Tests for CsvParser

CsvLib.Tests/CsvParserTest.cs

@@ -0,0 +1,134 @@
+using CsvLib;
+
+namespace CvsLib;
+
+[TestSubject(typeof(CsvParser))]
+public class CsvParserTest
+{
+    #region Parse
+    
+    [Fact]
+    public void Parse__Empty__Empty()
+    {
+        // --- Arrange
+        StringReader sr = new(string.Empty);
+
+        // --- Act
+        CsvParser parser = new();
+        parser.Parse(sr);
+
+        // --- Assert
+        Assert.Empty(parser.Data);
+    }
+    
+    [Fact]
+    public void Parse__PlainText__OneRowOneColumn()
+    {
+        // --- Arrange
+        StringReader sr = new("Hello World");
+
+        // --- Act
+        CsvParser parser = new();
+        parser.Parse(sr);
+
+        // --- Assert
+        Assert.Single(parser.Data);
+        Assert.Single(parser.Data[0]);
+        Assert.Equal("Hello World", parser.Data[0][0]);
+    }
+
+
+    [Fact]
+    public void Parse__TwoLinesOfPainText__TwoRows()
+    {
+        // --- Arrange
+        StringReader sr = new(
+            """
+            Hello World
+            Hello World
+            """);
+
+        // --- Act
+        CsvParser parser = new();
+        parser.Parse(sr);
+
+        // --- Assert
+        Assert.Equal(2, parser.Data.Count);
+        Assert.Single(parser.Data[0]);
+        Assert.Equal("Hello World", parser.Data[0][0]);
+        Assert.Single(parser.Data[1]);
+        Assert.Equal("Hello World", parser.Data[1][0]);
+    }
+
+    [Fact]
+    public void Parse__TwoLinesOfQuotedText__TwoRows()
+    {
+        // --- Arrange
+        StringReader sr = new(
+            """
+            "Hello World"
+            "Hello World"
+            """);
+
+        // --- Act
+        CsvParser parser = new();
+        parser.Parse(sr);
+
+        // --- Assert
+        Assert.Equal(2, parser.Data.Count);
+        Assert.Single(parser.Data[0]);
+        Assert.Equal("Hello World", parser.Data[0][0]);
+        Assert.Single(parser.Data[1]);
+        Assert.Equal("Hello World", parser.Data[1][0]);
+    }
+
+    [Fact]
+    public void Parse__TwoLinesWithTwoQuotedColumns__TwoRowsTwoFields()
+    {
+        // --- Arrange
+        StringReader sr = new(
+            """
+            "Hello","World"
+            "Hello","World"
+            """);
+
+        // --- Act
+        CsvParser parser = new();
+        parser.Parse(sr);
+
+        // --- Assert
+        Assert.Equal(2, parser.Data.Count);
+        Assert.Equal(2, parser.Data[0].Count);
+        Assert.Equal("Hello", parser.Data[0][0]);
+        Assert.Equal("World", parser.Data[0][1]);
+        Assert.Equal(2, parser.Data[1].Count);
+        Assert.Equal("Hello", parser.Data[1][0]);
+        Assert.Equal("World", parser.Data[1][1]);
+    }
+
+    [Fact]
+    public void GenerateIndex__TwoLinesWithTwoQuotedColumnsWithUnicode__TwoRowsTwoFields()
+    {
+        // --- Arrange
+        StringReader sr = new(
+            """
+            "Hélló","Wórld"
+            "Hélló","Wórld"
+            """);
+
+        // --- Act
+        CsvParser parser = new();
+        parser.Parse(sr);
+
+        // --- Assert
+        Assert.Equal(2, parser.Data.Count);
+        Assert.Equal(2, parser.Data[0].Count);
+        Assert.Equal("Hélló", parser.Data[0][0]);
+        Assert.Equal("Wórld", parser.Data[0][1]);
+        Assert.Equal(2, parser.Data[1].Count);
+        Assert.Equal("Hélló", parser.Data[1][0]);
+        Assert.Equal("Wórld", parser.Data[1][1]);
+    }
+
+    #endregion Parse
+}