445 lines
14 KiB
C++
445 lines
14 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: tests/controls/webtest.cpp
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// Purpose: wxWebView unit test
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// Author: Steven Lamerton
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// Created: 2011-07-08
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// Copyright: (c) 2011 Steven Lamerton
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///////////////////////////////////////////////////////////////////////////////
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#include "testprec.h"
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#if wxUSE_WEBVIEW && (wxUSE_WEBVIEW_WEBKIT || wxUSE_WEBVIEW_WEBKIT2 || wxUSE_WEBVIEW_IE)
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#ifndef WX_PRECOMP
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#include "wx/app.h"
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#endif // WX_PRECOMP
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#include "testableframe.h"
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#include "wx/webview.h"
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#include "asserthelper.h"
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#if wxUSE_WEBVIEW_IE
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#include "wx/msw/webview_ie.h"
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#endif
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#if wxUSE_WEBVIEW_WEBKIT2
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#include "wx/stopwatch.h"
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#endif
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//Convenience macro
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#define ENSURE_LOADED CHECK( m_loaded->WaitEvent() )
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class WebViewTestCase
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{
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public:
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WebViewTestCase()
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: m_browser(wxWebView::New()),
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m_loaded(new EventCounter(m_browser, wxEVT_WEBVIEW_LOADED))
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{
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#ifdef __WXMSW__
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if (wxWebView::IsBackendAvailable(wxWebViewBackendEdge))
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{
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// The blank page does not have an empty title with edge
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m_blankTitle = "about:blank";
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// Edge does not support about: url use a different URL instead
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m_alternateHistoryURL = "about:blank";
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}
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else
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#endif
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m_alternateHistoryURL = "about:";
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}
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~WebViewTestCase()
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{
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delete m_loaded;
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delete m_browser;
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}
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protected:
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void LoadUrl(int times = 1)
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{
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//We alternate between urls as otherwise webkit merges them in the history
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//we use about and about blank to avoid the need for a network connection
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for(int i = 0; i < times; i++)
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{
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if(i % 2 == 1)
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m_browser->LoadURL("about:blank");
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else
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m_browser->LoadURL(m_alternateHistoryURL);
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ENSURE_LOADED;
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}
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}
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void OnScriptResult(const wxWebViewEvent& evt)
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{
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m_asyncScriptResult = (evt.IsError()) ? 0 : 1;
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m_asyncScriptString = evt.GetString();
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}
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void RunAsyncScript(const wxString& javascript)
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{
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m_browser->Bind(wxEVT_WEBVIEW_SCRIPT_RESULT, &WebViewTestCase::OnScriptResult, this);
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m_asyncScriptResult = -1;
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m_browser->RunScriptAsync(javascript);
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while (m_asyncScriptResult == -1)
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wxYield();
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m_browser->Unbind(wxEVT_WEBVIEW_SCRIPT_RESULT, &WebViewTestCase::OnScriptResult, this);
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}
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wxWebView* const m_browser;
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EventCounter* const m_loaded;
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wxString m_blankTitle;
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wxString m_alternateHistoryURL;
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int m_asyncScriptResult;
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wxString m_asyncScriptString;
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};
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TEST_CASE_METHOD(WebViewTestCase, "WebView", "[wxWebView]")
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{
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#if defined(__WXGTK__) && !defined(__WXGTK3__)
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wxString value;
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if ( !wxGetEnv("wxTEST_WEBVIEW_GTK2", &value) || value != "1" )
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{
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WARN("Skipping WebView tests known to fail with wxGTK 2, set "
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"wxTEST_WEBVIEW_GTK2=1 to force running them.");
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return;
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}
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#endif
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m_browser -> Create(wxTheApp->GetTopWindow(), wxID_ANY);
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ENSURE_LOADED;
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SECTION("Title")
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{
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CHECK(m_browser->GetCurrentTitle() == "");
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//Test title after loading raw html
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m_browser->SetPage("<html><title>Title</title><body>Text</body></html>", "");
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ENSURE_LOADED;
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CHECK(m_browser->GetCurrentTitle() == "Title");
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//Test title after loading a url, we yield to let events process
