style: highlight selected table and add tooltip

test/mv_web/components/core_components_table_test.exs

@@ -0,0 +1,154 @@
+defmodule MvWeb.Components.CoreComponentsTableTest do
+  @moduledoc """
+  Tests for the CoreComponents table: row hover/focus and selected styling.
+  """
+  use MvWeb.ConnCase, async: true
+
+  import Phoenix.LiveViewTest
+
+  alias MvWeb.CoreComponents
+
+  describe "table row_click styling" do
+    test "when row_click is set, table rows have hover and focus-within ring classes" do
+      rows = [%{id: "1", name: "Alice"}, %{id: "2", name: "Bob"}]
+
+      assigns = %{
+        id: "test-table",
+        rows: rows,
+        row_id: fn r -> "row-#{r.id}" end,
+        row_click: fn _ -> nil end,
+        row_item: &Function.identity/1,
+        col: [
+          %{
+            __slot__: :col,
+            label: "Name",
+            inner_block: fn _socket, item -> [item[:name] || item["name"] || ""] end
+          }
+        ],
+        dynamic_cols: [],
+        action: []
+      }
+
+      html = render_component(&CoreComponents.table/1, assigns)
+
+      assert html =~ "hover:ring-2"
+      assert html =~ "focus-within:ring-2"
+      assert html =~ "hover:ring-base-content/10"
+    end
+
+    test "when row_click is nil, table rows do not have hover ring classes" do
+      rows = [%{id: "1", name: "Alice"}]
+
+      assigns = %{
+        id: "test-table",
+        rows: rows,
+        row_id: fn r -> "row-#{r.id}" end,
+        row_click: nil,
+        row_item: &Function.identity/1,
+        col: [
+          %{
+            __slot__: :col,
+            label: "Name",
+            inner_block: fn _socket, item -> [item[:name] || ""] end
+          }
+        ],
+        dynamic_cols: [],
+        action: []
+      }
+
+      html = render_component(&CoreComponents.table/1, assigns)
+
+      refute html =~ "hover:ring-2"
+      refute html =~ "focus-within:ring-2"
+    end
+  end
+
+  describe "table selected_row_id styling" do
+    test "when selected_row_id matches a row id, that row has data-selected and ring-primary" do
+      rows = [%{id: "one", name: "Alice"}, %{id: "two", name: "Bob"}]
+
+      assigns = %{
+        id: "test-table",
+        rows: rows,
+        row_id: fn r -> "row-#{r.id}" end,
+        row_click: fn _ -> nil end,
+        selected_row_id: "two",
+        row_item: &Function.identity/1,
+        col: [
+          %{
+            __slot__: :col,
+            label: "Name",
+            inner_block: fn _socket, item -> [item[:name] || ""] end
+          }
+        ],
+        dynamic_cols: [],
+        action: []
+      }
+
+      html = render_component(&CoreComponents.table/1, assigns)
+
+      assert html =~ ~s(id="row-two")
+      assert html =~ ~s(data-selected="true")
+      assert html =~ "ring-primary"
+    end
+
+    test "when selected_row_id is nil, no row has data-selected" do
+      rows = [%{id: "1", name: "Alice"}]
+
+      assigns = %{
+        id: "test-table",
+        rows: rows,
+        row_id: fn r -> "row-#{r.id}" end,
+        row_click: nil,
+        selected_row_id: nil,
+        row_item: &Function.identity/1,
+        col: [
+          %{
+            __slot__: :col,
+            label: "Name",
+            inner_block: fn _socket, item -> [item[:name] || ""] end
+          }
+        ],
+        dynamic_cols: [],
+        action: []
+      }
+
+      html = render_component(&CoreComponents.table/1, assigns)
+
+      refute html =~ ~s(data-selected="true")
+    end
+
+    test "when row_selected? is set, multiple rows can have data-selected and ring-primary" do
+      rows = [%{id: "a", name: "Alice"}, %{id: "b", name: "Bob"}, %{id: "c", name: "Claire"}]
+      selected_ids = MapSet.new(["a", "c"])
+
+      assigns = %{
+        id: "test-table",
+        rows: rows,
+        row_id: fn r -> "row-#{r.id}" end,
+        row_click: fn _ -> nil end,
+        row_selected?: fn item -> MapSet.member?(selected_ids, item.id) end,
+        row_item: &Function.identity/1,
+        col: [
+          %{
+            __slot__: :col,
+            label: "Name",
+            inner_block: fn _socket, item -> [item[:name] || ""] end
+          }
+        ],
+        dynamic_cols: [],
+        action: []
+      }
+
+      html = render_component(&CoreComponents.table/1, assigns)
+
+      # Two rows selected (a and c), one not (b)
+      assert html =~ ~s(id="row-a")
+      assert html =~ ~s(id="row-b")
+      assert html =~ ~s(id="row-c")
+      # data-selected appears twice (for row a and row c)
+      assert String.contains?(html, ~s(data-selected="true"))
+      assert html =~ "ring-primary"
+    end
+  end
+end