[pull-request] Test push.default=upstream + no upstream config

#189 (comment)

Author: mislav

features/pull_request.feature

@@ -946,6 +946,21 @@ Feature: hub pull-request
     When I successfully run `hub pull-request -m hereyougo`
     Then the output should contain exactly "the://url\n"
 
+  Scenario: Current branch is pushed to remote without upstream configuration
+    Given git "push.default" is set to "upstream"
+    And I am on the "feature" branch pushed to "origin/feature"
+    Given the GitHub API server:
+      """
+      post('/repos/mislav/coral/pulls') {
+        assert :base  => 'master',
+               :head  => 'mislav:feature'
+        status 201
+        json :html_url => "the://url"
+      }
+      """
+    When I successfully run `hub pull-request -m hereyougo`
+    Then the output should contain exactly "the://url\n"
+
   Scenario: Branch with quotation mark in name
     Given I am on the "feat'ure" branch with upstream "origin/feat'ure"
     Given the GitHub API server: