Dav*_*ave 5 unit-testing controller instance-variables minitest ruby-on-rails-5
我正在使用rails 5和minitest.我想知道,我如何在我的控制器方法的实例变量中测试字段的值.我意识到,如果我想测试变量是否已定义,我可以这样做
assert_not_nil assigns(:issue)
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但是如果我想测试@ issue.stop_id的值,我就不太清楚了.我的控制器方法是
# GET /issues/new
def new
unless user_signed_in?
redirect_to new_user_session_path
end
@issue = Issue.new(stop_onestop_id: params[:stop_id], line_onestop_id: params[:line_id])
end
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我在我的测试方法中尝试这个
test "get index page" do
get index_url
assert_not_nil assigns(:issue)
assert_equal test_stop_id, @issue.stop.id
assert_equal test_line_id, @issue.line.id
assert_response :success
end
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但我在线上得到NoSuchMethodError
assert_equal test_stop_id, @issue.stop_id
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在测试方法中
test "logged in should get issues page" do
sign_in users(:one)
test_stop_id = 1
test_line_id = 1
get new_issue_url, params: {stop_id: test_stop_id, line_id: test_line_id}
assert_equal test_stop_id, @issue.stop_id
assert_equal test_line_id, @issue.line_id
assert_response :success
end
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这可能不是处理它的最佳方法,但我注意到 usingassigns(:instance_var_name)将返回实例变量的值,因此您可以使用如下所示的方法来测试该值:
issue_var = assigns(:issue)
assert_equal test_stop_id, issue_var.stop_id
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