Exemplo n.º 1
0
        public void Be_Creatable()
        {
            var sut = new ProvideFileSuggestions();

            sut.Should().NotBeNull();
            sut.Should().BeAssignableTo <IProvideSuggestions>();
        }
Exemplo n.º 2
0
        public void Return_Empty_If_Not_Exists()
        {
            const string dataConnection = "file://cities.txt";
            var          mock           = Substitute.For <IFileSystem>();

            mock.ReadAllLines("cities.txt").Returns(Enumerable.Empty <string>());
            mock.FileExists("cities.txt").Returns(false);

            var prefix   = "thomas";
            var expected = new string[] { };
            var sut      = new ProvideFileSuggestions(mock);

            var actual = sut.For(prefix, dataConnection);

            actual.Should().BeEquivalentTo(expected);
        }
Exemplo n.º 3
0
        public void Return_Empty_On_Empty_Prefix()
        {
            const string dataConnection = "file://cities.txt";
            var          mock           = Substitute.For <IFileSystem>();

            mock.ReadAllLines("cities.txt").Returns("Bonn|Cologne|Bern|Berlin".Split('|'));
            mock.FileExists("cities.txt").Returns(true);

            var prefix   = "";
            var expected = new string[] { };
            var sut      = new ProvideFileSuggestions(mock);

            var actual = sut.For(prefix, dataConnection);

            actual.Should().BeEquivalentTo(expected);
        }
Exemplo n.º 4
0
        public void Return_Prefixes_Twice_Uses_Caching()
        {
            const string dataConnection = "file://cities.txt";
            const string prefix         = "Be";
            var          expected       = new[] { "Bern", "Berlin" };
            var          mock           = Substitute.For <IFileSystem>();

            mock.ReadAllLines("cities.txt").Returns("Bonn|Cologne|Bern|Berlin".Split('|'));
            mock.FileExists("cities.txt").Returns(true);

            var sut = new ProvideFileSuggestions(mock);

            var temp   = sut.For(prefix, dataConnection).ToArray();
            var actual = sut.For(prefix, dataConnection).ToArray();

            actual.Should().BeEquivalentTo(expected);
            actual.Should().BeEquivalentTo(temp, "the results should be equal if you all it twice");

            mock.Received(1).ReadAllLines("cities.txt");
            mock.Received(1).FileExists("cities.txt");
        }