Fix OAuth2 issue importing a new project from GitHub and GitLab

Closes #1268

CHANGELOG

@@ -3,6 +3,7 @@ Please view this file on the master branch, on stable branches it's out of date.
 v 7.10.0 (unreleased)
   - Fix "Import projects from" button to show the correct instructions (Stan Hu)
   - Fix dots in Wiki slugs causing errors (Stan Hu)
+  - Fix OAuth2 issue importing a new project from GitHub and GitLab (Stan Hu)
   - Update poltergeist to version 1.6.0 to support PhantomJS 2.0 (Zeger-Jan van de Weg)
   - Fix cross references when usernames, milestones, or project names contain underscores (Stan Hu)
   - Disable reference creation for comments surrounded by code/preformatted blocks (Stan Hu)

lib/gitlab/bitbucket_import/client.rb

@@ -92,7 +92,7 @@ module Gitlab
       end
 
       def bitbucket_options
-        OmniAuth::Strategies::Bitbucket.default_options[:client_options].dup
+        OmniAuth::Strategies::Bitbucket.default_options[:client_options].symbolize_keys
       end
     end
   end

lib/gitlab/github_import/client.rb

@@ -46,7 +46,7 @@ module Gitlab
       end
 
       def github_options
-        OmniAuth::Strategies::GitHub.default_options[:client_options].dup
+        OmniAuth::Strategies::GitHub.default_options[:client_options].symbolize_keys
       end
     end
   end

lib/gitlab/gitlab_import/client.rb

@@ -71,7 +71,7 @@ module Gitlab
       end
 
       def gitlab_options
-        OmniAuth::Strategies::GitLab.default_options[:client_options].dup
+        OmniAuth::Strategies::GitLab.default_options[:client_options].symbolize_keys
       end
     end
   end

spec/lib/gitlab/bitbucket_import/client_spec.rb

+require 'spec_helper'
+
+describe Gitlab::BitbucketImport::Client do
+  let(:token) { '123456' }
+  let(:secret) { 'secret' }
+  let(:client) { Gitlab::BitbucketImport::Client.new(token, secret) }
+
+  before do
+    Gitlab.config.omniauth.providers << OpenStruct.new(app_id: "asd123", app_secret: "asd123", name: "bitbucket")
+  end
+
+  it 'all OAuth client options are symbols' do
+    client.consumer.options.keys.each do |key|
+      expect(key).to be_kind_of(Symbol)
+    end
+  end
+end

spec/lib/gitlab/github_import/client_spec.rb

+require 'spec_helper'
+
+describe Gitlab::GithubImport::Client do
+  let(:token) { '123456' }
+  let(:client) { Gitlab::GithubImport::Client.new(token) }
+
+  before do
+    Gitlab.config.omniauth.providers << OpenStruct.new(app_id: "asd123", app_secret: "asd123", name: "github")
+  end
+
+  it 'all OAuth2 client options are symbols' do
+    client.client.options.keys.each do |key|
+      expect(key).to be_kind_of(Symbol)
+    end
+  end
+end

spec/lib/gitlab/gitlab_import/client_spec.rb

+require 'spec_helper'
+
+describe Gitlab::GitlabImport::Client do
+  let(:token) { '123456' }
+  let(:client) { Gitlab::GitlabImport::Client.new(token) }
+
+  before do
+    Gitlab.config.omniauth.providers << OpenStruct.new(app_id: "asd123", app_secret: "asd123", name: "gitlab")
+  end
+
+  it 'all OAuth2 client options are symbols' do
+    client.client.options.keys.each do |key|
+      expect(key).to be_kind_of(Symbol)
+    end
+  end
+end