[Hacker Rank] Interview Preparation Kit: Dictionaries and Hashmaps: Hash Tables: Ransom Note. Load test case data from JSON.

JSON load as Resource: https://khalidabuhakmeh.com/how-to-use-embedded-resources-in-dotnet

Author: Gonzalo Diaz

algorithm_exercises_csharp_test/Resources/hackerrank/interview_preparation_kit/dictionaries_and_hashmaps/ctci_ransom_note.testcases.json

@@ -0,0 +1,20 @@
+[
+  {
+    "title": "Sample Test Case 0",
+    "magazine": ["give", "me", "one", "grand", "today", "night"],
+    "note": ["give", "one", "grand", "today"],
+    "expected": "Yes"
+  },
+  {
+    "title": "Sample Test Case 1",
+    "magazine": ["two", "times", "three", "is", "not", "four"],
+    "note": ["two", "times", "two", "is", "four"],
+    "expected": "No"
+  },
+  {
+    "title": "Sample Test",
+    "magazine": ["two", "two", "times", "three", "is", "not", "four"],
+    "note": ["two", "times", "two", "is", "four"],
+    "expected": "Yes"
+  }
+]

algorithm_exercises_csharp_test/algorithm_exercises_csharp_test.csproj

@@ -57,5 +57,6 @@
 
   <ItemGroup>
     <EmbeddedResource Include="Resources/hackerrank/interview_preparation_kit/arrays/ctci_array_left_rotation.testcases.json" />
+    <EmbeddedResource Include="Resources/hackerrank/interview_preparation_kit/dictionaries_and_hashmaps/ctci_ransom_note.testcases.json" />
   </ItemGroup>
 </Project>

algorithm_exercises_csharp_test/src/hackerrank/interview_preparation_kit/dictionaries_and_hashmaps/RansomNote.Test.cs

@@ -1,51 +1,34 @@
 namespace algorithm_exercises_csharp.hackerrank.interview_preparation_kit;
 
+using Newtonsoft.Json;
+
 [TestClass]
 public class RansomNoteTest
 {
   public class RansomNoteTestCase
   {
-    public string title = "";
-    public List<string> magazine = [];
-    public List<string> note = [];
-    public string expected = "";
+    public string title { get; set; }
+    public List<string> magazine { get; set; }
+    public List<string> note { get; set; }
+    public string expected { get; set; }
   }
 
-  public class ArraysLeftRotationsTestCase
+  private List<RansomNoteTestCase> testCases { get; set; }
+
+  [TestInitialize]
+  public void testInitialize()
   {
-    public List<int> input = []; public int d; public List<int> expected = [];
+    testCases = JsonConvert.DeserializeObject<List<RansomNoteTestCase>>(
+      JsonLoader.resourceLoad("hackerrank/interview_preparation_kit/dictionaries_and_hashmaps/ctci_ransom_note.testcases.json")
+    ) ?? [];
   }
 
-  private static readonly RansomNoteTestCase[] tests = [
-    new()
-    {
-      title = "Sample Test Case 0",
-      magazine = ["give", "me", "one", "grand", "today", "night"],
-      note = ["give", "one", "grand", "today"],
-      expected = "Yes"
-    },
-    new()
-    {
-      title = "Sample Test Case 1",
-      magazine = ["two", "times", "three", "is", "not", "four"],
-      note = ["two", "times", "two", "is", "four"],
-      expected = "No"
-    },
-    new()
-    {
-      title = "Sample Test",
-      magazine = ["two", "two", "times", "three", "is", "not", "four"],
-      note = ["two", "times", "two", "is", "four"],
-      expected = "Yes"
-    },
-  ];
-
   [TestMethod]
   public void testCheckMagazine()
   {
     string result;
 
-    foreach (RansomNoteTestCase test in tests)
+    foreach (RansomNoteTestCase test in testCases)
     {
       result = RansomNote.checkMagazine(test.magazine, test.note);
       Assert.AreEqual(test.expected, result);