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allow the TriggerAgent to perform partial matches

Andrew Cantino 10 ans auparavant
Parent
9c5847451b
Commettre
f0124f9507
2 fichiers modifiés avec 94 ajouts et 18 suppressions
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  1. 23 4
      app/models/agents/trigger_agent.rb
  2. 71 14
      spec/models/agents/trigger_agent_spec.rb

+ 23 - 4
app/models/agents/trigger_agent.rb
Voir le fichier 

@@ -13,7 +13,10 @@ module Agents
13 13
14 14 
       The `value` can be a single value or an array of values. In the case of an array, if one or more values match then the rule matches.
15 15
16 
-      All rules must match for the Agent to match.  The resulting Event will have a payload message of `message`.  You can use liquid templating in the `message, have a look at the [Wiki](https://github.com/cantino/huginn/wiki/Formatting-Events-using-Liquid) for details.
16 
+      By default, all rules must match for the Agent to trigger. You can switch this so that only one rule must match by
17 
+      setting `must_match` to `1`.
18 
+
19 
+      The resulting Event will have a payload message of `message`.  You can use liquid templating in the `message, have a look at the [Wiki](https://github.com/cantino/huginn/wiki/Formatting-Events-using-Liquid) for details.
17 20
18 21 
       Set `keep_event` to `true` if you'd like to re-emit the incoming event, optionally merged with 'message' when provided.
19 22 
 
@@ -35,6 +38,14 @@ module Agents
35 38 
       errors.add(:base, "message is required unless 'keep_event' is 'true'") unless options['message'].present? || keep_event?
36 39
37 40 
       errors.add(:base, "keep_event, when present, must be 'true' or 'false'") unless options['keep_event'].blank? || %w[true false].include?(options['keep_event'])
41 
+
42 
+      if options['must_match'].present?
43 
+        if options['must_match'].to_i < 1
44 
+          errors.add(:base, "If used, the 'must_match' option must be a positive integer")
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+        elsif options['must_match'].to_i > options['rules'].length
46 
+          errors.add(:base, "If used, the 'must_match' option must be equal to or less than the number of rules")
47 
+        end
48 
+      end
38 49 
     end
39 50
40 51 
     def default_options
 
@@ -59,12 +70,12 @@ module Agents
59 70
60 71 
         opts = interpolated(event)
61 72
62 
-        match = opts['rules'].all? do |rule|
73 
+        match_results = opts['rules'].map do |rule|
63 74 
           value_at_path = Utils.value_at(event['payload'], rule['path'])
64 75 
           rule_values = rule['value']
65 76 
           rule_values = [rule_values] unless rule_values.is_a?(Array)
66 77
67 
-          match_found = rule_values.any? do |rule_value|
78 
+          rule_values.any? do |rule_value|
68 79 
             case rule['type']
69 80 
             when "regex"
70 81 
               value_at_path.to_s =~ Regexp.new(rule_value, Regexp::IGNORECASE)
 
@@ -88,7 +99,7 @@ module Agents
88 99 
           end
89 100 
         end
90 101
91 
-        if match
102 
+        if matches?(match_results)
92 103 
           if keep_event?
93 104 
             payload = event.payload.dup
94 105 
             payload['message'] = opts['message'] if opts['message'].present?
 
@@ -101,6 +112,14 @@ module Agents
101 112 
       end
102 113 
     end
103 114
115 
+    def matches?(matches)
116 
+      if options['must_match'].present?
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+        matches.select { |match| match }.length >= options['must_match'].to_i
118 
+      else
119 
+        matches.all?
120 
+      end
121 
+    end
122 
+
104 123 
     def keep_event?
105 124 
       boolify(interpolated['keep_event'])
106 125 
     end

