in MODS test, replace external XSL loading from loc.gov by internal XSL

settings.gradle

@@ -1,7 +1,13 @@
 pluginManagement {
     repositories {
         mavenLocal()
-        mavenCentral()
+        mavenCentral {
+            metadataSources {
+                mavenPom()
+                artifact()
+                ignoreGradleMetadataRedirection()
+            }
+        }
         gradlePluginPortal()
     }
 }

src/test/java/org/xbib/marc/MarcToModsTest.java

@@ -45,7 +45,7 @@ public class MarcToModsTest {
     @Test
     public void testSax() throws Exception {
         String s = "summerland.mrc";
-        InputStream marcInputStream = getClass().getResource(s).openStream();
+        try (InputStream marcInputStream = getClass().getResource(s).openStream()) {
             Marc marc = Marc.builder()
                     .setInputStream(marcInputStream)
                     .setCharset(Charset.forName("ANSEL"))
@@ -65,11 +65,12 @@ public class MarcToModsTest {
             assertThat(writer.toString(),
                     CompareMatcher.isIdenticalTo(getClass().getResource("summerland-sax-marc.xml").openStream()));
         }
+    }
 
     @Test
     public void testDom() throws Exception {
         String s = "summerland.mrc";
-        InputStream marcInputStream = getClass().getResource(s).openStream();
+        try (InputStream marcInputStream = getClass().getResource(s).openStream()) {
             Marc marc = Marc.builder()
                     .setInputStream(marcInputStream)
                     .setCharset(Charset.forName("ANSEL"))
@@ -89,11 +90,12 @@ public class MarcToModsTest {
             assertThat(writer.toString(),
                     CompareMatcher.isIdenticalTo(getClass().getResource("summerland-dom-marc.xml").openStream()));
         }
+    }
 
     @Test
     public void testStylesheetSax() throws Exception {
         String s = "summerland.mrc";
-        InputStream marcInputStream = getClass().getResource(s).openStream();
+        try (InputStream marcInputStream = getClass().getResource(s).openStream()) {
             Marc marc = Marc.builder()
                     .setInputStream(marcInputStream)
                     .setCharset(Charset.forName("ANSEL"))
@@ -104,6 +106,7 @@ public class MarcToModsTest {
             StreamResult streamResult = new StreamResult(out);
             InputStream xslInputStream = getClass().getResourceAsStream("MARC21slim2MODS3-6.xsl");
             TransformerFactory factory = TransformerFactory.newInstance();
+            // required for realtive URI resolving in xsl:include
             factory.setURIResolver(new ClasspathResourceURIResolver());
             Transformer transformer = factory.newTemplates(new StreamSource(xslInputStream)).newTransformer();
             transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "no");
@@ -133,11 +136,12 @@ public class MarcToModsTest {
             assertThat(out.toByteArray(),
                     CompareMatcher.isIdenticalTo(getClass().getResource("summerland-sax-mods.xml").openStream()));
         }
+    }
 
     @Test
     public void testStylesheetDom() throws Exception {
         String s = "summerland.mrc";
-        InputStream marcInputStream = getClass().getResource(s).openStream();
+        try (InputStream marcInputStream = getClass().getResource(s).openStream()) {
             Marc marc = Marc.builder()
                     .setInputStream(marcInputStream)
                     .setCharset(Charset.forName("ANSEL"))
@@ -179,11 +183,18 @@ public class MarcToModsTest {
             assertThat(out.toByteArray(),
                     CompareMatcher.isIdenticalTo(getClass().getResource("summerland-dom-mods.xml").openStream()));
         }
+    }
 
