public async Task ConvertAsync_WhenContactIsNotNull_ReturnsNonEmptyCollectionWhichMatchNumberOfColumnsFromGetColumnNamesAsync()
        {
            IContactToCsvConverter sut = CreateSut();

            string[] result = (await sut.ConvertAsync(_fixture.BuildContactMock().Object)).ToArray();

            Assert.That(result.Count, Is.EqualTo((await sut.GetColumnNamesAsync()).Count()));
        }
        public async Task GetColumnNamesAsync_WhenCalled_ReturnsNonEmptyCollection()
        {
            IContactToCsvConverter sut = CreateSut();

            IEnumerable <string> result = await sut.GetColumnNamesAsync();

            Assert.That(result, Is.Not.Empty);
        }
        public async Task GetColumnNamesAsync_WhenCalled_ReturnsNonEmptyCollectionWithColumnNames()
        {
            IContactToCsvConverter sut = CreateSut();

            string[] result = (await sut.GetColumnNamesAsync()).ToArray();

            Assert.That(result.Length, Is.EqualTo(31));
            Assert.That(result[0], Is.EqualTo("Fulde navn"));
            Assert.That(result[1], Is.EqualTo("Fornavn"));
            Assert.That(result[2], Is.EqualTo("Mellemnavn(e)"));
            Assert.That(result[3], Is.EqualTo("Efternavn/Firmanavn"));
            Assert.That(result[4], Is.EqualTo("Adresse (linje 1)"));
            Assert.That(result[5], Is.EqualTo("Adresse (linje 2)"));
            Assert.That(result[6], Is.EqualTo("Postnr."));
            Assert.That(result[7], Is.EqualTo("By"));
            Assert.That(result[8], Is.EqualTo("Stat"));
            Assert.That(result[9], Is.EqualTo("Land"));
            Assert.That(result[10], Is.EqualTo("Primær tlf.nr./Mobil"));
            Assert.That(result[11], Is.EqualTo("Sekundær tlf.nr./Hjem"));
            Assert.That(result[12], Is.EqualTo("Mailadresse"));
            Assert.That(result[13], Is.EqualTo("Webside"));
            Assert.That(result[14], Is.EqualTo("Fødselsdato"));
            Assert.That(result[15], Is.EqualTo("Kontaktgruppe, nr."));
            Assert.That(result[16], Is.EqualTo("Kontaktgruppe, navn"));
            Assert.That(result[17], Is.EqualTo("Bekendtskab"));
            Assert.That(result[18], Is.EqualTo("Udlånsfrist"));
            Assert.That(result[19], Is.EqualTo("Betalingsbetingelse, nr."));
            Assert.That(result[20], Is.EqualTo("Betalingsbetingelse, navn"));
            Assert.That(result[21], Is.EqualTo("Firma, navn"));
            Assert.That(result[22], Is.EqualTo("Firma, adresse (linje 1)"));
            Assert.That(result[23], Is.EqualTo("Firma, adresse (linje 2)"));
            Assert.That(result[24], Is.EqualTo("Firma, postnr."));
            Assert.That(result[25], Is.EqualTo("Firma, by"));
            Assert.That(result[26], Is.EqualTo("Firma, stat"));
            Assert.That(result[27], Is.EqualTo("Firma, land"));
            Assert.That(result[28], Is.EqualTo("Firma, primær tlf.nr."));
            Assert.That(result[29], Is.EqualTo("Firma, sekundær tlf.nr."));
            Assert.That(result[30], Is.EqualTo("Firma, webside"));
        }