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How to use TextToToken method of NBi.Core.Transformation.Transformer.Native.Text.EmptyToNull class

Best NBi code snippet using NBi.Core.Transformation.Transformer.Native.Text.EmptyToNull.TextToToken

TextTest.cs

Source:TextTest.cs

...23        [TestCase(100, "1 2017-07-06      CUST0001", "(null)")]24        [TestCase(0, "(null)", "(null)")]25        [TestCase(0, "(blank)", "(null)")]26        [TestCase(0, "(empty)", "(null)")]27        public void Execute_TextToToken_DefaultSeparator(int index, string value, string expected)28        {29            var function = new TextToToken(new LiteralScalarResolver<int>(index));30            var result = function.Evaluate(value);31            Assert.That(result, Is.EqualTo(expected));32        }33        [Test]34        [TestCase(0, ';', "1;2017-07-06;CUST0001", "1")]35        [TestCase(1, ',', "1,      2017-07-06 ,CUST0001", "      2017-07-06 ")]36        [TestCase(2, '|', "1 | 2017-07-06 | CUST0001", " CUST0001")]37        [TestCase(0, '|', "(null)", "(null)")]38        [TestCase(0, '|', "(blank)", "(blank)")]39        [TestCase(0, ' ', "(blank)", "(null)")]40        [TestCase(0, '|', "(empty)", "(null)")]41        public void Execute_TextToToken_CustomSeparator(int index, char separator, string value, string expected)42        {43            var function = new TextToToken(new LiteralScalarResolver<int>(index), new LiteralScalarResolver<char>(separator));44            var result = function.Evaluate(value);45            Assert.That(result, Is.EqualTo(expected));46        }47        [Test]48        [TestCase("abc 123")]49        [TestCase("abc 123 ")]50        [TestCase(" abc 123")]51        [TestCase("abc   123")]52        [TestCase("  abc   123  ")]53        [TestCase("  abc ,  123  ")]54        public void Execute_TextToTokenAndTextToTokenCount_Aligned(string value)55        {56            var tokenCount = (int)new TextToTokenCount().Evaluate(value);57            for (int i = 0; i < tokenCount; i++)58            {59                var nextTextToToken = new TextToToken(new LiteralScalarResolver<int>(i));60                Assert.That(nextTextToToken.Evaluate(value), Is.Not.EqualTo("(null)"));61            }62            var textToToken = new TextToToken(new LiteralScalarResolver<int>(tokenCount));63            Assert.That(textToToken.Evaluate(value), Is.EqualTo("(null)"));64        }65        [Test]66        [TestCase("")]67        [TestCase("(null)")]68        [TestCase("\t")]69        [TestCase(" \t")]70        [TestCase(" ")]71        [TestCase("\r\n")]72        public void Execute_BlankToNull_Null(string value)73        {74            var function = new BlankToNull();75            var result = function.Evaluate(value);76            Assert.That(result, Is.EqualTo("(null)"));77        }78        [Test]79        [TestCase("(null)")]80        [TestCase("alpha")]81        public void Execute_BlankToEmpty_NotEmpty(string value)82        {83            var function = new BlankToNull();84            var result = function.Evaluate(value);85            Assert.That(result, Is.Not.EqualTo("(empty)"));86        }87        [Test]88        [TestCase("alpha")]89        public void Execute_BlankToNull_NotNull(string value)90        {91            var function = new BlankToNull();92            var result = function.Evaluate(value);93            Assert.That(result, Is.Not.EqualTo("(null)"));94        }95        [Test]96        [TestCase("")]97        [TestCase("(null)")]98        [TestCase("(empty)")]99        public void Execute_EmptyToNull_Null(string value)100        {101            var function = new EmptyToNull();102            var result = function.Evaluate(value);103            Assert.That(result, Is.EqualTo("(null)"));104        }105        [Test]106        [TestCase("alpha")]107        [TestCase("\t")]108        [TestCase(" \t")]109        [TestCase(" ")]110        [TestCase("\r\n")]111        public void Execute_EmptyToNull_NotNull(string value)112        {113            var function = new EmptyToNull();114            var result = function.Evaluate(value);115            Assert.That(result, Is.Not.EqualTo("(null)"));116        }117        [Test]118        [TestCase("")]119        [TestCase("(any)")]120        [TestCase("(empty)")]121        [TestCase("(null)")]122        [TestCase(150)]123        public void Execute_AnyToAny_Any(object value)124        {125            var function = new AnyToAny();126            var result = function.Evaluate(value);127            Assert.That(result, Is.EqualTo("(any)"));128        }129        [Test]130        [TestCase("")]131        [TestCase("(any)")]132        [TestCase("(empty)")]133        [TestCase(150)]134        public void Execute_ValueToValue_Value(object value)135        {136            var function = new ValueToValue();137            var result = function.Evaluate(value);138            Assert.That(result, Is.EqualTo("(value)"));139        }140        [Test]141        [TestCase("(null)")]142        public void Execute_ValueToValue_NotValue(object value)143        {144            var function = new ValueToValue();145            var result = function.Evaluate(value);146            Assert.That(result, Is.Not.EqualTo("(value)"));147        }148        [Test]149        [TestCase("(null)")]150        public void Execute_NullToValue_Value(object value)151        {152            var function = new NullToValue();153            var result = function.Evaluate(value);154            Assert.That(result, Is.EqualTo("(value)"));155        }156        [Test]157        [TestCase("(empty)")]158        [TestCase("123")]159        public void Execute_NullToValue_NotValue(object value)160        {161            var function = new NullToValue();162            var result = function.Evaluate(value);163            Assert.That(result, Is.Not.EqualTo("(value)"));164        }165        [Test]166        [TestCase("ABC")]167        [TestCase(" ABC ")]168        public void Execute_Trim_ABC(object value)169        {170            var function = new TextToTrim();171            var result = function.Evaluate(value);172            Assert.That(result, Is.EqualTo("ABC"));173        }174        [Test]175        [TestCase("(null)")]176        [TestCase(" XYZ ")]177        public void Execute_Trim_NotABC(object value)178        {179            var function = new TextToTrim();180            var result = function.Evaluate(value);181            Assert.That(result, Is.Not.EqualTo("ABC"));182        }183        [Test]184        [TestCase("abC")]185        public void Execute_UpperCase_ABC(object value)186        {187            var function = new TextToUpper();188            var result = function.Evaluate(value);189            Assert.That(result, Is.EqualTo("ABC"));190        }191        [Test]192        [TestCase(" abC ")]193        public void Execute_LowerCase_abc(object value)194        {195            var function = new TextToLower();196            var result = function.Evaluate(value);197            Assert.That(result, Is.EqualTo(" abc "));198        }199        [Test]200        [TestCase(" abC ")]201        public void Execute_Length_5(object value)202        {203            var function = new TextToLength();204            var result = function.Evaluate(value);205            Assert.That(result, Is.EqualTo(5));206        }207        [Test]208        [TestCase("CÃ©dric")]209        public void Execute_TextToHtml_Valid(object value)210        {211            var function = new TextToHtml();212            var result = function.Evaluate(value);213            Assert.That(result, Is.EqualTo("C&#233;dric"));214        }215        [Test]216        [TestCase("C&#233;dric")]217        [TestCase("C&eacute;dric")]218        public void Execute_HtmlToText_Valid(object value)219        {220            var function = new HtmlToText();221            var result = function.Evaluate(value);222            Assert.That(result, Is.EqualTo("CÃ©dric"));223        }224        [Test]225        [TestCase("CÃ©dric")]226        public void Execute_Diacritics_Valid(object value)227        {228            var function = new TextToWithoutDiacritics();229            var result = function.Evaluate(value);230            Assert.That(result, Is.EqualTo("Cedric"));231        }232        [Test]233        [TestCase("My taylor is rich", "Mytaylorisrich")]234        [TestCase(" My Lord ! ", "MyLord!")]235        [TestCase("My Lord !\r\nMy taylor is \t rich", "MyLord!Mytaylorisrich")]236        [TestCase("(null)", "(null)")]237        [TestCase(null, "(null)")]238        [TestCase("(empty)", "(empty)")]239        [TestCase("(blank)", "(empty)")]240        public void Execute_Whitespace_Valid(object value, string expected)241        {242            var function = new TextToWithoutWhitespaces();243            var result = function.Evaluate(value);244            Assert.That(result, Is.EqualTo(expected));245        }246        [Test]247        [TestCase("My taylor is rich", 4)]248        [TestCase(" My Lord ! ", 2)]249        [TestCase("  My     Lord    !   ", 2)]250        [TestCase("  My     Lord    !   C-L.", 3)]251        [TestCase("(null)", 0)]252        [TestCase(null, 0)]253        [TestCase("(empty)", 0)]254        [TestCase("(blank)", 0)]255        [TestCase("1 2017-07-06      CUST0001", 3)]256        [TestCase("1 2017-07-06          CUST0001", 3)]257        public void Execute_TokenCount_Valid(object value, int expected)258        {259            var function = new TextToTokenCount();260            var result = function.Evaluate(value);261            Assert.That(result, Is.EqualTo(expected));262        }263        [Test]264        [TestCase("123456789", "abc", "abc123456789")]265        [TestCase("(null)", "abc", "(null)")]266        [TestCase("(empty)", "abc", "abc")]267        [TestCase("(blank)", "abc", "abc")]268        public void Execute_TextToPrefix_Valid(string value, string prefix, string expected)269        {270            var function = new TextToPrefix(new LiteralScalarResolver<string>(prefix));271            var result = function.Evaluate(value);272            Assert.That(result, Is.EqualTo(expected));273        }...

