public void Loading_files_should_work()
        {
            /* Arrange */
            string fileOne = "testfileone.xml";
            string fileTwo = "testfiletwo.xml";
            string fileTthree = "testfilethree.xml";
            TestConfigFactory.CreateXmlFile(fileOne, "<configuration><section1 /></configuration>", false);
            TestConfigFactory.CreateXmlFile(fileTwo, "<configuration><section2 /></configuration>", true);

            IConfigProvider p1 = new MultiFileConfigProvider(fileOne, fileTthree, fileTwo);
            IConfigProvider p2 = new MultiFileConfigProvider(new List<string> { fileOne, fileTthree, fileTwo });

            /* Act */
            p1.Initialize();
            var docs1 = p1.LoadConfig().ToList();
            var docs2 = p2.LoadConfig().ToList();

            /* Assert */
            docs1.Should().HaveCount(2);
            docs1[0].Should().HaveElement("section1");
            docs1[1].Should().HaveElement("section2");

            docs2.Should().HaveCount(2);
            docs2[0].Should().HaveElement("section1");
            docs2[1].Should().HaveElement("section2");

            p1.ModifiedSinceLoad.Should().BeFalse();
        }
        public void Modified_since_load_should_work_as_expected()
        {
            /* Arrange */
            string fileOne = "testfilemultieditone.xml";
            string fileTwo = "testfilemultiedittwo.xml";

            TestConfigFactory.CreateXmlFile(fileOne, "<configuration><section1 /></configuration>", false);
            TestConfigFactory.CreateXmlFile(fileTwo, "<configuration><section1 /></configuration>", false);

            var p = new MultiFileConfigProvider(fileOne, fileTwo);

            /* Act */
            var docs = p.LoadConfig().ToList();

            Thread.Sleep(10);
            TestConfigFactory.CreateXmlFile(fileTwo, "<configuration><section2 /></configuration>", false);

            /* Assert */
            p.ModifiedSinceLoad.Should().BeTrue();
        }