org.gradle.internal.fingerprint.impl.AbsolutePathFileCollectionFingerprinterTest.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.internal.fingerprint.impl
import org.gradle.api.file.FileCollection
import org.gradle.api.internal.file.TestFiles
import org.gradle.internal.execution.history.changes.AbsolutePathFingerprintCompareStrategy
import org.gradle.internal.execution.history.changes.ChangeTypeInternal
import org.gradle.internal.execution.history.changes.DefaultFileChange
import org.gradle.internal.fingerprint.FileCollectionFingerprint
import org.gradle.test.fixtures.file.TestFile
import org.gradle.test.fixtures.file.TestNameTestDirectoryProvider
import org.gradle.util.ChangeListener
import org.junit.Rule
import spock.lang.Specification
class AbsolutePathFileCollectionFingerprinterTest extends Specification {
def virtualFileSystem = TestFiles.virtualFileSystem()
def fileCollectionSnapshotter = new DefaultFileCollectionSnapshotter(virtualFileSystem, TestFiles.genericFileTreeSnapshotter(), TestFiles.fileSystem())
def fingerprinter = new AbsolutePathFileCollectionFingerprinter(fileCollectionSnapshotter)
def listener = Mock(ChangeListener)
@Rule
public final TestNameTestDirectoryProvider tmpDir = new TestNameTestDirectoryProvider(getClass())
def "retains order of files in the snapshot"() {
given:
TestFile file = tmpDir.createFile('file1')
TestFile file2 = tmpDir.createFile('file2')
TestFile file3 = tmpDir.createFile('file3')
when:
def fingerprint = fingerprinter.fingerprint(files(file, file2, file3))
then:
fingerprint.fingerprints.keySet().collect { new File(it) } == [file, file2, file3]
}
def getElementsIncludesRootDirectories() {
given:
TestFile file = tmpDir.createFile('file1')
TestFile dir = tmpDir.createDir('dir')
TestFile dir2 = dir.createDir('dir2')
TestFile file2 = dir2.createFile('file2')
TestFile noExist = tmpDir.file('file3')
when:
def fingerprint = fingerprinter.fingerprint(files(file, dir, noExist))
then:
fingerprint.fingerprints.keySet().collect { new File(it) } == [file, dir, dir2, file2, noExist]
}
def "retains order of elements in the snapshot"() {
given:
TestFile file = tmpDir.createFile('file1')
TestFile file2 = tmpDir.file('file2')
TestFile file3 = tmpDir.file('file3')
TestFile file4 = tmpDir.createFile('file4')
when:
def fingerprint = fingerprinter.fingerprint(files(file, file2, file3, file4))
then:
fingerprint.fingerprints.keySet().collect { new File(it) } == [file, file2, file3, file4]
}
def generatesEventWhenFileAdded() {
given:
TestFile file1 = tmpDir.createFile('file1')
TestFile file2 = tmpDir.createFile('file2')
when:
def fingerprint = fingerprinter.fingerprint(files(file1))
virtualFileSystem.invalidateAll()
changes(fingerprinter.fingerprint(files(file1, file2)), fingerprint, listener)
then:
1 * listener.added(file2.path)
0 * _
}
def generatesEventWhenFileRemoved() {
given:
TestFile file1 = tmpDir.createFile('file1')
TestFile file2 = tmpDir.createFile('file2')
when:
FileCollectionFingerprint fingerprint = fingerprinter.fingerprint(files(file1, file2))
virtualFileSystem.invalidateAll()
changes(fingerprinter.fingerprint(files(file1)), fingerprint, listener)
then:
1 * listener.removed(file2.path)
0 * _
}
def doesNotGenerateEventForFileWhoseTypeAndMetaDataAndContentHaveNotChanged() {
given:
TestFile file = tmpDir.createFile('file')
file.setLastModified(1234L)
when:
FileCollectionFingerprint fingerprint = fingerprinter.fingerprint(files(file))
virtualFileSystem.invalidateAll()
changes(fingerprinter.fingerprint(files(file)), fingerprint, listener)
file.setLastModified(45600L)
virtualFileSystem.invalidateAll()
changes(fingerprinter.fingerprint(files(file)), fingerprint, listener)
then:
0 * listener._
}
def generatesEventWhenFileBecomesADirectory() {
given:
TestFile root = tmpDir.createDir('root')
TestFile file = root.createFile('file')
