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
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
|
# frozen_string_literal: true
# rubocop:disable Style/GlobalVars
require 'capybara/rails'
require 'capybara/rspec'
require 'capybara-screenshot/rspec'
require 'selenium-webdriver'
# Give CI some extra time
timeout = ENV['CI'] || ENV['CI_SERVER'] ? 60 : 30
# Support running Capybara on a specific port to allow saving commonly used pages
Capybara.server_port = ENV['CAPYBARA_PORT'] if ENV['CAPYBARA_PORT']
# Define an error class for JS console messages
JSConsoleError = Class.new(StandardError)
# Filter out innocuous JS console messages
JS_CONSOLE_FILTER = Regexp.union([
'"[HMR] Waiting for update signal from WDS..."',
'"[WDS] Hot Module Replacement enabled."',
'"[WDS] Live Reloading enabled."',
'Download the Vue Devtools extension',
'Download the Apollo DevTools'
])
CAPYBARA_WINDOW_SIZE = [1366, 768].freeze
# Run Workhorse on the given host and port, proxying to Puma on a UNIX socket,
# for a closer-to-production experience
Capybara.register_server :puma_via_workhorse do |app, port, host, **options|
file = Tempfile.new
socket_path = file.path
file.close! # We just want the filename
TestEnv.with_workhorse(TestEnv.workhorse_dir, host, port, socket_path) do
Capybara.servers[:puma].call(app, nil, socket_path, **options)
end
end
Capybara.register_driver :chrome do |app|
capabilities = Selenium::WebDriver::Remote::Capabilities.chrome(
# This enables access to logs with `page.driver.manage.get_log(:browser)`
loggingPrefs: {
browser: "ALL",
client: "ALL",
driver: "ALL",
server: "ALL"
}
)
options = Selenium::WebDriver::Chrome::Options.new
options.add_argument("window-size=#{CAPYBARA_WINDOW_SIZE.join(',')}")
# Chrome won't work properly in a Docker container in sandbox mode
options.add_argument("no-sandbox")
# Run headless by default unless CHROME_HEADLESS specified
options.add_argument("headless") unless ENV['CHROME_HEADLESS'] =~ /^(false|no|0)$/i
# Disable /dev/shm use in CI. See https://gitlab.com/gitlab-org/gitlab/issues/4252
options.add_argument("disable-dev-shm-usage") if ENV['CI'] || ENV['CI_SERVER']
# Explicitly set user-data-dir to prevent crashes. See https://gitlab.com/gitlab-org/gitlab-foss/issues/58882#note_179811508
options.add_argument("user-data-dir=/tmp/chrome") if ENV['CI'] || ENV['CI_SERVER']
# Chrome 75 defaults to W3C mode which doesn't allow console log access
options.add_option(:w3c, false)
Capybara::Selenium::Driver.new(
app,
browser: :chrome,
desired_capabilities: capabilities,
options: options
)
end
Capybara.server = :puma_via_workhorse
Capybara.javascript_driver = :chrome
Capybara.default_max_wait_time = timeout
Capybara.ignore_hidden_elements = true
Capybara.default_normalize_ws = true
Capybara.enable_aria_label = true
Capybara::Screenshot.append_timestamp = false
Capybara::Screenshot.register_filename_prefix_formatter(:rspec) do |example|
example.full_description.downcase.parameterize(separator: "_")[0..99]
end
# Keep only the screenshots generated from the last failing test suite
Capybara::Screenshot.prune_strategy = :keep_last_run
# From https://github.com/mattheworiordan/capybara-screenshot/issues/84#issuecomment-41219326
Capybara::Screenshot.register_driver(:chrome) do |driver, path|
driver.browser.save_screenshot(path)
end
RSpec.configure do |config|
config.include CapybaraHelpers, type: :feature
config.before(:context, :js) do
# This prevents Selenium from creating thousands of connections while waiting for
# an element to appear
webmock_enable_with_http_connect_on_start!
next if $capybara_server_already_started
TestEnv.eager_load_driver_server
$capybara_server_already_started = true
end
config.after(:context, :js) do
# WebMock doesn't stub connections, so we need to restore the original behavior
# to prevent many specs from failing:
# https://github.com/bblimke/webmock/blob/master/README.md#connecting-on-nethttpstart
webmock_enable!
end
config.before(:example, :js) do
session = Capybara.current_session
allow(Gitlab::Application.routes).to receive(:default_url_options).and_return(
host: session.server.host,
port: session.server.port,
protocol: 'http')
# reset window size between tests
unless session.current_window.size == CAPYBARA_WINDOW_SIZE
begin
session.current_window.resize_to(*CAPYBARA_WINDOW_SIZE)
rescue # ?
end
end
end
# The :capybara_ignore_server_errors metadata means unhandled exceptions raised
# by the application under test will not necessarily fail the server. This is
# useful when testing conditions that are expected to raise a 500 error in
# production; it should not be used on the happy path.
config.around(:each, :capybara_ignore_server_errors) do |example|
Capybara.raise_server_errors = false
example.run
if example.metadata[:screenshot]
screenshot = example.metadata[:screenshot][:image] || example.metadata[:screenshot][:html]
example.metadata[:stdout] = %{[[ATTACHMENT|#{screenshot}]]}
end
ensure
Capybara.raise_server_errors = true
end
config.after(:example, :js) do |example|
# when a test fails, display any messages in the browser's console
# but fail don't add the message if the failure is a pending test that got
# fixed. If we raised the `JSException` the fixed test would be marked as
# failed again.
if example.exception && !example.exception.is_a?(RSpec::Core::Pending::PendingExampleFixedError)
begin
console = page.driver.browser.manage.logs.get(:browser)&.reject { |log| log.message =~ JS_CONSOLE_FILTER }
if console.present?
message = "Unexpected browser console output:\n" + console.map(&:message).join("\n")
raise JSConsoleError, message
end
rescue Selenium::WebDriver::Error::WebDriverError => error
if error.message =~ /unknown command: session\/[0-9a-zA-Z]+(?:\/se)?\/log/
message = "Unable to access Chrome javascript console logs. You may be using an outdated version of ChromeDriver."
raise JSConsoleError, message
else
raise error
end
end
end
# prevent localStorage from introducing side effects based on test order
unless ['', 'about:blank', 'data:,'].include? Capybara.current_session.driver.browser.current_url
execute_script("localStorage.clear();")
end
# capybara/rspec already calls Capybara.reset_sessions! in an `after` hook,
# but `block_and_wait_for_requests_complete` is called before it so by
# calling it explicitly here, we prevent any new requests from being fired
# See https://github.com/teamcapybara/capybara/blob/ffb41cfad620de1961bb49b1562a9fa9b28c0903/lib/capybara/rspec.rb#L20-L25
# We don't reset the session when the example failed, because we need capybara-screenshot to have access to it.
Capybara.reset_sessions! unless example.exception
block_and_wait_for_requests_complete
end
end
|