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LoadUrl();
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CHECK(m_browser->GetCurrentTitle() == m_blankTitle);
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}
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SECTION("URL")
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{
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CHECK(m_browser->GetCurrentURL() == "about:blank");
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//After first loading about:blank the next in the sequence is about:
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LoadUrl();
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CHECK(m_browser->GetCurrentURL() == m_alternateHistoryURL);
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}
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SECTION("History")
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{
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LoadUrl(3);
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CHECK(m_browser->CanGoBack());
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CHECK(!m_browser->CanGoForward());
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m_browser->GoBack();
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ENSURE_LOADED;
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CHECK(m_browser->CanGoBack());
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CHECK(m_browser->CanGoForward());
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m_browser->GoBack();
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ENSURE_LOADED;
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m_browser->GoBack();
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ENSURE_LOADED;
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//We should now be at the start of the history
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CHECK(!m_browser->CanGoBack());
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CHECK(m_browser->CanGoForward());
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}
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#if !wxUSE_WEBVIEW_WEBKIT2 && !defined(__WXOSX__)
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SECTION("HistoryEnable")
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{
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LoadUrl();
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m_browser->EnableHistory(false);
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CHECK(!m_browser->CanGoForward());
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CHECK(!m_browser->CanGoBack());
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LoadUrl();
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CHECK(!m_browser->CanGoForward());
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CHECK(!m_browser->CanGoBack());
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}
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#endif
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#if !wxUSE_WEBVIEW_WEBKIT2 && !defined(__WXOSX__)
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SECTION("HistoryClear")
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{
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LoadUrl(2);
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//Now we are in the 'middle' of the history
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m_browser->GoBack();
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ENSURE_LOADED;
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CHECK(m_browser->CanGoForward());
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CHECK(m_browser->CanGoBack());
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m_browser->ClearHistory();
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CHECK(!m_browser->CanGoForward());
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CHECK(!m_browser->CanGoBack());
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}
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#endif
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SECTION("HistoryList")
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{
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LoadUrl(2);
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m_browser->GoBack();
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ENSURE_LOADED;
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CHECK(m_browser->GetBackwardHistory().size() == 1);
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CHECK(m_browser->GetForwardHistory().size() == 1);
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m_browser->LoadHistoryItem(m_browser->GetForwardHistory()[0]);
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ENSURE_LOADED;
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CHECK(!m_browser->CanGoForward());
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CHECK(m_browser->GetBackwardHistory().size() == 2);
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}
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#if !defined(__WXOSX__) && (!defined(wxUSE_WEBVIEW_EDGE) || !wxUSE_WEBVIEW_EDGE)
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SECTION("Editable")
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{
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CHECK(!m_browser->IsEditable());
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m_browser->SetEditable(true);
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CHECK(m_browser->IsEditable());
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m_browser->SetEditable(false);
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CHECK(!m_browser->IsEditable());
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}
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#endif
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SECTION("Selection")
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{
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m_browser->SetPage("<html><body>Some <strong>strong</strong> text</body></html>", "");
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ENSURE_LOADED;
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CHECK(!m_browser->HasSelection());
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m_browser->SelectAll();
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#if wxUSE_WEBVIEW_WEBKIT2
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// With WebKit SelectAll() sends a request to perform the selection to
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// another process via proxy and there doesn't seem to be any way to
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// wait until this request is actually handled, so loop here for some a
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// bit before giving up. Avoid calling HasSelection() right away
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// without wxYielding a bit because this seems to cause the extension
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// to hang with webkit 2.40.0+.
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for ( wxStopWatch sw; sw.Time() < 50; )
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wxYield();
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#endif // wxUSE_WEBVIEW_WEBKIT2
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CHECK(m_browser->HasSelection());
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CHECK(m_browser->GetSelectedText() == "Some strong text");
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#if !defined(__WXOSX__) && (!defined(wxUSE_WEBVIEW_EDGE) || !wxUSE_WEBVIEW_EDGE)
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// The web engine doesn't necessarily represent the HTML in the same way as
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// we used above, e.g. IE uses upper case for all the tags while WebKit
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// under OS X inserts plenty of its own <span> tags, so don't test for
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// equality and just check that the source contains things we'd expect it
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// to.
