Basic contact check command implementation

spec/models/contact_spec.rb

@@ -25,3 +25,33 @@ describe Contact do
     end
   end
 end
+
+describe Contact, '.check_availability' do
+
+  before(:each) {
+    Fabricate(:contact, code: "asd12")
+    Fabricate(:contact, code: "asd13")
+  }
+
+  it 'should return array if argument is string' do
+    response = Contact.check_availability("asd12")
+    expect(response.class).to be Array
+    expect(response.length).to eq(1)
+  end
+
+  it 'should return in_use and available codes' do
+    response = Contact.check_availability(["asd12","asd13","asd14"])
+    expect(response.class).to be Array
+    expect(response.length).to eq(3)
+
+    expect(response[0][:avail]).to eq(0)
+    expect(response[0][:code]).to eq("asd12")
+
+    expect(response[1][:avail]).to eq(0)
+    expect(response[1][:code]).to eq("asd13")
+
+    expect(response[2][:avail]).to eq(1)
+    expect(response[2][:code]).to eq("asd14")
+  end
+end
+