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Liquid output agent (#1587)

* Start with a stripped copy of the data output agent.

* Run the data from the last event through a liquid template.

* Flatten the secret logic to allow for an easier switch to FormConfigurable.

* Switch to form configurable, and allow the content of the page to be configured.

* Allow the mime type to be changed.

* Cleanup.

* Write how this template works.

* Better default values.

* Cleanup.

* Refactor.

* Start testing.

* Test the validation.

* Test receive.

* Test the happy path through the receive web events.

* Test the authentication.

* This is actually a match.

* Refactor.

* Refactor.

* Refactor for better testing.

* Create a mode that lets the logic change. Start with a merge behavior.

* Refactor.

* Create a form configurable setting to change the mode.

* Document how the modes work.

* Wording change.

* Go with a singular secret.

* Fix typo.

* Fix the tests.

* Test cleanup.

* If not one of two types that receive events, ignore all received events.

* Set up these tests for the next set of changes.

* Isolate the method that gets the data for the liquid template.

* Look up past events to render through the liquid template.

* Implement a limit of 2 events.

* Extract a method.

* Hook the limit to options.

* Implement a limit of X events.

* Implement a date limit.

* Refactor the count limit.

* Limit by date with sql, not in-memory objects.

* This ordering is already built into the scope.

* Refactor the dates a bit.

* Put in a few checks around the date limits.

* Add the last X event options to the form and the documentation.

* Missed one bit of documentation.

* Add a view for a liquid output agent that makes it easy to retrieve the generated URL.

* This agent cannot accept events.

* Hardcode the possibilities instead of inspecting the integer.

* Do not be case sensitive on the date filter.

* Hardcode a limit of 5000, just in case no limit was provided.

* Better checks around the time period parsing.

* Test the hardcodes, and rename for consistency.

* Nevermind on that rename.

* Do not be case sensitive on this mode.

* Test that it works even when the casing on the mode is wrong.

* Here is more descriptive default content.

* Text change.

* The if is no longer necessary.

* Refactor.

* Move the limit down to 1000.

* Put a hard limit of 1000.

* Note the new event limit... limit.

* Validate for a valid event limit.

* Do not throw an error if someone types in a non-integer into this field.

* Text update.

* Typo.

* Add a link to the Liquid Templating engine.

Darren Cauthon 8 年之前
父节点
cc72f79e0b
当前提交
9d584b6ba4
共有 3 个文件被更改，包括 690 次插入 和 0 次删除
显示文件统计
  1. 214 0
      app/models/agents/liquid_output_agent.rb
  2. 15 0
      app/views/agents/agent_views/liquid_output_agent/_show.html.erb
  3. 461 0
      spec/models/agents/liquid_output_agent_spec.rb