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const wxString selSource = m_browser->GetSelectedSource();
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WX_ASSERT_MESSAGE
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(
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("Unexpected selection source: \"%s\"", selSource),
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selSource.Lower().Matches("*some*<strong*strong</strong>*text*")
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);
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#endif // !defined(__WXOSX__)
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m_browser->ClearSelection();
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CHECK(!m_browser->HasSelection());
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}
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SECTION("Zoom")
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{
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if(m_browser->CanSetZoomType(wxWEBVIEW_ZOOM_TYPE_LAYOUT))
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{
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m_browser->SetZoomType(wxWEBVIEW_ZOOM_TYPE_LAYOUT);
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CHECK(m_browser->GetZoomType() == wxWEBVIEW_ZOOM_TYPE_LAYOUT);
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m_browser->SetZoom(wxWEBVIEW_ZOOM_TINY);
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CHECK(m_browser->GetZoom() == wxWEBVIEW_ZOOM_TINY);
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}
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//Reset the zoom level
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m_browser->SetZoom(wxWEBVIEW_ZOOM_MEDIUM);
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if(m_browser->CanSetZoomType(wxWEBVIEW_ZOOM_TYPE_TEXT))
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{
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m_browser->SetZoomType(wxWEBVIEW_ZOOM_TYPE_TEXT);
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CHECK(m_browser->GetZoomType() == wxWEBVIEW_ZOOM_TYPE_TEXT);
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m_browser->SetZoom(wxWEBVIEW_ZOOM_TINY);
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CHECK(m_browser->GetZoom() == wxWEBVIEW_ZOOM_TINY);
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}
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}
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SECTION("RunScript")
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{
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m_browser->
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SetPage("<html><head><script></script></head><body></body></html>", "");
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ENSURE_LOADED;
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wxString result;
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#if wxUSE_WEBVIEW_IE && !wxUSE_WEBVIEW_EDGE
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// Define a specialized scope guard ensuring that we reset the emulation
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// level to its default value even if any asserts below fail.
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class ResetEmulationLevel
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{
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public:
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ResetEmulationLevel()
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{
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// Allow this to fail because it doesn't work in GitHub Actions
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// environment, but the tests below still pass there.
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if ( !wxWebViewIE::MSWSetModernEmulationLevel() )
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{
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WARN("Setting IE modern emulation level failed.");
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m_reset = false;
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}
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else
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{
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m_reset = true;
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}
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}
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void DoReset()
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{
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if ( m_reset )
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{
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m_reset = false;
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if ( !wxWebViewIE::MSWSetModernEmulationLevel(false) )
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{
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WARN("Resetting IE modern emulation level failed.");
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}
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}
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}
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~ResetEmulationLevel()
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{
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DoReset();
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}
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private:
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bool m_reset;
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} resetEmulationLevel;
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CHECK(m_browser->RunScript("function f(){var person = new Object();person.name = 'Bar'; \
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person.lastName = 'Foo';return person;}f();", &result));
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CHECK(result == "{\"name\":\"Bar\",\"lastName\":\"Foo\"}");
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CHECK(m_browser->RunScript("function f(){ return [\"foo\", \"bar\"]; }f();", &result));
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CHECK(result == "[\"foo\",\"bar\"]");
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CHECK(m_browser->RunScript("function f(){var d = new Date('10/08/2017 21:30:40'); \
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var tzoffset = d.getTimezoneOffset() * 60000; return new Date(d.getTime() - tzoffset);}f();",
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&result));
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CHECK(result == "\"2017-10-08T21:30:40.000Z\"");
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resetEmulationLevel.DoReset();
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#endif // wxUSE_WEBVIEW_IE
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CHECK(m_browser->RunScript("document.write(\"Hello World!\");"));
