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Add unit test for Mandrel.getPkgFromJson
Test parsing of GitHub release JSON using 5 representative Mandrel releases (JDK 17/21/23/24/25). Verifies asset filtering, platform detection, archive types, JDK version extraction, prerelease skipping, and non-matching filename handling. Requires FOOJAY_API_ENVIRONMENT=test to avoid MQTT initialization.
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‎src/test/java/io/foojay/api/distribution/MandrelTest.java‎

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/*
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* Copyright (c) 2026.
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*
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* This file is part of DiscoAPI.
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*
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* DiscoAPI is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* DiscoAPI is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with DiscoAPI. If not, see <http://www.gnu.org/licenses/>.
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*/
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package io.foojay.api.distribution;
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import com.google.gson.JsonArray;
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import com.google.gson.JsonObject;
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import eu.hansolo.jdktools.Architecture;
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import eu.hansolo.jdktools.ArchiveType;
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import eu.hansolo.jdktools.OperatingSystem;
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import eu.hansolo.jdktools.PackageType;
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import eu.hansolo.jdktools.ReleaseStatus;
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import io.foojay.api.pkg.Distro;
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import io.foojay.api.pkg.Pkg;
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import org.junit.jupiter.api.Test;
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import java.util.List;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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import static org.junit.jupiter.api.Assertions.assertFalse;
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import static org.junit.jupiter.api.Assertions.assertTrue;
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public class MandrelTest {
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private static final Mandrel MANDREL = new Mandrel();
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/**
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* Builds a GitHub-release-style JsonObject for a Mandrel release.
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*/
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private JsonObject buildReleaseJson(String tagName, boolean prerelease, String[][] assets) {
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JsonObject release = new JsonObject();
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release.addProperty("tag_name", tagName);
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release.addProperty("prerelease", prerelease);
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JsonArray assetsArray = new JsonArray();
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for (String[] asset : assets) {
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JsonObject assetObj = new JsonObject();
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assetObj.addProperty("name", asset[0]);
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assetObj.addProperty("browser_download_url", asset[1]);
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assetsArray.add(assetObj);
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}
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release.add("assets", assetsArray);
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return release;
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}
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/**
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* Builds a standard set of assets for a Mandrel release, including
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* the .sha1 and .sha256 files that should be filtered out.
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*/
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private String[][] buildStandardAssets(String tagName, int javaVersion) {
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String version = tagName.replace("mandrel-", "");
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String base = "https://github.com/graalvm/mandrel/releases/download/" + tagName + "/";
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return new String[][] {
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{ "mandrel-java" + javaVersion + "-linux-aarch64-" + version + ".tar.gz",
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base + "mandrel-java" + javaVersion + "-linux-aarch64-" + version + ".tar.gz" },
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{ "mandrel-java" + javaVersion + "-linux-aarch64-" + version + ".tar.gz.sha1",
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base + "mandrel-java" + javaVersion + "-linux-aarch64-" + version + ".tar.gz.sha1" },
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{ "mandrel-java" + javaVersion + "-linux-aarch64-" + version + ".tar.gz.sha256",
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base + "mandrel-java" + javaVersion + "-linux-aarch64-" + version + ".tar.gz.sha256" },
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{ "mandrel-java" + javaVersion + "-linux-amd64-" + version + ".tar.gz",
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base + "mandrel-java" + javaVersion + "-linux-amd64-" + version + ".tar.gz" },
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{ "mandrel-java" + javaVersion + "-linux-amd64-" + version + ".tar.gz.sha1",
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base + "mandrel-java" + javaVersion + "-linux-amd64-" + version + ".tar.gz.sha1" },
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{ "mandrel-java" + javaVersion + "-linux-amd64-" + version + ".tar.gz.sha256",
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base + "mandrel-java" + javaVersion + "-linux-amd64-" + version + ".tar.gz.sha256" },
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{ "mandrel-java" + javaVersion + "-macos-aarch64-" + version + ".tar.gz",
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base + "mandrel-java" + javaVersion + "-macos-aarch64-" + version + ".tar.gz" },
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{ "mandrel-java" + javaVersion + "-macos-aarch64-" + version + ".tar.gz.sha1",
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base + "mandrel-java" + javaVersion + "-macos-aarch64-" + version + ".tar.gz.sha1" },
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{ "mandrel-java" + javaVersion + "-macos-aarch64-" + version + ".tar.gz.sha256",
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base + "mandrel-java" + javaVersion + "-macos-aarch64-" + version + ".tar.gz.sha256" },
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{ "mandrel-java" + javaVersion + "-windows-amd64-" + version + ".zip",
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base + "mandrel-java" + javaVersion + "-windows-amd64-" + version + ".zip" },
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{ "mandrel-java" + javaVersion + "-windows-amd64-" + version + ".zip.sha1",
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base + "mandrel-java" + javaVersion + "-windows-amd64-" + version + ".zip.sha1" },
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{ "mandrel-java" + javaVersion + "-windows-amd64-" + version + ".zip.sha256",
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base + "mandrel-java" + javaVersion + "-windows-amd64-" + version + ".zip.sha256" },
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};
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}
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@Test
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public void getPkgFromJsonParsesLatest10Releases() {
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String[][] releases = {
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{ "mandrel-25.0.2.0-Final", "25" },
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{ "mandrel-24.2.2.0-Final", "24" },
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{ "mandrel-24.1.2.0-Final", "23" },
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{ "mandrel-23.1.10.0-Final", "21" },
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{ "mandrel-23.0.6.0-Final", "17" },
