1 files changed, 34 insertions, 1 deletions
diff --git a/spec/lib/gitlab/ci/config/external/mapper_spec.rb b/spec/lib/gitlab/ci/config/external/mapper_spec.rb
index 4cab4961b0f..136974569de 100644
--- a/spec/lib/gitlab/ci/config/external/mapper_spec.rb
+++ b/spec/lib/gitlab/ci/config/external/mapper_spec.rb
@@ -9,6 +9,7 @@ describe Gitlab::Ci::Config::External::Mapper do
   let(:local_file) { '/lib/gitlab/ci/templates/non-existent-file.yml' }
   let(:remote_url) { 'https://gitlab.com/gitlab-org/gitlab-ce/blob/1234/.gitlab-ci-1.yml' }
   let(:template_file) { 'Auto-DevOps.gitlab-ci.yml' }
+  let(:expandset) { Set.new }
 
   let(:file_content) do
     <<~HEREDOC
@@ -21,7 +22,7 @@ describe Gitlab::Ci::Config::External::Mapper do
   end
 
   describe '#process' do
-    subject { described_class.new(values, project: project, sha: '123456', user: user).process }
+    subject { described_class.new(values, project: project, sha: '123456', user: user, expandset: expandset).process }
 
     context "when single 'include' keyword is defined" do
       context 'when the string is a local file' do
@@ -141,5 +142,37 @@ describe Gitlab::Ci::Config::External::Mapper do
         expect(subject).to be_empty
       end
     end
+
+    context "when duplicate 'include' is defined" do
+      let(:values) do
+        { include: [
+            { 'local' => local_file },
+            { 'local' => local_file }
+          ],
+          image: 'ruby:2.2' }
+      end
+
+      it 'raises an exception' do
+        expect { subject }.to raise_error(described_class::DuplicateIncludesError)
+      end
+    end
+
+    context "when too many 'includes' are defined" do
+      let(:values) do
+        { include: [
+            { 'local' => local_file },
+            { 'remote' => remote_url }
+          ],
+          image: 'ruby:2.2' }
+      end
+
+      before do
+        stub_const("#{described_class}::MAX_INCLUDES", 1)
+      end
+
+      it 'raises an exception' do
+        expect { subject }.to raise_error(described_class::TooManyIncludesError)
+      end
+    end
   end
 end