From 0a002e230badf96f5c89d55945ddd85113edd628 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Matija=20=C4=8Cupi=C4=87?= <matteeyah@gmail.com>
Date: Fri, 22 Dec 2017 21:28:25 +0100
Subject: [PATCH] Implement ResetProjectCacheService

---
 app/services/reset_project_cache_service.rb   |  1 +
 .../reset_project_cache_service_spec.rb       | 20 +++++++++++++++++--
 2 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/app/services/reset_project_cache_service.rb b/app/services/reset_project_cache_service.rb
index 85ba6d953a2..0886c6b8315 100644
--- a/app/services/reset_project_cache_service.rb
+++ b/app/services/reset_project_cache_service.rb
@@ -1,4 +1,5 @@
 class ResetProjectCacheService < BaseService
   def execute
+    @project.increment!(:cache_index)
   end
 end
diff --git a/spec/services/reset_project_cache_service_spec.rb b/spec/services/reset_project_cache_service_spec.rb
index 9623035a5a4..df969d08f39 100644
--- a/spec/services/reset_project_cache_service_spec.rb
+++ b/spec/services/reset_project_cache_service_spec.rb
@@ -6,7 +6,23 @@ describe ResetProjectCacheService do
 
   subject { described_class.new(project, user).execute }
 
-  it "resets project cache" do
-    fail
+  context 'when project cache_index is nil' do
+    before do
+      project.cache_index = nil
+    end
+
+    it 'sets project cache_index to one' do
+      expect { subject }.to change { project.reload.cache_index }.from(nil).to(1)
+    end
+  end
+
+  context 'when project cache_index is a numeric value' do
+    before do
+      project.update_attributes(cache_index: 1)
+    end
+
+    it 'increments project cache index' do
+      expect { subject }.to change { project.reload.cache_index }.by(1)
+    end
   end
 end