1 files changed, 52 insertions, 0 deletions
diff --git a/sonar-scanner-engine/src/test/java/org/sonar/scanner/cache/ReadCacheImplTest.java b/sonar-scanner-engine/src/test/java/org/sonar/scanner/cache/ReadCacheImplTest.java
new file mode 100644
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+++ b/sonar-scanner-engine/src/test/java/org/sonar/scanner/cache/ReadCacheImplTest.java
@@ -0,0 +1,52 @@
+/*
+ * SonarQube
+ * Copyright (C) 2009-2022 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.cache;
+
+import java.io.InputStream;
+import org.junit.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+public class ReadCacheImplTest {
+  private final AnalysisCacheStorage storage = mock(AnalysisCacheStorage.class);
+  private final ReadCacheImpl readCache = new ReadCacheImpl(storage);
+
+  @Test
+  public void read_delegates_to_storage() {
+    InputStream is = mock(InputStream.class);
+    when(storage.get("key")).thenReturn(is);
+    when(storage.contains("key")).thenReturn(true);
+    assertThat(readCache.read("key")).isEqualTo(is);
+  }
+
+  @Test
+  public void read_fails_if_key_not_found() {
+    assertThatThrownBy(() -> readCache.read("unknown")).isInstanceOf(IllegalArgumentException.class);
+  }
+
+  @Test
+  public void contains_delegates_to_storage() {
+    when(storage.contains("key")).thenReturn(true);
+    assertThat(readCache.contains("key")).isTrue();
+  }
+}