|
require 'spec_helper'
describe Agents::WebsiteAgent do
describe "checking without basic auth" do
before do
stub_request(:any, /xkcd/).to_return(body: File.read(Rails.root.join("spec/data_fixtures/xkcd.html")),
status: 200,
headers: {
'X-Status-Message' => 'OK'
})
@valid_options = {
'name' => "XKCD",
'expected_update_period_in_days' => "2",
'type' => "html",
'url' => "http://xkcd.com",
'mode' => 'on_change',
'extract' => {
'url' => { 'css' => "#comic img", 'value' => "@src" },
'title' => { 'css' => "#comic img", 'value' => "@alt" },
'hovertext' => { 'css' => "#comic img", 'value' => "@title" }
}
}
@checker = Agents::WebsiteAgent.new(:name => "xkcd", :options => @valid_options, :keep_events_for => 2.days)
@checker.user = users(:bob)
@checker.save!
end
it_behaves_like WebRequestConcern
describe "validations" do
before do
expect(@checker).to be_valid
end
it "should validate the integer fields" do
@checker.options['expected_update_period_in_days'] = "2"
expect(@checker).to be_valid
@checker.options['expected_update_period_in_days'] = "nonsense"
expect(@checker).not_to be_valid
end
it "should validate uniqueness_look_back" do
@checker.options['uniqueness_look_back'] = "nonsense"
expect(@checker).not_to be_valid
@checker.options['uniqueness_look_back'] = "2"
expect(@checker).to be_valid
end
it "should validate mode" do
@checker.options['mode'] = "nonsense"
expect(@checker).not_to be_valid
@checker.options['mode'] = "on_change"
expect(@checker).to be_valid
@checker.options['mode'] = "all"
expect(@checker).to be_valid
@checker.options['mode'] = ""
expect(@checker).to be_valid
end
it "should validate the force_encoding option" do
@checker.options['force_encoding'] = ''
expect(@checker).to be_valid
@checker.options['force_encoding'] = 'UTF-8'
expect(@checker).to be_valid
@checker.options['force_encoding'] = ['UTF-8']
expect(@checker).not_to be_valid
@checker.options['force_encoding'] = 'UTF-42'
expect(@checker).not_to be_valid
end
context "in 'json' type" do
it "should ensure that all extractions have a 'path'" do
@checker.options['type'] = 'json'
@checker.options['extract'] = {
'url' => { 'foo' => 'bar' },
}
expect(@checker).to_not be_valid
expect(@checker.errors_on(:base)).to include(/When type is json, all extractions must have a path attribute/)
@checker.options['type'] = 'json'
@checker.options['extract'] = {
'url' => { 'path' => 'bar' },
}
expect(@checker).to be_valid
end
end
end
describe "#check" do
it "should check for changes (and update Event.expires_at)" do
expect { @checker.check }.to change { Event.count }.by(1)
event = Event.last
sleep 2
expect { @checker.check }.not_to change { Event.count }
update_event = Event.last
expect(update_event.expires_at).not_to eq(event.expires_at)
end
it "should always save events when in :all mode" do
expect {
@valid_options['mode'] = 'all'
@checker.options = @valid_options
@checker.check
@checker.check
}.to change { Event.count }.by(2)
end
it "should take uniqueness_look_back into account during deduplication" do
@valid_options['mode'] = 'all'
@checker.options = @valid_options
@checker.check
@checker.check
event = Event.last
event.payload = "{}"
event.save
expect {
@valid_options['mode'] = 'on_change'
@valid_options['uniqueness_look_back'] = 2
@checker.options = @valid_options
@checker.check
}.not_to change { Event.count }
expect {
@valid_options['mode'] = 'on_change'
@valid_options['uniqueness_look_back'] = 1
@checker.options = @valid_options
@checker.check
}.to change { Event.count }.by(1)
end
it "should log an error if the number of results for a set of extraction patterns differs" do
@valid_options['extract']['url']['css'] = "div"
@checker.options = @valid_options
@checker.check
expect(@checker.logs.first.message).to match(/Got an uneven number of matches/)
end
it "should accept an array for url" do
@valid_options['url'] = ["http://xkcd.com/1/", "http://xkcd.com/2/"]
@checker.options = @valid_options
expect { @checker.save! }.not_to raise_error;
expect { @checker.check }.not_to raise_error;
end
it "should parse events from all urls in array" do
expect {
@valid_options['url'] = ["http://xkcd.com/", "http://xkcd.com/"]
@valid_options['mode'] = 'all'
@checker.options = @valid_options
@checker.check
}.to change { Event.count }.by(2)
end
it "should follow unique rules when parsing array of urls" do
expect {
@valid_options['url'] = ["http://xkcd.com/", "http://xkcd.com/"]
@checker.options = @valid_options
@checker.check
}.to change { Event.count }.by(1)
end
end
describe 'unzipping' do
it 'should unzip automatically if the response has Content-Encoding: gzip' do
json = {
'response' => {
'version' => 2,
'title' => "hello!"
