def setUp(self):
        self.output = StringIO()
        self.http_client_mock = HttpClientMock()
        self.command = QueryRpmCommand(self.output)
        self.command.httpClient = self.http_client_mock

        files = '[{"repo":"production", "filename":"a-a-a-12.2-15.noarch.rpm"},' + \
        '{"repo":"production", "filename":"a-a-a-12.3-15.noarch.rpm"},' + \
        '{"repo":"production", "filename":"a-a-b-12.2-15.noarch.rpm"},' + \
        '{"repo":"production", "filename":"b-a-a-12.2-15.noarch.rpm"},' + \
        '{"repo":"production", "filename":"b-a-b-12.2-15.noarch.rpm"}]'
        self.http_client_mock.files_for('production', 'noarch', files)