1 files changed, 65 insertions, 0 deletions
diff --git a/spec/models/concerns/ci/has_variable_spec.rb b/spec/models/concerns/ci/has_variable_spec.rb
new file mode 100644
index 00000000000..c132fe47c3c
--- /dev/null
+++ b/spec/models/concerns/ci/has_variable_spec.rb
@@ -0,0 +1,65 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Ci::HasVariable do
+  subject { build(:ci_variable) }
+
+  it { is_expected.to validate_presence_of(:key) }
+  it { is_expected.to validate_length_of(:key).is_at_most(255) }
+  it { is_expected.to allow_value('foo').for(:key) }
+  it { is_expected.not_to allow_value('foo bar').for(:key) }
+  it { is_expected.not_to allow_value('foo/bar').for(:key) }
+
+  describe '#key=' do
+    context 'when the new key is nil' do
+      it 'strips leading and trailing whitespaces' do
+        subject.key = nil
+
+        expect(subject.key).to eq('')
+      end
+    end
+
+    context 'when the new key has leadind and trailing whitespaces' do
+      it 'strips leading and trailing whitespaces' do
+        subject.key = ' my key '
+
+        expect(subject.key).to eq('my key')
+      end
+    end
+  end
+
+  describe '#value' do
+    before do
+      subject.value = 'secret'
+    end
+
+    it 'stores the encrypted value' do
+      expect(subject.encrypted_value).not_to be_nil
+    end
+
+    it 'stores an iv for value' do
+      expect(subject.encrypted_value_iv).not_to be_nil
+    end
+
+    it 'stores a salt for value' do
+      expect(subject.encrypted_value_salt).not_to be_nil
+    end
+
+    it 'fails to decrypt if iv is incorrect' do
+      # attr_encrypted expects the IV to be 16 bytes and base64-encoded
+      subject.encrypted_value_iv = [SecureRandom.hex(8)].pack('m')
+      subject.instance_variable_set(:@value, nil)
+
+      expect { subject.value }
+        .to raise_error(OpenSSL::Cipher::CipherError, 'bad decrypt')
+    end
+  end
+
+  describe '#to_runner_variable' do
+    it 'returns a hash for the runner' do
+      expect(subject.to_runner_variable)
+        .to include(key: subject.key, value: subject.value, public: false)
+    end
+  end
+end