}
}
zipped = ActiveSupport::Gzip.compress(json.to_json)
stub_request(:any, /gzip/).to_return(body: zipped, headers: { 'Content-Encoding' => 'gzip' }, status: 200)
site = {
'name' => "Some JSON Response",
'expected_update_period_in_days' => "2",
'type' => "json",
'url' => "http://gzip.com",
'mode' => 'on_change',
'extract' => {
'version' => { 'path' => 'response.version' },
},
# no unzip option
}
checker = Agents::WebsiteAgent.new(:name => "Weather Site", :options => site)
checker.user = users(:bob)
checker.save!
checker.check
event = Event.last
expect(event.payload['version']).to eq(2)
end
it 'should unzip with unzip option' do
json = {
'response' => {
'version' => 2,
'title' => "hello!"
}
}
zipped = ActiveSupport::Gzip.compress(json.to_json)
stub_request(:any, /gzip/).to_return(body: zipped, status: 200)
site = {
'name' => "Some JSON Response",
'expected_update_period_in_days' => "2",
'type' => "json",
'url' => "http://gzip.com",
'mode' => 'on_change',
'extract' => {
'version' => { 'path' => 'response.version' },
},
'unzip' => 'gzip',
}
checker = Agents::WebsiteAgent.new(:name => "Weather Site", :options => site)
checker.user = users(:bob)
checker.save!
checker.check
event = Event.last
expect(event.payload['version']).to eq(2)
end
it 'should either avoid or support a raw deflate stream (#1018)' do
stub_request(:any, /deflate/).with(headers: { 'Accept-Encoding' => /\A(?!.*deflate)/ }).
to_return(body: 'hello',
status: 200)
stub_request(:any, /deflate/).with(headers: { 'Accept-Encoding' => /deflate/ }).
to_return(body: "\xcb\x48\xcd\xc9\xc9\x07\x00\x06\x2c".b,
headers: { 'Content-Encoding' => 'deflate' },
status: 200)
site = {
'name' => 'Some Response',
'expected_update_period_in_days' => '2',
'type' => 'text',
'url' => 'http://deflate',
'mode' => 'on_change',
'extract' => {
'content' => { 'regexp' => '.+', 'index' => 0 }
}
}
checker = Agents::WebsiteAgent.new(name: "Deflate Test", options: site)
checker.user = users(:bob)
checker.save!
expect {
checker.check
}.to change { Event.count }.by(1)
event = Event.last
expect(event.payload['content']).to eq('hello')
end
end
describe 'encoding' do
it 'should be forced with force_encoding option' do
huginn = "\u{601d}\u{8003}"
stub_request(:any, /no-encoding/).to_return(:body => {
:value => huginn,
}.to_json.encode(Encoding::EUC_JP), :headers => {
'Content-Type' => 'application/json',
}, :status => 200)
site = {
'name' => "Some JSON Response",
'expected_update_period_in_days' => "2",
'type' => "json",
'url' => "http://no-encoding.example.com",
'mode' => 'on_change',
'extract' => {
'value' => { 'path' => 'value' },
},
'force_encoding' => 'EUC-JP',
}
checker = Agents::WebsiteAgent.new(:name => "No Encoding Site", :options => site)
checker.user = users(:bob)
checker.save!
