works, basically

test/unit/stop_timer_test.rb

@@ -0,0 +1,34 @@
+require_relative '../test_helper'
+
+class StopTimerTest < ActiveSupport::TestCase
+  fixtures :users, :user_preferences, :time_entries, :projects,
+    :roles, :member_roles, :members, :enumerations, :enabled_modules
+
+  setup do
+    @user = User.find 1
+    @time_entry = TimeEntry.where(user_id: 1).first
+    # so we dont have to load all the issue and related fixtures:
+    @time_entry.update_column :issue_id, nil
+  end
+
+  test "should stop and save timer" do
+    hours = @time_entry.hours
+    r = Stopwatch::StartTimer.new(@time_entry, user: @user).call
+    assert r.success?
+    t = Stopwatch::Timer.new(@user)
+    data = t.send(:data)
+    data[:started_at] = 1.hour.ago.to_i
+    t.save
+
+    @time_entry.reload
+    assert_equal hours, @time_entry.hours
+    r = Stopwatch::StopTimer.new(user: @user).call
+    assert r.success?
+    @time_entry.reload
+    assert_equal hours+1, @time_entry.hours
+  end
+
+end
+
+
+