implementation and unit tests

scm-plugins/scm-git-plugin/src/test/java/sonia/scm/repository/ScmGpgSignerTest.java

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+/*
+ * MIT License
+ *
+ * Copyright (c) 2020-present Cloudogu GmbH and Contributors
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+package sonia.scm.repository;
+
+import org.eclipse.jgit.api.Git;
+import org.eclipse.jgit.api.errors.CanceledException;
+import org.eclipse.jgit.internal.storage.dfs.DfsRepositoryDescription;
+import org.eclipse.jgit.internal.storage.dfs.InMemoryRepository;
+import org.eclipse.jgit.lib.CommitBuilder;
+import org.eclipse.jgit.lib.GpgSigner;
+import org.eclipse.jgit.lib.PersonIdent;
+import org.eclipse.jgit.lib.Repository;
+import org.eclipse.jgit.revwalk.RevCommit;
+import org.eclipse.jgit.transport.CredentialsProvider;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.junit.jupiter.api.io.TempDir;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+import sonia.scm.security.GPG;
+import sonia.scm.security.PrivateKey;
+
+import java.io.InputStream;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.Mockito.when;
+
+@ExtendWith(MockitoExtension.class)
+class ScmGpgSignerTest {
+
+  @Mock
+  GPG gpg;
+
+  @Mock
+  PersonIdent personIdent;
+
+  @Mock
+  CredentialsProvider credentialsProvider;
+
+  private ScmGpgSigner signer;
+
+  private final PrivateKey privateKey = new PrivateKey() {
+    @Override
+    public String getId() {
+      return "Private Key";
+    }
+
+    @Override
+    public byte[] sign(InputStream stream) {
+      return "MY FANCY SIGNATURE".getBytes();
+    }
+  };
+
+  @BeforeEach
+  void beforeEach() {
+    signer = new ScmGpgSigner(gpg);
+  }
+
+  @Test
+  void sign(@TempDir Path workdir) throws Exception {
+
+    when(gpg.getPrivateKey()).thenReturn(privateKey);
+
+    GpgSigner.setDefault(signer);
+
+    Path repositoryPath = workdir.resolve("repository");
+    Git git = Git.init().setDirectory(repositoryPath.toFile()).call();
+
+    Files.write(repositoryPath.resolve("README.md"), "# Hello".getBytes(StandardCharsets.UTF_8));
+    git.add().addFilepattern("README.md").call();
+
+    git.commit()
+      .setAuthor("Bob The Signer", "sign@bob.de")
+      .setMessage("Signed from Bob")
+      .setSign(true)
+      .setSigningKey("Private Key")
+      .call();
+
+    RevCommit commit = git.log().setMaxCount(1).call().iterator().next();
+
+    final byte[] rawCommit = commit.getRawBuffer();
+    final String commitString = new String(rawCommit);
+    assertThat(commitString).contains("gpgsig MY FANCY SIGNATURE");
+  }
+
+  @Test
+  void canLocateSigningKey() throws CanceledException {
+    assertThat(signer.canLocateSigningKey("foo", personIdent, credentialsProvider)).isTrue();
+  }
+}