Add custom string convertible

Author: glbrntt

Sources/GRPCCore/MethodDescriptor.swift

@@ -63,3 +63,9 @@ public struct MethodDescriptor: Sendable, Hashable {
     self.init(fullyQualifiedService: service, method: method)
   }
 }
+
+extension MethodDescriptor: CustomStringConvertible {
+  public var description: String {
+    self.fullyQualifiedMethod
+  }
+}

Sources/GRPCCore/ServiceDescriptor.swift

@@ -59,3 +59,9 @@ public struct ServiceDescriptor: Sendable, Hashable {
     }
   }
 }
+
+extension ServiceDescriptor: CustomStringConvertible {
+  public var description: String {
+    self.fullyQualifiedService
+  }
+}

Tests/GRPCCoreTests/MethodDescriptorTests.swift

@@ -25,4 +25,14 @@ struct MethodDescriptorTests {
     #expect(descriptor.method == "Baz")
     #expect(descriptor.fullyQualifiedMethod == "foo.bar/Baz")
   }
+
+  @Test("CustomStringConvertible")
+  func description() {
+    let descriptor = MethodDescriptor(
+      service: ServiceDescriptor(fullyQualifiedService: "foo.Foo"),
+      method: "Bar"
+    )
+
+    #expect(String(describing: descriptor) == "foo.Foo/Bar")
+  }
 }

Tests/GRPCCoreTests/ServiceDescriptorTests.swift

@@ -35,4 +35,10 @@ struct ServiceDescriptorTests {
     #expect(descriptor.package == package)
     #expect(descriptor.service == service)
   }
+
+  @Test("CustomStringConvertible")
+  func description() {
+    let descriptor = ServiceDescriptor(fullyQualifiedService: "foo.Foo")
+    #expect(String(describing: descriptor) == "foo.Foo")
+  }
 }