fix(indexing): Fix indexing full text terms to support exact match; fix isbn seach term processor

- Change instance folio_word_delimiter_graph to catenate_all
- Preserve trailing asterisc in IsbnSearchTermProcessor

Closes: MSEARCH-1011

Author: viacheslavkol

NEWS.md

@@ -67,6 +67,7 @@
   * Fix soft-deleted items being indexed into elasticsearch ([MSEARCH-1119](https://folio-org.atlassian.net/browse/MSEARCH-1119))
   * Add error handling on upload range processing ([MSEARCH-1151](https://folio-org.atlassian.net/browse/MSEARCH-1151))
   * Ignore shadow locations and location units while indexing domain events ([MSEARCH-1154](https://folio-org.atlassian.net/browse/MSEARCH-1154))
+  * Change instance index folio_word_delimiter_graph to catenate_all, honor '*' in IsbnSearchTermProcessor ([MSEARCH-1011](https://folio-org.atlassian.net/browse/MSEARCH-1011))
 
 ### Tech Dept
 * Migrate to Opensearch 3.0.0 ([MSEARCH-1033](https://folio-org.atlassian.net/browse/MSEARCH-1033))

src/main/java/org/folio/search/cql/searchterm/IsbnSearchTermProcessor.java

@@ -1,5 +1,7 @@
 package org.folio.search.cql.searchterm;
 
+import static org.folio.search.utils.SearchUtils.ASTERISKS_SIGN;
+
 import lombok.RequiredArgsConstructor;
 import org.folio.search.service.setter.instance.IsbnProcessor;
 import org.springframework.stereotype.Component;
@@ -12,6 +14,10 @@ public class IsbnSearchTermProcessor implements SearchTermProcessor {
 
   @Override
   public String getSearchTerm(String inputTerm) {
-    return String.join(" ", isbnProcessor.normalizeIsbn(inputTerm));
+    var hasWildcard = inputTerm.endsWith(ASTERISKS_SIGN);
+    var termToNormalize = hasWildcard ? inputTerm.substring(0, inputTerm.length() - 1) : inputTerm;
+    var normalized = String.join(" ", isbnProcessor.normalizeIsbn(termToNormalize));
+
+    return hasWildcard ? normalized + ASTERISKS_SIGN : normalized;
   }
 }

src/main/resources/elasticsearch/index/instance.json

@@ -10,7 +10,7 @@
     "filter": {
       "folio_word_delimiter_graph": {
         "type": "word_delimiter_graph",
-        "catenate_words": true
+        "catenate_all": true
       }
     },
     "normalizer": {

src/test/java/org/folio/search/cql/searchterm/IsbnSearchTermProcessorTest.java

@@ -36,4 +36,20 @@ void getSearchTerm_positive_multipleValues() {
     var actual = isbnSearchTermProcessor.getSearchTerm(searchTerm);
     assertThat(actual).isEqualTo("1861972717 9781861972712 (paper)");
   }
+
+  @Test
+  void getSearchTerm_withTrailingWildcard() {
+    var searchTerm = "9781609383657*";
+    when(isbnProcessor.normalizeIsbn("9781609383657")).thenReturn(List.of("9781609383657"));
+    var actual = isbnSearchTermProcessor.getSearchTerm(searchTerm);
+    assertThat(actual).isEqualTo("9781609383657*");
+  }
+
+  @Test
+  void getSearchTerm_withTrailingWildcard_isbn10() {
+    var searchTerm = "047144250X*";
+    when(isbnProcessor.normalizeIsbn("047144250X")).thenReturn(List.of("047144250x", "9780471442509"));
+    var actual = isbnSearchTermProcessor.getSearchTerm(searchTerm);
+    assertThat(actual).isEqualTo("047144250x 9780471442509*");
+  }
 }

src/test/java/org/folio/search/service/setter/instance/IsbnProcessorTest.java

@@ -60,6 +60,54 @@ void getFieldValue_negative_failedToLoadReferenceData() {
     assertThat(actual).isEmpty();
   }
 
+  @MethodSource("normalizeIsbnDataProvider")
+  @DisplayName("normalizeIsbn_parameterized")
+  @ParameterizedTest(name = "[{index}] input=''{0}'', expected={1}")
+  void normalizeIsbn_parameterized(String input, List<String> expected) {
+    var actual = isbnProcessor.normalizeIsbn(input);
+    assertThat(actual).containsExactlyElementsOf(expected);
+  }
+
+  @SuppressWarnings("checkstyle:MethodLength")
+  private static Stream<Arguments> normalizeIsbnDataProvider() {
+    return Stream.of(
+      // Empty/whitespace cases
+      arguments("", emptyList()),
+      arguments("  ", emptyList()),
+
+      // Valid ISBN-10 (with valid checksum - converts to ISBN-13)
+      arguments("  1-86197-271-7  ", List.of("1861972717", "9781861972712")),  // Covers trimming + formatting
+      arguments("1 86197 271-7 (paper)", List.of("1861972717", "9781861972712", "(paper)")),
+
+      // Invalid ISBN-10 checksum (normalized only, no conversion)
+      arguments("047144250X", List.of("047144250x")),
+      arguments("047144250X (paper)", List.of("047144250x (paper)")),
+
+      // Invalid ISBN-10 format (non-standard spacing/hyphens)
+      arguments("1-86-197 271-7", List.of("1861972717")),  // Invalid spacing
+      arguments("1 86197 2717 (paper)", List.of("1861972717 (paper)")),
+
+      // Valid ISBN-13
+      arguments("9781609383657", List.of("9781609383657")),
+      arguments("9790471442509", List.of("9790471442509")),  // 979 prefix
+
+      // ISBN-13 with formatting variations
+      arguments("978   0   471   44250   9", List.of("9780471442509")),  // Multiple spaces
+      arguments("978 0 471 44250 9 (alk. paper)", List.of("9780471442509", "(alk. paper)")),
+
+      // Invalid ISBN-13 (wrong prefix or malformed)
+      arguments("89780471442509 (alk. paper)", List.of("89780471442509 (alk. paper)")),
+      arguments("978-0 4712 442509 (alk. paper)", List.of("97804712442509 (alk. paper)")),
+
+      // Valid ISBN-10 with qualifier treated as extra text
+      arguments("1861972717 extra text", List.of("1861972717", "9781861972712", "extra text")),
+
+      // Non-ISBN strings (normalized with char removal)
+      arguments("ISBN 047144250X", List.of("isbn 047144250x")),
+      arguments("1 2 3 4 5", List.of("12345"))
+    );
+  }
+
   @SuppressWarnings("checkstyle:MethodLength")
   private static Stream<Arguments> isbnDataProvider() {
     return Stream.of(

src/test/resources/test-resources/instance-search-test-queries.csv

@@ -393,4 +393,11 @@ Case,Query,Value
 392,"issn = ""{value}""",0*-*x
 393,"issn = ""{value}""",*X
 394,"issn = ""{value}""",*x
-395,"issn = ""{value}""",0040-781*
+395,"issn = ""{value}""",0040-781*
+396,"isbn = ""{value}""",0471442*
+397,"isbn = ""{value}""",047144250X*
+398,"isbn == ""{value}""",047144250X
+399,"isbn == ""{value}""",047144250
+400,"isbn = ""{value}""",9781609383*
+401,"isbn = ""{value}""",9781609383657*
+402,"isbn == ""{value}""",9781609383657