#55

backend/spec/models/language_spec.rb

@@ -0,0 +1,23 @@
+require 'rails_helper'
+
+RSpec.describe Language, type: :model do
+  it 'accepts supported language codes' do
+    expect(described_class.new(code: 'en', name: 'English')).to be_valid
+  end
+
+  it 'rejects an unsupported language code' do
+    expect {
+      described_class.create!(code: 'xx', name: 'Unsupported')
+    }.to raise_error { |error|
+      expect(error).to be_a(ArgumentError).or be_a(ActiveRecord::RecordInvalid)
+    }
+  end
+
+  it 'does not treat French as a supported language' do
+    expect {
+      described_class.create!(code: 'fr', name: 'French')
+    }.to raise_error { |error|
+      expect(error).to be_a(ArgumentError).or be_a(ActiveRecord::RecordInvalid)
+    }
+  end
+end