+    /**
+     * With regard to sandboxed CI/CD platforms, we avoid loading external XSL style sheets from loc.gov
+     * We run the test with a local copy.
+     *
+     * @throws Exception if test fails
+     */
     @Test
-    public void testLocStyleSheet() throws Exception {
+    public void testLocLocalCopyStyleSheet() throws Exception {
         String s = "summerland.mrc";
-        InputStream marcInputStream = getClass().getResource(s).openStream();
+        try (InputStream marcInputStream = getClass().getResource(s).openStream()) {
             Marc marc = Marc.builder()
                     .setInputStream(marcInputStream)
                     .setCharset(Charset.forName("ANSEL"))
@@ -191,17 +202,18 @@ public class MarcToModsTest {
                     .build();
             StringWriter sw = new StringWriter();
             Result result = new StreamResult(sw);
-        System.setProperty("http.agent", "Java Agent");
+            URL url = getClass().getResource("MARC21slim2MODS3.xsl");
-        marc.transform(TransformerFactory.newInstance(),
+            TransformerFactory factory = TransformerFactory.newInstance();
-                new URL("http://www.loc.gov/standards/mods/v3/MARC21slim2MODS3.xsl"), result);
+            factory.setURIResolver(new ClasspathResourceURIResolver());
+            marc.transform(factory, url, result);
             assertThat(sw.toString(),
-                CompareMatcher.isIdenticalTo(getClass().getResource("summerland-mods-loc-goc.xml").openStream()));
+                    CompareMatcher.isIdenticalTo(getClass().getResource("summerland-mods-loc-goc-local-copy.xml").openStream()));
+        }
     }
-
 
     private static class ClasspathResourceURIResolver implements URIResolver {
         @Override
-        public Source resolve(String href, String base) throws TransformerException {
+        public Source resolve(String href, String base) {
             return new StreamSource(getClass().getResourceAsStream(href));
         }
     }

src/test/resources/org/xbib/marc/summerland-mods-loc-goc-local-copy.xml

@@ -0,0 +1,54 @@
+<?xml version="1.0" encoding="UTF-8"?><mods xmlns="http://www.loc.gov/mods/v3" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-4.xsd" version="3.4">
+<titleInfo>
+<title>Summerland</title>
+</titleInfo>
+<name type="personal" usage="primary">
+<namePart>Chabon, Michael.</namePart>
+</name>
+<typeOfResource>text</typeOfResource>
+<originInfo>
+<place>
+<placeTerm type="code" authority="marccountry">nyu</placeTerm>
+</place>
+<place>
+<placeTerm type="text">New York</placeTerm>
+</place>
+<publisher>Miramax Books/Hyperion Books for Children</publisher>
+<dateIssued>c2002</dateIssued>
+<dateIssued encoding="marc">2002</dateIssued>
+<edition>1st ed.</edition>
+<issuance>monographic</issuance>
+<frequency/>
+</originInfo>
+<language>
+<languageTerm type="code" authority="iso639-2b">eng</languageTerm>
+</language>
+<physicalDescription>
+<form authority="marcform">print</form>
+<extent>500 p. ; 22 cm.</extent>
+</physicalDescription>
+<abstract>Ethan Feld, the worst baseball player in the history of the game, finds himself recruited by a 100-year-old scout to help a band of fairies triumph over an ancient enemy.</abstract>
+<targetAudience authority="marctarget">juvenile</targetAudience>
+<subject authority="lcshac">
+<topic>Fantasy</topic>
+</subject>
+<subject authority="lcshac">
+<topic>Baseball</topic>
+<genre>Fiction</genre>
+</subject>
+<subject authority="lcshac">
+<topic>Magic</topic>
+<genre>Fiction</genre>
+</subject>
+<identifier type="isbn">0786808772</identifier>
+<identifier type="isbn">0786816155 (pbk.)</identifier>
+<recordInfo>
+<descriptionStandard>aacr</descriptionStandard>
+<recordContentSource authority="marcorg">DLC</recordContentSource>
+<recordCreationDate encoding="marc">020805</recordCreationDate>
+<recordChangeDate encoding="iso8601">20030616111422.0</recordChangeDate>
+<recordIdentifier>12883376</recordIdentifier>
+<recordOrigin>Converted from MARCXML to MODS version 3.4 using MARC21slim2MODS3-4.xsl
+				(Revision 1.70)</recordOrigin>
+</recordInfo>
+</mods>