checker.check
event = Event.last
expect(event.payload['value']).to eq(huginn)
end
it 'should be overridden with force_encoding option' do
huginn = "\u{601d}\u{8003}"
stub_request(:any, /wrong-encoding/).to_return(:body => {
:value => huginn,
}.to_json.encode(Encoding::EUC_JP), :headers => {
'Content-Type' => 'application/json; UTF-8',
}, :status => 200)
site = {
'name' => "Some JSON Response",
'expected_update_period_in_days' => "2",
'type' => "json",
'url' => "http://wrong-encoding.example.com",
'mode' => 'on_change',
'extract' => {
'value' => { 'path' => 'value' },
},
'force_encoding' => 'EUC-JP',
}
checker = Agents::WebsiteAgent.new(:name => "Wrong Encoding Site", :options => site)
checker.user = users(:bob)
checker.save!
checker.check
event = Event.last
expect(event.payload['value']).to eq(huginn)
end
end
describe '#working?' do
it 'checks if events have been received within the expected receive period' do
stubbed_time = Time.now
stub(Time).now { stubbed_time }
expect(@checker).not_to be_working # No events created
@checker.check
expect(@checker.reload).to be_working # Just created events
@checker.error "oh no!"
expect(@checker.reload).not_to be_working # There is a recent error
stubbed_time = 20.minutes.from_now
@checker.events.delete_all
@checker.check
expect(@checker.reload).to be_working # There is a newer event now
stubbed_time = 2.days.from_now
expect(@checker.reload).not_to be_working # Two days have passed without a new event having been created
end
end
describe "parsing" do
it "parses CSS" do
@checker.check
event = Event.last
expect(event.payload['url']).to eq("http://imgs.xkcd.com/comics/evolving.png")
expect(event.payload['title']).to eq("Evolving")
expect(event.payload['hovertext']).to match(/^Biologists play reverse/)
end
it "parses XPath" do
@valid_options['extract'].each { |key, value|
value.delete('css')
value['xpath'] = "//*[@id='comic']//img"
}
@checker.options = @valid_options
@checker.check
event = Event.last
expect(event.payload['url']).to eq("http://imgs.xkcd.com/comics/evolving.png")
expect(event.payload['title']).to eq("Evolving")
expect(event.payload['hovertext']).to match(/^Biologists play reverse/)
end
it "should turn relative urls to absolute" do
rel_site = {
'name' => "XKCD",
'expected_update_period_in_days' => "2",
'type' => "html",
'url' => "http://xkcd.com",
'mode' => "on_change",
'extract' => {
'url' => {'css' => "#topLeft a", 'value' => "@href"},
}
}
rel = Agents::WebsiteAgent.new(:name => "xkcd", :options => rel_site)
rel.user = users(:bob)
rel.save!
rel.check
event = Event.last
expect(event.payload['url']).to eq("http://xkcd.com/about")
end
it "should return an integer value if XPath evaluates to one" do
rel_site = {
'name' => "XKCD",
'expected_update_period_in_days' => 2,
'type' => "html",
'url' => "http://xkcd.com",
'mode' => "on_change",
'extract' => {
'num_links' => {'css' => "#comicLinks", 'value' => "count(./a)"}
}
}
rel = Agents::WebsiteAgent.new(:name => "xkcd", :options => rel_site)
rel.user = users(:bob)
rel.save!
rel.check
event = Event.last
expect(event.payload['num_links']).to eq("9")
end
it "should return all texts concatenated if XPath returns many text nodes" do
rel_site = {
'name' => "XKCD",
'expected_update_period_in_days' => 2,
'type' => "html",
'url' => "http://xkcd.com",
'mode' => "on_change",
'extract' => {
'slogan' => {'css' => "#slogan", 'value' => ".//text()"}
}
}
rel = Agents::WebsiteAgent.new(:name => "xkcd", :options => rel_site)
rel.user = users(:bob)
rel.save!
rel.check
event = Event.last
expect(event.payload['slogan']).to eq("A webcomic of romance, sarcasm, math, and language.")
end
it "should interpolate _response_" do
@valid_options['extract']['response_info'] =
@valid_options['extract']['url'].merge(
'value' => '"{{ "The reponse was " | append:_response_.status | append:" " | append:_response_.headers.X-Status-Message | append:"." }}"'
)
@checker.options = @valid_options
@checker.check
event = Event.last
expect(event.payload['response_info']).to eq('The reponse was 200 OK.')
