掲示板実装

test/models/board_test.rb

@@ -0,0 +1,85 @@
+require "test_helper"
+
+class BoardTest < ActiveSupport::TestCase
+  def setup
+    @game = games(:one) # fixturesから取得
+    @austria = users(:austria)
+    @germany = users(:germany)
+    @russia = users(:russia)
+
+    # 参加者作成（fixtureに依存せず動的に作る方が安全だが簡略化）
+    @p_austria = Participant.create!(game: @game, user: @austria, power: "AUSTRIA")
+    @p_germany = Participant.create!(game: @game, user: @germany, power: "GERMANY")
+    @p_russia = Participant.create!(game: @game, user: @russia, power: "RUSSIA")
+  end
+
+  test "should create global board automatically" do
+    new_game = Game.create!(
+      title: "New Game",
+      status: "recruiting",
+      turn_schedule: "0,12",
+      participants_count: 7,
+      victory_sc_count: 18,
+      scoring_system: "none"
+    )
+    assert new_game.boards.global.exists?
+  end
+
+  test "should create negotiation board" do
+    board = @game.boards.new(board_type: "negotiation", created_by_participant_id: @p_austria.id)
+    assert board.save
+
+    # メンバー追加
+    board.board_memberships.create!(participant: @p_austria, joined_at: Time.current)
+    board.board_memberships.create!(participant: @p_germany, joined_at: Time.current)
+
+    assert board.member?(@p_austria)
+    assert board.member?(@p_germany)
+    assert_not board.member?(@p_russia)
+  end
+
+  test "should not allow duplicate member combination" do
+    # 既存のボード: Austria & Germany
+    board1 = @game.boards.create!(board_type: "negotiation", created_by_participant_id: @p_austria.id)
+    board1.board_memberships.create!(participant: @p_austria, joined_at: Time.current)
+    board1.board_memberships.create!(participant: @p_germany, joined_at: Time.current)
+
+    # 新しいボード: Austria & Germany (重複)
+    board2 = @game.boards.new(board_type: "negotiation", created_by_participant_id: @p_austria.id)
+    board2.board_memberships.build(participant: @p_austria, joined_at: Time.current)
+    board2.board_memberships.build(participant: @p_germany, joined_at: Time.current)
+
+    assert_not board2.valid?
+    assert_includes board2.errors[:base], "同じメンバー構成の掲示板がすでに存在します"
+
+    # メンバーが違えばOK: Austria & Russia
+    board3 = @game.boards.new(board_type: "negotiation", created_by_participant_id: @p_austria.id)
+    board3.board_memberships.build(participant: @p_austria, joined_at: Time.current)
+    board3.board_memberships.build(participant: @p_russia, joined_at: Time.current)
+
+    assert board3.valid?
+  end
+
+  test "unread count" do
+    board = @game.boards.create!(board_type: "negotiation", created_by_participant_id: @p_austria.id)
+    m_austria = board.board_memberships.create!(participant: @p_austria, joined_at: Time.current)
+
+    # 投稿前の未読は0
+    assert_equal 0, board.unread_count_for(@p_austria)
+
+    # 投稿作成
+    post1 = board.board_posts.create!(participant: @p_austria, body: "Hello")
+    post2 = board.board_posts.create!(participant: @p_austria, body: "World")
+
+    # Last read が nil なので全件未読扱いにはならない（ロジック上は last_read_post_id || 0 なので `id > 0` の件数になる）
+    # `id` はauto incrementで正の数なので、全件カウントされるはず
+    assert_equal 2, board.unread_count_for(@p_austria)
+
+    # 既読更新
+    m_austria.mark_read!(post1.id)
+    assert_equal 1, board.unread_count_for(@p_austria)
+
+    m_austria.mark_read!(post2.id)
+    assert_equal 0, board.unread_count_for(@p_austria)
+  end
+end