Some testing and SubkeyLookup mechanism

pgp-cert-d-java/src/test/java/pgp/cert_d/SubkeyLookupTest.java

@@ -0,0 +1,69 @@
+// SPDX-FileCopyrightText: 2022 Paul Schaub <vanitasvitae@fsfe.org>
+//
+// SPDX-License-Identifier: Apache-2.0
+
+package pgp.cert_d;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Stream;
+
+import org.junit.jupiter.api.AfterAll;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.MethodSource;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNull;
+
+public class SubkeyLookupTest {
+
+    private static final List<SubkeyLookup> testSubjects = new ArrayList<>();
+
+    @BeforeAll
+    public static void setupLookupTestSubjects() {
+        testSubjects.add(new InMemorySubkeyLookup());
+    }
+
+    @AfterAll
+    public static void tearDownLookupTestSubjects() {
+        ((InMemorySubkeyLookup) testSubjects.get(0)).clear();
+    }
+
+    private static Stream<SubkeyLookup> provideSubkeyLookupsForTest() {
+        return testSubjects.stream();
+    }
+
+    @ParameterizedTest
+    @MethodSource("provideSubkeyLookupsForTest")
+    public void testInsertGet(SubkeyLookup subject) {
+        // Initially all null
+
+        assertNull(subject.getIdentifierForSubkeyId(123));
+        assertNull(subject.getIdentifierForSubkeyId(1337));
+        assertNull(subject.getIdentifierForSubkeyId(420));
+
+        // Store one val, others still null
+
+        subject.storeIdentifierForSubkeyId(123, "trust-root");
+
+        assertEquals("trust-root", subject.getIdentifierForSubkeyId(123));
+        assertNull(subject.getIdentifierForSubkeyId(1337));
+        assertNull(subject.getIdentifierForSubkeyId(420));
+
+        // Store other val, first stays intact
+
+        subject.storeIdentifierForSubkeyId(1337, "d1a66e1a23b182c9980f788cfbfcc82a015e7330");
+        subject.storeIdentifierForSubkeyId(420, "d1a66e1a23b182c9980f788cfbfcc82a015e7330");
+
+        assertEquals("trust-root", subject.getIdentifierForSubkeyId(123));
+        assertEquals("d1a66e1a23b182c9980f788cfbfcc82a015e7330", subject.getIdentifierForSubkeyId(1337));
+        assertEquals("d1a66e1a23b182c9980f788cfbfcc82a015e7330", subject.getIdentifierForSubkeyId(420));
+
+        // overwrite existing
+
+        subject.storeIdentifierForSubkeyId(123, "d1a66e1a23b182c9980f788cfbfcc82a015e7330");
+
+        assertEquals("d1a66e1a23b182c9980f788cfbfcc82a015e7330", subject.getIdentifierForSubkeyId(123));
+    }
+}