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CHECK(m_browser->GetPageText() == "Hello World!");
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CHECK(m_browser->RunScript("function f(a){return a;}f('Hello World!');", &result));
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CHECK(result == _("Hello World!"));
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CHECK(m_browser->RunScript("function f(a){return a;}f('a\\\'aa\\n\\rb\\tb\\\\ccc\\\"ddd\\b\\fx');", &result));
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CHECK(result == _("a\'aa\n\rb\tb\\ccc\"ddd\b\fx"));
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CHECK(m_browser->RunScript("function f(a){return a;}f(123);", &result));
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CHECK(wxAtoi(result) == 123);
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CHECK(m_browser->
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RunScript("function f(a){return a;}f(2.34);", &result));
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double value;
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result.ToDouble(&value);
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CHECK(value == 2.34);
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CHECK(m_browser->RunScript("function f(a){return a;}f(false);", &result));
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CHECK(result == "false");
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CHECK(m_browser->RunScript("function f(){var person = new Object();person.lastName = 'Bar'; \
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person.name = 'Foo';return person;}f();", &result));
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CHECK(result == "{\"lastName\":\"Bar\",\"name\":\"Foo\"}");
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CHECK(m_browser->RunScript("function f(){ return [\"foo\", \"bar\"]; }f();", &result));
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CHECK(result == "[\"foo\",\"bar\"]");
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CHECK(m_browser->RunScript("function f(){var person = new Object();}f();", &result));
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CHECK(result == "undefined");
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CHECK(m_browser->RunScript("function f(){return null;}f();", &result));
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CHECK(result == "null");
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result = "";
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CHECK(!m_browser->RunScript("int main() { return 0; }", &result));
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CHECK(!result);
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CHECK(m_browser->RunScript("function a() { return eval(\"function b() { \
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return eval(\\\"function c() { return eval(\\\\\\\"function d() { \
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return \\\\\\\\\\\\\\\"test\\\\\\\\\\\\\\\"; } d();\\\\\\\"); } \
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c();\\\"); } b();\"); } a();", &result));
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CHECK(result == "test");
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CHECK(m_browser->RunScript("function f(a){return a;}f(\"This is a backslash: \\\\\");",
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&result));
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CHECK(result == "This is a backslash: \\");
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CHECK(m_browser->RunScript("function f(){var d = new Date('10/08/2016 21:30:40'); \
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var tzoffset = d.getTimezoneOffset() * 60000; return new Date(d.getTime() - tzoffset);}f();",
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&result));
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CHECK(result == "\"2016-10-08T21:30:40.000Z\"");
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// Check for C++-style comments which used to be broken.
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CHECK(m_browser->RunScript("function f() {\n"
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" // A C++ style comment\n"
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" return 17;\n"
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"}f();", &result));
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CHECK(result == "17");
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// Check for errors too.
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CHECK(!m_browser->RunScript("syntax(error"));
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CHECK(!m_browser->RunScript("syntax(error", &result));
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CHECK(!m_browser->RunScript("x.y.z"));
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}
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SECTION("RunScriptAsync")
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{
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#ifdef __WXMSW__
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// IE doesn't support async script execution
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if (!wxWebView::IsBackendAvailable(wxWebViewBackendEdge))
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return;
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#endif
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RunAsyncScript("function f(a){return a;}f('Hello World!');");
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CHECK(m_asyncScriptResult == 1);
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CHECK(m_asyncScriptString == "Hello World!");
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RunAsyncScript("int main() { return 0; }");
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CHECK(m_asyncScriptResult == 0);
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}
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SECTION("SetPage")
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{
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m_browser->SetPage("<html><body>text</body></html>", "");
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ENSURE_LOADED;
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CHECK(m_browser->GetPageText() == "text");
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m_browser->SetPage("<html><body>other text</body></html>", "");
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ENSURE_LOADED;
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CHECK(m_browser->GetPageText() == "other text");
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}
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}
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#endif //wxUSE_WEBVIEW && (wxUSE_WEBVIEW_WEBKIT || wxUSE_WEBVIEW_WEBKIT2 || wxUSE_WEBVIEW_IE)
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