Squashed commit of the following:

commit 0c00e52d339f8471a6ea425d5a4a59751a3f4a35
Author: Shinya Maeda <shinya@gitlab.com>
Date:   Fri Nov 30 15:41:46 2018 +0900

    Update schedules.md

commit 0ae56bf5a0ba9254d2ebd4c846395113ae72d686
Merge: c143777c9f2 9ce28bf08b7
Author: Shinya Maeda <shinya@gitlab.com>
Date:   Fri Nov 30 15:38:01 2018 +0900

    Merge branch 'master-ce' into ignore-failed-pipeline-creation-on-pipeline-schedule

commit c143777c9f250c8075355ac07e9bae7b074665c3
Author: Shinya Maeda <shinya@gitlab.com>
Date:   Thu Nov 29 17:18:07 2018 +0900

    Fix coding offence

commit 7c816dfa634b5911310c67c285fc3c37d5f03517
Author: Shinya Maeda <shinya@gitlab.com>
Date:   Thu Nov 29 16:12:06 2018 +0900

    Improve spec quality

commit f78eed45e991123f8af4a7b24f041529bbb35e91
Merge: 96d20ce9144 a5f4627857b
Author: Shinya Maeda <shinya@gitlab.com>
Date:   Thu Nov 29 15:20:16 2018 +0900

    Merge branch 'master-ce' into ignore-failed-pipeline-creation-on-pipeline-schedule

commit 96d20ce914458f86e68b57bc1bb88ab8d27f010b
Author: Shinya Maeda <shinya@gitlab.com>
Date:   Tue Nov 27 16:25:42 2018 +0900

    Print pipeline error

commit 97842068b6cf1432cd400ead749843946b4f51ee
Merge: c2b015949af 2ee8c40fc16
Author: Shinya Maeda <shinya@gitlab.com>
Date:   Tue Nov 27 15:51:49 2018 +0900

    Merge branch 'master-ce' into ignore-failed-pipeline-creation-on-pipeline-schedule

commit c2b015949afb3ecc70cb057e2d13672f378c0d03
Merge: 3435137c17b fbbe5ccd1be
Author: Shinya Maeda <shinya@gitlab.com>
Date:   Mon Nov 26 15:26:17 2018 +0900

    Merge branch 'master-ce' into ignore-failed-pipeline-creation-on-pipeline-schedule

commit 3435137c17b0ef03003e39dd08c7370fe916c626
Author: Shinya Maeda <shinya@gitlab.com>
Date:   Tue Nov 20 17:45:38 2018 +0900

    Track exception with Sentry

commit 3f01f10d3b7380f0e8ceb3a379d8b6c602e9d6ca
Merge: 5749c62355f 8a581d531ba
Author: Shinya Maeda <shinya@gitlab.com>
Date:   Tue Nov 20 17:12:41 2018 +0900

    Merge branch 'master-ce' into ignore-failed-pipeline-creation-on-pipeline-schedule

commit 5749c62355f8de62bb4e36ba1e351a78350607c1
Author: Shinya Maeda <shinya@gitlab.com>
Date:   Thu Nov 1 11:14:26 2018 +0900

    Create a pipeline even if it is corrupted

commit e01789890b6949b346d40fadef41aa133191cc43
Author: Shinya Maeda <shinya@gitlab.com>
Date:   Wed Oct 31 14:26:09 2018 +0900

    Improve production log message

commit f20d698a535f1dc70d5437c20b629fd1d956fb27
Author: Shinya Maeda <shinya@gitlab.com>
Date:   Fri Oct 19 17:11:20 2018 +0900

    Fix typo

commit 01323b02ac41ec50bcf237409f2e3c5c214bbfc1
Author: Shinya Maeda <shinya@gitlab.com>
Date:   Thu Oct 18 14:46:44 2018 +0900

    Update documents

commit 460337bf4a7e67a35d6c342678b4cfe66710ad56
Author: Shinya Maeda <shinya@gitlab.com>
Date:   Wed Oct 10 13:21:26 2018 +0900

    Add changelog

commit a3c4711752fedebfacbdf52da94058524af3c9f4
Author: Shinya Maeda <shinya@gitlab.com>
Date:   Wed Oct 10 09:20:06 2018 +0900

    Ignore failed pipeline creation in pipeline schedule worker. Instead, logging the event.

1 files changed, 33 insertions, 0 deletions

diff --git a/spec/services/ci/create_pipeline_service_spec.rb b/spec/services/ci/create_pipeline_service_spec.rb
index 4d9c5aabbda..a4582d1bc64 100644
--- a/spec/services/ci/create_pipeline_service_spec.rb
+++ b/spec/services/ci/create_pipeline_service_spec.rb
@@ -657,4 +657,37 @@ describe Ci::CreatePipelineService do
       end
     end
   end
+
+  describe '#execute!' do
+    subject { service.execute!(*args) }
+
+    let(:service) { described_class.new(project, user, ref: ref_name) }
+    let(:args) { [:push] }
+
+    context 'when user has a permission to create a pipeline' do
+      let(:user) { create(:user) }
+
+      before do
+        project.add_developer(user)
+      end
+
+      it 'does not raise an error' do
+        expect { subject }.not_to raise_error
+      end
+
+      it 'creates a pipeline' do
+        expect { subject }.to change { Ci::Pipeline.count }.by(1)
+      end
+    end
+
+    context 'when user does not have a permission to create a pipeline' do
+      let(:user) { create(:user) }
+
+      it 'raises an error' do
+        expect { subject }
+          .to raise_error(described_class::CreateError)
+          .with_message('Insufficient permissions to create a new pipeline')
+      end
+    end
+  end
 end