Avoid crash around "DISMISSED" or "PENDING" reviewer states

command/pr.go

@@ -623,6 +623,8 @@ const (
 	approvedReviewState         = "APPROVED"
 	changesRequestedReviewState = "CHANGES_REQUESTED"
 	commentedReviewState        = "COMMENTED"
+	dismissedReviewState        = "DISMISSED"
+	pendingReviewState          = "PENDING"
 )
 
 type reviewerState struct {
@@ -648,8 +650,14 @@ func colorFuncForReviewerState(state string) func(string) string {
 
 // formattedReviewerState formats a reviewerState with state color
 func formattedReviewerState(reviewer *reviewerState) string {
-	stateColorFunc := colorFuncForReviewerState(reviewer.State)
-	return fmt.Sprintf("%s (%s)", reviewer.Name, stateColorFunc(strings.ReplaceAll(strings.Title(strings.ToLower(reviewer.State)), "_", " ")))
+	state := reviewer.State
+	if state == dismissedReviewState {
+		// Show "DISMISSED" review as "COMMENTED", since "dimissed" only makes
+		// sense when displayed in an events timeline but not in the final tally.
+		state = commentedReviewState
+	}
+	stateColorFunc := colorFuncForReviewerState(state)
+	return fmt.Sprintf("%s (%s)", reviewer.Name, stateColorFunc(strings.ReplaceAll(strings.Title(strings.ToLower(state)), "_", " ")))
 }
 
 // prReviewerList generates a reviewer list with their last state
@@ -705,6 +713,9 @@ func parseReviewers(pr api.PullRequest) []*reviewerState {
 	// Convert map to slice for ease of sort
 	result := make([]*reviewerState, 0, len(reviewerStates))
 	for _, reviewer := range reviewerStates {
+		if reviewer.State == pendingReviewState {
+			continue
+		}
 		result = append(result, reviewer)
 	}
 

command/pr_test.go

@@ -477,7 +477,7 @@ func TestPRView_Preview(t *testing.T) {
 			fixture:   "../test/fixtures/prViewPreviewWithReviewersByNumber.json",
 			expectedOutputs: []string{
 				`Blueberries are from a fork`,
-				`Reviewers: DEF \(Commented\), def \(Changes requested\), ghost \(Approved\), xyz \(Approved\), 123 \(Requested\), Team 1 \(Requested\), abc \(Requested\)\n`,
+				`Reviewers: DEF \(Commented\), def \(Changes requested\), ghost \(Approved\), hubot \(Commented\), xyz \(Approved\), 123 \(Requested\), Team 1 \(Requested\), abc \(Requested\)\n`,
 				`blueberries taste good`,
 				`View this pull request on GitHub: https://github.com/OWNER/REPO/pull/12\n`,
 			},

test/fixtures/prViewPreviewWithReviewersByNumber.json

@@ -70,6 +70,24 @@
                 "login": ""
               },
               "state": "APPROVED"
+            },
+            {
+              "author": {
+                "login": "hubot"
+              },
+              "state": "CHANGES_REQUESTED"
+            },
+            {
+              "author": {
+                "login": "hubot"
+              },
+              "state": "DISMISSED"
+            },
+            {
+              "author": {
+                "login": "monalisa"
+              },
+              "state": "PENDING"
             }
           ]
         },