org.gradle.api.internal.file.CompositeFileCollectionTest.groovy Maven / Gradle / Ivy

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/*
 * Copyright 2018 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.internal.file

import org.gradle.api.file.FileCollection
import org.gradle.api.internal.file.AbstractFileCollectionTest.TestFileCollection
import org.gradle.api.internal.file.collections.DefaultDirectoryFileTreeFactory
import org.gradle.api.internal.file.collections.FileCollectionResolveContext
import org.gradle.api.internal.file.collections.MinimalFileSet
import org.gradle.api.internal.tasks.TaskDependencyResolveContext
import spock.lang.Specification
import org.gradle.util.UsesNativeServices

@UsesNativeServices
class CompositeFileCollectionTest extends Specification {
    def file1 = new File("1")
    def file2 = new File("2")
    def file3 = new File("3")

    void "contains union of all source collections"() {
        def source1 = new TestFileCollection(file1, file2)
        def source2 = new TestFileCollection(file2, file3)
        def collection = new TestCompositeFileCollection(source1, source2)

        expect:
        collection.getFiles() as List == [file1, file2, file3]
    }

    def "contents track contents of source collections"() {
        def source1 = new TestFileCollection(file1)
        def source2 = new TestFileCollection(file2, file3)
        def collection = new TestCompositeFileCollection(source1, source2)

        expect:
        collection.getFiles() as List == [file1, file2, file3]
    }

    def "contains file when at least one source collection contains file"() {
        def source1 = new TestFileCollection(file1)
        def source2 = new TestFileCollection(file2)
        def collection = new TestCompositeFileCollection(source1, source2)

        expect:
        collection.contains(file2)
    }

    def "does not contain file when no source collection contains file"() {
        def source1 = new TestFileCollection(file1)
        def source2 = new TestFileCollection(file2)
        def collection = new TestCompositeFileCollection(source1, source2)

        expect:
        !collection.contains(file3)
    }

    def "is empty when has no source collections"() {
        expect:
        new TestCompositeFileCollection().isEmpty()
    }

    def "is empty when all source collections are empty"() {
        def source1 = new TestFileCollection()
        def source2 = new TestFileCollection()
        def collection = new TestCompositeFileCollection(source1, source2)

        expect:
        collection.isEmpty()
    }

    def "isn't empty when any source collection is not empty"() {
        def source1 = new TestFileCollection()
        def source2 = new TestFileCollection(file2)
        def collection = new TestCompositeFileCollection(source1, source2)

        expect:
        !collection.isEmpty()
    }

    def "add to Ant builder delegates to each source collection"() {
        def source1 = Mock(AbstractFileCollection)
        def source2 = Mock(AbstractFileCollection)
        def collection = new TestCompositeFileCollection(source1, source2)

        when:
        collection.addToAntBuilder("node", "name", FileCollection.AntType.ResourceCollection)

        then:
        1 * source1.addToAntBuilder("node", "name", FileCollection.AntType.ResourceCollection)
        1 * source2.addToAntBuilder("node", "name", FileCollection.AntType.ResourceCollection)
        0 * _
    }

    def "getAsFiletrees() returns union of file trees"() {
        def directoryFileTreeFactory = new DefaultDirectoryFileTreeFactory();
        def tree1 = directoryFileTreeFactory.create(new File("dir1").getAbsoluteFile());
        def tree2 = directoryFileTreeFactory.create(new File("dir2").getAbsoluteFile());
        def source1 = Mock(AbstractFileCollection)
        def source2 = Mock(AbstractFileCollection)
        def collection = new TestCompositeFileCollection(source1, source2)

        when:
        def trees = collection.getAsFileTrees()

        then:
        trees == [tree1, tree2]
        1 * source1.getAsFileTrees() >> [tree1]
        1 * source2.getAsFileTrees() >> [tree2]
        0 * _
    }

    def "getAsFileTree() delegates to each source collection"() {
        def source1 = Mock(AbstractFileCollection)
        def source2 = Mock(AbstractFileCollection)
        def collection = new TestCompositeFileCollection(source1, source2)
        when:
        def fileTree = collection.getAsFileTree()
        ((CompositeFileTree) fileTree).getSourceCollections()

        then:
        fileTree instanceof CompositeFileTree
        1 * source1.iterator() >> [].iterator()
        1 * source2.iterator() >> [].iterator()
        0 * _
    }

    def "file tree is live"() {
        def source1 = Mock(AbstractFileCollection)
        def source2 = Mock(AbstractFileCollection)
        def dir1 = new File("dir1");
        def dir2 = new File("dir1");
        def dir3 = new File("dir1");
        def source3 = Mock(MinimalFileSet);
        def collection = new TestCompositeFileCollection(source1, source2)

        when:
        def fileTree = collection.getAsFileTree();
        ((CompositeFileTree) fileTree).getSourceCollections();

        then:
        fileTree instanceof CompositeFileTree
        1 * source1.iterator() >> [dir1].iterator()
        1 * source2.iterator() >> [dir2].iterator()
        0 * _

        when:
        collection.sourceCollections.add(source3)
        ((CompositeFileTree) fileTree).getSourceCollections()

        then:
        1 * source1.iterator() >> [dir1].iterator()
        1 * source2.iterator() >> [dir2].iterator()
        1 * source3.getFiles()  >> ([dir3] as Set)
        0 * _
    }

    private class TestCompositeFileCollection extends CompositeFileCollection {
        List