Add unprocessable entity error test.

piotrmurach · piotrmurach · commit 7461d0bfdb0b · 2016-07-02T11:01:54.000+02:00
diff --git a/spec/unit/error/unprocessable_entity_spec.rb b/spec/unit/error/unprocessable_entity_spec.rb
@@ -0,0 +1,32 @@
+# encoding: utf-8
+
+require 'spec_helper'
+
+RSpec.describe Github::Error::UnprocessableEntity do
+  let(:user) { 'peter-murach' }
+  let(:repo) { 'github' }
+  let(:request_path) { "/repos/#{user}/#{repo}/pulls" }
+  let(:inputs) do
+    {
+        "title" => "Amazing new feature",
+        "body" => "Please pull this in!",
+        "head" => "noexist",
+        "base" => "master",
+        "state" => "open",
+        'unrelated' => 'giberrish'
+    }
+  end
+
+  def test_request(body='')
+    stub_post(request_path).with(inputs.except('unrelated')).
+      to_return(body: body, status: 422, headers: {content_type: "application/json; charset=utf-8"})
+  end
+
+  it "handles multiple nested errors" do
+    test_request "{\"message\":\"Validation Failed\",\"errors\":[{\"resource\":\"PullRequest\",\"code\":\"missing_field\",\"field\":\"head_sha\"},{\"resource\":\"PullRequest\",\"code\":\"missing_field\",\"field\":\"base_sha\"},{\"resource\":\"PullRequest\",\"code\":\"custom\",\"message\":\"No commits between master and noexist\"}],\"documentation_url\":\"https://developer.github.com/enterprise/2.6/v3/pulls/#create-a-pull-request\"}"
+
+    expect {
+      Github::Client::PullRequests.new.create(user, repo, inputs)
+    }.to raise_error(Github::Error::UnprocessableEntity, /No commits between master and noexist/)
+  end
+end # Github::Error::UnprocessableEntity