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};
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for (String[] release : releases) {
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String tagName = release[0];
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int javaVer = Integer.parseInt(release[1]);
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String[][] assets = buildStandardAssets(tagName, javaVer);
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JsonObject releaseJson = buildReleaseJson(tagName, false, assets);
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List<Pkg> pkgs = MANDREL.getPkgFromJson(
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releaseJson, null, false, null, null, null, null, null, false, null, null, false);
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// Each release has 4 actual binaries (sha1/sha256 filtered out)
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assertEquals(4, pkgs.size(), "Expected 4 packages for " + tagName);
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for (Pkg pkg : pkgs) {
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// Distribution
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assertEquals(Distro.MANDREL.get(), pkg.getDistribution(),
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"Distribution mismatch for " + pkg.getFilename());
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// Package type is always JDK
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assertEquals(PackageType.JDK, pkg.getPackageType(),
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"PackageType mismatch for " + pkg.getFilename());
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// Release status is always GA
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assertEquals(ReleaseStatus.GA, pkg.getReleaseStatus(),
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"ReleaseStatus mismatch for " + pkg.getFilename());
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// Free use in production
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assertTrue(pkg.getFreeUseInProduction(),
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"FreeUseInProduction should be true for " + pkg.getFilename());
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// JDK version matches the java version in the filename
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assertEquals(javaVer, pkg.getJdkVersion().getAsInt(),
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"JDK version mismatch for " + pkg.getFilename());
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// Filename should start with mandrel-java
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assertTrue(pkg.getFilename().startsWith("mandrel-java" + javaVer),
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"Filename prefix mismatch: " + pkg.getFilename());
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// Direct download URI should be set
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assertFalse(pkg.getDirectDownloadUri().isEmpty(),
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"Download URI should not be empty for " + pkg.getFilename());
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// Architecture and OS should be resolved
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assertTrue(pkg.getArchitecture() != Architecture.NONE,
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"Architecture should be resolved for " + pkg.getFilename());
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assertTrue(pkg.getOperatingSystem() != OperatingSystem.NONE,
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"OS should be resolved for " + pkg.getFilename());
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}
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// Verify specific platform combinations
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long linuxAarch64 = pkgs.stream()
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.filter(p -> p.getOperatingSystem() == OperatingSystem.LINUX
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&& p.getArchitecture() == Architecture.AARCH64)
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.count();
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long linuxAmd64 = pkgs.stream()
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.filter(p -> p.getOperatingSystem() == OperatingSystem.LINUX
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&& p.getArchitecture() == Architecture.AMD64)
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.count();
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long macosAarch64 = pkgs.stream()
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.filter(p -> p.getOperatingSystem() == OperatingSystem.MACOS
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&& p.getArchitecture() == Architecture.AARCH64)
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.count();
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long windowsAmd64 = pkgs.stream()
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.filter(p -> p.getOperatingSystem() == OperatingSystem.WINDOWS
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&& p.getArchitecture() == Architecture.AMD64)
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.count();
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assertEquals(1, linuxAarch64, "Expected 1 linux-aarch64 pkg for " + tagName);
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assertEquals(1, linuxAmd64, "Expected 1 linux-amd64 pkg for " + tagName);
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assertEquals(1, macosAarch64, "Expected 1 macos-aarch64 pkg for " + tagName);
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assertEquals(1, windowsAmd64, "Expected 1 windows-amd64 pkg for " + tagName);
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// Verify archive types
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long tarGzCount = pkgs.stream().filter(p -> p.getArchiveType() == ArchiveType.TAR_GZ).count();
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long zipCount = pkgs.stream().filter(p -> p.getArchiveType() == ArchiveType.ZIP).count();
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assertEquals(3, tarGzCount, "Expected 3 tar.gz packages for " + tagName);
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assertEquals(1, zipCount, "Expected 1 zip package for " + tagName);
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}
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}
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@Test
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public void getPkgFromJsonSkipsPrerelease() {
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String[][] assets = buildStandardAssets("mandrel-25.0.2.0-Final", 25);
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JsonObject releaseJson = buildReleaseJson("mandrel-25.0.2.0-Final", true, assets);
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List<Pkg> pkgs = MANDREL.getPkgFromJson(
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releaseJson, null, false, null, null, null, null, null, false, null, null, false);
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assertTrue(pkgs.isEmpty(), "Prerelease should produce no packages");
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}
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@Test
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public void getPkgFromJsonSkipsNonMatchingFilenames() {
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String base = "https://github.com/graalvm/mandrel/releases/download/mandrel-25.0.2.0-Final/";
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String[][] assets = {
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{ "some-random-file.txt", base + "some-random-file.txt" },
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{ "mandrel-sources-25.0.2.0.source.tar.gz", base + "mandrel-sources.source.tar.gz" },
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{ "release-notes.jar", base + "release-notes.jar" },
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};
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JsonObject releaseJson = buildReleaseJson("mandrel-25.0.2.0-Final", false, assets);
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List<Pkg> pkgs = MANDREL.getPkgFromJson(
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releaseJson, null, false, null, null, null, null, null, false, null, null, false);
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assertTrue(pkgs.isEmpty(), "Non-matching filenames should produce no packages");
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}
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}

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