chore: movs display name helper to won helper module

test/mv_web/helpers/member_helpers_test.exs

@@ -0,0 +1,141 @@
+defmodule MvWeb.Helpers.MemberHelpersTest do
+  @moduledoc """
+  Tests for the display_name/1 helper function in MemberHelpers.
+  """
+  use Mv.DataCase, async: true
+
+  alias Mv.Membership.Member
+  alias MvWeb.Helpers.MemberHelpers
+
+  describe "display_name/1" do
+    test "returns full name when both first_name and last_name are present" do
+      member = %Member{
+        first_name: "John",
+        last_name: "Doe",
+        email: "john@example.com"
+      }
+
+      assert MemberHelpers.display_name(member) == "John Doe"
+    end
+
+    test "returns email when both first_name and last_name are nil" do
+      member = %Member{
+        first_name: nil,
+        last_name: nil,
+        email: "john@example.com"
+      }
+
+      assert MemberHelpers.display_name(member) == "john@example.com"
+    end
+
+    test "returns first_name only when last_name is nil" do
+      member = %Member{
+        first_name: "John",
+        last_name: nil,
+        email: "john@example.com"
+      }
+
+      assert MemberHelpers.display_name(member) == "John"
+    end
+
+    test "returns last_name only when first_name is nil" do
+      member = %Member{
+        first_name: nil,
+        last_name: "Doe",
+        email: "john@example.com"
+      }
+
+      assert MemberHelpers.display_name(member) == "Doe"
+    end
+
+    test "returns email when first_name and last_name are empty strings" do
+      member = %Member{
+        first_name: "",
+        last_name: "",
+        email: "john@example.com"
+      }
+
+      assert MemberHelpers.display_name(member) == "john@example.com"
+    end
+
+    test "returns email when first_name and last_name are whitespace only" do
+      member = %Member{
+        first_name: "   ",
+        last_name: "  \t  ",
+        email: "john@example.com"
+      }
+
+      assert MemberHelpers.display_name(member) == "john@example.com"
+    end
+
+    test "trims whitespace from name parts" do
+      member = %Member{
+        first_name: "  John  ",
+        last_name: "  Doe  ",
+        email: "john@example.com"
+      }
+
+      assert MemberHelpers.display_name(member) == "John Doe"
+    end
+
+    test "handles one empty string and one nil" do
+      member = %Member{
+        first_name: "",
+        last_name: nil,
+        email: "john@example.com"
+      }
+
+      assert MemberHelpers.display_name(member) == "john@example.com"
+    end
+
+    test "handles one nil and one empty string" do
+      member = %Member{
+        first_name: nil,
+        last_name: "",
+        email: "john@example.com"
+      }
+
+      assert MemberHelpers.display_name(member) == "john@example.com"
+    end
+
+    test "handles one whitespace and one nil" do
+      member = %Member{
+        first_name: "   ",
+        last_name: nil,
+        email: "john@example.com"
+      }
+
+      assert MemberHelpers.display_name(member) == "john@example.com"
+    end
+
+    test "handles one valid name and one whitespace" do
+      member = %Member{
+        first_name: "John",
+        last_name: "   ",
+        email: "john@example.com"
+      }
+
+      assert MemberHelpers.display_name(member) == "John"
+    end
+
+    test "handles member with only first_name containing whitespace" do
+      member = %Member{
+        first_name: "  John  ",
+        last_name: nil,
+        email: "john@example.com"
+      }
+
+      assert MemberHelpers.display_name(member) == "John"
+    end
+
+    test "handles member with only last_name containing whitespace" do
+      member = %Member{
+        first_name: nil,
+        last_name: "  Doe  ",
+        email: "john@example.com"
+      }
+
+      assert MemberHelpers.display_name(member) == "Doe"
+    end
+  end
+end

test/mv_web/member_live/index_display_name_test.exs

@@ -1,11 +1,11 @@
-defmodule MvWeb.MemberLive.Index.DisplayNameTest do
+defmodule MvWeb.Helpers.MemberHelpersTest do
   @moduledoc """
-  Tests for the display_name/1 helper function in MemberLive.Index.
+  Tests for the display_name/1 helper function in MemberHelpers.
   """
   use Mv.DataCase, async: true
 
   alias Mv.Membership.Member
-  alias MvWeb.MemberLive.Index
+  alias MvWeb.Helpers.MemberHelpers
 
   describe "display_name/1" do
     test "returns full name when both first_name and last_name are present" do
@@ -15,7 +15,7 @@ defmodule MvWeb.MemberLive.Index.DisplayNameTest do
         email: "john@example.com"
       }
 
