Add tests for AliasConfigSource. IQSS#7457

src/test/java/edu/harvard/iq/dataverse/settings/source/AliasConfigSourceTest.java

@@ -0,0 +1,41 @@
+package edu.harvard.iq.dataverse.settings.source;
+
+import org.junit.jupiter.api.Test;
+
+import java.io.IOException;
+import java.util.Properties;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class AliasConfigSourceTest {
+
+    AliasConfigSource source = new AliasConfigSource();
+
+    @Test
+    void getValue() {
+        // given
+        System.setProperty("dataverse.hello.foobar", "test");
+        Properties aliases = new Properties();
+        aliases.setProperty("dataverse.goodbye.foobar", "dataverse.hello.foobar");
+
+        // when
+        source.importAliases(aliases);
+
+        // then
+        assertEquals("test", source.getValue("dataverse.goodbye.foobar"));
+    }
+
+    @Test
+    void readImportTestAliasesFromFile() throws IOException {
+        // given
+        System.setProperty("dataverse.old.example", "test");
+        String filePath = "test-microprofile-aliases.properties";
+
+        // when
+        Properties aliases = source.readAliases(filePath);
+        source.importAliases(aliases);
+
+        // then
+        assertEquals("test", source.getValue("dataverse.new.example"));
+    }
+}

src/test/resources/test-microprofile-aliases.properties

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+dataverse.new.example=dataverse.old.example