ConfigurationUnitsTest.java

package org.lightadmin.core.config.domain.unit;

import org.junit.Test;
import org.lightadmin.api.config.annotation.Administration;
import org.lightadmin.api.config.unit.EntityMetadataConfigurationUnit;

import java.util.Set;

import static com.google.common.collect.Sets.newLinkedHashSet;
import static org.junit.Assert.*;
import static org.lightadmin.core.config.domain.unit.DomainConfigurationUnitType.*;
import static org.lightadmin.core.test.util.ConfigurationUnitsUtils.*;

public class ConfigurationUnitsTest {

    @Test(expected = IllegalArgumentException.class)
    public void nullConfigurationClassNotAllowed() throws Exception {
        configurationUnits(null);
    }

    @Test
    public void correctDomainTypeReturned() throws Exception {
        assertEquals(configurationUnits(DomainTypeConfiguration.class).getDomainType(), DomainType.class);
    }

    @Test
    public void existingUnitFound() throws Exception {
        final ConfigurationUnits testee = configurationUnits(DomainTypeConfiguration.class, configurationUnitFor(CONFIGURATION, EntityMetadataConfigurationUnit.class));

        assertNotNull(testee.getEntityConfiguration());
    }

    @Test
    public void nullReturnedForMissingConfigurationUnit() throws Exception {
        final ConfigurationUnits testee = configurationUnits(DomainTypeConfiguration.class, configurationUnitFor(FILTERS));

        assertNull(testee.getScreenContext());
    }

    @Test
    public void unitsOrderTheSameAsInitial() throws Exception {
        final ConfigurationUnits testee = configurationUnits(DomainTypeConfiguration.class, configurationUnitsFor(FILTERS, CONFIGURATION, SCOPES));

        assertUnitsOrderEqual(testee, new DomainConfigurationUnitType[]{FILTERS, CONFIGURATION, SCOPES});
    }

    private void assertUnitsOrderEqual(final ConfigurationUnits testee, final DomainConfigurationUnitType[] expectedOrderedUnitTypes) {
        Set<DomainConfigurationUnitType> actualUnitTypes = newLinkedHashSet();
        for (ConfigurationUnit configurationUnit : testee) {
            actualUnitTypes.add(configurationUnit.getDomainConfigurationUnitType());
        }

        assertArrayEquals(actualUnitTypes.toArray(), expectedOrderedUnitTypes);
    }

    private static class DomainType {

    }

    @Administration(DomainType.class)
    private static class DomainTypeConfiguration {

    }
}