[test] Tests for context item in functions

Author: adamretter

exist-core/src/test/java/org/exist/xquery/ContextItemTests.java

@@ -0,0 +1,90 @@
+package org.exist.xquery;
+
+import com.evolvedbinary.j8fu.Either;
+import org.exist.EXistException;
+import org.exist.security.PermissionDeniedException;
+import org.exist.storage.BrokerPool;
+import org.exist.storage.DBBroker;
+import org.exist.test.ExistEmbeddedServer;
+import org.exist.xquery.value.Sequence;
+import org.junit.ClassRule;
+import org.junit.Test;
+
+import static com.evolvedbinary.j8fu.Either.Left;
+import static com.evolvedbinary.j8fu.Either.Right;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+
+public class ContextItemTests {
+
+    @ClassRule
+    public static final ExistEmbeddedServer server = new ExistEmbeddedServer(true, true);
+
+    @Test
+    public void staticFunctionNoContextItem() throws EXistException, PermissionDeniedException {
+        final String query =
+                "declare function local:x() {" +
+                "  //x" +
+                "};" +
+                "local:x()";
+
+        final Either<XPathException, Sequence> result = executeQuery(query);
+        assertXQueryError(ErrorCodes.XPDY0002, result);
+    }
+
+    @Test
+    public void staticFunctionNoInheritContextItem() throws EXistException, PermissionDeniedException {
+        final String query =
+                "declare function local:x() {" +
+                "  //x" +
+                "};" +
+                "<doc><x>1</x><x>2</x></doc>/local:x()";
+
+        final Either<XPathException, Sequence> result = executeQuery(query);
+        assertXQueryError(ErrorCodes.XPDY0002, result);
+    }
+
+    @Test
+    public void dynamicFunctionNoContextItem() throws EXistException, PermissionDeniedException {
+        final String query =
+                "declare function local:x() {" +
+                "  //x" +
+                "};" +
+                "let $ref := local:x#0 return" +
+                "  $ref()";
+
+        final Either<XPathException, Sequence> result = executeQuery(query);
+        assertXQueryError(ErrorCodes.XPDY0002, result);
+    }
+
+    @Test
+    public void dynamicFunctionNoInheritContextItem() throws EXistException, PermissionDeniedException {
+        final String query =
+                "declare function local:x() {" +
+                "  //x" +
+                "};" +
+                "let $ref := local:x#0 return" +
+                "  <doc><x>1</x><x>2</x></doc>/$ref()";
+
+        final Either<XPathException, Sequence> result = executeQuery(query);
+        assertXQueryError(ErrorCodes.XPDY0002, result);
+    }
+
+    private static void assertXQueryError(final ErrorCodes.ErrorCode expected, final Either<XPathException, Sequence> actual) {
+        assertTrue("Expected: " + expected.getErrorQName() + ", but got result: " + actual.toString(), actual.isLeft());
+        final XPathException xpe = actual.left().get();
+        assertEquals(expected, xpe.getErrorCode());
+    }
+
+    private Either<XPathException, Sequence> executeQuery(final String string) throws EXistException, PermissionDeniedException {
+        final BrokerPool pool = server.getBrokerPool();
+        final XQuery xqueryService = pool.getXQueryService();
+        try (final DBBroker broker = pool.getBroker()) {
+            try {
+                return Right(xqueryService.execute(broker, string, null));
+            } catch (final XPathException e) {
+                return Left(e);
+            }
+        }
+    }
+}