+ 214 - 0
app/models/agents/liquid_output_agent.rb
查看文件 

@@ -0,0 +1,214 @@
1 
+module Agents
2 
+  class LiquidOutputAgent < Agent
3 
+    include WebRequestConcern
4 
+    include FormConfigurable
5 
+
6 
+    cannot_be_scheduled!
7 
+    cannot_create_events!
8 
+
9 
+    DATE_UNITS = %w[second seconds minute minutes hour hours day days week weeks month months year years]
10 
+
11 
+    description  do
12 
+      <<-MD
13 
+        The Liquid Output Agent outputs events through a Liquid template you provide.  Use it to create a HTML page, or a json feed, or anything else that can be rendered as a string from your stream of Huginn data.
14 
+
15 
+        This Agent will output data at:
16 
+
17 
+        `https://#{ENV['DOMAIN']}#{Rails.application.routes.url_helpers.web_requests_path(agent_id: ':id', user_id: user_id, secret: ':secret', format: :any_extension)}`
18 
+
19 
+        where `:secret` is the secret specified in your options.  You can use any extension you wish.
20 
+
21 
+        Options:
22 
+
23 
+          * `secret` - A token that the requestor must provide for light-weight authentication.
24 
+          * `expected_receive_period_in_days` - How often you expect data to be received by this Agent from other Agents.
25 
+          * `content` - The content to display when someone requests this page.
26 
+          * `mime_type` - The mime type to use when someone requests this page.
27 
+          * `mode` - The behavior that determines what data is passed to the Liquid template.
28 
+          * `event_limit` - A limit applied to the events passed to a template when in "Last X events" mode. Can be a count like "1", or an amount of time like "1 day" or "5 minutes".
29 
+
30 
+        # Liquid Templating
31 
+
32 
+        The content you provide will be run as a Liquid template. The data from the last event received will be used when processing the Liquid template.
33 
+
34 
+        To learn more about Liquid templates, go here: [http://liquidmarkup.org](http://liquidmarkup.org "Liquid Templating")
35 
+
36 
+        # Modes
37 
+
38 
+        ### Merge events
39 
+
40 
+          The data for incoming events will be merged. So if two events come in like this:
41 
+
42 
+```
43 
+{ 'a' => 'b',  'c' => 'd'}
44 
+{ 'a' => 'bb', 'e' => 'f'}
45 
+```
46 
+
47 
+          The final result will be:
48 
+
49 
+```
50 
+{ 'a' => 'bb', 'c' => 'd', 'e' => 'f'}
51 
+```
52 
+
53 
+        This merged version will be passed to the Liquid template.
54 
+
55 
+        ### Last event in
56 
+
57 
+          The data from the last event will be passed to the template.
58 
+
59 
+        ### Last X events
60 
+
61 
+          All of the events received by this agent will be passed to the template
62 
+          as the ```events``` array.
63 
+
64 
+          The number of events can be controlled via the ```event_limit``` option.
65 
+          If ```event_limit``` is an integer X, the last X events will be passed
66 
+          to the template.  If ```event_limit``` is an integer with a unit of
67 
+          measure like "1 day" or "5 minutes" or "9 years", a date filter will
68 
+          be applied to the events passed to the template.  If no ```event_limit```
69 
+          is provided, then all of the events for the agent will be passed to
70 
+          the template.
71 
+
72 
+          For performance, the maximum ```event_limit``` allowed is 1000.
73 
+
74 
+      MD
75 
+    end
76 
+
77 
+    def default_options
78 
+      content = <<EOF
79 
+When you use the "Last event in" or "Merge events" option, you can use variables from the last event received, like this:
80 
+
81 
+Name: {{name}}
82 
+Url:  {{url}}
83 
+
84 
+If you use the "Last X Events" mode, a set of events will be passed to your Liquid template.  You can use them like this:
85 
+
86 
+<table class="table">
87 
+  {% for event in events %}
88 
+    <tr>
89 
+      <td>{{ event.title }}</td>
90 
+      <td><a href="{{ event.url }}">Click here to see</a></td>
91 
+    </tr>
92 
+  {% endfor %}
93 
+</table>
94 
+EOF
95 
+      {
96 
+        "secret" => "a-secret-key",
97 
+        "expected_receive_period_in_days" => 2,
98 
+        "mime_type" => 'text/html',
99 
+        "mode" => 'Last event in',
100 