def fileCollection = files(root)
when:
FileCollectionFingerprint fingerprint = fingerprinter.fingerprint(fileCollection)
file.delete()
file.createDir()
virtualFileSystem.invalidateAll()
changes(fingerprinter.fingerprint(fileCollection), fingerprint, listener)
then:
1 * listener.changed(file.path)
0 * _
}
def generatesEventWhenFileContentChanges() {
TestFile file = tmpDir.createFile('file')
when:
FileCollectionFingerprint fingerprint = fingerprinter.fingerprint(files(file))
file.write('new content')
virtualFileSystem.invalidateAll()
changes(fingerprinter.fingerprint(files(file)), fingerprint, listener)
then:
1 * listener.changed(file.path)
0 * _
}
def doesNotGenerateEventForDirectoryThatHasNotChanged() {
TestFile dir = tmpDir.createDir('dir')
when:
FileCollectionFingerprint fingerprint = fingerprinter.fingerprint(files(dir))
virtualFileSystem.invalidateAll()
changes(fingerprinter.fingerprint(files(dir)), fingerprint, listener)
then:
0 * _
}
def generatesEventForDirectoryThatBecomesAFile() {
TestFile root = tmpDir.createDir('root')
def fileCollection = files(root)
TestFile dir = root.createDir('dir')
when:
FileCollectionFingerprint fingerprint = fingerprinter.fingerprint(fileCollection)
dir.deleteDir()
dir.createFile()
virtualFileSystem.invalidateAll()
changes(fingerprinter.fingerprint(fileCollection), fingerprint, listener)
then:
1 * listener.changed(dir.path)
0 * listener._
}
def doesNotGenerateEventForMissingFileThatStillIsMissing() {
TestFile file = tmpDir.file('unknown')
when:
FileCollectionFingerprint fingerprint = fingerprinter.fingerprint(files(file))
virtualFileSystem.invalidateAll()
changes(fingerprinter.fingerprint(files(file)), fingerprint, listener)
then:
0 * _
}
def generatesEventWhenMissingFileIsCreated() {
TestFile root = tmpDir.createDir('root')
def fileCollection = files(root)
TestFile file = root.file('newfile')
when:
FileCollectionFingerprint fingerprint = fingerprinter.fingerprint(fileCollection)
file.createFile()
virtualFileSystem.invalidateAll()
changes(fingerprinter.fingerprint(fileCollection), fingerprint, listener)
then:
1 * listener.added(file.path)
}
def generatesEventWhenFileIsDeleted() {
TestFile root = tmpDir.createDir('root')
def fileCollection = files(root)
TestFile file = root.createFile('file')
when:
FileCollectionFingerprint fingerprint = fingerprinter.fingerprint(fileCollection)
file.delete()
virtualFileSystem.invalidateAll()
changes(fingerprinter.fingerprint(fileCollection), fingerprint, listener)
then:
1 * listener.removed(file.path)
}
def ignoresDuplicatesInFileCollection() {
TestFile file1 = tmpDir.createFile('file')
TestFile file2 = tmpDir.createFile('file')
when:
FileCollectionFingerprint fingerprint = fingerprinter.fingerprint(files(file1, file2))
virtualFileSystem.invalidateAll()
changes(fingerprinter.fingerprint(files(file1)), fingerprint, listener)
then:
0 * _
}
def canCreateEmptySnapshot() {
TestFile file = tmpDir.createFile('file')
when:
FileCollectionFingerprint fingerprint = FileCollectionFingerprint.EMPTY
FileCollectionFingerprint newFingerprint = fingerprinter.fingerprint(files(file))
virtualFileSystem.invalidateAll()
changes(newFingerprint, fingerprint, listener)
then:
fingerprint.fingerprints.isEmpty()
1 * listener.added(file.path)
0 * listener._
}
private static void changes(FileCollectionFingerprint newFingerprint, FileCollectionFingerprint oldFingerprint, ChangeListener listener) {
AbsolutePathFingerprintCompareStrategy.INSTANCE.visitChangesSince(newFingerprint, oldFingerprint, "TYPE") { DefaultFileChange change ->
switch (change.type) {
case ChangeTypeInternal.ADDED:
listener.added(change.path)
break
case ChangeTypeInternal.MODIFIED:
listener.changed(change.path)
break
case ChangeTypeInternal.REMOVED:
listener.removed(change.path)
break
}
return true
}
}
private static FileCollection files(File... files) {
TestFiles.fixed(files)
}
}