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chore(alchemist-grid): add working directory and contextually refacto…
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alchemist-grid/src/main/kotlin/it/unibo/alchemist/boundary/grid/utils/WorkingDirectory.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| /* | ||
| * Copyright (C) 2010-2023, Danilo Pianini and contributors | ||
| * listed, for each module, in the respective subproject's build.gradle.kts file. | ||
| * | ||
| * This file is part of Alchemist, and is distributed under the terms of the | ||
| * GNU General Public License, with a linking exception, | ||
| * as described in the file LICENSE in the Alchemist distribution's top directory. | ||
| */ | ||
|
|
||
| package it.unibo.alchemist.boundary.grid.utils | ||
|
|
||
| import org.apache.commons.io.FileUtils | ||
| import java.io.File | ||
| import java.net.URL | ||
| import java.nio.charset.StandardCharsets | ||
| import java.nio.file.Files | ||
|
|
||
| /** | ||
| * Manages a temporary working directory. | ||
| */ | ||
| class WorkingDirectory : AutoCloseable { | ||
|
|
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| private val directory = Files.createTempDirectory("alchemist").toFile() | ||
|
|
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| /** | ||
| * The temporary directory url. | ||
| */ | ||
| val url: URL get() = directory.toURI().toURL() | ||
|
|
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| /** | ||
| * Get the folder file content. | ||
| */ | ||
| fun getFileContent(filename: String): String { | ||
| val file = File(getFileAbsolutePath(filename)) | ||
| return FileUtils.readFileToString(file, StandardCharsets.UTF_8) | ||
| } | ||
|
|
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| /** | ||
| * An absolute path for a given filename in this directory. | ||
| */ | ||
| fun getFileAbsolutePath(filename: String): String = "${directory.absolutePath}${File.separator}$filename" | ||
|
|
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| /** | ||
| * Writes multiple files inside the directory | ||
| */ | ||
| fun writeFiles(files: Map<String, ByteArray>) { | ||
| files.forEach { (name, content) -> | ||
| val file = File(getFileAbsolutePath(name)) | ||
| if (file.parentFile.exists() || file.parentFile.mkdirs()) { | ||
| FileUtils.writeByteArrayToFile(file, content) | ||
| } else { | ||
| throw IllegalStateException("Could not create directory structure for $file") | ||
| } | ||
| } | ||
| } | ||
|
|
||
| override fun close() { | ||
| FileUtils.deleteDirectory(directory) | ||
| } | ||
| } |
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56 changes: 56 additions & 0 deletions
56
alchemist-grid/src/test/kotlin/it/unibo/alchemist/test/TestWorkingDirectory.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| /* | ||
| * Copyright (C) 2010-2023, Danilo Pianini and contributors | ||
| * listed, for each module, in the respective subproject's build.gradle.kts file. | ||
| * | ||
| * This file is part of Alchemist, and is distributed under the terms of the | ||
| * GNU General Public License, with a linking exception, | ||
| * as described in the file LICENSE in the Alchemist distribution's top directory. | ||
| */ | ||
|
|
||
| package it.unibo.alchemist.test | ||
|
|
||
| import io.kotest.assertions.withClue | ||
| import io.kotest.core.spec.style.StringSpec | ||
| import io.kotest.matchers.booleans.shouldBeFalse | ||
| import io.kotest.matchers.booleans.shouldBeTrue | ||
| import io.kotest.matchers.maps.shouldHaveSize | ||
| import io.kotest.matchers.nulls.shouldNotBeNull | ||
| import it.unibo.alchemist.boundary.LoadAlchemist | ||
| import it.unibo.alchemist.boundary.Loader | ||
| import it.unibo.alchemist.boundary.grid.simulation.SimulationConfigImpl | ||
| import it.unibo.alchemist.boundary.grid.utils.WorkingDirectory | ||
| import it.unibo.alchemist.model.Time | ||
| import org.kaikikm.threadresloader.ResourceLoader | ||
| import java.io.File | ||
| import java.net.URL | ||
|
|
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| class TestWorkingDirectory : StringSpec({ | ||
| "Files should be correctly written in working directory" { | ||
| val resource = "config/00-dependencies.yml" | ||
| val yaml = ResourceLoader.getResource(resource) | ||
| withClue("Yaml configuration should exits") { | ||
| yaml.shouldNotBeNull() | ||
| } | ||
| val loader: Loader = getLoader(yaml) | ||
| val simulationConfiguration = SimulationConfigImpl(loader, 0, Time.INFINITY) | ||
| simulationConfiguration.dependencies shouldHaveSize 2 | ||
| val test: File | ||
| WorkingDirectory().use { wd -> | ||
| test = File(wd.getFileAbsolutePath("nothing")).parentFile | ||
| test.exists().shouldBeTrue() | ||
| wd.writeFiles(simulationConfiguration.dependencies) | ||
| val newFile = File(wd.getFileAbsolutePath("test.txt")) | ||
| if (newFile.exists() || newFile.createNewFile()) { | ||
| ResourceLoader.addURL(wd.url) | ||
| ResourceLoader.getResource("test.txt").shouldNotBeNull() | ||
| } else { | ||
| error("File was not written in working directory") | ||
| } | ||
| } | ||
| test.exists().shouldBeFalse() | ||
| } | ||
| }) { | ||
| companion object { | ||
| private fun getLoader(yaml: URL) = LoadAlchemist.from(yaml) | ||
| } | ||
| } |
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