+ 71 - 14
spec/models/agents/trigger_agent_spec.rb
Voir le fichier 

@@ -58,6 +58,27 @@ describe Agents::TriggerAgent do
58 58 
       expect(@checker).not_to be_valid
59 59 
     end
60 60
61 
+    it "validates that 'must_match' is a positive integer, not greater than the number of rules, if provided" do
62 
+      @checker.options['must_match'] = '1'
63 
+      expect(@checker).to be_valid
64 
+
65 
+      @checker.options['must_match'] = '0'
66 
+      expect(@checker).not_to be_valid
67 
+
68 
+      @checker.options['must_match'] = 'wrong'
69 
+      expect(@checker).not_to be_valid
70 
+
71 
+      @checker.options['must_match'] = ''
72 
+      expect(@checker).to be_valid
73 
+
74 
+      @checker.options.delete('must_match')
75 
+      expect(@checker).to be_valid
76 
+
77 
+      @checker.options['must_match'] = '2'
78 
+      expect(@checker).not_to be_valid
79 
+      expect(@checker.errors[:base].first).to match(/equal to or less than the number of rules/)
80 
+    end
81 
+
61 82 
     it "should validate the three fields in each rule" do
62 83 
       @checker.options['rules'] << { 'path' => "foo", 'type' => "fake", 'value' => "6" }
63 84 
       expect(@checker).not_to be_valid
 
@@ -283,23 +304,59 @@ describe Agents::TriggerAgent do
283 304 
       }.to change { Event.count }.by(2)
284 305 
     end
285 306
286 
-    it "handles ANDing rules together" do
287 
-      @checker.options['rules'] << {
288 
-        'type' => "field>=value",
289 
-        'value' => "4",
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-        'path' => "foo.bing"
291 
-      }
307 
+    describe "with multiple rules" do
308 
+      before do
309 
+        @checker.options['rules'] << {
310 
+          'type' => "field>=value",
311 
+          'value' => "4",
312 
+          'path' => "foo.bing"
313 
+        }
314 
+      end
292 315
293 
-      @event.payload['foo']["bing"] = "5"
316 
+      it "handles ANDing rules together" do
317 
+        @event.payload['foo']["bing"] = "5"
294 318
295 
-      expect {
296 
-        @checker.receive([@event])
297 
-      }.to change { Event.count }.by(1)
319 
+        expect {
320 
+          @checker.receive([@event])
321 
+        }.to change { Event.count }.by(1)
298 322
299 
-      @checker.options['rules'].last['value'] = 6
300 
-      expect {
301 
-        @checker.receive([@event])
302 
-      }.not_to change { Event.count }
323 
+        @event.payload['foo']["bing"] = "2"
324 
+
325 
+        expect {
326 
+          @checker.receive([@event])
327 
+        }.not_to change { Event.count }
328 
+      end
329 
+
330 
+      it "can accept a partial rule set match when 'must_match' is present and less than the total number of rules" do
331 
+        @checker.options['must_match'] = "1"
332 
+
333 
+        @event.payload['foo']["bing"] = "5" # 5 > 4
334 
+
335 
+        expect {
336 
+          @checker.receive([@event])
337 
+        }.to change { Event.count }.by(1)
338 
+
339 
+        @event.payload['foo']["bing"] = "2" # 2 !> 4
340 
+
341 
+        expect {
342 
+          @checker.receive([@event])
343 
+        }.to change { Event.count }         # but the first one matches
344 
+
345 
+
346 
+        @checker.options['must_match'] = "2"
347 
+
348 
+        @event.payload['foo']["bing"] = "5" # 5 > 4
349 
+
350 
+        expect {
351 
+          @checker.receive([@event])
352 
+        }.to change { Event.count }.by(1)
353 
+
354 
+        @event.payload['foo']["bing"] = "2" # 2 !> 4
355 
+
356 
+        expect {
357 
+          @checker.receive([@event])
358 
+        }.not_to change { Event.count }     # only 1 matches, we needed 2
359 
+      end
303 360 
     end
304 361
305 362 
     describe "when 'keep_event' is true" do