SONAR-21195 Enhance scanner engine to download only required plugins

2 files changed, 95 insertions, 1 deletions

diff --git a/sonar-scanner-engine/src/main/java/org/sonar/scanner/mediumtest/FakeLanguagesRepository.java b/sonar-scanner-engine/src/main/java/org/sonar/scanner/mediumtest/FakeLanguagesRepository.java
new file mode 100644
index 00000000000..7443db29fa3
--- /dev/null
+++ b/sonar-scanner-engine/src/main/java/org/sonar/scanner/mediumtest/FakeLanguagesRepository.java
@@ -0,0 +1,83 @@
+/*
+ * SonarQube
+ * Copyright (C) 2009-2023 SonarSource SA
+ * mailto:info AT sonarsource DOT com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+package org.sonar.scanner.mediumtest;
+
+import java.util.Collection;
+import java.util.Comparator;
+import java.util.HashMap;
+import java.util.Map;
+import javax.annotation.Priority;
+import org.jetbrains.annotations.Nullable;
+import org.sonar.api.resources.Languages;
+import org.sonar.scanner.repository.language.Language;
+import org.sonar.scanner.repository.language.LanguagesRepository;
+import org.sonar.scanner.repository.language.SupportedLanguageDto;
+
+@Priority(1)
+public class FakeLanguagesRepository implements LanguagesRepository {
+
+  private final Map<String, Language> languageMap = new HashMap<>();
+
+  public FakeLanguagesRepository() {
+    languageMap.put("xoo", new Language(new FakeLanguage("xoo", "xoo", new String[] { ".xoo" }, new String[0], true)));
+  }
+
+  public FakeLanguagesRepository(Languages languages) {
+    for (org.sonar.api.resources.Language language : languages.all()) {
+      languageMap.put(language.getKey(), new Language(new FakeLanguage(language.getKey(), language.getName(), language.getFileSuffixes(), language.filenamePatterns(), true)));
+    }
+  }
+
+  @Nullable
+  @Override
+  public Language get(String languageKey) {
+    return languageMap.get(languageKey);
+  }
+
+  @Override
+  public Collection<Language> all() {
+    return languageMap.values().stream()
+      // sorted for test consistency
+      .sorted(Comparator.comparing(Language::key)).toList();
+  }
+
+  public void addLanguage(String key, String name, String[] suffixes, String[] filenamePatterns) {
+    languageMap.put(key, new Language(new FakeLanguage(key, name, suffixes, filenamePatterns, true)));
+  }
+
+  public void addLanguage(String key, String name, String[] suffixes, String[] filenamePatterns, boolean publishAllFiles) {
+    languageMap.put(key, new Language(new FakeLanguage(key, name, suffixes, filenamePatterns, publishAllFiles)));
+  }
+
+  private static class FakeLanguage extends SupportedLanguageDto {
+
+    private final boolean publishAllFiles;
+
+    public FakeLanguage(String key, String name, String[] fileSuffixes, String[] filenamePatterns, boolean publishAllFiles) {
+      super(key, name, fileSuffixes, filenamePatterns);
+      this.publishAllFiles = publishAllFiles;
+    }
+
+    @Override
+    public boolean publishAllFiles() {
+      return publishAllFiles;
+    }
+  }
+}
diff --git a/sonar-scanner-engine/src/main/java/org/sonar/scanner/mediumtest/FakePluginInstaller.java b/sonar-scanner-engine/src/main/java/org/sonar/scanner/mediumtest/FakePluginInstaller.java
index e5697c9b7b8..36e2bbbd298 100644
--- a/sonar-scanner-engine/src/main/java/org/sonar/scanner/mediumtest/FakePluginInstaller.java
+++ b/sonar-scanner-engine/src/main/java/org/sonar/scanner/mediumtest/FakePluginInstaller.java
@@ -24,6 +24,7 @@ import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
 import javax.annotation.Priority;
 import org.sonar.api.Plugin;
 import org.sonar.core.platform.PluginInfo;
@@ -48,7 +49,17 @@ public class FakePluginInstaller implements PluginInstaller {
   }
 
   @Override
-  public Map<String, ScannerPlugin> installRemotes() {
+  public Map<String, ScannerPlugin> installAllPlugins() {
+    return pluginsByKeys;
+  }
+
+  @Override
+  public Map<String, ScannerPlugin> installRequiredPlugins() {
+    return pluginsByKeys;
+  }
+
+  @Override
+  public Map<String, ScannerPlugin> installPluginsForLanguages(Set<String> languageKeys) {
     return pluginsByKeys;
   }