Fix tests fail cause of issue with grit stub

features/steps/project/project_network_graph.rb

@@ -11,12 +11,10 @@ class ProjectNetworkGraph < Spinach::FeatureSteps
   end
 
   And 'I visit project "Shop" network page' do
+    # Stub GraphCommit max_size to speed up test (10 commits vs. 650)
+    Gitlab::GraphCommit.stub(max_count: 10)
+
     project = Project.find_by_name("Shop")
-
-    # Stub out find_all to speed this up (10 commits vs. 650)
-    commits = Grit::Commit.find_all(project.repo, nil, {max_count: 10})
-    Grit::Commit.stub(:find_all).and_return(commits)
-
     visit graph_project_path(project)
   end
 end

features/steps/shared/paths.rb

@@ -122,9 +122,8 @@ module SharedPaths
   end
 
   Given "I visit my project's network page" do
-    # Stub out find_all to speed this up (10 commits vs. 650)
-    commits = Grit::Commit.find_all(@project.repo, nil, {max_count: 10})
-    Grit::Commit.stub(:find_all).and_return(commits)
+    # Stub GraphCommit max_size to speed up test (10 commits vs. 650)
+    Gitlab::GraphCommit.stub(max_count: 10)
 
     visit graph_project_path(@project)
   end

lib/gitlab/graph_commit.rb

@@ -2,18 +2,18 @@ require "grit"
 
 module Gitlab
   class GraphCommit
-    attr_accessor :time, :space
-    attr_accessor :refs
+    attr_accessor :time, :space, :refs
 
     include ActionView::Helpers::TagHelper
 
     def self.to_graph(project)
       @repo = project.repo
-      commits = Grit::Commit.find_all(@repo, nil, {max_count: 650}).dup
+
+      commits = collect_commits(@repo).dup
 
       ref_cache = {}
 
-      commits.map! {|c| GraphCommit.new(Commit.new(c))}
+      commits.map! { |commit| GraphCommit.new(Commit.new(commit))}
       commits.each { |commit| commit.add_refs(ref_cache, @repo) }
 
       days = GraphCommit.index_commits(commits)
@@ -23,6 +23,16 @@ module Gitlab
       return @days_json, @commits_json
     end
 
+    # Get commits from repository
+    #
+    def self.collect_commits repo
+      Grit::Commit.find_all(repo, nil, {max_count: self.max_count})
+    end
+
+    def self.max_count
+      @max_count ||= 650
+    end
+
     # Method is adding time and space on the
     # list of commits. As well as returns date list
     # corelated with time set on commits.