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org.gradle.internal.file.DefaultFileHierarchySetTest.groovy Maven / Gradle / Ivy

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/*
 * Copyright 2017 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.internal.file

import org.gradle.test.fixtures.file.TestNameTestDirectoryProvider
import org.junit.Rule
import spock.lang.Specification

class DefaultFileHierarchySetTest extends Specification {
    @Rule TestNameTestDirectoryProvider tmpDir = new TestNameTestDirectoryProvider()

    def "creates from a single file"() {
        def dir = tmpDir.createDir("dir")

        expect:
        def set = DefaultFileHierarchySet.of(dir)
        set.contains(dir)
        set.contains(dir.file("child"))
        !set.contains(dir.parentFile)
        !set.contains(tmpDir.file("dir2"))
        !set.contains(tmpDir.file("d"))
    }

    def "creates from empty collection"() {
        expect:
        def set = DefaultFileHierarchySet.of([])
        !set.contains(tmpDir.file("any"))
    }

    def "creates from collection containing single file"() {
        def dir = tmpDir.createDir("dir")

        expect:
        def set = DefaultFileHierarchySet.of([dir])
        set.contains(dir)
        set.contains(dir.file("child"))
        !set.contains(dir.parentFile)
        !set.contains(tmpDir.file("dir2"))
        !set.contains(tmpDir.file("d"))
    }

    def "creates from multiple files"() {
        def parent = tmpDir.createDir()
        def dir1 = parent.createDir("dir1")
        def dir2 = parent.createDir("common/dir2")
        def dir3 = parent.createDir("common/dir3")

        expect:
        def set = DefaultFileHierarchySet.of([dir1, dir2, dir3])
        set.contains(dir1)
        set.contains(dir2)
        set.contains(dir3)
        set.contains(dir1.file("child"))
        set.contains(dir2.file("child"))
        set.contains(dir3.file("child"))
        !set.contains(parent)
        !set.contains(dir2.parentFile)
        !set.contains(tmpDir.file("dir"))
        !set.contains(tmpDir.file("dir12"))
        !set.contains(tmpDir.file("common/dir21"))
        set.flatten() == [parent.path, "1:dir1", "1:common", "2:dir2", "2:dir3"]
    }

    def "creates from files where one file is ancestor of the others"() {
        def dir1 = tmpDir.createDir("dir1")
        def dir2 = dir1.createDir("dir2")

        expect:
        def set = DefaultFileHierarchySet.of([dir2, dir1])
        set.contains(dir1)
        set.contains(dir2)
        set.contains(dir1.file("child"))
        set.contains(dir2.file("child"))
        !set.contains(dir1.parentFile)
        !set.contains(tmpDir.file("dir"))
        !set.contains(tmpDir.file("dir12"))
        !set.contains(tmpDir.file("dir21"))
        set.flatten() == [dir1.path]
    }

    def "creates from file system root files"() {
        expect:
        def set = DefaultFileHierarchySet.of(Arrays.asList(File.listRoots()))
        set.contains(tmpDir.file("any"))
    }

    def "can add dir to empty set"() {
        def empty = DefaultFileHierarchySet.of([])
        def dir1 = tmpDir.createDir("dir1")
        def dir2 = tmpDir.createDir("dir2")

        expect:
        def s1 = empty.plus(dir1)
        s1.contains(dir1)
        !s1.contains(dir2)

        def s2 = empty.plus(dir2)
        !s2.contains(dir1)
        s2.contains(dir2)
    }

    def "can add dir to singleton set"() {
        def parent = tmpDir.createDir()
        def dir1 = parent.createDir("dir1")
        def dir2 = parent.createDir("dir2")
        def dir3 = parent.createDir("dir3")
        def tooMany = parent.createDir("dir12")
        def tooFew = parent.createDir("dir")
        def child = dir1.createDir("child1")
        def single = DefaultFileHierarchySet.of([dir1])

        expect:
        def s1 = single.plus(dir2)
        s1.contains(dir1)
        s1.contains(child)
        s1.contains(dir2)
        !s1.contains(dir3)
        !s1.contains(tooFew)
        !s1.contains(tooMany)
        !s1.contains(parent)
        s1.flatten() == [parent.path, "1:dir1", "1:dir2"]

