Add RemoteGitImplTest for a few methods

Author: MarkEWaite

src/test/java/org/jenkinsci/plugins/gitclient/RemoteGitImplTest.java

@@ -0,0 +1,246 @@
+/*
+ * The MIT License
+ *
+ * Copyright 2020 Mark Waite.
+ *
+ * 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 org.jenkinsci.plugins.gitclient;
+
+import com.cloudbees.plugins.credentials.CredentialsScope;
+import com.cloudbees.plugins.credentials.common.StandardCredentials;
+import com.cloudbees.plugins.credentials.common.StandardUsernameCredentials;
+import com.cloudbees.plugins.credentials.common.UsernamePasswordCredentials;
+import com.cloudbees.plugins.credentials.impl.UsernamePasswordCredentialsImpl;
+import hudson.EnvVars;
+import hudson.FilePath;
+import hudson.ProxyConfiguration;
+import hudson.model.TaskListener;
+import hudson.plugins.git.Branch;
+import hudson.plugins.git.GitException;
+import hudson.plugins.git.GitObject;
+import hudson.plugins.git.IndexEntry;
+import hudson.plugins.git.Revision;
+import hudson.plugins.git.Tag;
+import java.io.File;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.Writer;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import org.eclipse.jgit.lib.ObjectId;
+import org.eclipse.jgit.lib.PersonIdent;
+import org.eclipse.jgit.lib.Repository;
+import org.eclipse.jgit.transport.RefSpec;
+import org.eclipse.jgit.transport.RemoteConfig;
+import org.eclipse.jgit.transport.URIish;
+import org.junit.After;
+import org.junit.AfterClass;
+import org.junit.Before;
+import org.junit.BeforeClass;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.TemporaryFolder;
+
+import static org.hamcrest.MatcherAssert.*;
+import static org.hamcrest.Matchers.*;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertThrows;
+import static org.junit.Assert.assertTrue;
+
+public class RemoteGitImplTest {
+
+    public RemoteGitImplTest() {
+    }
+
+    @Rule
+    public TemporaryFolder temporaryFolderRule = new TemporaryFolder();
+
+    private File localFolder;
+    private GitClient defaultClient;
+    private RemoteGitImpl remoteGit;
+    private String gitImplName;
+
+    private java.util.Random random = new java.util.Random();
+
+    @Before
+    public void setUp() throws IOException, InterruptedException {
+        /* Use a randomly selected git implementation in hopes of detecting more issues with fewer tests */
+        String[] gitImplAlternatives = { "git", "jgit", "jgitapache" };
+        gitImplName = gitImplAlternatives[random.nextInt(gitImplAlternatives.length)];
+        localFolder = temporaryFolderRule.newFolder();
+        defaultClient = Git.with(TaskListener.NULL, new EnvVars()).in(localFolder).using(gitImplName).getClient();
+        remoteGit = new RemoteGitImpl(defaultClient);
+    }
+
+    @Test
+    public void testGetRepository() throws IOException, InterruptedException {
+        assertThrows(UnsupportedOperationException.class, () -> {
+            remoteGit.getRepository();
+        });
+    }
+
+    @Test
+    public void testClearCredentials() throws IOException, InterruptedException {
+        remoteGit.clearCredentials();
+    }
+
+    @Test
+    public void testAddCredentials() {
+        CredentialsScope scope = CredentialsScope.GLOBAL;
+        String password = "password";
+        String url = "https://github.com/jenkinsci/git-client-plugin";
+        String username = "user";
+        String id = "username-" + username + "-password-" + password + "-" + random.nextInt();
+        StandardCredentials credentials = new UsernamePasswordCredentialsImpl(scope, username, password, id, "Credential description");
+        remoteGit.addCredentials(url, credentials);
+    }
+
+    @Test
+    public void testSetCredentials() {
+        CredentialsScope scope = CredentialsScope.GLOBAL;
+        String password = "password";
+        String url = "https://github.com/jenkinsci/git-client-plugin";
+        String username = "user";
+        String id = "username-" + username + "-password-" + password + "-" + random.nextInt();
+        StandardUsernameCredentials credentials = new UsernamePasswordCredentialsImpl(scope, username, password, id, "Credential description");
+        remoteGit.setCredentials(credentials);
+    }
+
+    @Test
+    public void testAddDefaultCredentials() {
+        CredentialsScope scope = CredentialsScope.GLOBAL;
+        String password = "password";
