(#58) Implement requirement rule CPMR0074

src/Chocolatey.Community.Validation.Tests/Rules/DependenciesElementRulesTests.ShouldFlagDependency_id=test-package.hook_version=1.0.0.verified.txt

@@ -0,0 +1,8 @@
+[
+  {
+    HelpUrl: https://ch0.co/rules/cpmr0074,
+    Id: CPMR0074,
+    Message: Package has dependency on test-package.hook package. Hook packages should not be defined as a dependency.,
+    Severity: Error
+  }
+]

src/Chocolatey.Community.Validation.Tests/Rules/DependenciesElementRulesTests.ShouldFlagDependency_id=test-package.hook_version=null.verified.txt

@@ -0,0 +1,8 @@
+[
+  {
+    HelpUrl: https://ch0.co/rules/cpmr0074,
+    Id: CPMR0074,
+    Message: Package has dependency on test-package.hook package. Hook packages should not be defined as a dependency.,
+    Severity: Error
+  }
+]

src/Chocolatey.Community.Validation.Tests/Rules/DependenciesElementRulesTests.ShouldReturnAvailableRulesForImplementation.verified.txt

@@ -10,5 +10,11 @@
     Id: CPMR0062,
     Summary: A dependency on Chocolatey CLI has been added.,
     HelpUrl: https://ch0.co/rules/cpmr0062
+  },
+  {
+    Severity: Error,
+    Id: CPMR0074,
+    Summary: Package has dependency on .hook package.,
+    HelpUrl: https://ch0.co/rules/cpmr0074
   }
 ]

src/Chocolatey.Community.Validation.Tests/Rules/DependenciesElementRulesTests.cs

@@ -13,7 +13,9 @@ public class DependenciesElementRulesTests : RuleTestBase<DependenciesElementRul
         [TestCase("chocolatey", "[,2.0.0)")]
         [TestCase("chocolatey", "[2.0.0, 3.0.0)")]
         [TestCase("chocolatey", "[2.0.0,]")]
-        public async Task ShouldFlagDependencyOnChocolatey(string id, string version)
+        [TestCase("test-package.hook", null)]
+        [TestCase("test-package.hook", "1.0.0")]
+        public async Task ShouldFlagDependency(string id, string version)
         {
             var testContent = GetTestContent("Test Package", (id, version));
 
@@ -67,6 +69,14 @@ public async Task ShouldFlagWhenTitleContainsDeprecatedWithoutDependenciesThatIs
             await VerifyNuspec(testContent);
         }
 
+        [Test]
+        public async Task ShouldNotFlagDependencyNotUsingCorrectHookExtension()
+        {
+            var testContent = GetTestContent("Test Package", ("test-package-hook", null));
+
+            await VerifyEmptyResults(testContent);
+        }
+
         [Test]
         public async Task ShouldNotFlagWhenTitleDoesNotContainDeprecatedNotice()
         {

src/Chocolatey.Community.Validation/Rules/DependenciesElementRules.cs

@@ -12,6 +12,7 @@ public sealed class DependenciesElementRules : CCRMetadataRuleBase
     {
         private const string DeprecatedNoDependencyRuleId = "CPMR0017";
         private const string ChocolateyDependencyRuleId = "CPMR0062";
+        private const string HookDependencyRuleId = "CPMR0074";
 
         public override IEnumerable<RuleResult> Validate(global::NuGet.Packaging.NuspecReader reader)
         {
@@ -38,13 +39,18 @@ public override IEnumerable<RuleResult> Validate(global::NuGet.Packaging.NuspecR
 
                     yield return GetRule(ChocolateyDependencyRuleId, message);
                 }
+                else if (dependency.Id.EndsWith(".hook", StringComparison.OrdinalIgnoreCase))
+                {
+                    yield return GetRule(HookDependencyRuleId, $"Package has dependency on {dependency.Id} package. Hook packages should not be defined as a dependency.");
+                }
             }
         }
 
         protected internal override IEnumerable<(RuleType severity, string? id, string summary)> GetRulesInformation()
         {
             yield return (RuleType.Error, DeprecatedNoDependencyRuleId, "Deprecated packages must have a dependency.");
             yield return (RuleType.Note, ChocolateyDependencyRuleId, "A dependency on Chocolatey CLI has been added.");
+            yield return (RuleType.Error, HookDependencyRuleId, "Package has dependency on .hook package.");
         }
     }
 }