aboutsummaryrefslogtreecommitdiffstats
path: root/actionpack/test/dispatch/debug_exceptions_test.rb
blob: f3dc160d7defe090b9728218ea67e5c7b31727a7 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
require 'abstract_unit'

class DebugExceptionsTest < ActionDispatch::IntegrationTest

  class Boomer
    attr_accessor :closed

    def initialize(detailed  = false)
      @detailed = detailed
      @closed = false
    end

    def each
    end

    def close
      @closed = true
    end

    def call(env)
      env['action_dispatch.show_detailed_exceptions'] = @detailed
      req = ActionDispatch::Request.new(env)
      case req.path
      when "/pass"
        [404, { "X-Cascade" => "pass" }, self]
      when "/not_found"
        raise ActionController::UnknownAction
      when "/runtime_error"
        raise RuntimeError
      when "/method_not_allowed"
        raise ActionController::MethodNotAllowed
      when "/not_implemented"
        raise ActionController::NotImplemented
      when "/unprocessable_entity"
        raise ActionController::InvalidAuthenticityToken
      when "/not_found_original_exception"
        raise ActionView::Template::Error.new('template', {}, AbstractController::ActionNotFound.new)
      else
        raise "puke!"
      end
    end
  end

  ProductionApp  = ActionDispatch::DebugExceptions.new(Boomer.new(false))
  DevelopmentApp = ActionDispatch::DebugExceptions.new(Boomer.new(true))

  test 'skip diagnosis if not showing detailed exceptions' do
    @app = ProductionApp
    assert_raise RuntimeError do
      get "/", {}, {'action_dispatch.show_exceptions' => true}
    end
  end

  test 'skip diagnosis if not showing exceptions' do
    @app = DevelopmentApp
    assert_raise RuntimeError do
      get "/", {}, {'action_dispatch.show_exceptions' => false}
    end
  end

  test 'raise an exception on cascade pass' do
    @app = ProductionApp
    assert_raise ActionController::RoutingError do
      get "/pass", {}, {'action_dispatch.show_exceptions' => true}
    end
  end

  test 'closes the response body on cascade pass' do
    boomer = Boomer.new(false)
    @app = ActionDispatch::DebugExceptions.new(boomer)
    assert_raise ActionController::RoutingError do
      get "/pass", {}, {'action_dispatch.show_exceptions' => true}
    end
    assert boomer.closed, "Expected to close the response body"
  end

  test "rescue with diagnostics message" do
    @app = DevelopmentApp

    get "/", {}, {'action_dispatch.show_exceptions' => true}
    assert_response 500
    assert_match(/puke/, body)

    get "/not_found", {}, {'action_dispatch.show_exceptions' => true}
    assert_response 404
    assert_match(/#{ActionController::UnknownAction.name}/, body)

    get "/method_not_allowed", {}, {'action_dispatch.show_exceptions' => true}
    assert_response 405
    assert_match(/ActionController::MethodNotAllowed/, body)
  end

  test "does not show filtered parameters" do
    @app = DevelopmentApp

    get "/", {"foo"=>"bar"}, {'action_dispatch.show_exceptions' => true,
      'action_dispatch.parameter_filter' => [:foo]}
    assert_response 500
    assert_match("&quot;foo&quot;=&gt;&quot;[FILTERED]&quot;", body)
  end

  test "show registered original exception for wrapped exceptions" do
    @app = DevelopmentApp

    get "/not_found_original_exception", {}, {'action_dispatch.show_exceptions' => true}
    assert_response 404
    assert_match(/AbstractController::ActionNotFound/, body)
  end

  test "show the controller name in the diagnostics template when controller name is present" do
    @app = DevelopmentApp
    get("/runtime_error", {}, {
      'action_dispatch.show_exceptions' => true,
      'action_dispatch.request.parameters' => {
        'action' => 'show',
        'id' => 'unknown',
        'controller' => 'featured_tile'
      }
    })
    assert_response 500
    assert_match(/RuntimeError\n    in FeaturedTileController/, body)
  end

  test "sets the HTTP charset parameter" do
    @app = DevelopmentApp

    get "/", {}, {'action_dispatch.show_exceptions' => true}
    assert_equal "text/html; charset=utf-8", response.headers["Content-Type"]
  end

  test 'uses logger from env' do
    @app = DevelopmentApp
    output = StringIO.new
    get "/", {}, {'action_dispatch.show_exceptions' => true, 'action_dispatch.logger' => Logger.new(output)}
    assert_match(/puke/, output.rewind && output.read)
  end

  test 'uses backtrace cleaner from env' do
    @app = DevelopmentApp
    cleaner = stub(:clean => ['passed backtrace cleaner'])
    get "/", {}, {'action_dispatch.show_exceptions' => true, 'action_dispatch.backtrace_cleaner' => cleaner}
    assert_match(/passed backtrace cleaner/, body)
  end

  test 'logs exception backtrace when all lines silenced' do
    output = StringIO.new
    backtrace_cleaner = ActiveSupport::BacktraceCleaner.new
    backtrace_cleaner.add_silencer { true }

    env = {'action_dispatch.show_exceptions' => true,
           'action_dispatch.logger' => Logger.new(output),
           'action_dispatch.backtrace_cleaner' => backtrace_cleaner}

    get "/", {}, env
    assert_operator((output.rewind && output.read).lines.count, :>, 10)
  end
end