* [test] bugfix for unexpected error

Project: http://git-wip-us.apache.org/repos/asf/incubator-weex/repo
Commit: http://git-wip-us.apache.org/repos/asf/incubator-weex/commit/04009ef8
Tree: http://git-wip-us.apache.org/repos/asf/incubator-weex/tree/04009ef8
Diff: http://git-wip-us.apache.org/repos/asf/incubator-weex/diff/04009ef8

Branch: refs/heads/website
Commit: 04009ef8331b4b602bb5fc13dbc18e7276170ab1
Parents: b558b15
Author: gurisxie <279483...@qq.com>
Authored: Tue Oct 10 10:13:59 2017 +0800
Committer: Hanks <zhanghan...@gmail.com>
Committed: Tue Oct 10 21:42:52 2017 +0800

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 dangerfile.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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http://git-wip-us.apache.org/repos/asf/incubator-weex/blob/04009ef8/dangerfile.js
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diff --git a/dangerfile.js b/dangerfile.js
index 248276a..97c4146 100644
--- a/dangerfile.js
+++ b/dangerfile.js
@@ -418,7 +418,7 @@ function findBlameReviewers(fileToDeletedLinesMap, 
fileToNormalLinesMap, fileToB
     }
     deletedLines.forEach(lineNumber => {
       var name = blames[lineNumber]
-      if (!!reviewers) {
+      if (name && !!reviewers) {
         reviewers[name] = (reviewers[name] || 0) + 3
       }
     })
@@ -433,7 +433,7 @@ function findBlameReviewers(fileToDeletedLinesMap, 
fileToNormalLinesMap, fileToB
     }
     normalLines.forEach(lineNumber => {
       var name = blames[lineNumber]
-      if (!!reviewers) {
+      if (name && !!reviewers) {
         reviewers[name] = (reviewers[name] || 0) + 1
       }
     })

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