Fix broken link in CI build notification emails

Closes #13199

app/mailers/emails/builds.rb

@@ -3,26 +3,27 @@ module Emails
     def build_fail_email(build_id, to)
       @build = Ci::Build.find(build_id)
       @project = @build.project
+
       add_project_headers
-      add_build_headers
-      headers['X-GitLab-Build-Status'] = "failed"
+      add_build_headers('failed')
       mail(to: to, subject: subject("Build failed for #{@project.name}", @build.short_sha))
     end
 
     def build_success_email(build_id, to)
       @build = Ci::Build.find(build_id)
       @project = @build.project
+
       add_project_headers
-      add_build_headers
-      headers['X-GitLab-Build-Status'] = "success"
+      add_build_headers('success')
       mail(to: to, subject: subject("Build success for #{@project.name}", @build.short_sha))
     end
 
     private
-    def add_build_headers
+
+    def add_build_headers(status)
       headers['X-GitLab-Build-Id'] = @build.id
       headers['X-GitLab-Build-Ref'] = @build.ref
+      headers['X-GitLab-Build-Status'] = status.to_s
     end
-
   end
 end

app/views/notify/build_fail_email.html.haml

 - content_for :header do
   %h1{style: "background: #c40834; color: #FFF; font: normal 20px Helvetica, Arial, sans-serif; margin: 0; padding: 5px 10px; line-height: 32px; font-size: 16px;"}
     GitLab (build failed)
+
 %h3
   Project:
-  = link_to ci_project_url(@project) do
+  = link_to namespace_project_url(@project.namespace, @project) do
     = @project.name
 
 %p

app/views/notify/build_success_email.html.haml

@@ -4,7 +4,7 @@
 
 %h3
   Project:
-  = link_to ci_project_url(@project) do
+  = link_to namespace_project_url(@project.namespace, @project) do
     = @project.name
 
 %p

spec/mailers/notify_spec.rb

@@ -13,7 +13,6 @@ describe Notify do
   let(:gitlab_sender_reply_to) { Gitlab.config.gitlab.email_reply_to }
   let(:recipient) { create(:user, email: 'recipient@example.com') }
   let(:project) { create(:project) }
-  let(:build) { create(:ci_build) }
 
   before(:each) do
     ActionMailer::Base.deliveries.clear
@@ -48,13 +47,6 @@ describe Notify do
     end
   end
 
-  shared_examples 'an email with X-GitLab headers containing build details' do
-    it 'has X-GitLab-Build* headers' do
-      is_expected.to have_header 'X-GitLab-Build-Id', /#{build.id}/
-      is_expected.to have_header 'X-GitLab-Build-Ref', /#{build.ref}/
-    end
-  end
-
   shared_examples 'an email that contains a header with author username' do
     it 'has X-GitLab-Author header containing author\'s username' do
       is_expected.to have_header 'X-GitLab-Author', user.username
@@ -971,49 +963,59 @@ describe Notify do
     end
   end
 
-  describe 'build success' do
-    before { build.success }
+  describe 'build notification email' do
+    let(:build) { create(:ci_build) }
+    let(:project) { build.project }
+
+    shared_examples 'build email' do
+      it 'contains name of project' do
+        is_expected.to have_body_text build.project_name
+      end
+
+      it 'contains link to project' do
+        is_expected.to have_body_text namespace_project_path(project.namespace, project)
+      end
+    end
 
+    shared_examples 'an email with X-GitLab headers containing build details' do
+      it 'has X-GitLab-Build* headers' do
+        is_expected.to have_header 'X-GitLab-Build-Id', /#{build.id}/
+        is_expected.to have_header 'X-GitLab-Build-Ref', /#{build.ref}/
+      end
+    end
+
+    describe 'build success' do
       subject { Notify.build_success_email(build.id, 'wow@example.com') }
+      before { build.success }
 
+      it_behaves_like 'build email'
       it_behaves_like 'an email with X-GitLab headers containing build details'
-    it_behaves_like 'an email with X-GitLab headers containing project details' do
-      let(:project) { build.project }
-    end
+      it_behaves_like 'an email with X-GitLab headers containing project details'
 
       it 'has header indicating build status' do
         is_expected.to have_header 'X-GitLab-Build-Status', 'success'
       end
 
       it 'has the correct subject' do
-      should have_subject /Build success for/
-    end
-
-    it 'contains name of project' do
-      should have_body_text build.project_name
+        is_expected.to have_subject /Build success for/
       end
     end
 
     describe 'build fail' do
-    before { build.drop }
-
       subject { Notify.build_fail_email(build.id, 'wow@example.com') }
+      before { build.drop }
 
+      it_behaves_like 'build email'
       it_behaves_like 'an email with X-GitLab headers containing build details'
-    it_behaves_like 'an email with X-GitLab headers containing project details' do
-      let(:project) { build.project }
-    end
+      it_behaves_like 'an email with X-GitLab headers containing project details'
 
       it 'has header indicating build status' do
         is_expected.to have_header 'X-GitLab-Build-Status', 'failed'
       end
 
       it 'has the correct subject' do
-      should have_subject /Build failed for/
+        is_expected.to have_subject /Build failed for/
       end
-
-    it 'contains name of project' do
-      should have_body_text build.project_name
     end
   end
 end