+        "event_limit" => '',
101 
+        "content" => content,
102 
+      }
103 
+    end
104 
+
105 
+    form_configurable :secret
106 
+    form_configurable :expected_receive_period_in_days
107 
+    form_configurable :content, type: :text
108 
+    form_configurable :mime_type
109 
+    form_configurable :mode, type: :array, values: [ 'Last event in', 'Merge events', 'Last X events']
110 
+    form_configurable :event_limit
111 
+
112 
+    def working?
113 
+      last_receive_at && last_receive_at > options['expected_receive_period_in_days'].to_i.days.ago && !recent_error_logs?
114 
+    end
115 
+
116 
+    def validate_options
117 
+      if options['secret'].present?
118 
+        case options['secret']
119 
+        when %r{[/.]}
120 
+          errors.add(:base, "secret may not contain a slash or dot")
121 
+        when String
122 
+        else
123 
+          errors.add(:base, "secret must be a string")
124 
+        end
125 
+      else
126 
+        errors.add(:base, "Please specify one secret for 'authenticating' incoming feed requests")
127 
+      end
128 
+
129 
+      unless options['expected_receive_period_in_days'].present? && options['expected_receive_period_in_days'].to_i > 0
130 
+        errors.add(:base, "Please provide 'expected_receive_period_in_days' to indicate how many days can pass before this Agent is considered to be not working")
131 
+      end
132 
+
133 
+      if options['event_limit'].present?
134 
+        if((Integer(options['event_limit']) rescue false) == false)
135 
+          errors.add(:base, "Event limit must be an integer that is less than 1001.")
136 
+        elsif (options['event_limit'].to_i > 1000)
137 
+          errors.add(:base, "For performance reasons, you cannot have an event limit greater than 1000.")
138 
+        end
139 
+      else
140 
+      end
141 
+    end
142 
+
143 
+    def receive(incoming_events)
144 
+      return unless ['merge events', 'last event in'].include?(mode)
145 
+      memory['last_event'] ||= {}
146 
+      incoming_events.each do |event|
147 
+        case mode
148 
+        when 'merge events'
149 
+          memory['last_event'] = memory['last_event'].merge(event.payload)
150 
+        else
151 
+          memory['last_event'] = event.payload
152 
+        end
153 
+      end
154 
+    end
155 
+
156 
+    def receive_web_request(params, method, format)
157 
+      valid_authentication?(params) ? [liquified_content, 200, mime_type]
158 
+                                    : [unauthorized_content(format), 401]
159 
+    end
160 
+
161 
+    private
162 
+
163 
+    def mode
164 
+      options['mode'].to_s.downcase
165 
+    end
166 
+
167 
+    def unauthorized_content(format)
168 
+      format =~ /json/ ? { error: "Not Authorized" }
169 
+                       : "Not Authorized"
170 
+    end
171 
+
172 
+    def valid_authentication?(params)
173 
+      interpolated['secret'] == params['secret']
174 
+    end
175 
+
176 
+    def mime_type
177 
+      options['mime_type'].presence || 'text/html'
178 
+    end
179 
+
180 
+    def liquified_content
181 
+      template = Liquid::Template.parse(options['content'] || "")
182 
+      template.render(data_for_liquid_template)
183 
+    end
184 
+
185 
+    def data_for_liquid_template
186 
+      case mode
187 
+      when 'last x events'
188 
+        events = received_events
189 
+        events = events.where('events.created_at > ?', date_limit) if date_limit
190 
+        events = events.limit count_limit
191 
+        events = events.to_a.map { |x| x.payload }
192 
+        { 'events' => events }
193 
+      else
194 
+        memory['last_event'] || {}
195 
+      end
196 
+    end
197 
+
198 
+    def count_limit
199 
+      limit = Integer(options['event_limit']) rescue 1000
200 
+      limit <= 1000 ? limit : 1000
201 
+    end
202 
+
203 
+    def date_limit
204 
+      return nil unless options['event_limit'].to_s.include?(' ')
205 
+      value, unit = options['event_limit'].split(' ')
206 
+      value = Integer(value) rescue nil
207 
+      return nil unless value
208 
+      unit = unit.to_s.downcase
209 
+      return nil unless DATE_UNITS.include?(unit)
210 
+      value.send(unit.to_sym).ago
211 
+    end
212 
+
213 
+  end
214 
+end

