/*
 *  Licensed to the Apache Software Foundation (ASF) under one
 *  or more contributor license agreements.  See the NOTICE file
 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you under the Apache License, Version 2.0 (the
 *  "License"); you may not use this file except in compliance
 *  with the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an
 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 *  specific language governing permissions and limitations
 *  under the License.
 */
package org.apache.groovy.groovysh.util

import groovy.test.GroovyTestCase

/**
 * Unit tests for the {@link PackageHelperImpl} class.
 */
class PackageHelperImplTest extends GroovyTestCase {

    void testLoadAndGetPackagesEmpty() {
        PackageHelperImpl helper = new PackageHelperImpl(null)
        Set<String> rootPackages = helper.getContents('')
        assertNotNull(rootPackages)
        assert rootPackages.contains('java')
        assert rootPackages.contains('javax')
        assert rootPackages.contains('groovy')
    }

    void testLoadAndGetPackagesJava() {
        PackageHelperImpl helper = new PackageHelperImpl(null)
        Set<String> names = helper.getContents('java')
        assertNotNull(names)
        assert names.contains('io')
    }

    void testLoadAndGetPackagesJavaUtil() {
        PackageHelperImpl helper = new PackageHelperImpl(null)
        Set<String> names = helper.getContents('java.util')
        assertNotNull(names)
        assert names.contains('zip')
        assert names.contains('Set')
    }

    void testLoadAndGetPackagesInvalid() {
        PackageHelperImpl helper = new PackageHelperImpl(null)
        assert [] as Set<String> == helper.getContents('invalid:name')
    }

    void testLoadAndGetPackagesUnknown() {
        PackageHelperImpl helper = new PackageHelperImpl(null)
        assert [] as Set<String> == helper.getContents('java.util.regex.tools')
    }
}
