diff --git a/playground.fsx b/playground.fsx
index ea6f5c6..6fe2f92 100644
--- a/playground.fsx
+++ b/playground.fsx
@@ -8,7 +8,8 @@
 //File.Copy(@"C:\Repos\nfdi4plants\ArcGraphModel\src\ArcGraphModel\bin\Debug\net6.0\ArcGraphModel.dll", @"C:\Repos\nfdi4plants\ArcGraphModel\src\ArcGraphModel\bin\Debug\net6.0\ArcGraphModel_Copy.dll", true)
 
 #r "nuget: FSharpAux"
-#r "nuget: FsOboParser"
+//#r "nuget: FsOboParser"
+#r "nuget: OBO.NET"
 #r "nuget: FsSpreadsheet.ExcelIO, 4.1.0"
 #r "nuget: FSharp.FGL.ArrayAdjacencyGraph"
 
@@ -37,13 +38,20 @@ open System.Collections.Generic
 
 open FsSpreadsheet
 open FsSpreadsheet.ExcelIO
-open FsOboParser
+//open FsOboParser
+open OBO.NET
 //open FsSpreadsheet.DSL
 open ControlledVocabulary
 open type ControlledVocabulary.ParamBase
 open ARCTokenization
 open ARCTokenization.StructuralOntology
 
+
+let ot = List.head Terms.InvestigationMetadata.ontology.Terms
+
+ARCTokenization.StructuralOntology.CodeGeneration.toCodeString ot
+CodeGeneration.toSourceCode "Investigation" Terms.InvestigationMetadata.ontology
+
 System.IO.Directory.GetCurrentDirectory()
 let fakePath = CvParam(cvTerm = AFSO.``File Path``, v = System.IO.Directory.GetCurrentDirectory() + "/tests/ARCTokenization.Tests/Fixtures/correct/investigation_simple.xlsx")
 
diff --git a/tests/ARCTokenization.Tests/ARCTokenization.Tests.fsproj b/tests/ARCTokenization.Tests/ARCTokenization.Tests.fsproj
index bd72fdb..8a70bcf 100644
--- a/tests/ARCTokenization.Tests/ARCTokenization.Tests.fsproj
+++ b/tests/ARCTokenization.Tests/ARCTokenization.Tests.fsproj
@@ -12,6 +12,7 @@
     <Compile Include="TestObjects.fs" />
     <Compile Include="ReferenceObjects.fs" />
     <Compile Include="StructuralOntologyTests.fs" />
+    <Compile Include="CodeGenerationTests.fs" />
     <Compile Include="TokenizationTests\ProcessGraphTokenization.fs" />
     <Compile Include="TokenizationTests\MetadataTokenization.fs" />
     <Compile Include="TokenizationTests\FileSystemTokenization.fs" />
diff --git a/tests/ARCTokenization.Tests/CodeGenerationTests.fs b/tests/ARCTokenization.Tests/CodeGenerationTests.fs
new file mode 100644
index 0000000..97c1b0b
--- /dev/null
+++ b/tests/ARCTokenization.Tests/CodeGenerationTests.fs
@@ -0,0 +1,51 @@
+namespace CodeGenerationTests
+
+open OBO.NET
+open ARCTokenization
+open ARCTokenization.Terms
+open Xunit
+open ARCTokenization.StructuralOntology
+open FSharpAux
+open type System.Environment
+
+open TestUtils
+
+
+module toUnderscoredName =
+
+    [<Fact>]
+    let ``returns correct underscored name`` () =
+        let expected = "Investigation_Metadata"
+        let actual = List.head InvestigationMetadata.ontology.Terms |> CodeGeneration.toUnderscoredName
+        Assert.Equal(expected, actual)
+
+
+module toTermSourceRef =
+
+    [<Fact>]
+    let ``returns correct TermSourceRef`` () =
+        let expected = "INVMSO"
+        let actual = List.head InvestigationMetadata.ontology.Terms |> CodeGeneration.toTermSourceRef
+        Assert.Equal(expected, actual)
+
+
+module toCodeString =
+
+    [<Fact>]
+    let ``returns correct F# code`` () =
+        let expected = $"        let Investigation_Metadata = CvTerm.create(\"INVMSO:00000001\", \"Investigation Metadata\", \"INVMSO\"){NewLine}{NewLine}"
+        let actual = List.head InvestigationMetadata.ontology.Terms |> CodeGeneration.toCodeString
+        Assert.Equal(expected, actual)
+
+
+module toSourceCode =
+
+    [<Fact>]
+    let ``returns correct source code`` () =
+        let expected = $"namespace ARCTokenization.StructuralOntology{NewLine}{NewLine}    open ControlledVocabulary{NewLine}{NewLine}    module Investigation ={NewLine}{NewLine}        let Investigation_Metadata = CvTerm.create(\"INVMSO:00000001\", \"Investigation Metadata\", \"INVMSO\"){NewLine}{NewLine}        let ONTOLOGY_SOURCE_REFERENCE = CvTerm.create(\"INVMSO:00000002\", \"ONTOLOGY SOURCE REFERENCE\", \"INVMSO\"){NewLine}{NewLine}        let Term_Source_Name = CvTerm.create(\"INVMSO:00000003\", \"Term Source Name\", \"INVMSO\")"
+        let actual = 
+            CodeGeneration.toSourceCode "Investigation" InvestigationMetadata.ontology 
+            |> String.splitS NewLine 
+            |> Array.take 11 
+            |> String.concat NewLine
+        Assert.Equal(expected, actual)
\ No newline at end of file