pq connection string parsing from other project

pgLabII.PgUtils.Tests/ConnectionStrings/Util/UnitTestTokenizerTests.cs

@@ -0,0 +1,81 @@
+namespace pgLabII.PgUtils.Tests.ConnectionStrings.Util;
+
+public class UnitTestTokenizerTests
+{
+    private readonly UnitTestTokenizer _sut = new();
+
+    [Fact]
+    public void Eof_True()
+    {
+        Assert.True(_sut.Eof);
+    }
+
+    [Fact]
+    public void Eof_False()
+    {
+        _sut.AddString("a");
+        Assert.False(_sut.Eof);
+    }
+
+    [Fact]
+    public void GetKeyword_Success()
+    {
+        _sut.AddString("a");
+        Assert.Equal("a", _sut.GetKeyword());
+    }
+
+    [Fact]
+    public void GetKeyword_Unexpected_Throws()
+    {
+        _sut.AddEquals();
+        Assert.Throws<Exception>(() => _sut.GetKeyword());
+    }
+
+    [Fact]
+    public void GetKeyword_SimulatesException()
+    {
+        _sut.AddException(new ArgumentNullException());
+        Assert.Throws<ArgumentNullException>(() => _sut.GetKeyword());
+    }
+
+    [Fact]
+    public void GetValue_Success()
+    {
+        _sut.AddString("a");
+        Assert.Equal("a", _sut.GetValue());
+    }
+
+    [Fact]
+    public void GetValue_Unexpected_Throws()
+    {
+        _sut.AddEquals();
+        Assert.Throws<Exception>(() => _sut.GetValue());
+    }
+
+    [Fact]
+    public void GetValue_SimulatesException()
+    {
+        _sut.AddException(new ArgumentNullException());
+        Assert.Throws<ArgumentNullException>(() => _sut.GetValue());
+    }
+
+    [Fact]
+    public void ConsumeEquals_Success()
+    {
+        _sut.AddEquals();
+        _sut.ConsumeEquals();
+    }
+
+    [Fact]
+    public void ConsumeEquals_Unexpected_Throws1()
+    {
+        Assert.Throws<Exception>(() => _sut.ConsumeEquals());
+    }
+
+    [Fact]
+    public void ConsumeEquals_Unexpected_Throws2()
+    {
+        _sut.AddString("t");
+        Assert.Throws<Exception>(() => _sut.ConsumeEquals());
+    }
+}