end
describe "XML" do
before do
stub_request(:any, /github_rss/).to_return(
body: File.read(Rails.root.join("spec/data_fixtures/github_rss.atom")),
status: 200
)
@checker = Agents::WebsiteAgent.new(name: 'github', options: {
'name' => 'GitHub',
'expected_update_period_in_days' => '2',
'type' => 'xml',
'url' => 'http://example.com/github_rss.atom',
'mode' => 'on_change',
'extract' => {
'title' => { 'xpath' => '/feed/entry', 'value' => 'normalize-space(./title)' },
'url' => { 'xpath' => '/feed/entry', 'value' => './link[1]/@href' },
'thumbnail' => { 'xpath' => '/feed/entry', 'value' => './thumbnail/@url' },
}
}, keep_events_for: 2.days)
@checker.user = users(:bob)
@checker.save!
end
it "works with XPath" do
expect {
@checker.check
}.to change { Event.count }.by(20)
event = Event.last
expect(event.payload['title']).to eq('Shift to dev group')
expect(event.payload['url']).to eq('https://github.com/cantino/huginn/commit/d465158f77dcd9078697e6167b50abbfdfa8b1af')
expect(event.payload['thumbnail']).to eq('https://avatars3.githubusercontent.com/u/365751?s=30')
end
it "works with XPath with namespaces unstripped" do
@checker.options['use_namespaces'] = 'true'
@checker.save!
expect {
@checker.check
}.to change { Event.count }.by(0)
@checker.options['extract'] = {
'title' => { 'xpath' => '/xmlns:feed/xmlns:entry', 'value' => 'normalize-space(./xmlns:title)' },
'url' => { 'xpath' => '/xmlns:feed/xmlns:entry', 'value' => './xmlns:link[1]/@href' },
'thumbnail' => { 'xpath' => '/xmlns:feed/xmlns:entry', 'value' => './media:thumbnail/@url' },
}
@checker.save!
expect {
@checker.check
}.to change { Event.count }.by(20)
event = Event.last
expect(event.payload['title']).to eq('Shift to dev group')
expect(event.payload['url']).to eq('https://github.com/cantino/huginn/commit/d465158f77dcd9078697e6167b50abbfdfa8b1af')
expect(event.payload['thumbnail']).to eq('https://avatars3.githubusercontent.com/u/365751?s=30')
end
it "works with CSS selectors" do
@checker.options['extract'] = {
'title' => { 'css' => 'feed > entry', 'value' => 'normalize-space(./title)' },
'url' => { 'css' => 'feed > entry', 'value' => './link[1]/@href' },
'thumbnail' => { 'css' => 'feed > entry', 'value' => './thumbnail/@url' },
}
@checker.save!
expect {
@checker.check
}.to change { Event.count }.by(20)
event = Event.last
expect(event.payload['title']).to be_empty
expect(event.payload['thumbnail']).to be_empty
@checker.options['extract'] = {
'title' => { 'css' => 'feed > entry', 'value' => 'normalize-space(./xmlns:title)' },
'url' => { 'css' => 'feed > entry', 'value' => './xmlns:link[1]/@href' },
'thumbnail' => { 'css' => 'feed > entry', 'value' => './media:thumbnail/@url' },
}
@checker.save!
expect {
@checker.check
}.to change { Event.count }.by(20)
event = Event.last
expect(event.payload['title']).to eq('Shift to dev group')
expect(event.payload['url']).to eq('https://github.com/cantino/huginn/commit/d465158f77dcd9078697e6167b50abbfdfa8b1af')
expect(event.payload['thumbnail']).to eq('https://avatars3.githubusercontent.com/u/365751?s=30')
end
it "works with CSS selectors with namespaces stripped" do
@checker.options['extract'] = {
'title' => { 'css' => 'feed > entry', 'value' => 'normalize-space(./title)' },
'url' => { 'css' => 'feed > entry', 'value' => './link[1]/@href' },
'thumbnail' => { 'css' => 'feed > entry', 'value' => './thumbnail/@url' },
}
@checker.options['use_namespaces'] = 'false'
@checker.save!
expect {
@checker.check
}.to change { Event.count }.by(20)
event = Event.last
expect(event.payload['title']).to eq('Shift to dev group')
expect(event.payload['url']).to eq('https://github.com/cantino/huginn/commit/d465158f77dcd9078697e6167b50abbfdfa8b1af')
expect(event.payload['thumbnail']).to eq('https://avatars3.githubusercontent.com/u/365751?s=30')
end
end
describe "JSON" do
it "works with paths" do
json = {
'response' => {
'version' => 2,
'title' => "hello!"
