/*
 * Copyright 2011 the original author or authors.
 *
 * Licensed 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.gradle.api.file

import org.gradle.integtests.fixtures.AbstractIntegrationSpec
import org.gradle.util.Requires
import org.gradle.util.TestPrecondition
import spock.lang.Unroll

import static org.gradle.util.TextUtil.escapeString

@Requires(TestPrecondition.SYMLINKS)
class FileCollectionSymlinkIntegrationTest extends AbstractIntegrationSpec {

    @Unroll("#desc can handle symlinks")
    def "file collection can handle symlinks"() {
        def buildScript = file("build.gradle")
        def baseDir = file('build')
        baseDir.file('file').text = 'some contents'
        def symlinked = baseDir.file('symlinked')
        symlinked.text = 'target of symlink'
        baseDir.file('symlink').createLink(symlinked)


        buildScript << """
            def baseDir = new File("${escapeString(baseDir)}")
            def file = new File(baseDir, "file")
            def symlink = new File(baseDir, "symlink")
            def symlinked = new File(baseDir, "symlinked")
            def fileCollection = $code

            assert fileCollection.contains(file)
            assert fileCollection.contains(symlink)
            assert fileCollection.contains(symlinked)
            assert fileCollection.files == [file, symlink, symlinked] as Set
            assert (fileCollection - project.layout.files(symlink)).files == [file, symlinked] as Set
        """

        when:
        executer.usingBuildScript(buildScript).run()

        then:
        noExceptionThrown()

        where:
        desc                                  | code
        "project.files()"                     | "project.files(file, symlink, symlinked)"
        "project.layout.files()"              | "project.layout.files(file, symlink, symlinked)"
        "project.layout.configurableFiles()"  | "project.layout.configurableFiles(file, symlink, symlinked)"
        "project.fileTree()"                  | "project.fileTree(baseDir)"
    }
}