TextTransformations.cs

Source:TextTransformations.cs

...172        protected override object EvaluateEmpty() => 0;173        protected override object EvaluateNull() => 0;174        protected override object EvaluateString(string value) => value.Length;175    }176    class TextToToken : AbstractTextTransformation177    {178        public IScalarResolver<int> Index { get; }179        public IScalarResolver<char> Separator { get; }180        public TextToToken(IScalarResolver<int> index)181            => (Index, Separator) = (index, null);182        public TextToToken(IScalarResolver<int> index, IScalarResolver<char> separator)183            => (Index, Separator) = (index, separator);184        protected override object EvaluateBlank() => Separator == null || char.IsWhiteSpace(Separator.Execute()) ? "(null)" : "(blank)";185        protected override object EvaluateEmpty() => "(null)";186        protected override object EvaluateString(string value)187        {188            var tokenizer = Separator == null ? (ITokenizer)new WhitespaceTokenizer() : new Tokenizer(Separator.Execute());189            var tokens = tokenizer.Execute(value);190            var indexValue = Index.Execute();191            if (indexValue < tokens.Length)192                return tokens[indexValue];193            else194                return "(null)";195        }196    }197    class TextToTokenCount : TextToLength198    {199        public IScalarResolver<char> Separator { get; }200        public TextToTokenCount()201            => Separator = null;202        public TextToTokenCount(IScalarResolver<char> separator)203            => Separator = separator;204        protected override object EvaluateBlank() => 0;205        protected override object EvaluateString(string value) => TokenCount(value);206        private int TokenCount(string value)207        {208            var tokenizer = Separator == null ? (ITokenizer)new WhitespaceTokenizer() : new Tokenizer(Separator.Execute());209            return tokenizer.Execute(value).Count();210        }211    }212    class TextToDateTime : AbstractTextTransformation213    {214        public IScalarResolver<string> Format { get; }215        public IScalarResolver<string> Culture { get; }216        public TextToDateTime(IScalarResolver<string> format)...

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