}
}
stub_request(:any, /json-site/).to_return(:body => json.to_json, :status => 200)
site = {
'name' => "Some JSON Response",
'expected_update_period_in_days' => "2",
'type' => "json",
'url' => "http://json-site.com",
'mode' => 'on_change',
'extract' => {
'version' => {'path' => "response.version"},
'title' => {'path' => "response.title"}
}
}
checker = Agents::WebsiteAgent.new(:name => "Weather Site", :options => site)
checker.user = users(:bob)
checker.save!
checker.check
event = Event.last
expect(event.payload['version']).to eq(2)
expect(event.payload['title']).to eq("hello!")
end
it "can handle arrays" do
json = {
'response' => {
'data' => [
{'title' => "first", 'version' => 2},
{'title' => "second", 'version' => 2.5}
]
}
}
stub_request(:any, /json-site/).to_return(:body => json.to_json, :status => 200)
site = {
'name' => "Some JSON Response",
'expected_update_period_in_days' => "2",
'type' => "json",
'url' => "http://json-site.com",
'mode' => 'on_change',
'extract' => {
:title => {'path' => "response.data[*].title"},
:version => {'path' => "response.data[*].version"}
}
}
checker = Agents::WebsiteAgent.new(:name => "Weather Site", :options => site)
checker.user = users(:bob)
checker.save!
expect {
checker.check
}.to change { Event.count }.by(2)
(event2, event1) = Event.last(2)
expect(event1.payload['version']).to eq(2.5)
expect(event1.payload['title']).to eq("second")
expect(event2.payload['version']).to eq(2)
expect(event2.payload['title']).to eq("first")
end
it "stores the whole object if :extract is not specified" do
json = {
'response' => {
'version' => 2,
'title' => "hello!"
}
}
stub_request(:any, /json-site/).to_return(:body => json.to_json, :status => 200)
site = {
'name' => "Some JSON Response",
'expected_update_period_in_days' => "2",
'type' => "json",
'url' => "http://json-site.com",
'mode' => 'on_change'
}
checker = Agents::WebsiteAgent.new(:name => "Weather Site", :options => site)
checker.user = users(:bob)
checker.save!
checker.check
event = Event.last
expect(event.payload['response']['version']).to eq(2)
expect(event.payload['response']['title']).to eq("hello!")
end
end
describe "text parsing" do
before do
stub_request(:any, /text-site/).to_return(body: <<-EOF, status: 200)
water: wet
fire: hot
EOF
site = {
'name' => 'Some Text Response',
'expected_update_period_in_days' => '2',
'type' => 'text',
'url' => 'http://text-site.com',
'mode' => 'on_change',
'extract' => {
'word' => { 'regexp' => '^(.+?): (.+)$', index: 1 },
'property' => { 'regexp' => '^(.+?): (.+)$', index: '2' },
}
}
@checker = Agents::WebsiteAgent.new(name: 'Text Site', options: site)
@checker.user = users(:bob)
@checker.save!