        def s2 = single.plus(dir1)
        s2.contains(dir1)
        s2.contains(child)
        !s2.contains(dir2)
        !s2.contains(dir3)
        !s2.contains(tooFew)
        !s2.contains(tooMany)
        !s2.contains(parent)
        s2.flatten() == [dir1.path]

        def s3 = single.plus(child)
        s3.contains(dir1)
        s3.contains(child)
        !s3.contains(dir2)
        !s3.contains(dir3)
        !s3.contains(tooFew)
        !s3.contains(tooMany)
        !s3.contains(parent)
        s3.flatten() == [dir1.path]

        def s4 = single.plus(parent)
        s4.contains(dir1)
        s4.contains(child)
        s4.contains(dir2)
        s4.contains(dir3)
        s4.contains(parent)
        s4.flatten() == [parent.path]

        def s5 = single.plus(tooFew)
        s5.contains(dir1)
        s5.contains(child)
        s5.contains(tooFew)
        !s5.contains(dir2)
        !s5.contains(tooMany)
        !s5.contains(parent)
        s5.flatten() == [parent.path, "1:dir1", "1:dir"]

        def s6 = single.plus(tooMany)
        s6.contains(dir1)
        s6.contains(child)
        s6.contains(tooMany)
        !s6.contains(dir2)
        !s6.contains(tooFew)
        !s6.contains(parent)
        s6.flatten() == [parent.path, "1:dir1", "1:dir12"]
    }

    def "can add dir to multi set"() {
        def parent = tmpDir.createDir()
        def dir1 = parent.createDir("dir1")
        def dir2 = parent.createDir("dir2")
        def dir3 = parent.createDir("dir3")
        def other = parent.createDir("dir4")
        def child = dir1.createDir("child1")
        def multi = DefaultFileHierarchySet.of([dir1, dir2])

        expect:
        def s1 = multi.plus(dir3)
        s1.contains(dir1)
        s1.contains(child)
        s1.contains(dir2)
        s1.contains(dir3)
        !s1.contains(other)
        !s1.contains(parent)
        s1.flatten() == [parent.path, "1:dir1", "1:dir2", "1:dir3"]

        def s2 = multi.plus(dir2)
        s2.contains(dir1)
        s2.contains(child)
        s2.contains(dir2)
        !s2.contains(dir3)
        !s2.contains(other)
        !s2.contains(parent)
        s2.flatten() == [parent.path, "1:dir1", "1:dir2"]

        def s3 = multi.plus(child)
        s3.contains(dir1)
        s3.contains(child)
        s3.contains(dir2)
        !s3.contains(dir3)
        !s3.contains(other)
        !s3.contains(parent)
        s3.flatten() == [parent.path, "1:dir1", "1:dir2"]

        def s4 = multi.plus(parent)
        s4.contains(dir1)
        s4.contains(child)
        s4.contains(dir2)
        s4.contains(other)
        s4.contains(parent)
        s4.flatten() == [parent.path]
    }

    def "splits and merges prefixes as directories are added"() {
        def parent = tmpDir.createDir()
        def dir1 = parent.createDir("dir1")
        def dir1dir2 = dir1.createDir("dir2")
        def dir1dir2dir3 = dir1dir2.createDir("dir3")
        def dir1dir2dir4 = dir1dir2.createDir("dir4")
        def dir1dir5 = dir1.createDir("dir5/and/more")
        def dir6 = parent.createDir("dir6")

        expect:
        def s1 = DefaultFileHierarchySet.of([dir1dir2dir3, dir1dir5])
        s1.flatten() == [dir1.path, "1:dir2/dir3", "1:dir5/and/more"]

        def s2 = s1.plus(dir1dir2dir4)
        s2.flatten() == [dir1.path, "1:dir2", "2:dir3", "2:dir4", "1:dir5/and/more"]

        def s3 = s2.plus(dir6)
        s3.flatten() == [parent.path, "1:dir1", "2:dir2", "3:dir3", "3:dir4", "2:dir5/and/more", "1:dir6"]

        def s4 = s3.plus(dir1dir2)
        s4.flatten() == [parent.path, "1:dir1", "2:dir2", "2:dir5/and/more", "1:dir6"]

        def s5 = s4.plus(dir1)
        s5.flatten() == [parent.path, "1:dir1", "1:dir6"]

        def s6 = s3.plus(dir1)
        s6.flatten() == [parent.path, "1:dir1", "1:dir6"]

        def s7 = s3.plus(parent)
        s7.flatten() == [parent.path]
    }
}




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