times_channel_destroyer_testを追加

test/models/times_channel_destroyer_test.rb

@@ -0,0 +1,31 @@
+# frozen_string_literal: true
+
+require 'test_helper'
+
+class TimesChannelCreatorTest < ActiveSupport::TestCase
+  test '#call' do
+    logs = []
+    user = users(:hajime)
+    user.update!(times_id: '987654321987654321')
+    Rails.logger.stub(:warn, ->(message) { logs << message }) do
+      Discord::Server.stub(:delete_text_channel, true) do
+        TimesChannelDestroyer.new.call(user)
+      end
+      assert_nil user.times_id
+      assert_nil logs.last
+    end
+  end
+
+  test '#call with failure' do
+    logs = []
+    user = users(:hajime)
+    user.update!(times_id: '987654321987654321')
+    Rails.logger.stub(:warn, ->(message) { logs << message }) do
+      Discord::Server.stub(:delete_text_channel, nil) do
+        TimesChannelDestroyer.new.call(user)
+      end
+      assert_equal '987654321987654321', user.times_id
+      assert_equal "[Discord API] #{user.login_name}の分報チャンネルが削除できませんでした。", logs.last
+    end
+  end
+end