SONARGITUB-26 set status even when unexpected errors (#27)

src/main/java/org/sonar/plugins/github/PullRequestIssuePostJob.java

@@ -23,17 +23,22 @@
 import java.util.HashMap;
 import java.util.Map;
 import java.util.stream.StreamSupport;
+import org.kohsuke.github.GHCommitState;
 import org.sonar.api.batch.fs.InputComponent;
 import org.sonar.api.batch.fs.InputFile;
 import org.sonar.api.batch.postjob.PostJob;
 import org.sonar.api.batch.postjob.PostJobContext;
 import org.sonar.api.batch.postjob.PostJobDescriptor;
 import org.sonar.api.batch.postjob.issue.PostJobIssue;
+import org.sonar.api.utils.log.Logger;
+import org.sonar.api.utils.log.Loggers;
 
 /**
  * Compute comments to be added on the pull request.
  */
 public class PullRequestIssuePostJob implements PostJob {
+  private static final Logger LOG = Loggers.get(PullRequestFacade.class);
+
   private static final Comparator<PostJobIssue> ISSUE_COMPARATOR = new IssueComparator();
 
   private final PullRequestFacade pullRequestFacade;
@@ -56,15 +61,21 @@ public void describe(PostJobDescriptor descriptor) {
   @Override
   public void execute(PostJobContext context) {
     GlobalReport report = new GlobalReport(markDownUtils, gitHubPluginConfiguration.tryReportIssuesInline());
-    Map<InputFile, Map<Integer, StringBuilder>> commentsToBeAddedByLine = processIssues(report, context.issues());
+    try {
+      Map<InputFile, Map<Integer, StringBuilder>> commentsToBeAddedByLine = processIssues(report, context.issues());
 
-    updateReviewComments(commentsToBeAddedByLine);
+      updateReviewComments(commentsToBeAddedByLine);
 
-    pullRequestFacade.deleteOutdatedComments();
+      pullRequestFacade.deleteOutdatedComments();
 
-    pullRequestFacade.createOrUpdateGlobalComments(report.hasNewIssue() ? report.formatForMarkdown() : null);
+      pullRequestFacade.createOrUpdateGlobalComments(report.hasNewIssue() ? report.formatForMarkdown() : null);
 
-    pullRequestFacade.createOrUpdateSonarQubeStatus(report.getStatus(), report.getStatusDescription());
+      pullRequestFacade.createOrUpdateSonarQubeStatus(report.getStatus(), report.getStatusDescription());
+    } catch (Exception e) {
+      String msg = "SonarQube failed to complete the review of this pull request";
+      LOG.error(msg, e);
+      pullRequestFacade.createOrUpdateSonarQubeStatus(GHCommitState.ERROR, msg + ": " + e.getMessage());
+    }
   }
 
   private Map<InputFile, Map<Integer, StringBuilder>> processIssues(GlobalReport report, Iterable<PostJobIssue> issues) {

src/test/java/org/sonar/plugins/github/PullRequestIssuePostJobTest.java

@@ -225,4 +225,15 @@ public void testPullRequestAnalysisWithNewBlockerAndCriticalIssues() {
 
     verify(pullRequestFacade).createOrUpdateSonarQubeStatus(GHCommitState.ERROR, "SonarQube reported 2 issues, with 1 critical and 1 blocker");
   }
+
+  @Test
+  public void should_update_sonarqube_status_even_if_unexpected_errors_were_raised() {
+    String innerMsg = "Failed to get issues";
+    // not really realistic unexpected error, but good enough for this test
+    when(context.issues()).thenThrow(new IllegalStateException(innerMsg));
+    pullRequestIssuePostJob.execute(context);
+
+    String msg = "SonarQube failed to complete the review of this pull request: " + innerMsg;
+    verify(pullRequestFacade).createOrUpdateSonarQubeStatus(GHCommitState.ERROR, msg);
+  }
 }