Merge branch 'api-subscribe-issue-mr' into 'master'

API: Subscribe and unsubscribe from issues and merge requests

* Closes #6024 

This MR is based on !3611, which must be merged first.


See merge request !3615

2 files changed, 85 insertions, 0 deletions

diff --git a/spec/requests/api/issues_spec.rb b/spec/requests/api/issues_spec.rb
index 3d7a31cbb6a..86ea223f206 100644
--- a/spec/requests/api/issues_spec.rb
+++ b/spec/requests/api/issues_spec.rb
@@ -3,6 +3,7 @@ require 'spec_helper'
 describe API::API, api: true  do
   include ApiHelpers
   let(:user)        { create(:user) }
+  let(:user2)       { create(:user) }
   let(:non_member)  { create(:user) }
   let(:author)      { create(:author) }
   let(:assignee)    { create(:assignee) }
@@ -569,4 +570,46 @@ describe API::API, api: true  do
       end
     end
   end
+
+  describe 'POST :id/issues/:issue_id/subscription' do
+    it 'subscribes to an issue' do
+      post api("/projects/#{project.id}/issues/#{issue.id}/subscription", user2)
+
+      expect(response.status).to eq(201)
+      expect(json_response['subscribed']).to eq(true)
+    end
+
+    it 'returns 304 if already subscribed' do
+      post api("/projects/#{project.id}/issues/#{issue.id}/subscription", user)
+
+      expect(response.status).to eq(304)
+    end
+
+    it 'returns 404 if the issue is not found' do
+      post api("/projects/#{project.id}/issues/123/subscription", user)
+
+      expect(response.status).to eq(404)
+    end
+  end
+
+  describe 'DELETE :id/issues/:issue_id/subscription' do
+    it 'unsubscribes from an issue' do
+      delete api("/projects/#{project.id}/issues/#{issue.id}/subscription", user)
+
+      expect(response.status).to eq(200)
+      expect(json_response['subscribed']).to eq(false)
+    end
+
+    it 'returns 304 if not subscribed' do
+      delete api("/projects/#{project.id}/issues/#{issue.id}/subscription", user2)
+
+      expect(response.status).to eq(304)
+    end
+
+    it 'returns 404 if the issue is not found' do
+      delete api("/projects/#{project.id}/issues/123/subscription", user)
+
+      expect(response.status).to eq(404)
+    end
+  end
 end
diff --git a/spec/requests/api/merge_requests_spec.rb b/spec/requests/api/merge_requests_spec.rb
index 25fa30b2f21..1fa7e76894f 100644
--- a/spec/requests/api/merge_requests_spec.rb
+++ b/spec/requests/api/merge_requests_spec.rb
@@ -516,6 +516,48 @@ describe API::API, api: true  do
     end
   end
 
+  describe 'POST :id/merge_requests/:merge_request_id/subscription' do
+    it 'subscribes to a merge request' do
+      post api("/projects/#{project.id}/merge_requests/#{merge_request.id}/subscription", admin)
+
+      expect(response.status).to eq(201)
+      expect(json_response['subscribed']).to eq(true)
+    end
+
+    it 'returns 304 if already subscribed' do
+      post api("/projects/#{project.id}/merge_requests/#{merge_request.id}/subscription", user)
+
+      expect(response.status).to eq(304)
+    end
+
+    it 'returns 404 if the merge request is not found' do
+      post api("/projects/#{project.id}/merge_requests/123/subscription", user)
+
+      expect(response.status).to eq(404)
+    end
+  end
+
+  describe 'DELETE :id/merge_requests/:merge_request_id/subscription' do
+    it 'unsubscribes from a merge request' do
+      delete api("/projects/#{project.id}/merge_requests/#{merge_request.id}/subscription", user)
+
+      expect(response.status).to eq(200)
+      expect(json_response['subscribed']).to eq(false)
+    end
+
+    it 'returns 304 if not subscribed' do
+      delete api("/projects/#{project.id}/merge_requests/#{merge_request.id}/subscription", admin)
+
+      expect(response.status).to eq(304)
+    end
+
+    it 'returns 404 if the merge request is not found' do
+      post api("/projects/#{project.id}/merge_requests/123/subscription", user)
+
+      expect(response.status).to eq(404)
+    end
+  end
+
   def mr_with_later_created_and_updated_at_time
     merge_request
     merge_request.created_at += 1.hour