add source versions (#912)

* add source versions

* fix format

Author: YaleChen299

lib/cadet/assessments/library.ex

@@ -55,10 +55,14 @@ defmodule Cadet.Assessments.Library do
   @valid_chapter_variants [
     {1, "wasm"},
     {1, "lazy"},
+    {1, "native"},
     {2, "lazy"},
+    {2, "native"},
     {3, "concurrent"},
     {3, "non-det"},
-    {4, "gpu"}
+    {3, "native"},
+    {4, "gpu"},
+    {4, "native"}
   ]
 
   defp validate_chapter_variant(changeset) do

lib/cadet/courses/course.ex

@@ -59,16 +59,21 @@ defmodule Cadet.Courses.Course do
       {true, true} ->
         case get_field(changeset, :source_chapter) do
           1 ->
-            validate_inclusion(changeset, :source_variant, ["default", "lazy", "wasm"])
+            validate_inclusion(changeset, :source_variant, ["default", "lazy", "wasm", "native"])
 
           2 ->
-            validate_inclusion(changeset, :source_variant, ["default", "lazy"])
+            validate_inclusion(changeset, :source_variant, ["default", "lazy", "native"])
 
           3 ->
-            validate_inclusion(changeset, :source_variant, ["default", "concurrent", "non-det"])
+            validate_inclusion(changeset, :source_variant, [
+              "default",
+              "concurrent",
+              "non-det",
+              "native"
+            ])
 
           4 ->
-            validate_inclusion(changeset, :source_variant, ["default", "gpu"])
+            validate_inclusion(changeset, :source_variant, ["default", "gpu", "native"])
 
           _ ->
             add_error(changeset, :source_chapter, "is invalid")

test/cadet/assessments/library_test.exs

@@ -40,13 +40,17 @@ defmodule Cadet.Assessments.LibraryTest do
         {1, "default"},
         {1, "wasm"},
         {1, "lazy"},
+        {1, "native"},
         {2, "default"},
         {2, "lazy"},
+        {2, "native"},
         {3, "default"},
         {3, "concurrent"},
         {3, "non-det"},
+        {3, "native"},
         {4, "default"},
-        {4, "gpu"}
+        {4, "gpu"},
+        {4, "native"}
       ]
 
       for {c, v} <- variants do

test/cadet/courses/course_test.exs

@@ -123,6 +123,15 @@ defmodule Cadet.Courses.CourseTest do
         :valid
       )
 
+      assert_changeset(
+        %{
+          source_chapter: 3,
+          source_variant: "native",
+          course_name: "Data Structures and Algorithms"
+        },
+        :valid
+      )
+
       assert_changeset(
         %{
           source_chapter: 4,