+        String url = "https://github.com/jenkinsci/git-client-plugin";
+        String username = "user";
+        String id = "username-" + username + "-password-" + password + "-" + random.nextInt();
+        StandardCredentials credentials = new UsernamePasswordCredentialsImpl(scope, username, password, id, "Credential description");
+        remoteGit.addDefaultCredentials(credentials);
+    }
+
+    @Test
+    public void testSetAuthor_String_String() {
+        String name = "charlie";
+        String email = "charlie@example.com";
+        remoteGit.setAuthor(name, email);
+    }
+
+    @Test
+    public void testSetAuthor_PersonIdent() {
+        String name = "charlie";
+        String email = "charlie@example.com";
+        PersonIdent p = new PersonIdent(name, email);
+        remoteGit.setAuthor(p);
+    }
+
+    @Test
+    public void testSetCommitter_String_String() {
+        String name = "charlie";
+        String email = "charlie@example.com";
+        remoteGit.setCommitter(name, email);
+    }
+
+    @Test
+    public void testSetCommitter_PersonIdent() {
+        String name = "charlie";
+        String email = "charlie@example.com";
+        PersonIdent p = new PersonIdent(name, email);
+        remoteGit.setCommitter(p);
+    }
+
+    @Test
+    public void testGetWorkTree() {
+        FilePath folderPath = new FilePath(localFolder);
+        FilePath remoteFolderPath = remoteGit.getWorkTree();
+        assertThat(remoteFolderPath, is(folderPath));
+    }
+
+    @Test
+    public void testInit() throws Exception {
+        assertFalse("defaultClient has repo before init", defaultClient.hasGitRepo());
+        remoteGit.init();
+        assertTrue("defaultClient missing repo after init", defaultClient.hasGitRepo());
+    }
+
+    private void firstAdd(String fileName) throws Exception {
+        File localFile = new File(localFolder, fileName);
+        byte [] content = ("File " + fileName).getBytes();
+        Files.write(localFile.toPath(), content);
+        remoteGit.init();
+        remoteGit.add(fileName);
+    }
+
+    private ObjectId firstCommit(String fileName) throws Exception {
+        firstAdd(fileName);
+        remoteGit.commit("Adding the " + fileName + " file");
+        return remoteGit.revParse("HEAD");
+    }
+
+    @Test
+    public void testAddAndCommit() throws Exception {
+        assertThat(firstCommit("testAddAndCommit"), is(not(nullValue())));
+    }
+
+    @Test
+    public void testCommit_3args() throws Exception {
+        firstAdd("testCommit_3args_abc");
+        String message = "Committing with authorName and commiterName";
+        PersonIdent author = new PersonIdent("authorName", "authorEmail@example.com");
+        PersonIdent committer = new PersonIdent("committerName", "committerEmail@example.com");
+        remoteGit.commit(message, author, committer);
+        ObjectId commit = remoteGit.revParse("HEAD");
+        assertTrue("Commit not in repo", remoteGit.isCommitInRepo(commit));
+    }
+
+    @Test
+    public void testHasGitRepo() throws Exception {
+        assertFalse("remoteGit has repo before init", remoteGit.hasGitRepo());
+        remoteGit.init();
+        assertTrue("remoteGit missing repo after init", remoteGit.hasGitRepo());
+    }
+
+    @Test
+    public void testIsCommitInRepo() throws Exception {
+        ObjectId commit = firstCommit("testIsCommitInRepo-abc");
+        assertTrue("Commit not in repo", remoteGit.isCommitInRepo(commit));
+        ObjectId missingCommit = ObjectId.fromString("deededbeadedcededaddedbedded5ea6b842da60");
+        assertFalse("Missing commit found in repo", remoteGit.isCommitInRepo(missingCommit));
+    }
+
+    @Test
+    public void testGetRemoteUrl_String() throws Exception {
+        String name = "originName";
+        String url = "https://github.com/jenkinsci/git-client-plugin";
+        remoteGit.init();
+        if (gitImplName.equals("git")) { // JGit does not throw an exception for undefined remote
+            assertThrows(GitException.class, () -> {
+                    remoteGit.getRemoteUrl(name);
+                });
+        }
+        remoteGit.setRemoteUrl(name, url);
+        assertThat(remoteGit.getRemoteUrl(name), is(url));
+        remoteGit.addRemoteUrl(name + "2", url + "-2");
+        assertThat(remoteGit.getRemoteUrl(name + "2"), is(url + "-2"));
+    }
+}