end
it "works with regexp with named capture" do
@checker.options = @checker.options.merge('extract' => {
'word' => { 'regexp' => '^(?<word>.+?): (?<property>.+)$', index: 'word' },
'property' => { 'regexp' => '^(?<word>.+?): (?<property>.+)$', index: 'property' },
})
expect {
@checker.check
}.to change { Event.count }.by(2)
event1, event2 = Event.last(2)
expect(event1.payload['word']).to eq('water')
expect(event1.payload['property']).to eq('wet')
expect(event2.payload['word']).to eq('fire')
expect(event2.payload['property']).to eq('hot')
end
it "works with regexp" do
expect {
@checker.check
}.to change { Event.count }.by(2)
event1, event2 = Event.last(2)
expect(event1.payload['word']).to eq('water')
expect(event1.payload['property']).to eq('wet')
expect(event2.payload['word']).to eq('fire')
expect(event2.payload['property']).to eq('hot')
end
end
end
describe "#receive" do
before do
@event = Event.new
@event.agent = agents(:bob_rain_notifier_agent)
@event.payload = {
'url' => 'http://xkcd.com',
'link' => 'Random',
}
end
it "should scrape from the url element in incoming event payload" do
expect {
@checker.options = @valid_options
@checker.receive([@event])
}.to change { Event.count }.by(1)
end
it "should use url_from_event as url to scrape if it exists when receiving an event" do
stub = stub_request(:any, 'http://example.org/?url=http%3A%2F%2Fxkcd.com')
@checker.options = @valid_options.merge(
'url_from_event' => 'http://example.org/?url={{url | uri_escape}}'
)
@checker.receive([@event])
expect(stub).to have_been_requested
end
it "should allow url_from_event to be an array of urls" do
stub1 = stub_request(:any, 'http://example.org/?url=http%3A%2F%2Fxkcd.com')
stub2 = stub_request(:any, 'http://google.org/?url=http%3A%2F%2Fxkcd.com')
@checker.options = @valid_options.merge(
'url_from_event' => ['http://example.org/?url={{url | uri_escape}}', 'http://google.org/?url={{url | uri_escape}}']
)
@checker.receive([@event])
expect(stub1).to have_been_requested
expect(stub2).to have_been_requested
end
it "should interpolate values from incoming event payload" do
expect {
@valid_options['extract'] = {
'from' => {
'xpath' => '*[1]',
'value' => '{{url | to_xpath}}'
},
'to' => {
'xpath' => '(//a[@href and text()={{link | to_xpath}}])[1]',
'value' => '@href'
},
}
@checker.options = @valid_options
@checker.receive([@event])
}.to change { Event.count }.by(1)
expect(Event.last.payload).to eq({
'from' => 'http://xkcd.com',
'to' => 'http://dynamic.xkcd.com/random/comic/',
})
end
it "should interpolate values from incoming event payload and _response_" do
@event.payload['title'] = 'XKCD'
expect {
@valid_options['extract'] = {
'response_info' => @valid_options['extract']['url'].merge(
'value' => '{% capture sentence %}The reponse from {{title}} was {{_response_.status}} {{_response_.headers.X-Status-Message}}.{% endcapture %}{{sentence | to_xpath}}'
)
}
@checker.options = @valid_options
@checker.receive([@event])
}.to change { Event.count }.by(1)
expect(Event.last.payload['response_info']).to eq('The reponse from XKCD was 200 OK.')
end
it "should support merging of events" do
expect {
@checker.options = @valid_options
@checker.options[:mode] = "merge"
@checker.receive([@event])
}.to change { Event.count }.by(1)
last_payload = Event.last.payload
expect(last_payload['link']).to eq('Random')
end
end
end
describe "checking with http basic auth" do
before do
stub_request(:any, /example/).
with(headers: { 'Authorization' => "Basic #{['user:pass'].pack('m').chomp}" }).
to_return(:body => File.read(Rails.root.join("spec/data_fixtures/xkcd.html")), :status => 200)
@valid_options = {
'name' => "XKCD",
'expected_update_period_in_days' => "2",
'type' => "html",
'url' => "http://www.example.com",
'mode' => 'on_change',
'extract' => {
'url' => { 'css' => "#comic img", 'value' => "@src" },
'title' => { 'css' => "#comic img", 'value' => "@alt" },
'hovertext' => { 'css' => "#comic img", 'value' => "@title" }
},
'basic_auth' => "user:pass"
}
@checker = Agents::WebsiteAgent.new(:name => "auth", :options => @valid_options)
@checker.user = users(:bob)
@checker.save!
end
describe "#check" do
it "should check for changes" do
expect { @checker.check }.to change { Event.count }.by(1)
expect { @checker.check }.not_to change { Event.count }
end
end
end
describe "checking with headers" do
before do
stub_request(:any, /example/).
with(headers: { 'foo' => 'bar' }).
to_return(:body => File.read(Rails.root.join("spec/data_fixtures/xkcd.html")), :status => 200)
@valid_options = {
'name' => "XKCD",
'expected_update_period_in_days' => "2",
'type' => "html",
'url' => "http://www.example.com",
'mode' => 'on_change',
'headers' => { 'foo' => 'bar' },
'extract' => {
'url' => { 'css' => "#comic img", 'value' => "@src" },
}
}
@checker = Agents::WebsiteAgent.new(:name => "ua", :options => @valid_options)
@checker.user = users(:bob)
@checker.save!
end
describe "#check" do
it "should check for changes" do
expect { @checker.check }.to change { Event.count }.by(1)
end
end
end
end
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