vaadin-framework/server/src/test/java/com/vaadin/server/VaadinPortletServiceTest.java

package com.vaadin.server;

import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.core.Is.is;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.fail;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

import java.util.concurrent.locks.ReentrantLock;

import javax.portlet.PortletSession;

import org.junit.Before;
import org.junit.Test;
import org.mockito.Mockito;

import com.vaadin.shared.ui.ui.UIConstants;
import com.vaadin.ui.UI;

public class VaadinPortletServiceTest {

    private VaadinPortletService sut;
    private VaadinPortletRequest request;
    private DeploymentConfiguration conf;

    @Before
    public void setup() throws ServiceException {
        VaadinPortlet portlet = mock(VaadinPortlet.class);
        conf = mock(DeploymentConfiguration.class);

        sut = new VaadinPortletService(portlet, conf);

        request = mock(VaadinPortletRequest.class);
    }

    private void mockFileLocationProperty(String location) {
        mockPortalProperty(Constants.PORTAL_PARAMETER_VAADIN_RESOURCE_PATH,
                location);
    }

    private void mockPortalProperty(String name, String value) {
        when(request.getPortalProperty(name)).thenReturn(value);
    }

    private void mockFileLocationPreference(String location) {
        when(request.getPortletPreference(
                Constants.PORTAL_PARAMETER_VAADIN_RESOURCE_PATH))
                        .thenReturn(location);
    }

    private void mockLocationDeploymentConfiguration(String location) {
        when(conf.getApplicationOrSystemProperty(
                Constants.PORTAL_PARAMETER_VAADIN_RESOURCE_PATH, null))
                        .thenReturn(location);
    }

    private String getStaticFileLocation() {
        return sut.getStaticFileLocation(request);
    }

    private String getTheme() {
        return sut.getConfiguredTheme(request);
    }

    private void mockThemeProperty(String theme) {
        mockPortalProperty(Constants.PORTAL_PARAMETER_VAADIN_THEME, theme);
    }

    private void mockWidgetsetProperty(String widgetset) {
        mockPortalProperty(Constants.PORTAL_PARAMETER_VAADIN_WIDGETSET,
                widgetset);
    }

    private void mockWidgetsetConfiguration(String widgetset) {
        when(conf.getWidgetset(null)).thenReturn(widgetset);
    }

    @Test
    public void preferencesOverrideDeploymentConfiguration() {
        mockFileLocationPreference("prefs");
        mockLocationDeploymentConfiguration("conf");

        String location = getStaticFileLocation();

        assertThat(location, is("prefs"));
    }

    @Test
    public void deploymentConfigurationOverridesProperties() {
        mockFileLocationPreference(null);
        mockLocationDeploymentConfiguration("conf");
        mockFileLocationProperty("props");

        String location = getStaticFileLocation();

        assertThat(location, is("conf"));
    }

    @Test
    public void defaultFileLocationIsSet() {
        mockFileLocationPreference(null);
        mockLocationDeploymentConfiguration(null);
        mockFileLocationProperty(null);

        String location = getStaticFileLocation();

        assertThat(location, is("/html"));
    }

    @Test
    public void trailingSlashesAreTrimmedFromStaticFileLocation() {
        mockFileLocationPreference("/content////");

        String staticFileLocation = getStaticFileLocation();

        assertThat(staticFileLocation, is("/content"));
    }

    @Test
    public void themeCanBeOverridden() {
        mockThemeProperty("foobar");

        String theme = getTheme();

        assertThat(theme, is("foobar"));
    }

    @Test
    public void defaultThemeIsSet() {
        mockThemeProperty(null);

        String theme = getTheme();

        assertThat(theme, is(Constants.DEFAULT_THEME_NAME));
    }

    private String getWidgetset() {
        return sut.getConfiguredWidgetset(request);
    }

    @Test
    public void defaultWidgetsetIsSet() {
        mockWidgetsetProperty(null);
        mockWidgetsetConfiguration(null);

        String widgetset = getWidgetset();

        assertThat(widgetset, is(Constants.DEFAULT_WIDGETSET));
    }

    @Test
    public void configurationWidgetsetOverridesProperty() {
        mockWidgetsetProperty("foo");
        mockWidgetsetConfiguration("bar");

        String widgetset = getWidgetset();

        assertThat(widgetset, is("bar"));
    }

    @Test
    public void oldDefaultWidgetsetIsMappedToDefaultWidgetset() {
        mockWidgetsetConfiguration(null);
        mockWidgetsetProperty("com.vaadin.portal.gwt.PortalDefaultWidgetSet");

        String widgetset = getWidgetset();

        assertThat(widgetset, is(Constants.DEFAULT_WIDGETSET));
    }

    @Test
    public void oldDefaultWidgetSetIsNotMappedToDefaultWidgetset() {
        mockWidgetsetConfiguration(
                "com.vaadin.portal.gwt.PortalDefaultWidgetSet");
        mockWidgetsetProperty(null);

        String widgetset = getWidgetset();

        assertThat(widgetset,
                is("com.vaadin.portal.gwt.PortalDefaultWidgetSet"));
    }

    @Test
    public void findUIDoesntThrowNPE() {
        try {
            ReentrantLock mockLock = Mockito.mock(ReentrantLock.class);
            when(mockLock.isHeldByCurrentThread()).thenReturn(true);

            WrappedPortletSession emptyWrappedSession = Mockito
                    .mock(WrappedPortletSession.class);
            when(emptyWrappedSession.getAttribute("null.lock",PortletSession.APPLICATION_SCOPE))
                    .thenReturn(mockLock);
            VaadinRequest requestWithUIIDSet = Mockito
                    .mock(VaadinRequest.class);
            when(requestWithUIIDSet.getParameter(UIConstants.UI_ID_PARAMETER))
                    .thenReturn("1");
            when(requestWithUIIDSet.getWrappedSession())
                    .thenReturn(emptyWrappedSession);

            UI ui = sut.findUI(requestWithUIIDSet);
            assertNull("Unset session did not return null", ui);
        } catch (NullPointerException e) {
            fail("findUI threw a NullPointerException");
        }
    }
}