("function f(){var person = new Object();person.name = 'Foo'; \
person.lastName = 'Bar';return person;}f();", &result));
CPPUNIT_ASSERT_EQUAL("{\"name\":\"Foo\",\"lastName\":\"Bar\"}", result);
CPPUNIT_ASSERT(m_browser->RunScript("function f(){ return [\"foo\", \"bar\"]; }f();", &result));
CPPUNIT_ASSERT_EQUAL("[\"foo\",\"bar\"]", result);
CPPUNIT_ASSERT(m_browser->RunScript("function f(){var person = new Object();}f();", &result));
CPPUNIT_ASSERT_EQUAL("undefined", result);
CPPUNIT_ASSERT(m_browser->RunScript("function f(){return null;}f();", &result));
CPPUNIT_ASSERT_EQUAL("null", result);
result = "";
CPPUNIT_ASSERT(!m_browser->RunScript("int main() { return 0; }", &result));
CPPUNIT_ASSERT(!result);
CPPUNIT_ASSERT(m_browser->RunScript("function a() { return eval(\"function b() { \
return eval(\\\"function c() { return eval(\\\\\\\"function d() { \
return \\\\\\\\\\\\\\\"test\\\\\\\\\\\\\\\"; } d();\\\\\\\"); } \
c();\\\"); } b();\"); } a();", &result));
CPPUNIT_ASSERT_EQUAL("test", result);
CPPUNIT_ASSERT(m_browser->RunScript("function f(a){return a;}f(\"This is a backslash: \\\\\");",
&result));
CPPUNIT_ASSERT_EQUAL("This is a backslash: \\", result);
CPPUNIT_ASSERT(m_browser->RunScript("function f(){var d = new Date('10/08/2016 21:30:40'); \
var tzoffset = d.getTimezoneOffset() * 60000; return new Date(d.getTime() - tzoffset);}f();",
&result));
CPPUNIT_ASSERT_EQUAL("\"2016-10-08T21:30:40.000Z\"", result);
// Check for errors too.
CPPUNIT_ASSERT(!m_browser->RunScript("syntax(error"));
CPPUNIT_ASSERT(!m_browser->RunScript("syntax(error", &result));
CPPUNIT_ASSERT(!m_browser->RunScript("x.y.z"));
}
void WebTestCase::SetPage()
{
m_browser->SetPage("<html><body>text</body></html>", "");
ENSURE_LOADED;
CPPUNIT_ASSERT_EQUAL("text", m_browser->GetPageText());
m_browser->SetPage("<html><body>other text</body></html>", "");
ENSURE_LOADED;
CPPUNIT_ASSERT_EQUAL("other text", m_browser->GetPageText());
}
#endif //wxUSE_WEBVIEW && (wxUSE_WEBVIEW_WEBKIT || wxUSE_WEBVIEW_WEBKIT2 || wxUSE_WEBVIEW_IE)