+ 15 - 0
app/views/agents/agent_views/liquid_output_agent/_show.html.erb
查看文件 

@@ -0,0 +1,15 @@
1 
+<p>
2 
+  Data for this Agent is available at these URLs:
3 
+</p>
4 
+
5 
+
6 
+<ul>
7 
+  <% url = lambda { |format| web_requests_url(:agent_id => @agent.id, :user_id => current_user.id, :secret => @agent.options['secret'], :format => format) } %>
8 
+  <li><%= link_to url.call(:html), url.call(:html), :target => :blank %></li>
9 
+  <li><%= link_to url.call(:json), url.call(:json), :target => :blank %></li>
10 
+  <li><%= link_to url.call(:xml), url.call(:xml), :target => :blank %></li>
11 
+</ul>
12 
+
13 
+<p>
14 
+  ... or any other extension you wish, as the extension does not change the content or mime type.
15 
+</p>

+ 461 - 0
spec/models/agents/liquid_output_agent_spec.rb
查看文件 

@@ -0,0 +1,461 @@
1 
+# encoding: utf-8
2 
+
3 
+require 'rails_helper'
4 
+
5 
+describe Agents::LiquidOutputAgent do
6 
+  let(:agent) do
7 
+    _agent = Agents::LiquidOutputAgent.new(:name => 'My Data Output Agent')
8 
+    _agent.options = _agent.default_options.merge('secret' => 'secret1', 'events_to_show' => 3)
9 
+    _agent.options['secret'] = "a secret"
10 
+    _agent.user = users(:bob)
11 
+    _agent.sources << agents(:bob_website_agent)
12 
+    _agent.save!
13 
+    _agent
14 
+  end
15 
+
16 
+  describe "#working?" do
17 
+    it "checks if events have been received within expected receive period" do
18 
+      expect(agent).not_to be_working
19 
+      Agents::LiquidOutputAgent.async_receive agent.id, [events(:bob_website_agent_event).id]
20 
+      expect(agent.reload).to be_working
21 
+      two_days_from_now = 2.days.from_now
22 
+      stub(Time).now { two_days_from_now }
23 
+      expect(agent.reload).not_to be_working
24 
+    end
25 
+  end
26 
+
27 
+  describe "validation" do
28 
+    before do
29 
+      expect(agent).to be_valid
30 
+    end
31 
+
32 
+    it "should validate presence and length of secret" do
33 
+      agent.options[:secret] = ""
34 
+      expect(agent).not_to be_valid
35 
+      agent.options[:secret] = "foo"
36 
+      expect(agent).to be_valid
37 
+      agent.options[:secret] = "foo/bar"
38 
+      expect(agent).not_to be_valid
39 
+      agent.options[:secret] = "foo.xml"
40 
+      expect(agent).not_to be_valid
41 
+      agent.options[:secret] = false
42 
+      expect(agent).not_to be_valid
43 
+      agent.options[:secret] = []
44 
+      expect(agent).not_to be_valid
45 
+      agent.options[:secret] = ["foo.xml"]
46 
+      expect(agent).not_to be_valid
47 
+      agent.options[:secret] = ["hello", true]
48 
+      expect(agent).not_to be_valid
49 
+      agent.options[:secret] = ["hello"]
50 
+      expect(agent).not_to be_valid
51 
+      agent.options[:secret] = ["hello", "world"]
52 
+      expect(agent).not_to be_valid
53 
+    end
54 
+
55 
+    it "should validate presence of expected_receive_period_in_days" do
56 
+      agent.options[:expected_receive_period_in_days] = ""
57 
+      expect(agent).not_to be_valid
58 
+      agent.options[:expected_receive_period_in_days] = 0
59 
+      expect(agent).not_to be_valid
60 
+      agent.options[:expected_receive_period_in_days] = -1
61 
+      expect(agent).not_to be_valid
62 
+    end
63 
+
64 
+    it "should validate the event_limit" do
65 
+      agent.options[:event_limit] = ""
66 
+      expect(agent).to be_valid
67 
+      agent.options[:event_limit] = "1"
68 
+      expect(agent).to be_valid
69 
+      agent.options[:event_limit] = "1001"
70 
+      expect(agent).not_to be_valid
71 
+      agent.options[:event_limit] = "10000"
72 
+      expect(agent).not_to be_valid
73 
+    end
74 
+
75 
+    it "should should not allow non-integer event limits" do
76 
+      agent.options[:event_limit] = "abc1234"
77 
+      expect(agent).not_to be_valid
78 
+    end
79 
+  end
80 
+
81 
+  describe "#receive?" do
82 
+
83 
+    let(:key)   { SecureRandom.uuid }
84 
+    let(:value) { SecureRandom.uuid }
85 
+
86 
+    let(:incoming_events) do
87 
+      last_payload = { key => value }
88 
+      [Struct.new(:payload).new( { key => SecureRandom.uuid } ),
