1 files changed, 109 insertions, 0 deletions
diff --git a/spec/models/instance_configuration_spec.rb b/spec/models/instance_configuration_spec.rb
new file mode 100644
index 00000000000..8548fff5c76
--- /dev/null
+++ b/spec/models/instance_configuration_spec.rb
@@ -0,0 +1,109 @@
+require 'spec_helper'
+
+RSpec.describe InstanceConfiguration do
+  context 'without cache' do
+    describe '#settings' do
+      describe '#ssh_algorithms_hashes' do
+        let(:md5) { '54:e0:f8:70:d6:4f:4c:b1:b3:02:44:77:cf:cd:0d:fc' }
+        let(:sha256) { '9327f0d15a48c4d9f6a3aee65a1825baf9a3412001c98169c5fd022ac27762fc' }
+
+        it 'does not return anything if file does not exist' do
+          stub_pub_file(exist: false)
+
+          expect(subject.settings[:ssh_algorithms_hashes]).to be_empty
+        end
+
+        it 'does not return anything if file is empty' do
+          stub_pub_file
+
+          allow(File).to receive(:read).and_return('')
+
+          expect(subject.settings[:ssh_algorithms_hashes]).to be_empty
+        end
+
+        it 'returns the md5 and sha256 if file valid and exists' do
+          stub_pub_file
+
+          result = subject.settings[:ssh_algorithms_hashes].select { |o| o[:md5] == md5 && o[:sha256] == sha256 }
+
+          expect(result.size).to eq(InstanceConfiguration::SSH_ALGORITHMS.size)
+        end
+
+        def stub_pub_file(exist: true)
+          path = 'spec/fixtures/ssh_host_example_key.pub'
+          path << 'random' unless exist
+          allow(subject).to receive(:ssh_algorithm_file).and_return(Rails.root.join(path))
+        end
+      end
+
+      describe '#host' do
+        it 'returns current instance host' do
+          allow(Settings.gitlab).to receive(:host).and_return('exampledomain')
+
+          expect(subject.settings[:host]).to eq(Settings.gitlab.host)
+        end
+      end
+
+      describe '#gitlab_pages' do
+        let(:gitlab_pages) { subject.settings[:gitlab_pages] }
+        it 'returns Settings.pages' do
+          gitlab_pages.delete(:ip_address)
+
+          expect(gitlab_pages).to eq(Settings.pages.symbolize_keys)
+        end
+
+        it 'returns the Gitlab\'s pages host ip address' do
+          expect(gitlab_pages.keys).to include(:ip_address)
+        end
+
+        it 'returns the ip address as nil if the domain is invalid' do
+          allow(Settings.pages).to receive(:host).and_return('exampledomain')
+
+          expect(gitlab_pages[:ip_address]).to eq nil
+        end
+
+        it 'returns the ip address of the domain' do
+          allow(Settings.pages).to receive(:host).and_return('localhost')
+
+          expect(gitlab_pages[:ip_address]).to eq('127.0.0.1').or eq('::1')
+        end
+      end
+
+      describe '#gitlab_ci' do
+        let(:gitlab_ci) { subject.settings[:gitlab_ci] }
+        it 'returns Settings.gitalb_ci' do
+          gitlab_ci.delete(:artifacts_max_size)
+
+          expect(gitlab_ci).to eq(Settings.gitlab_ci.symbolize_keys)
+        end
+
+        it 'returns the key artifacts_max_size' do
+          expect(gitlab_ci.keys).to include(:artifacts_max_size)
+        end
+      end
+    end
+  end
+
+  context 'with cache', :use_clean_rails_memory_store_caching do
+    it 'caches settings content' do
+      expect(Rails.cache.read(described_class::CACHE_KEY)).to be_nil
+
+      settings = subject.settings
+
+      expect(Rails.cache.read(described_class::CACHE_KEY)).to eq(settings)
+    end
+
+    describe 'cached settings' do
+      before do
+        subject.settings
+      end
+
+      it 'expires after EXPIRATION_TIME' do
+        allow(Time).to receive(:now).and_return(Time.now + described_class::EXPIRATION_TIME)
+        Rails.cache.cleanup
+
+        expect(Rails.cache.read(described_class::CACHE_KEY)).to eq(nil)
+      end
+    end
+  end
+end