-      assert Index.display_name(member) == "John Doe"
+      assert MemberHelpers.display_name(member) == "John Doe"
     end
 
     test "returns email when both first_name and last_name are nil" do
@@ -25,7 +25,7 @@ defmodule MvWeb.MemberLive.Index.DisplayNameTest do
         email: "john@example.com"
       }
 
-      assert Index.display_name(member) == "john@example.com"
+      assert MemberHelpers.display_name(member) == "john@example.com"
     end
 
     test "returns first_name only when last_name is nil" do
@@ -35,7 +35,7 @@ defmodule MvWeb.MemberLive.Index.DisplayNameTest do
         email: "john@example.com"
       }
 
-      assert Index.display_name(member) == "John"
+      assert MemberHelpers.display_name(member) == "John"
     end
 
     test "returns last_name only when first_name is nil" do
@@ -45,7 +45,7 @@ defmodule MvWeb.MemberLive.Index.DisplayNameTest do
         email: "john@example.com"
       }
 
-      assert Index.display_name(member) == "Doe"
+      assert MemberHelpers.display_name(member) == "Doe"
     end
 
     test "returns email when first_name and last_name are empty strings" do
@@ -55,7 +55,7 @@ defmodule MvWeb.MemberLive.Index.DisplayNameTest do
         email: "john@example.com"
       }
 
-      assert Index.display_name(member) == "john@example.com"
+      assert MemberHelpers.display_name(member) == "john@example.com"
     end
 
     test "returns email when first_name and last_name are whitespace only" do
@@ -65,7 +65,7 @@ defmodule MvWeb.MemberLive.Index.DisplayNameTest do
         email: "john@example.com"
       }
 
-      assert Index.display_name(member) == "john@example.com"
+      assert MemberHelpers.display_name(member) == "john@example.com"
     end
 
     test "trims whitespace from name parts" do
@@ -75,7 +75,7 @@ defmodule MvWeb.MemberLive.Index.DisplayNameTest do
         email: "john@example.com"
       }
 
-      assert Index.display_name(member) == "John Doe"
+      assert MemberHelpers.display_name(member) == "John Doe"
     end
 
     test "handles one empty string and one nil" do
@@ -85,7 +85,7 @@ defmodule MvWeb.MemberLive.Index.DisplayNameTest do
         email: "john@example.com"
       }
 
-      assert Index.display_name(member) == "john@example.com"
+      assert MemberHelpers.display_name(member) == "john@example.com"
     end
 
     test "handles one nil and one empty string" do
@@ -95,7 +95,7 @@ defmodule MvWeb.MemberLive.Index.DisplayNameTest do
         email: "john@example.com"
       }
 
-      assert Index.display_name(member) == "john@example.com"
+      assert MemberHelpers.display_name(member) == "john@example.com"
     end
 
     test "handles one whitespace and one nil" do
@@ -105,7 +105,7 @@ defmodule MvWeb.MemberLive.Index.DisplayNameTest do
         email: "john@example.com"
       }
 
-      assert Index.display_name(member) == "john@example.com"
+      assert MemberHelpers.display_name(member) == "john@example.com"
     end
 
     test "handles one valid name and one whitespace" do
@@ -115,7 +115,7 @@ defmodule MvWeb.MemberLive.Index.DisplayNameTest do
         email: "john@example.com"
       }
 
-      assert Index.display_name(member) == "John"
+      assert MemberHelpers.display_name(member) == "John"
     end
 
     test "handles member with only first_name containing whitespace" do
@@ -125,7 +125,7 @@ defmodule MvWeb.MemberLive.Index.DisplayNameTest do
         email: "john@example.com"
       }
 
-      assert Index.display_name(member) == "John"
+      assert MemberHelpers.display_name(member) == "John"
     end
 
     test "handles member with only last_name containing whitespace" do
@@ -135,7 +135,7 @@ defmodule MvWeb.MemberLive.Index.DisplayNameTest do
         email: "john@example.com"
       }
 
-      assert Index.display_name(member) == "Doe"
+      assert MemberHelpers.display_name(member) == "Doe"
     end
   end
 end