1 files changed, 32 insertions, 0 deletions
diff --git a/spec/lib/gitlab/fake_application_settings_spec.rb b/spec/lib/gitlab/fake_application_settings_spec.rb
new file mode 100644
index 00000000000..34322c2a693
--- /dev/null
+++ b/spec/lib/gitlab/fake_application_settings_spec.rb
@@ -0,0 +1,32 @@
+require 'spec_helper'
+
+describe Gitlab::FakeApplicationSettings do
+  let(:defaults) { { password_authentication_enabled: false, foobar: 'asdf', signup_enabled: true, 'test?' => 123 } }
+
+  subject { described_class.new(defaults) }
+
+  it 'wraps OpenStruct variables properly' do
+    expect(subject.password_authentication_enabled).to be_falsey
+    expect(subject.signup_enabled).to be_truthy
+    expect(subject.foobar).to eq('asdf')
+  end
+
+  it 'defines predicate methods' do
+    expect(subject.password_authentication_enabled?).to be_falsey
+    expect(subject.signup_enabled?).to be_truthy
+  end
+
+  it 'predicate method changes when value is updated' do
+    subject.password_authentication_enabled = true
+
+    expect(subject.password_authentication_enabled?).to be_truthy
+  end
+
+  it 'does not define a predicate method' do
+    expect(subject.foobar?).to be_nil
+  end
+
+  it 'does not override an existing predicate method' do
+    expect(subject.test?).to eq(123)
+  end
+end