89 
+       Struct.new(:payload).new( { key => SecureRandom.uuid } ),
90 
+       Struct.new(:payload).new(last_payload)]
91 
+    end
92 
+
93 
+    describe "and the mode is last event in" do
94 
+
95 
+      before { agent.options['mode'] = 'Last event in' }
96 
+
97 
+      it "stores the last event in memory" do
98 
+        agent.receive incoming_events
99 
+        expect(agent.memory['last_event'][key]).to equal(value)
100 
+      end
101 
+
102 
+      describe "but the casing is wrong" do
103 
+        before { agent.options['mode'] = 'LAST EVENT IN' }
104 
+
105 
+        it "stores the last event in memory" do
106 
+          agent.receive incoming_events
107 
+          expect(agent.memory['last_event'][key]).to equal(value)
108 
+        end
109 
+      end
110 
+
111 
+    end
112 
+
113 
+    describe "but the mode is merge" do
114 
+
115 
+      let(:second_key)   { SecureRandom.uuid }
116 
+      let(:second_value) { SecureRandom.uuid }
117 
+
118 
+      before { agent.options['mode'] = 'Merge events' }
119 
+
120 
+      let(:incoming_events) do
121 
+        last_payload = { key => value }
122 
+        [Struct.new(:payload).new( { key => SecureRandom.uuid, second_key => second_value } ),
123 
+         Struct.new(:payload).new(last_payload)]
124 
+      end
125 
+
126 
+      it "should merge all of the events passed to it" do
127 
+        agent.receive incoming_events
128 
+        expect(agent.memory['last_event'][key]).to equal(value)
129 
+        expect(agent.memory['last_event'][second_key]).to equal(second_value)
130 
+      end
131 
+
132 
+      describe "but the casing on the mode is wrong" do
133 
+
134 
+        before { agent.options['mode'] = 'MERGE EVENTS' }
135 
+
136 
+        it "should merge all of the events passed to it" do
137 
+          agent.receive incoming_events
138 
+          expect(agent.memory['last_event'][key]).to equal(value)
139 
+          expect(agent.memory['last_event'][second_key]).to equal(second_value)
140 
+        end
141 
+
142 
+      end
143 
+
144 
+    end
145 
+
146 
+    describe "but the mode is anything else" do
147 
+
148 
+      before { agent.options['mode'] = SecureRandom.uuid }
149 
+
150 
+      let(:incoming_events) do
151 
+        last_payload = { key => value }
152 
+        [Struct.new(:payload).new(last_payload)]
153 
+      end
154 
+
155 
+      it "should do nothing" do
156 
+        agent.receive incoming_events
157 
+        expect(agent.memory.keys.count).to equal(0)
158 
+      end
159 
+
160 
+    end
161 
+
162 
+  end
163 
+
164 
+  describe "#count_limit" do
165 
+    it "should have a default of 1000" do
166 
+      agent.options['event_limit'] = nil
167 
+      expect(agent.send(:count_limit)).to eq(1000)
168 
+
169 
+      agent.options['event_limit'] = ''
170 
+      expect(agent.send(:count_limit)).to eq(1000)
171 
+
172 
+      agent.options['event_limit'] = '  '
173 
+      expect(agent.send(:count_limit)).to eq(1000)
174 
+    end
175 
+
176 
+    it "should convert string count limits to integers" do
177 
+      agent.options['event_limit'] = '1'
178 
+      expect(agent.send(:count_limit)).to eq(1)
179 
+
180 
+      agent.options['event_limit'] = '2'
181 
+      expect(agent.send(:count_limit)).to eq(2)
182 
+
183 
+      agent.options['event_limit'] = 3
184 
+      expect(agent.send(:count_limit)).to eq(3)
185 
+    end
186 
+
187 
+    it "should default to 1000 with invalid values" do
188 
+      agent.options['event_limit'] = SecureRandom.uuid
189 
+      expect(agent.send(:count_limit)).to eq(1000)
190 
+
191 
+      agent.options['event_limit'] = 'John Galt'
192 
+      expect(agent.send(:count_limit)).to eq(1000)
193 
+    end
194 
+
195 
+    it "should not allow event limits above 1000" do
196 
+      agent.options['event_limit'] = '1001'
197 
+      expect(agent.send(:count_limit)).to eq(1000)
198 
+
199 
+      agent.options['event_limit'] = '5000'
200 
+      expect(agent.send(:count_limit)).to eq(1000)
201 
+    end
202 
+  end
203 
+
204 
+  describe "#receive_web_request?" do
205 
+
206 
+    let(:secret) { SecureRandom.uuid }
