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import QtQuick 2.0
import QtTest 1.0
import QtWebEngine 1.2
import QtWebEngine.experimental 1.0
import QtWebEngine.testsupport 1.0

TestWebEngineView {
    id: webEngineView
    width: 400
    height: 300

    property var unavailableUrl: Qt.resolvedUrl("file_that_does_not_exist.html")
    property var loadRequestArray: []

    testSupport: WebEngineTestSupport {
        property var errorPageLoadStatus: null

        function waitForErrorPageLoadSucceeded() {
            var success = _waitFor(function() { return testSupport.errorPageLoadStatus == WebEngineView.LoadSucceededStatus })
            testSupport.errorPageLoadStatus = null
            return success
        }

        errorPage.onLoadingChanged: {
            errorPageLoadStatus = loadRequest.status

            loadRequestArray.push({
               "status": loadRequest.status,
               "url": loadRequest.url.toString(),
               "errorDomain": loadRequest.errorDomain,
               "isErrorPage": true
            })
        }
    }

    onLoadingChanged: {
        if (loadRequest.status == WebEngineView.LoadFailedStatus) {
            test.compare(loadRequest.url, unavailableUrl)
            test.compare(loadRequest.errorDomain, WebEngineView.InternalErrorDomain)
        }

        loadRequestArray.push({
           "status": loadRequest.status,
           "url": loadRequest.url.toString(),
           "errorDomain": loadRequest.errorDomain,
           "isErrorPage": false
        })
    }

    TestCase {
        id: test
        name: "WebEngineViewLoadFail"

        function test_fail() {
            WebEngine.settings.errorPageEnabled = false
            webEngineView.url = unavailableUrl
            verify(webEngineView.waitForLoadFailed())
        }

        function test_fail_url() {
            WebEngine.settings.errorPageEnabled = false
            var url = Qt.resolvedUrl("test1.html")
            webEngineView.url = url
            compare(webEngineView.url, url)
            verify(webEngineView.waitForLoadSucceeded())
            compare(webEngineView.url, url)

            webEngineView.url = unavailableUrl
            compare(webEngineView.url, unavailableUrl)
            verify(webEngineView.waitForLoadFailed())
            // When error page is disabled in case of LoadFail the entry of the unavailable page is not stored.
            // We expect the url of the previously loaded page here.
            compare(webEngineView.url, url)
        }

        function test_error_page() {
            WebEngine.settings.errorPageEnabled = true
            webEngineView.url = unavailableUrl

            // Loading of the error page must be successful
            verify(webEngineView.testSupport.waitForErrorPageLoadSucceeded())

            var loadRequest = null
            compare(loadRequestArray.length, 4)

            // Start to load unavailableUrl
            loadRequest = loadRequestArray[0]
            compare(loadRequest.status, WebEngineView.LoadStartedStatus)
            compare(loadRequest.errorDomain, WebEngineView.NoErrorDomain)
            compare(loadRequest.url, unavailableUrl)
            verify(!loadRequest.isErrorPage)

            // Loading of the unavailableUrl must fail
            loadRequest = loadRequestArray[1]
            compare(loadRequest.status, WebEngineView.LoadFailedStatus)
            compare(loadRequest.errorDomain, WebEngineView.InternalErrorDomain)
            compare(loadRequest.url, unavailableUrl)
            verify(!loadRequest.isErrorPage)

            // Start to load error page
            loadRequest = loadRequestArray[2]
            compare(loadRequest.status, WebEngineView.LoadStartedStatus)
            compare(loadRequest.errorDomain, WebEngineView.NoErrorDomain)
            compare(loadRequest.url, "data:text/html,chromewebdata")
            verify(loadRequest.isErrorPage)

            // Loading of the error page must be successful
            loadRequest = loadRequestArray[3]
            compare(loadRequest.status, WebEngineView.LoadSucceededStatus)
            compare(loadRequest.errorDomain, WebEngineView.NoErrorDomain)
            compare(loadRequest.url, "data:text/html,chromewebdata")
            verify(loadRequest.isErrorPage)

            compare(webEngineView.url, unavailableUrl)
            compare(webEngineView.title, unavailableUrl + " is not found")
        }
    }
}