server: Add junit tests to verify SeriesModelSerializer

trace-server/org.eclipse.tracecompass.incubator.trace.server.jersey.rest.core.tests/src/org/eclipse/tracecompass/incubator/trace/server/jersey/rest/core/tests/webapp/SeriesModelSerializerTest.java

@@ -0,0 +1,95 @@
+/*******************************************************************************
+ * Copyright (c) 2025 Ericsson and others
+ *
+ * All rights reserved. This program and the accompanying materials are
+ * made available under the terms of the Eclipse Public License 2.0 which
+ * accompanies this distribution, and is available at
+ * https://www.eclipse.org/legal/epl-2.0/
+ *
+ * SPDX-License-Identifier: EPL-2.0
+ *******************************************************************************/
+
+package org.eclipse.tracecompass.incubator.trace.server.jersey.rest.core.tests.webapp;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+
+import java.util.List;
+
+import org.eclipse.tracecompass.incubator.internal.trace.server.jersey.rest.core.webapp.OutputElementStyleSerializer;
+import org.eclipse.tracecompass.incubator.internal.trace.server.jersey.rest.core.webapp.SeriesModelSerializer;
+import org.eclipse.tracecompass.incubator.trace.server.jersey.rest.core.tests.stubs.OutputElementStyleStub;
+import org.eclipse.tracecompass.incubator.trace.server.jersey.rest.core.tests.stubs.XySeriesStub;
+import org.eclipse.tracecompass.tmf.core.model.OutputElementStyle;
+import org.eclipse.tracecompass.tmf.core.model.SeriesModel.SeriesModelBuilder;
+import org.eclipse.tracecompass.tmf.core.model.StyleProperties;
+import org.eclipse.tracecompass.tmf.core.model.xy.ISeriesModel;
+import org.eclipse.tracecompass.tmf.core.model.xy.ISeriesModel.DisplayType;
+import org.junit.Test;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.module.SimpleModule;
+
+/**
+ * Test the {@link SeriesModelSerializer}
+ *
+ * @author Bernd Hufmann
+ */
+public class SeriesModelSerializerTest extends AbstractSerializerTest {
+
+    private static final long ID = 0;
+    private static final String TITLE = "valid-styles";
+    private static final long[] times = { 0, 1, 2, 3 };
+    private static final double[] fValues = { 0.1, 0.2, 0.3, 0.4 };
+
+    /**
+     * Verify that series models are serialized properly
+     *
+     * @throws JsonProcessingException
+     *             if an error occurs
+     */
+    @SuppressWarnings("null")
+    @Test
+    public void testValidStyles() throws JsonProcessingException {
+
+        SeriesModelBuilder builder = new SeriesModelBuilder(ID, TITLE, times, fValues);
+        ISeriesModel lineModel = builder.build();
+        builder.seriesDisplayType(DisplayType.SCATTER);
+        ISeriesModel scatterModel = builder.build();
+
+        SimpleModule module = new SimpleModule();
+        module.addSerializer(ISeriesModel.class, new SeriesModelSerializer());
+        module.addSerializer(OutputElementStyle.class, new OutputElementStyleSerializer());
+        fMapper.registerModule(module);
+
+        String json = fMapper.writeValueAsString(lineModel);
+        XySeriesStub deserialized = fMapper.readValue(json, XySeriesStub.class);
+        assertNotNull(deserialized);
+        assertEquals(TITLE, deserialized.getName());
+        assertEquals(ID, deserialized.getId());
+        List<Long> xValues = deserialized.getXValues();
+        assertTrue(times.length == xValues.size());
+        for (int i = 0; i < times.length; i++) {
+            assertEquals(i, times[i], xValues.get(i));
+        }
+        List<Double> yValues = deserialized.getYValues();
+        assertTrue(fValues.length == yValues.size());
+        for (int i = 0; i < fValues.length; i++) {
+            assertEquals(fValues[i], yValues.get(i), 0.000001);
+        }
+        OutputElementStyleStub style = deserialized.getStyle();
+        assertNotNull(style);
+        assertNull(style.getParentKey());
+        assertEquals(StyleProperties.SeriesType.LINE, style.getStyleValues().get(StyleProperties.SERIES_TYPE));
+
+        json = fMapper.writeValueAsString(scatterModel);
+        deserialized = fMapper.readValue(json, XySeriesStub.class);
+        assertNotNull(deserialized);
+        style = deserialized.getStyle();
+        assertNotNull(style);
+        assertNull(style.getParentKey());
+        assertEquals(StyleProperties.SeriesType.SCATTER, style.getStyleValues().get(StyleProperties.SERIES_TYPE));
+    }
+}

trace-server/org.eclipse.tracecompass.incubator.trace.server.jersey.rest.core/src/org/eclipse/tracecompass/incubator/internal/trace/server/jersey/rest/core/webapp/SeriesModelSerializer.java

@@ -38,7 +38,7 @@ public class SeriesModelSerializer extends StdSerializer<@NonNull ISeriesModel>
     /**
      * Constructor.
      */
-    protected SeriesModelSerializer() {
+    public SeriesModelSerializer() {
         super(ISeriesModel.class);
     }