207 
+
208 
+    let(:params) { { 'secret' => secret } }
209 
+
210 
+    let(:method) { nil }
211 
+    let(:format) { nil }
212 
+
213 
+    let(:mime_type) { SecureRandom.uuid }
214 
+    let(:content) { "The key is {{#{key}}}." }
215 
+
216 
+    let(:key)   { SecureRandom.uuid }
217 
+    let(:value) { SecureRandom.uuid }
218 
+
219 
+    before do
220 
+      agent.options['secret'] = secret
221 
+      agent.options['mime_type'] = mime_type
222 
+      agent.options['content'] = content
223 
+      agent.memory['last_event'] = { key => value }
224 
+      agents(:bob_website_agent).events.destroy_all
225 
+    end
226 
+
227 
+    describe "and the mode is last event in" do
228 
+
229 
+      before { agent.options['mode'] = 'Last event in' }
230 
+
231 
+      it "should render the results as a liquid template from the last event in" do
232 
+        result = agent.receive_web_request params, method, format
233 
+
234 
+        expect(result[0]).to eq("The key is #{value}.")
235 
+        expect(result[1]).to eq(200)
236 
+        expect(result[2]).to eq(mime_type)
237 
+      end
238 
+
239 
+      describe "but the casing is wrong" do
240 
+        before { agent.options['mode'] = 'last event in' }
241 
+
242 
+        it "should render the results as a liquid template from the last event in" do
243 
+          result = agent.receive_web_request params, method, format
244 
+
245 
+          expect(result[0]).to eq("The key is #{value}.")
246 
+          expect(result[1]).to eq(200)
247 
+          expect(result[2]).to eq(mime_type)
248 
+        end
249 
+      end
250 
+
251 
+    end
252 
+
253 
+    describe "and the mode is merge events" do
254 
+
255 
+      before { agent.options['mode'] = 'Merge events' }
256 
+
257 
+      it "should render the results as a liquid template from the last event in" do
258 
+        result = agent.receive_web_request params, method, format
259 
+
260 
+        expect(result[0]).to eq("The key is #{value}.")
261 
+        expect(result[1]).to eq(200)
262 
+        expect(result[2]).to eq(mime_type)
263 
+      end
264 
+
265 
+    end
266 
+
267 
+    describe "and the mode is last X events" do
268 
+
269 
+      before do
270 
+        agent.options['mode'] = 'Last X events'
271 
+
272 
+        agents(:bob_website_agent).create_event payload: {
273 
+          "name" => "Dagny Taggart",
274 
+          "book" => "Atlas Shrugged"
275 
+        }
276 
+        agents(:bob_website_agent).create_event payload: {
277 
+          "name" => "John Galt",
278 
+          "book" => "Atlas Shrugged"
279 
+        }
280 
+        agents(:bob_website_agent).create_event payload: {
281 
+          "name" => "Howard Roark",
282 
+          "book" => "The Fountainhead"
283 
+        }
284 
+
285 
+        agent.options['content'] = <<EOF
286 
+<table>
287 
+  {% for event in events %}
288 
+    <tr>
289 
+      <td>{{ event.name }}</td>
290 
+      <td>{{ event.book }}</td>
291 
+    </tr>
292 
+  {% endfor %}
293 
+</table>
294 
+EOF
295 
+      end
296 
+
297 
+      it "should render the results as a liquid template from the last event in, limiting to 2" do
298 
+        agent.options['event_limit'] = 2
299 
+        result = agent.receive_web_request params, method, format
300 
+
301 
+        expect(result[0]).to eq <<EOF
302 
+<table>
303 
+
304 
+    <tr>
305 
+      <td>Howard Roark</td>
306 
+      <td>The Fountainhead</td>
307 
+    </tr>
308 
+
309 
+    <tr>
310 
+      <td>John Galt</td>
311 
+      <td>Atlas Shrugged</td>
312 
+    </tr>
313 
+
314 
+</table>
315 
+EOF
316 
+      end
317 
+
318 
+      it "should render the results as a liquid template from the last event in, limiting to 1" do
319 
+        agent.options['event_limit'] = 1
320 
+        result = agent.receive_web_request params, method, format
321 
+
322 
+        expect(result[0]).to eq <<EOF
323 
+<table>
324 
+
325 
+    <tr>
326 
+      <td>Howard Roark</td>
327 
+      <td>The Fountainhead</td>
328 
+    </tr>
329 
+
330 
+</table>
331 
+EOF
332 
+      end
333 
+
334 
+      it "should render the results as a liquid template from the last event in, allowing no limit" do
