Test S3RegionResolver

klab.engine/src/test/java/org/integratedmodelling/klab/test/utils/S3RegionResolverTest.java

@@ -0,0 +1,31 @@
+package org.integratedmodelling.klab.test.utils;
+
+import org.integratedmodelling.klab.utils.s3.S3RegionResolver;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+import software.amazon.awssdk.regions.Region;
+
+public class S3RegionResolverTest {
+
+    @Test
+    public void resolveBucketRegion_resolutionSuccessful() {
+        String bucket = "deafrica-input-datasets";
+        String objectKey = "rainfall_chirps_monthly/chirps-v2.0_2024.03.tif";
+
+        Region ret = S3RegionResolver.resolveBucketRegion(bucket, objectKey);
+
+        Assertions.assertEquals(Region.AF_SOUTH_1, ret);
+    }
+
+    @Test
+    public void resolveBucketRegion_resolutionUnsuccessful() {
+        String bucket = "fake-bucket";
+        String objectKey = "fake-object.tif";
+
+        Assertions.assertThrows(RuntimeException.class, () -> {
+            S3RegionResolver.resolveBucketRegion(bucket, objectKey);
+        });
+    }
+
+}