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// Copyright (C) 2009 The Android Open Source Project
//
// 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 com.google.gimd.jgit
import file.{File, FileType}
import modification.DatabaseModification
import org.junit.Test
import org.junit.Assert._
import org.spearce.jgit.lib.{Constants, ObjectId}
import query.Predicate
final class JGitDatabaseTestCase extends AbstractJGitTestCase {
case class SimpleMessage(name: String, value: Int)
object SimpleMessageType extends UserType[SimpleMessage] {
def toUserObject(m: Message): SimpleMessage = {
val name = m.one("name").stringField.value
val value = m.one("value").intField.value
SimpleMessage(name, value)
}
def fields = List(FieldSpec("name", StringField, _.name), FieldSpec("value", IntField, _.value))
}
object SimpleMessageFileType extends FileType[SimpleMessage] {
val pathPrefix = Some("sm/")
val pathSuffix = Some(".sm")
val userType = SimpleMessageType
def name(m: Message) = m.one("name").stringField.value
}
@Test
def allPaths {
val first = SimpleMessage("first", 1)
val second = SimpleMessage("second", 2)
val files = List(
("sm/toBeIgnored", writeTextContent("this is to be ignored")),
("sm/first.sm", writeMessage(SimpleMessageType, first)),
("sm/second.sm", writeMessage(SimpleMessageType, second))
)
commit(files)
val db = new JGitDatabase(masterBranch)
val foundFiles = db.latestSnapshot.all(SimpleMessageFileType).toList
val expected = List("sm/first.sm", "sm/second.sm")
assertEquals(expected, foundFiles.map(_.path))
}
@Test
def allSimpleMessages {
val first = SimpleMessage("first", 1)
val second = SimpleMessage("second", 2)
val files = List(
("sm/toBeIgnored", writeTextContent("this is to be ignored")),
("sm/first.sm", writeMessage(SimpleMessageType, first)),
("sm/second.sm", writeMessage(SimpleMessageType, second))
)
commit(files)
val db = new JGitDatabase(masterBranch)
val foundFiles = db.latestSnapshot.all(SimpleMessageFileType).toList
val expected = List(first, second)
assertEquals(expected, foundFiles.map(_.userObject))
}
@Test
def allFilterRegularFilesOnly {
val dc = org.spearce.jgit.dircache.DirCache.newInCore
val builder = dc.builder
val entry = new org.spearce.jgit.dircache.DirCacheEntry("sm/exec.sm")
entry.setFileMode(org.spearce.jgit.lib.FileMode.EXECUTABLE_FILE)
entry.setObjectId(writeTextContent("text content"))
builder.add(entry)
builder.finish()
val treeId = dc.writeTree(new org.spearce.jgit.lib.ObjectWriter(masterBranch.repository))
val commitId = createCommit("Test commit", treeId)
moveMaster(commitId)
val db = new JGitDatabase(masterBranch)
val foundFiles = db.latestSnapshot.all(SimpleMessageFileType).toList
assertEquals(Nil, foundFiles)
}
@Test
def modifySimpleMessagesWithoutMovingFiles {
import query.Predicate.functionLiteral2Predicate
val first = SimpleMessage("first", 1)
val second = SimpleMessage("second", 2)
val paths = List("sm/first.sm", "sm/second.sm")
val blobIds = List(writeMessage(SimpleMessageType, first),
writeMessage(SimpleMessageType, second))
commit(paths zip blobIds)
val db = new JGitDatabase(masterBranch)
db.modify { snapshot =>
val sms = snapshot.query(SimpleMessageFileType, (sm: SimpleMessage) => sm.name == "second")
sms.foldLeft(DatabaseModification.empty) {
case (m, (h, sm)) => m.modify(h, SimpleMessage(sm.name, sm.value+1))
}
}
val foundFiles = db.latestSnapshot.all(SimpleMessageFileType).toList
val expectedMsgs = List(first, SimpleMessage(second.name, second.value+1))
assertEquals(expectedMsgs, foundFiles.map(_.userObject))
assertEquals(paths, foundFiles.map(_.path))
}
@Test
def modifySimpleMessagesWithMovingFiles {
import query.Predicate.functionLiteral2Predicate
val first = SimpleMessage("first", 1)
val second = SimpleMessage("second", 2)
val paths = List("sm/first.sm", "sm/second.sm")
val blobIds = List(writeMessage(SimpleMessageType, first),
writeMessage(SimpleMessageType, second))
commit(paths zip blobIds)
val db = new JGitDatabase(masterBranch)
val third = SimpleMessage("third", 3)
db.modify { snapshot =>
val sms = snapshot.query(SimpleMessageFileType, (sm: SimpleMessage) => sm.name == "second")
sms.foldLeft(DatabaseModification.empty) {
case (m, (h, sm)) => m.modify(h, third)
}
}
val foundFiles = db.latestSnapshot.all(SimpleMessageFileType).toList
val expectedMsgs = List(first, third)
val expectedPaths = List("sm/first.sm", "sm/third.sm")
assertEquals(expectedMsgs, foundFiles.map(_.userObject))
assertEquals(expectedPaths, foundFiles.map(_.path))
}
@Test
def deleteSimpleMessage {
import query.Predicate.functionLiteral2Predicate
val first = SimpleMessage("first", 1)
val second = SimpleMessage("second", 2)
val files = List(
("sm/first.sm", writeMessage(SimpleMessageType, first)),
("sm/second.sm", writeMessage(SimpleMessageType, second))
)
commit(files)
val db = new JGitDatabase(masterBranch)
db.modify { snapshot =>
val sms = snapshot.query(SimpleMessageFileType, (sm: SimpleMessage) => sm.name == "second")
sms.foldLeft(DatabaseModification.empty) {
case (m, (h, sm)) => m.remove(h)
}
}
val foundFiles = db.latestSnapshot.all(SimpleMessageFileType).toList
val expected = List(first)
assertEquals(expected, foundFiles.map(_.userObject))
}
@Test
def emptyModificationAndReturn {
val expected = 100
val path = "sm/first.sm"
val blobId = writeMessage(SimpleMessageType, SimpleMessage("first", 1))
commit(List(path -> blobId))
val db = new JGitDatabase(masterBranch)
val result = db.modifyAndReturn { _ => (DatabaseModification.empty, expected) }
assertEquals(expected, result)
}
private def commit(files: List[(String, ObjectId)]) {
val treeId = addFiles(files)
val commitId = createCommit("Test", treeId)
moveMaster(commitId)
}
}
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