335 
+        agent.options['event_limit'] = ''
336 
+        result = agent.receive_web_request params, method, format
337 
+
338 
+        expect(result[0]).to eq <<EOF
339 
+<table>
340 
+
341 
+    <tr>
342 
+      <td>Howard Roark</td>
343 
+      <td>The Fountainhead</td>
344 
+    </tr>
345 
+
346 
+    <tr>
347 
+      <td>John Galt</td>
348 
+      <td>Atlas Shrugged</td>
349 
+    </tr>
350 
+
351 
+    <tr>
352 
+      <td>Dagny Taggart</td>
353 
+      <td>Atlas Shrugged</td>
354 
+    </tr>
355 
+
356 
+</table>
357 
+EOF
358 
+      end
359 
+
360 
+      it "should allow the limiting by time, as well" do
361 
+
362 
+        one_event = agent.received_events.select { |x| x.payload['name'] == 'John Galt' }.first
363 
+        one_event.created_at = 2.days.ago
364 
+        one_event.save!
365 
+
366 
+        agent.options['event_limit'] = '1 day'
367 
+        result = agent.receive_web_request params, method, format
368 
+
369 
+        expect(result[0]).to eq <<EOF
370 
+<table>
371 
+
372 
+    <tr>
373 
+      <td>Howard Roark</td>
374 
+      <td>The Fountainhead</td>
375 
+    </tr>
376 
+
377 
+    <tr>
378 
+      <td>Dagny Taggart</td>
379 
+      <td>Atlas Shrugged</td>
380 
+    </tr>
381 
+
382 
+</table>
383 
+EOF
384 
+      end
385 
+
386 
+      it "should not be case sensitive when limiting on time" do
387 
+
388 
+        one_event = agent.received_events.select { |x| x.payload['name'] == 'John Galt' }.first
389 
+        one_event.created_at = 2.days.ago
390 
+        one_event.save!
391 
+
392 
+        agent.options['event_limit'] = '1 DaY'
393 
+        result = agent.receive_web_request params, method, format
394 
+
395 
+        expect(result[0]).to eq <<EOF
396 
+<table>
397 
+
398 
+    <tr>
399 
+      <td>Howard Roark</td>
400 
+      <td>The Fountainhead</td>
401 
+    </tr>
402 
+
403 
+    <tr>
404 
+      <td>Dagny Taggart</td>
405 
+      <td>Atlas Shrugged</td>
406 
+    </tr>
407 
+
408 
+</table>
409 
+EOF
410 
+      end
411 
+
412 
+      it "it should continue to work when the event limit is wrong" do
413 
+        agent.options['event_limit'] = 'five days'
414 
+        result = agent.receive_web_request params, method, format
415 
+
416 
+        expect(result[0].include?("Howard Roark")).to eq(true)
417 
+        expect(result[0].include?("Dagny Taggart")).to eq(true)
418 
+        expect(result[0].include?("John Galt")).to eq(true)
419 
+
420 
+        agent.options['event_limit'] = '5 quibblequarks'
421 
+        result = agent.receive_web_request params, method, format
422 
+
423 
+        expect(result[0].include?("Howard Roark")).to eq(true)
424 
+        expect(result[0].include?("Dagny Taggart")).to eq(true)
425 
+        expect(result[0].include?("John Galt")).to eq(true)
426 
+      end
427 
+
428 
+      describe "but the mode was set to last X events with the wrong casing" do
429 
+
430 
+        before { agent.options['mode'] = 'LAST X EVENTS' }
431 
+
432 
+        it "should still work as last x events" do
433 
+          result = agent.receive_web_request params, method, format
434 
+          expect(result[0].include?("Howard Roark")).to eq(true)
435 
+          expect(result[0].include?("Dagny Taggart")).to eq(true)
436 
+          expect(result[0].include?("John Galt")).to eq(true)
437 
+        end
438 
+
439 
+      end
440 
+
441 
+    end
442 
+
443 
+    describe "but the secret provided does not match" do
444 
+      before { params['secret'] = SecureRandom.uuid }
445 
+
446 
+      it "should return a 401 response" do
447 
+        result = agent.receive_web_request params, method, format
448 
+
449 
+        expect(result[0]).to eq("Not Authorized")
450 
+        expect(result[1]).to eq(401)
451 
+      end
452 
+
453 
+      it "should return a 401 json response if the format is json" do
454 
+        result = agent.receive_web_request params, method, 'json'
455 
+
456 
+        expect(result[0][:error]).to eq("Not Authorized")
457 
+        expect(result[1]).to eq(401)
458 
+      end
459 
+    end
460 
+  end
461 
+end