Ticket8858 regroup checkboxes

base/uk.ac.stfc.isis.ibex.journal.tests/src/uk/ac/stfc/isis/ibex/journal/tests/JournalCategoriserTest.java

@@ -0,0 +1,91 @@
+
+/*
+ * This file is part of the ISIS IBEX application. Copyright (C) 2012-2019
+ * Science & Technology Facilities Council. All rights reserved.
+ *
+ * This program is distributed in the hope that it will be useful. This program
+ * and the accompanying materials are made available under the terms of the
+ * Eclipse Public License v1.0 which accompanies this distribution. EXCEPT AS
+ * EXPRESSLY SET FORTH IN THE ECLIPSE PUBLIC LICENSE V1.0, THE PROGRAM AND
+ * ACCOMPANYING MATERIALS ARE PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES
+ * OR CONDITIONS OF ANY KIND. See the Eclipse Public License v1.0 for more
+ * details.
+ *
+ * You should have received a copy of the Eclipse Public License v1.0 along with
+ * this program; if not, you can obtain a copy from
+ * https://www.eclipse.org/org/documents/epl-v10.php or
+ * http://opensource.org/licenses/eclipse-1.0.php
+ */
+
+package uk.ac.stfc.isis.ibex.journal.tests;
+
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.assertNotNull;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+
+import org.junit.Test;
+
+import uk.ac.stfc.isis.ibex.journal.JournalField;
+import uk.ac.stfc.isis.ibex.journal.JournalFieldCategoriser;
+import uk.ac.stfc.isis.ibex.journal.JournalFieldCategoriser.JournalFieldCategory;
+
+/**
+ * Test the Categorisers for JournalFields.
+ */
+@SuppressWarnings("checkstyle:methodname")
+public class JournalCategoriserTest {
+
+	@Test
+	public void test_all_journal_fields_get_categorised_in_map() {
+		Map<String, List<JournalField>> catMap = JournalFieldCategoriser.calculateCategoryMap();
+
+		for (final JournalField field : JournalField.values()) {
+			boolean exists = catMap.values().stream().anyMatch(list -> list.contains(field));
+			assertTrue(exists);
+		}
+	}
+
+	@Test
+	public void test_all_categories_have_title() {
+		for (final JournalFieldCategory category : JournalFieldCategory.values()) {
+			final String title = category.getCategoryTitle();
+
+			assertNotNull(title);
+			assertTrue(title.length() > 0);
+		}
+	}
+
+
+	@Test
+	public void test_all_categories_have_no_more_than_n_percent_deviation_from_IQR_mean_of_fields_per_category() {
+		Map<String, List<JournalField>> catMap = JournalFieldCategoriser.calculateCategoryMap();
+
+		final List<Integer> lengths = new ArrayList<>(0);
+		final int numCategories = catMap.size();
+
+		for (final List<JournalField> fieldsList : catMap.values()) {
+			lengths.add(fieldsList.size());
+		}
+
+		final double iqr_mean_fields_per_category = lengths.subList(numCategories / 4, (3 * numCategories) / 4).stream()
+				.mapToDouble(a -> a).average().orElse(0.0);
+
+
+
+		for (final List<JournalField> fieldsList : catMap.values()) {
+			// Test: Is every category +/- n% of the average?
+			final double margin = 0.75;
+			final int noFields = fieldsList.size();
+
+			double lower = iqr_mean_fields_per_category * (1.0 - margin);
+			double upper = iqr_mean_fields_per_category * (1.0 + margin);
+
+			assertTrue(noFields >= lower && noFields <= upper);
+		}
+
+	}
+
+}