diff --git a/spec/models/ci/build_metadata_spec.rb b/spec/models/ci/build_metadata_spec.rb
new file mode 100644
index 00000000000..4758738cdd0
--- /dev/null
+++ b/spec/models/ci/build_metadata_spec.rb
@@ -0,0 +1,69 @@
+require 'spec_helper'
+
+describe Ci::BuildMetadata do
+  set(:user) { create(:user) }
+  set(:group) { create(:group, :access_requestable) }
+  set(:project) { create(:project, :repository, group: group, build_timeout: 2000) }
+
+  set(:pipeline) do
+    create(:ci_pipeline, project: project,
+                         sha: project.commit.id,
+                         ref: project.default_branch,
+                         status: 'success')
+  end
+
+  let(:build) { create(:ci_build, pipeline: pipeline) }
+  let(:build_metadata) { described_class.create(build: build) }
+
+  context 'when creating' do
+    subject { build_metadata.project_id }
+
+    it 'saves project_id' do
+      is_expected.to eq(project.id)
+    end
+  end
+
+  describe '#save_timeout_state!' do
+    subject { build_metadata }
+
+    context 'when runner is not assigned to the job' do
+      it "doesn't change timeout value" do
+        expect { subject.save_timeout_state! }.not_to change { subject.reload.timeout }
+      end
+
+      it "doesn't change timeout_source value" do
+        expect { subject.save_timeout_state! }.not_to change { subject.reload.timeout_source }
+      end
+    end
+
+    context 'when runner is assigned to the job' do
+      before do
+        build.update_attributes(runner: runner)
+      end
+
+      context 'when runner timeout is lower than project timeout' do
+        let(:runner) { create(:ci_runner, maximum_timeout: 1900) }
+
+        it 'sets runner timeout' do
+          expect { subject.save_timeout_state! }.to change { subject.reload.timeout }.to(1900)
+        end
+
+        it 'sets runner_timeout_source' do
+          expect { subject.save_timeout_state! }.to change { subject.reload.timeout_source }.to('runner_timeout_source')
+        end
+      end
+
+      context 'when runner timeout is higher than project timeout' do
+        let(:runner) { create(:ci_runner, maximum_timeout: 2100) }
+
+        it 'sets project timeout' do
+          expect { subject.save_timeout_state! }.to change { subject.reload.timeout }.to(2000)
+        end
+
+        it 'sets project_timeout_source' do
+          expect { subject.save_timeout_state! }.to change { subject.reload.timeout_source }.to('project_timeout_source')
+        end
+      end
+    end
+  end
+end