How to use LoadOptionalCaseFromFileAction class of NBi.GenbiL.Action.Case package

Best NBi code snippet using NBi.GenbiL.Action.Case.LoadOptionalCaseFromFileAction

CaseParserTest.cs

Source:CaseParserTest.cs

...25        {26            var input = "case load optional file 'filename.csv' with columns 'foo', 'bar';";27            var result = Case.Parser.Parse(input);28            Assert.That(result, Is.Not.Null);29            Assert.That(result, Is.InstanceOf<LoadOptionalCaseFromFileAction>());30            Assert.That(((LoadOptionalCaseFromFileAction)result).Filename, Is.EqualTo("filename.csv"));31            Assert.That(((LoadOptionalCaseFromFileAction)result).ColumnNames, Does.Contain("foo"));32            Assert.That(((LoadOptionalCaseFromFileAction)result).ColumnNames, Does.Contain("bar"));33        }34        [Test]35        public void SentenceParser_CaseLoadQueryFileString_ValidCaseLoadSentence()36        {37            var input = "case load query 'filename.sql' on 'connStr';";38            var result = Case.Parser.Parse(input);39            Assert.That(result, Is.Not.Null);40            Assert.That(result, Is.InstanceOf<LoadCaseFromQueryFileAction>());41            Assert.That(((LoadCaseFromQueryFileAction)result).Filename, Is.EqualTo("filename.sql"));42            Assert.That(((LoadCaseFromQueryFileAction)result).ConnectionString, Is.EqualTo("connStr"));43        }44        [Test]45        public void SentenceParser_CaseLoadQueryString_ValidCaseLoadSentence()46        {...

LoadFileOptionalCaseActionTest.cs

Source:LoadFileOptionalCaseActionTest.cs

...11namespace NBi.Testing.GenbiL.Action.Case12{13    public class LoadFileOptionalCaseActionTest14    {15        public class LoadOptionalCaseFromFileActionTestable : LoadOptionalCaseFromFileAction16        {17            public LoadOptionalCaseFromFileActionTestable(string filename, IEnumerable<string> columnNames)18                : base(filename, columnNames) { }19            protected override bool IsExistingFile() => false;20        }21            22        [Test]23        public void Execute_FileMissing_EmptyDataSetWithExpectedColumns()24        {25            var state = new GenerationState();26            var action = new LoadOptionalCaseFromFileActionTestable("file.csv", new[] { "foo", "bar" });27            action.Execute(state);28            var caseSet = state.CaseCollection.First().Value;29            Assert.That(caseSet.Content.Rows, Has.Count.EqualTo(0));30            Assert.That(caseSet.Content.Columns, Has.Count.EqualTo(2));31            Assert.That(caseSet.Content.Columns.Cast<DataColumn>().Select(x => x.ColumnName), Does.Contain("foo"));32            Assert.That(caseSet.Content.Columns.Cast<DataColumn>().Select(x => x.ColumnName), Does.Contain("bar"));33        }34    }35}...

LoadOptionalCaseFromFileAction.cs

Source:LoadOptionalCaseFromFileAction.cs

...6using NBi.Core.FlatFile;7using NBi.GenbiL.Stateful;8namespace NBi.GenbiL.Action.Case9{10    public class LoadOptionalCaseFromFileAction : LoadCaseFromFileAction11    {12        public IEnumerable<string> ColumnNames { get; set; }13        public LoadOptionalCaseFromFileAction(string filename, IEnumerable<string> columnNames)14            : base(filename) => ColumnNames = columnNames;15        public override void Execute(CaseSet testCases)16        {17            if (IsExistingFile())18                base.Execute(testCases);19            else20            {21                testCases.Content = new DataTable();22                foreach (var columnName in ColumnNames)23                    testCases.Content.Columns.Add(new DataColumn(columnName, typeof(object)));24                testCases.Content.AcceptChanges();25            }26        }27        protected virtual bool IsExistingFile() => File.Exists(Filename);...